Lennox Technical Publications

2022 NORTH AMERICAN MERIT PRODUCT CATALOG 60Hz

RESIDENTIAL - LennoxPROs.com

anuary 2022 Supersedes une 2021 RESIDENTIAL Page 1 PRODUCT CATALOG TABLE OF CONTENTS NOTE − Due to Lennox’ ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

[PDF] 2022 NORTH AMERICAN MERIT PRODUCT CATALOG 60Hz

Jan 3, 2022 · FEATURES. Heating System. • Lennox Duralok Plus™ Aluminized. Steel Heat Exchanger Assembly. • Aluminized Steel Inshot Burners.

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RESIDENTIAL PRODUCT CATALOG

2022 NORTH AMERICAN MERIT PRODUCT CATALOG
60Hz
Bulletin No. 210969 January 2022
(Supersedes all previous versions)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. Page 1

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

TABLE OF CONTENTS

RESIDENTIAL PRODUCT CATALOG
GAS FURNACES
ML296UHV .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1 Upflow/Horizontal - Two-Stage Heat - Variable Speed Blower; Direct/Non-Direct Vent AFUE - 96% - Input - 44,000 to 110,000 Btuh
ML296DFV  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 3 Downflow - Two-Stage Heat - Variable Speed Blower; Direct/Non-Direct Vent AFUE - 96% - Input - 44,000 to 88,000 Btuh
ML196UHE .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 7 Upflow/Horizontal - Constant Torque Blower Motor Direct/Non-Direct Vent AFUE - 96% - Input - 30,000 to 132,000 Btuh
ML196DFE  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 9 Downflow - Constant Torque Blower Motor Direct/Non-Direct Vent AFUE - 96% - Input - 44,000 to 110,000 Btuh
ML193UHE .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 13 Upflow/Horizontal - Direct/Non-Direct Vent Constant Torque Blower Motor - AFUE - 93%; Input - 30,000 to 110,000 Btuh
ML193DFE  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 15 Downflow - Direct/Non-Direct Vent; Constant Torque Blower Motor - AFUE - 93%; Input - 44,000 to 88,000 Btuh
ML180UHV .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 19 Upflow/Horizontal - Variable Speed Blower; AFUE - 80%; Input - 30,000 to 110,000 Btuh
ML180UHE .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 23 Upflow/Horizontal - Constant Torque Blower Motor; AFUE 80%; Input - 44,000 to 132,000 Btuh
ML180DFE  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 25 Downflow - Constant Torque Blower Motor; AFUE - 80%; Input - 44,000 to 110,000 Btuh
AIR CONDITIONERS
ML14XC1  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1 R-410A - Scroll Compressor; SEER - Up to 18.00; 1.5 to 5 Tons
16ACX .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 3 R-410A - Two-Stage Scroll Compressor; SEER - Up to 18.00; 2 to 5 Tons
13ACXN  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 5 R-410A - Scroll Compressor; SEER - Up to 16.00; 1.5 to 5 Tons
HEAT PUMP OUTDOOR UNITS
ML16XP1  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1 R-410A; SEER - Up to 17.00; 1.5 to 5 Tons
ML14XP1  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 3 R-410A; SEER - Up to 16.00; 1.5 to 5 Tons
16HPX .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 5 R-410A - Two-Stage Scroll Compressor; SEER - Up to 17.00; 2 to 5 Tons

Page 1 January 2022 Supersedes June 2021
INDOOR COILS
CX35 (CASED)  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1 Upflow - Cased - R-410A - Factory TXV - QuantumTM Coil 1.5 to 5 Tons
C35 (CASED) .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 3 Upflow - Cased - QuantumTM Coil; 1.5 to 5 Tons
C35 (UNCASED) .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 5 Upflow - Uncased - QuantumTM Coil; 1.5 to 5 Tons
CHX35 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 7 Horizontal - Cased - R410A - Factory TXV; 1.5 to 5 Tons
CH35 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 9 Horizontal - Cased; 1.5 to 5 Tons
CH23 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 11 Horizontal - Cased; 1.5 to 5 Tons
CR33 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 13 Downflow - Cased; 1.5 to 5 Tons
CR33 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 16
AIR HANDLERS
CBA25UHV .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1 Upflow / Horizontal - R410A - Programmable Multi-Speed Blower Motor; 1.5 to 5 Tons; Optional Electric Heat - 2.5 to 20 kW
CBA25UH .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 3 Upflow / Horizontal - R410A; 1.5 to 5 Tons; Optional Electric Heat - 2.5 to 20 kW
INDOOR AIR QUALITY
HCC .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1 MERV 11, MERV 13 Media Air Cleaner
CONTROLS
iComfort® M30 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1 Smart Wi-Fi Thermostat
ComfortSense® 5500 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 2 Touchscreen 7-Day Programmable Thermostats
ComfortSense® 3000 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 3 5-2 Day Programmable Thermostats
ComfortSense® 3000 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 4 Non-Programmable Thermostats

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
Heating System · Lennox Duralok PlusTM Aluminized
Steel Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Two-Stage Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switches
· Limit Controls
· SureLight® Hot Surface Ignitor
· Two-Speed Combustion Air Inducer Direct Vent/Non-Direct Vent Sealed Combustion · Direct Vent - Combustion air
supplied from outdoors
· Non-Direct Vent - Combustion air supplied from indoors
Controls · SureLight® Integrated Two-Stage
Furnace Control
· 24 Volt Transformer
· Field Wiring Make-up Box Variable-Speed Blower Motor · High efficiency, variable speed ECM
(Electronically Commutated Motor) Maintains specified air volumes up to a maximum of 1.0 in. w.g. (cooling)total external static Variable Speed Direct Drive Blower · Each blower assembly is statically and dynamically balanced Cabinet · Upflow, downflow, horizontal-left or horizontal-right applications without any internal modifications to the unit
· Pre-painted finish
· Foil-faced insulation on sides and back of heating compartment
Low Leakage Cabinet · Less than 2%

GAS FURNACES
ML296UHV
MERIT® SERIES
Upflow/Horizontal - Two-Stage Heat - Variable Speed Blower Direct/Non-Direct Vent
AFUE - 96% - Input - 44,000 to 110,000 Btuh
Page 1
January 2022 Supersedes June 2021

NOTE - Furnaces Cannot Be Twinned! NOTE - Furnaces Cannot Be Zoned!

Coil Match-up
· All furnaces match Lennox cased upflow indoor coils and horizontal indoor coils with same letter designation (A, B, C, D) as in the furnace model number
LIMITED WARRANTY
· Heat Exchanger - Twenty-years
· All other covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

Furnace Width A Dimension
B Dimension
Bottom Width return
Depth

"B" 17-1/2 (446) 16-3/8 (416)
16 (406) 23-1/2 (597)

"C" 21 (533) 19-7/8 (454) 19-1/2 (495) 23-1/2 (597)

ACCESSORIES · See page 5 Cabinet · Condensate Kits · Condensate Drain Heat Cable · Crawl Space Vent Drain Kit · Horizontal Suspension Kit · Return Air Base Controls · iComfort® M30 Smart Wi-Fi
Thermostat Filter Kits · Air Filter and Rack Kits Gas Heating · Gas Conversion Kits · High Altitude Orifice Kits · High Altitude Pressure Switch Kits · Termination Kits Service Kits · Night Service Kit

DIMENSIONS 19-7/16 B (494)

33

AIR FLOW

14 (356)

(838)

23 (584)

*28-3/4

A

(730) *Includes
door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Residential Product Catalog - Gas Furnaces
Page 2 January 2022 Supersedes June 2021

SPECIFICATIONS

Gas Heating Performance

High Fire

Model No. AHRI Reference No.
1 AFUE Input - Btuh Output - Btuh
Temperature rise range - °F

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

Low

Input - Btuh

Fire

Output - Btuh

Temperature rise range - °F

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

High static - in. w.g.

Heating

Cooling

Connections in.

Intake / Exhaust Pipe (PVC) Gas pipe size IPS
Condensate Drain Trap (PVC pipe) - i.d. with furnished 90° street elbow

Indoor Blower
Electrical Data

with field supplied (PVC coupling) - o.d. Wheel nominal diameter x width - in. Motor output - hp Tons of add-on cooling Air Volume Range - cfm Voltage Blower motor full load amps

Maximum overcurrent protection

Shipping Data

lbs. - 1 package

ML296UH045XV36B 202575920 96% 44,000 42,000
35 - 65 3.5 / 10.0
29,000 28,000
20 - 50 1.7 / 4.5
0.8 1.0

ML296UH070XV36B 202575921 96% 66,000 62,000
50 - 80 3.5 / 10.0
43,000 41,000
25 - 55 1.7 / 4.5
0.8 1.0

2 / 2

2 / 2

1/2

1/2

3/4 3/4 slip x 3/4 Mipt

3/4 3/4 slip x 3/4 Mipt

3/4 slip x 3/4 MPT

3/4 slip x 3/4 MPT

10 x 9

10 x 9

1/2

1/2

2 - 3

2 - 3

500 - 1370

515 - 1330

120 volts - 60 hertz - 1 phase

7.7

7.7

15

15

130

138

SPECIFICATIONS

Gas

Model No.

Heating Performance

High

AHRI Reference No. 1 AFUE
Input - Btuh

Fire

Output - Btuh

Temperature rise range - °F

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

Low

Input - Btuh

Fire

Output - Btuh

Temperature rise range - °F

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

High static - in. w.g.

Heating

Cooling

ML296UH090XV48C 202575923 96% 88,000 84,000
45 - 75 3.5 / 10.0
57,000 55,000
30 - 60 1.7 / 4.5
0.8 1.0

ML296UH110XV60C 202735180 96% 110,000 106,000
45 - 75 3.5 / 10.0
72,000 70,000
35 - 65 1.7 / 4.5
0.8 1.0

Connections in.
Indoor Blower
Electrical Data

Intake / Exhaust Pipe (PVC) Gas pipe size IPS
Condensate Drain Trap (PVC pipe) - i.d. with furnished 90° street elbow
with field supplied (PVC coupling) - o.d. Wheel nominal diameter x width - in. Motor output - hp Tons of add-on cooling Air Volume Range - cfm Voltage Blower motor full load amps

2 / 2

2 / 2

1/2

1/2

3/4

3/4

3/4 slip x 3/4 Mipt

3/4 slip x 3/4 Mipt

3/4 slip x 3/4 MPT

3/4 slip x 3/4 MPT

11 x 11 3/4

11 x 11 1

2.5 - 4

3 - 5

675 - 1765

800 - 2105

120 volts - 60 hertz - 1 phase

10.1

12.8

Maximum overcurrent protection

15

20

Shipping Data

lbs. - 1 package

163

174

NOTE - Filters and provisions for mounting are not furnished and must be field provided.

1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
Heating System · Lennox Duralok PlusTM Aluminized
Steel Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Two-Stage Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switches
· Limit Controls
· SureLight® Hot Surface Ignitor
· Two-Speed Combustion Air Inducer Direct Vent/Non-Direct Vent Sealed Combustion · Direct Vent - Combustion air
supplied from outdoors
· Non-Direct Vent - Combustion air supplied from indoors
Controls · SureLight® Integrated Two-Stage
Furnace Control
· 24 Volt Transformer
· Field Wiring Make-up Box Variable-Speed Blower Motor · High efficiency, variable speed ECM
(Electronically Commutated Motor) Maintains specified air volumes up to a maximum of 1.0 in. w.g. (cooling)total external static Variable Speed Direct Drive Blower · Each blower assembly is statically and dynamically balanced Cabinet · Downflow applications
· Pre-painted cabinet finish
· Foil-faced insulation on sides and back of heating compartment
Low Leakage Cabinet · Less than 2% Coil Match-up · All Lennox downflow indoor coils
will physically match the furnace supply air opening with the same letter designation (A, B, C, D) as in the furnace model number

GAS FURNACES
ML296DFV
MERIT® SERIES
Downflow - Two-Stage Heat - Variable Speed Blower Direct/Non-Direct Vent
AFUE - 96% - Input - 44,000 to 88,000 Btuh
Page 3
January 2022 Supersedes June 2021

NOTE - Furnaces Cannot Be Twinned! NOTE - Furnaces Cannot Be Zoned!

LIMITED WARRANTY
· Heat Exchanger - Twenty-years
· All other covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

Furnace Width A Dimension

B Dimension

Bottom supply

Width Depth

"B" 17-1/2 (446) 16-3/8 (416)
16 (406) 19-1/4 (489)

"C" 21 (533) 19-7/8 (454) 19-1/2 (495) 19-1/4 (489)

ACCESSORIES · See page 5 Cabinet · Downflow Combustible Flooring
Base · Condensate Kits · Condensate Drain Heat Cable · Crawl Space Vent Drain Kit Controls · iComfort® M30 Smart Wi-Fi
Thermostat Filter Kits · Downflow Filter Kits Gas Heating · Gas Conversion Kits · High Altitude Orifice Kits · High Altitude Pressure Switch Kits · Left Side Vent Kit · Termination Kits Service Kits · Night Service Kit
DIMENSIONS

19-7/16 B (494)
AIR FLOW

33 (838)

*28-3/4

A

(730)

*Includes door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Residential Product Catalog - Gas Furnaces
Page 4 January 2022 Supersedes June 2021

SPECIFICATIONS

Gas Heating Performance

Model No. AHRI Reference No.
1 AFUE

ML296DF045XV36B 202575917 96%

ML296DF070XV48B 202575918 96%

ML296DF090XV60C 202575919 96%

High Fire

Input - Btuh Output - Btuh

44,000 43,000

66,000 64,000

88,000 85,000

Temperature rise range - °F

35-65

35-65

40-70

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

Low Fire

Input - Btuh Output - Btuh

29,000 28,000

43,000 42,000

57,000 56,000

Temperature rise range - °F

20 - 50

25 - 55

30 - 60

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

1.7 / 4.5

1.7 / 4.5

1.7 / 4.5

High static in. w.g.

Heating

0.8

0.8

0.8

Cooling

1.0

1.0

1.0

Connections

Intake / Exhaust Pipe (PVC)

2 / 2

2 / 2

2 / 2

in.

Gas pipe size IPS

1/2

1/2

1/2

Condensate Drain Trap (PVC pipe) - i.d.

3/4

3/4

3/4

with furnished 90° street elbow 3/4 slip x 3/4 Mipt

3/4 slip x 3/4 Mipt

3/4 slip x 3/4 Mipt

with field supplied (PVC coupling) - o.d. 3/4 slip x 3/4 MPT

3/4 slip x 3/4 MPT

3/4 slip x 3/4 MPT

Indoor Blower

Wheel nom. diameter x width - in. Motor output - hp

10 x 9 1/2

11 x10 3/4

11 x 11 1.0

Tons of add-on cooling

3

4

5

Air Volume Range - cfm

545 - 1320

615 - 1805

835 - 1985

Electrical Data

Voltage Blower motor full load amps

120 volts - 60 hertz - 1 phase

7.7

10.1

12.8

Maximum overcurrent protection

15

20

20

Shipping Data

lbs. - 1 package

131

138

166

NOTE - Filters and provisions for mounting are not furnished and must be field provided.
1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

GAS FURNACES

ML296UHV, ML296DFV - OPTIONAL ACCESSORIES

RESIDENTIAL PRODUCT CATALOG

Page 5 January 2022 Supersedes June 2021

OPT IONAL AC C ES S ORIES - ORDER S EPAR ATELY

NOTE - FURNACES CANNOT BE TWINNED!

"B" Width Models

"C" Width Models

CABINET ACCESSORIES

Downflow Combustible Flooring Base - Downflow only

11M60

11M61

Horizontal Suspension Kit - Horizontal only

51W10

51W10

Return Air Base - Upflow only

50W98

50W99

CONDENSATE DRAIN KITS

Condensate Drain Heat Cable

6 ft.

26K68

26K68

24 ft.

26K69

26K69

Crawl Space Vent Drain Kit

US

51W18

51W18

Canada

15Z70

15Z70

CONTROLS

iComfort® M30 Smart Wi-Fi Thermostat

15Z69

15Z69

Outdoor Temperature Sensor

X2658

X2658

DO W N F LO W FILT E R K I TS

Downflow Filter Cabinet

51W07

51W08

1 No. and size of filter - in.

(2) 16 x 20 x 1

(2) 16 x 20 x 1

UP F LO W /H O R IZO NTA L F I LT E R K I TS

1 Air Filter and Rack Kit

Horizontal (end) Side Return

Size of filter - in. Single

87L96 - 18 x 25 x 1 44J22

87L97 - 20 x 25 x 1 44J22

Ten Pack

66K63

66K63

Size of filter - in.

16 x 25 x 1

16 x 25 x 1

TERMINATION KITS

See Installation Instructions for specific venting information.

Direct Vent

Concentric

US - 2 in.

71M80

69M29

3 in.

- - -

60L46

Canada - 2 in.

44W92

44W92

3 in.

- - -

44W93

Flush-Mount

US - 2, 2-1/2 or 3 in.

51W11

51W11

Canada - 2, 2-1/2 or 3 in.

51W12

51W12

Wall - Close Couple

US - 2 in. 3 in.

22G44 44J40

- - 44J40

Wall - Close Couple WTK

Canada - 2 in. 3 in.

30G28 81J20

- - 81J20

Direct or Non-

Roof Termination Flashing Kit,

2 in.

Direct Vent

(no vent pipe - 2 flashings)

3 in.

15F75 44J41

15F75 44J41

VENTING

Flue Coupling

2 in.

17H92

17H92

Left Side Vent Kit

2 or 3 in.

87W73

87W73

1 Cleanable polyurethane, frame-type filter. 2 NOTE - The curved exhaust pipe furnished with the Left Side Vent Kit counts as one additional 2 in. diameter 90° elbow. When using 3 in. diameter pipe, the furnished curved exhaust pipe and field provided fittings to transition from 2 in. to 3 in. count as 20 feet of equivalent pipe on all units.
NOTE - Termination Kits (44W92, 44W93, 30G28, 51W12, 81J20) and Crawl Space Vent Drain Kit (15Z70) are certified to ULC S636 standard for use in Canada only.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

GAS FURNACES

ML296UHV, ML296DFV - OPTIONAL ACCESSORIES

RESIDENTIAL PRODUCT CATALOG

Page 6 January 2022 Supersedes June 2021

GAS HEAT ACCESSORIES

Input

High Altitude Pressure Switch Kit

Natural Gas to LPG/Propane

LPG/Propane to Natural Gas

Kit

Kit

Natural Gas High Altitude
Orifice Kit

4501 - 7500 ft. 7501 - 10,000 ft. 0 - 7500 ft.

0 - 7500 ft. 7501 - 10,000 ft.

045

14A47

14A50

11K51

77W09

73W37

14A54

070

(upflow) 14A55

(downflow)

14A53 (upflow) 14A56 (downflow)

11K51

77W09

73W37

14A57

090

(upflow) 14A54

(downflow)

14A54

11K51

77W09

73W37

110

14A46

14A51

11K51

77W09

73W37

1 Two-inch diameter muffler (15Y66) is optional for 110 input model with a maximum vent pipe length of up to 29 ft. Three-inch diameter muffler (16A56) is optional for 110 input model with a minimum vent pipe length of 30 ft.

LPG/Propane High Altitude
Orifice Kit 7501 - 10,000 ft.
11K46
11K46
11K46
11K46

Muffler (US Only) 15Y66 (2-inch)
15Y66 (2-inch)
15Y66 (2-inch)
1 15Y66 (2-inch) 16A56 (3-inch)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES Heating System · Lennox Duralok PlusTM Aluminized
Steel Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switches
· SureLight® Hot Surface Ignitor
· Combustion Air Inducer
· Limit Control Direct Vent/Non-Direct Vent Sealed Combustion · Direct Vent - Combustion air
supplied from outdoors
· Non-Direct Vent - Combustion air supplied from indoors
Controls · SureLight® Integrated Furnace
Control
· 24 Volt Transformer
· Field Wiring Make-up Box Power SaverTM Constant Torque Blower Motor · High efficiency, multi-speed ECM
(Electronically Commutated Motor) Cabinet · Upflow, downflow, horizontal-left or
horizontal-right applications without any internal modifications to the unit.
· Pre-painted finish
· Foil-faced insulation on sides and back of heating compartment
Low Leakage Cabinet · Less than 2% Coil Match-up · All furnaces match Lennox cased
upflow indoor coils and horizontal indoor coils with same letter designation (A, B, C, D) as in the furnace model number

GAS FURNACES
ML196UHE
MERIT® SERIES
Upflow/Horizontal - Constant Torque Blower Motor Direct/Non-Direct Vent
AFUE - 96% - Input - 30,000 to 132,000 Btuh
Page 7
January 2022 Supersedes June 2021

LIMITED WARRANTY
· Heat Exchanger - Twenty-years
· All other covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for detail.

ACCESSORIES · See page 11 Cabinet · Condensate Kits · Condensate Drain Heat Cable · Crawl Space Vent Drain Kit · Horizontal Suspension Kit · Return Air Base Controls · Blower Motor Relay Kit · iComfort® M30 Smart Wi-Fi
Thermostat · Twinning Panel/Twinning Kit Filter Kits · Air Filter and Rack Kits Gas Heating · Gas Conversion Kits · High Altitude Orifice Kits · High Altitude Pressure Switch Kits · Termination Kits Service Kits · Night Service Kit
DIMENSIONS
19-7/16 B (494)

Furnace Width "B" "C"

A Dimension 17-1/2 21 (446) (533)

B Dimension 16-3/8 19-7/8 (416) (454)

Bottom Width 16 19-1/2

return

(406) (495)

Depth 23-1/2 23-1/2

(597) (597)

33

AIR FLOW

14 (356)

(838)

23 (584)

*28-3/4

A

(730) *Includes
door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Residential Product Catalog - Gas Furnaces

Page 8 January 2022 Supersedes June 2021

SPECIFICATIONS

Gas Heating Performance

Model No.
1 AFUE Input - Btuh Output - Btuh Temperature rise range - °F

ML196UH 030XE36B
96% 30,000 29,000 25 - 55

ML196UH 045XE36B
96% 44,000 42,800 35 - 65

ML196UH 070XE36B
96% 66,000 63,900 35 - 65

ML196UH 070XE48B
96% 66,000 63,900 30 - 60

ML196UH 090XE36C
96% 88,000 85,600 45 - 75

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane 3.5 / 10

3.5 / 10

3.5 / 10

3.5 / 10

3.5 / 10

High static - in. w.g.

0.5

0.5

0.5

0.5

0.5

Energy Star® Certified

Yes

Yes

Yes

Yes

Yes

Connections

Intake / Exhaust Pipe (PVC) 2 / 2

2 / 2

2 / 2

2 / 2

2 / 2

in.

Gas pipe size IPS

1/2

1/2

1/2

1/2

1/2

Condensate Drain Trap (PVC pipe) - i.d.

3/4

3/4

3/4

3/4

3/4

with furnished 90° street elbow

3/4 slip x 3/4 Mipt

with field supplied (PVC coupling) - o.d.

3/4 slip x 3/4 MPT

Indoor Blower

Wheel nom. dia. x width - in. 10 x 8

10 x 8

10 x 8

11-1/2 x 10

10 x 8

Motor Type DC Brushless DC Brushless DC Brushless DC Brushless DC Brushless

Motor output - hp

1/2

1/2

1/2

3/4

1/2

Tons of add-on cooling 1.5 - 3

1.5 - 3

1.5 - 3

2 - 4

1.5 - 3

Air Volume Range - cfm 175 - 1435 520 - 1345 550 - 1380 500 - 1710 460 - 1470

Electrical Data

Voltage

120 volts - 60 hertz - 1 phase

Blower motor full load amps

6.8

6.8

6.8

8.4

6.8

Maximum overcurrent protection

15

15

15

15

15

Shipping Data

lbs. - 1 package

120

124

129

132

142

SPECIFICATIONS

Gas Heating Performance

Model No. 1 AFUE

ML196UH 090XE48C
96%

ML196UH 090XE60C
96%

ML196UH 110XE60C
96%

ML196UH 135XE60D
96%

Input - Btuh

88,000

88,000

110,000

132,000

Output - Btuh

85,600

85,600

107,200

127,000

Temperature rise range - °F

50 - 80

35 - 65

45 - 75

45 - 75

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10

3.5 / 10

3.5 / 10

3.5 / 10

High static - in. w.g.

0.5

0.5

0.5

0.5

Energy Star® Certified

Yes

Yes

Yes

Yes

Connections

Intake / Exhaust Pipe (PVC)

2 / 2

2 / 2

2 / 2

2 / 2

in.

Gas pipe size IPS

1/2

1/2

1/2

1/2

Condensate Drain Trap (PVC pipe) - i.d.

3/4

3/4

3/4

3/4

with furnished 90° street elbow

3/4 slip x 3/4 Mipt

with field supplied (PVC coupling) - o.d.

3/4 slip x 3/4 MPT

Indoor Blower

Wheel nom. dia. x width - in.

10 x 10

Motor Type DC Brushless

11 x 11 DC Brushless

11-1/2 x 10 DC Brushless

11 x 11 DC Brushless

Motor output - hp

3/4

1

1

1

Tons of add-on cooling

2.5 - 4

3-5

3 - 5

3-5

Air Volume Range - cfm 760 - 1740

1050 - 2105

1055 - 2220

1310 - 2400

Electrical Data

Voltage

Blower motor full load amps

8.4

120 volts - 60 hertz - 1 phase

10.9

10.9

10.9

Maximum overcurrent protection

15

15

15

15

Shipping Data

lbs. - 1 package

152

152

164

174

NOTE - Filters and provisions for mounting are not furnished and must be field provided.

1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES Heating System · Lennox Duralok PlusTM Aluminized
Steel Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switches
· SureLight® Hot Surface Ignitor
· Combustion Air Inducer
· Limit Control Direct Vent/Non-Direct Vent Sealed Combustion · Direct Vent - Combustion air
supplied from outdoors
· Non-Direct Vent - Combustion air supplied from indoors
Controls · SureLight® Integrated Furnace
Control
· 24 Volt Transformer
· Field Wiring Make-up Box Power SaverTM Constant Torque Blower Motor · High efficiency, multi-speed ECM
(Electronically Commutated Motor) Cabinet · Downflow applications
· Pre-painted finish.
· Foil-faced insulation on sides and back of heating compartment
Low Leakage Cabinet · Less than 2% Coil Match-up · All Lennox downflow indoor coils
will physically match the furnace supply air opening with the same letter designation (A, B, C, D) as in the furnace model number

GAS FURNACES
ML196DFE
MERIT® SERIES
Downflow - Constant Torque Blower Motor Direct/Non-Direct Vent
AFUE - 96% - Input - 44,000 to 110,000 Btuh
Page 9
January 2022 Supersedes June 2021

LIMITED WARRANTY
· Heat Exchanger - Twenty-years
· All other covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for detail.

ACCESSORIES · See page 11 Cabinet · Downflow Combustible Flooring
Base · Condensate Kits · Condensate Drain Heat Cable · Crawl Space Vent Drain Kit Controls · Blower Motor Relay Kit · iComfort® M30 Smart Wi-Fi
Thermostat · Twinning Panel/Twinning Kit Filter Kits · Downflow Filter Kits Gas Heating · Gas Conversion Kits · High Altitude Orifice Kits · High Altitude Pressure Switch Kits · Termination Kits Service Kits · Night Service Kit
DIMENSIONS
19-7/16 B (494)

Furnace Width A Dimension

B Dimension

Bottom supply

Width Depth

"B" 17-1/2 (446) 16-3/8 (416)
16 (406) 19-1/4 (489)

"C" 21 (533) 19-7/8 (454) 19-1/2 (495) 19-1/4 (489)

AIR FLOW

33 (838)

*28-3/4

A

(730)

*Includes door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

SPECIFICATIONS
Gas Heating Performance

Residential Product Catalog - Gas Furnaces
Page 10 January 2022 Supersedes June 2021

Model No. ML196DF045XE36B ML196DF070XE48B ML196DF090XE48C ML196DF110XE60C

1 AFUE

96%

96%

96%

96%

Input - Btuh

44,000

66,000

88,000

110,000

Output - Btuh

42,000

64,000

85,000

106,000

Temperature rise range - °F

30 - 60

35 - 65

50 - 80

40 - 70

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10

3.5 / 10

3.5 / 10

3.5 / 10

High static - in. w.g.

0.5

0.5

0.5

0.5

Energy Star® Certified

Yes

Yes

Yes

Yes

Connections

Intake / Exhaust Pipe (PVC)

2 / 2

2 / 2

2 / 2

2 / 2

in.

Gas pipe size IPS

1/2

1/2

1/2

1/2

Condensate Drain Trap (PVC pipe) - i.d.

3/4

3/4

3/4

3/4

with furnished 90° street elbow 3/4 slip x 3/4 Mipt 3/4 slip x 3/4 Mipt 3/4 slip x 3/4 Mipt 3/4 slip x 3/4 Mipt

with field supplied (PVC coupling) - o.d. 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT

Indoor Blower

Wheel nom. diameter x width - in. Motor Type

10 x 8 DC Brushless

11-1/2 x 10 DC Brushless

10 x 10 DC Brushless

11 x 11 DC Brushless

Motor output - hp

1/2

3/4

3/4

1

Tons of add-on cooling

1.5 - 3

2 - 4

2 - 4

3 - 5

Air Volume Range - cfm 505 - 1455

525 - 1720

860 - 1760

1010 - 3115

Electrical

Voltage

Data

Blower motor full load amps

6.8

120 volts - 60 hertz - 1 phase

8.4

8.4

10.9

Maximum overcurrent protection

15

15

15

15

Shipping Data

lbs. - 1 package

126

139

154

162

NOTE - Filters and provisions for mounting are not furnished and must be field provided. 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

GAS FURNACES

ML196UHE, ML196DFE - OPTIONAL ACCESSORIES

RESIDENTIAL PRODUCT CATALOG
O P T IONAL AC C ES S ORIES - ORDER S EPARATELY
"B" Width

"C" Width

Page 11 January 2022 Supersedes June 2021
"D" Width

CABINET ACCESSORIES

Downflow Combustible Flooring Base - Downflow only Horizontal Suspension Kit - Horizontal only Return Air Base - Upflow only

11M60 51W10 50W98

11M61 51W10 50W99

11M62 51W10 51W00

CONDENSATE DRAIN KITS

Condensate Drain Heat Cable Crawl Space Vent Drain Kit

6 ft. 24 ft. U.S. Canada

26K68 26K69 51W18 15Z70

26K68 26K69 51W18 15Z70

26K68 26K69 51W18 15Z70

CONTROLS

Blower Motor Relay Kit (for two-stage outdoor units) Twinning Panel Twinning Kit

85W66 Y3653 16W72

85W66 Y3653 16W72

85W66 Y3653 16W72

DO W N F LO W FILT E R K I TS

Downflow Filter Cabinet

51W07

51W08

- - -

1 No. and size of filter - in. (2) 16 x 20 x 1

(2) 16 x 20 x 1

- - -

UP F LO W /H O R IZO NTA L F I LT E R K I TS

1 Air Filter and Rack Kit

Horizontal (end) Side Return

Size of filter - in. Single
Ten Pack Size of filter - in.

87L96 - 18 x 25 x 1 44J22 66K63
16 x 25 x 1

87L97 - 20 x 25 x 1 44J22 66K63
16 x 25 x 1

87L98 - 25 x 25 x 1 44J22 66K63
16 x 25 x 1

SERVICE KIT

Night Service Kit

84W48

84W48

84W48

TERMINATION KITS

See Installation Instructions for specific venting information.

Direct Vent

Concentric

U.S. - 2 in.

3 in.

Canada - 2 in.

3 in.

FlushMount

U.S. - 2, 2-1/2 or 3 in. Canada - 2, 2-1/2 or 3 in.

Wall - Close

2 in.

Couple

3 in.

Close Couple WTK

2 in.

3 in.

Direct or NonDirect Vent

Roof Termination Flashing Kit, (no vent pipe - 2 flashings)

2 in. 3 in.

71M80 - - -
44W92 - - -
51W11 51W12 22G44 44J40 30G28 81J20 15F75 44J41

69M29 60L46 44W92 44W93 51W11 51W12
- - 44J40
- - 81J20 15F75 44J41

- - 60L46
- - 44W93 51W11 51W12
- - 44J40
- - 81J20
- - 44J41

VENTING

Flue Coupling

2 in.

17H92

17H92

17H92

1 Cleanable polyurethane frame type filter.

NOTE - Termination Kits (44W92, 44W93, 30G28, 51W12, 81J20) and Crawl Space Vent Drain Kit (15Z70) are certified to ULC S636 standard for use in Canada only.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

GAS FURNACES

ML196UHE, ML196DFE - OPTIONAL ACCESSORIES

RESIDENTIAL PRODUCT CATALOG

GAS HEAT ACCESSORIES

Input

High Altitude Pressure Switch Kit

Natural Gas to LPG/Propane

LPG/Propane to Natural Gas

Kit

Kit

Natural Gas High Altitude
Orifice Kit

4501 - 7500 ft. 7501 - 10,000 ft. 0 - 7500 ft.

0 - 7500 ft. 7501 - 10,000 ft.

030

11U65

11U66

17H63

N/A

14C90

045

11U65

11U66

11K49

73W81

73W37

070

11U70

11U68

11K49

73W81

73W37

090

11U70 (UH) 11U71 (DF)

11U64 (UH) 11U68 (DF)

11K49

73W81

73W37

110

11U71 (UH) 11U70 (DF)

11U64 (UH) 11U68 (DF)

11K49

73W81

73W37

135

11U70

11U68

11K49

73W82

73W37

1 Two-inch diameter muffler (15Y66) is optional for 110 input model with a maximum vent pipe length of up to 29 ft. Three-inch diameter muffler (16A56) is optional for 110 input model with a minimum vent pipe length of 30 ft.

Page 12 January 2022 Supersedes June 2021

LPG/Propane High Altitude
Orifice Kit
7501 - 10,000 ft.
17H66
11K44
11K44

Muffler (US Only)
15Y66 (2-inch) 15Y66 (2-inch) 15Y66 (2-inch) 15Y66 (2-inch)

11K44

15Y66 (2-inch)

11K44 11K44

1 15Y66 (2-inch) 16A56 (3-inch)
16A56 (3-inch)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
Heating System · Lennox Duralok PlusTM Aluminized
Steel Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switch
· SureLight® Hot Surface Ignitor
· Combustion Air Inducer
· Limit Control Direct Vent/Non-Direct Vent Sealed Combustion · Direct Vent - Combustion air
supplied from outdoors
· Non-Direct Vent - Combustion air supplied from indoors
Controls · SureLight® Integrated Furnace
Control
· Built-in Twinning Capability
· 24 Volt Transformer
· Field Wiring Make-up Box Power SaverTM Constant Torque Blower Motor · High efficiency, multi-speed ECM
(Electronically Commutated Motor) Cabinet · Upflow/Horizontal applications
· Pre-painted finish
· Foil-faced insulation on sides and back of heating compartment
Low Leakage Cabinet · Less than 2% Coil Match-up · All furnaces match Lennox cased
upflow indoor coils and horizontal indoor coils with same letter designation (A, B, C, D) as in the furnace model number

GAS FURNACES
ML193UHE
MERIT® SERIES
Upflow/Horizontal - Direct/Non-Direct Vent Constant Torque Blower Motor - AFUE - 93%
Input - 30,000 to 110,000 Btuh
Page 13
January 2022 Supersedes June 2021

LIMITED WARRANTY
· Heat Exchanger - Twenty-years
· All other covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

ACCESSORIES · See page 17 Cabinet · Condensate Kits · Condensate Drain Heat Cable · Crawl Space Vent Drain Kit · Horizontal Suspension Kit · Return Air Base Controls · Blower Relay Kit · iComfort® M30 Smart Wi-Fi
Thermostat · Twinning Panel/Twinning Kit Filter Kits · Air Filter and Rack Kits Gas Heating · Gas Conversion Kits · High Altitude Pressure Switch Kits · High Altitude Orifice Kits · Termination Kits Service Kits · Night Service Kit
DIMENSIONS
19-7/16 B (494)

Furnace Width A Dimension
B Dimension
Bottom Width return
Depth

"B" 17-1/2 (446) 16-3/8 (416)
16 (406) 23-1/2 (597)

"C" 21 (533) 19-7/8 (454) 19-1/2 (495) 23-1/2 (597)

33

AIR FLOW

14 (356)

(838)

23 (584)

*28-3/4

A

(730) *Includes
door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Residential Product Catalog - Gas Furnaces

Page 14 January 2022 Supersedes June 2021

SPECIFICATIONS

Gas Heating Performance

Model No. ML193UH030XE36B ML193UH045XE36B ML193UH070XE36B ML193UH090XE36C

AHRI Reference No.

20256877

20256878

20256879

20256880

1 AFUE

93%

93%

93%

93%

Input - Btuh

30,000

44,000

66,000

88,000

Output - Btuh

29,000

42,000

63,000

84,000

Temperature rise range - °F

25 - 55

30 - 60

40 - 70

50 - 80

Gas Manifold Pressure (in. w.g.)

3.5 / 10

3.5 / 10.0

3.5 / 10.0

3.5 / 10

Nat. Gas / LPG/Propane

High static - in. w.g.

0.5

0.5

0.5

0.5

Connections Intake / Exhaust Pipe (PVC)

2 / 2

2 / 2

2 / 2

2 / 2

in.

Gas pipe size IPS

1/2

1/2

1/2

1/2

Condensate Drain Trap (PVC pipe) - i.d.

3/4

3/4

3/4

3/4

with furnished 90° street elbow 3/4 slip x 3/4 Mipt 3/4 slip x 3/4 Mipt 3/4 slip x 3/4 Mipt 3/4 slip x 3/4 Mipt

with field supplied (PVC coupling) - o.d. 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT 3/4 slip x 3/4 MPT

Indoor Blower

Wheel nom. dia. x width - in. Motor Type
Motor output - hp Tons of add-on cooling Air Volume Range - cfm

10 x 8 DC Brushless
1/2 1.5 - 3 175 - 1435

10 x 8 DC Brushless
1/2 1.5 - 3 355 - 1420

10 x 8 DC Brushless
1/2 1.5 - 3 355 - 1430

10 x 8 DC Brushless
1/2 1.5 - 3 405 - 1410

Electrical

Voltage

120 volts - 60 hertz - 1 phase

Data

Blower motor full load amps

6.8

6.8

6.8

6.8

Maximum overcurrent protection

15

15

15

15

Shipping Data

lbs. - 1 package

128

128

132

146

SPECIFICATIONS

Gas Heating Performance

Model No. AHRI Reference No.
1 AFUE

ML193UH090XE48C 20256881
93%

ML193UH110XE48C 20256882
93%

Input - Btuh Output - Btuh Temperature rise range - °F

88,000 84,000 45 - 75

110,000 104,000
50 - 80

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane High static - in. w.g.

3.5 / 10.0 0.5

3.5 / 10 0.5

Connections Intake / Exhaust Pipe (PVC)

2 / 2

2 / 2

in.

Gas pipe size IPS

1/2

1/2

Condensate Drain Trap (PVC pipe) - i.d.

3/4

3/4

with furnished 90° street elbow

3/4 slip x 3/4 Mipt

3/4 slip x 3/4 Mipt

with field supplied (PVC coupling) - o.d.

3/4 slip x 3/4 MPT

3/4 slip x 3/4 MPT

Indoor

Wheel nom. dia. x width - in.

Blower

Motor Type

Motor output - hp

Tons of add-on cooling

Air Volume Range - cfm

Electrical

Voltage

Data

Blower motor full load amps

Maximum overcurrent protection

Shipping Data

lbs. - 1 package

10 x 10 DC Brushless
3/4 2.5 - 4 830 - 1710
8.4 15 150

10 x 10 DC Brushless
3/4 2.5 - 4 850 - 1750 120 volts - 60 hertz - 1 phase
8.4 15 162

NOTE - Filters and provisions for mounting are not furnished and must be field provided.
1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

ML193UH110XE60C 20256883 93% 110,000 105,000 45 - 75
3.5 / 10
0.5 2 / 2 1/2 3/4 3/4 slip x 3/4 Mipt 3/4 slip x 3/4 MPT 11-1/2 x 10 DC Brushless
1 3 - 5 1085 - 2150
10.9 15 168

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
Heating System · Lennox Duralok PlusTM Aluminized
Steel Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switch
· SureLight® Hot Surface Ignitor
· Combustion Air Inducer
· Limit Control Direct Vent/Non-Direct Vent Sealed Combustion · Direct Vent - Combustion air
supplied from outdoors
· Non-Direct Vent - Combustion air supplied from indoors
Controls · SureLight® Integrated Furnace
Control
· Built-in Twinning Capability
· 24 Volt Transformer
· Field Wiring Make-up Box Power SaverTM Constant Torque Blower Motor · High efficiency, multi-speed ECM
(Electronically Commutated Motor) Cabinet · Downflow applications
· Pre-painted cabinet finish
· Foil-faced insulation on sides and back of heating compartment
Low Leakage Cabinet · Less than 2% Coil Match-up · All Lennox downflow indoor coils
will physically match the furnace supply air opening with the same letter designation (A, B, C, D) as in the furnace model number

GAS FURNACES
ML193DFE
MERIT® SERIES
Downflow - Direct/Non-Direct Vent Constant Torque Blower Motor - AFUE - 93%
Input - 44,000 to 88,000 Btuh
Page 15
January 2022 Supersedes June 2021

LIMITED WARRANTY
· Heat Exchanger - Twenty-years
· All other covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

Furnace Width A Dimension

B Dimension

Bottom supply

Width Depth

"B"
17-1/2 (446)
16-3/8 (416)
16 (406)
19-1/4 (489)

"C"
21 (533)
19-7/8 (454)
19-1/2 (495)
19-1/4 (489)

ACCESSORIES · See page 17 Cabinet · Condensate Kits · Condensate Drain Heat Cable · Crawl Space Vent Drain Kit · Downflow Combustible Flooring
Base Controls · Blower Relay Kit · iComfort® M30 Smart Wi-Fi
Thermostat · Twinning Panel/Twinning Kit Filter Kits · Downflow Filter Kits Gas Heating · Gas Conversion Kits · High Altitude Pressure Switch Kits · High Altitude Orifice Kits · Termination Kits Service Kits · Night Service Kit
DIMENSIONS

19-7/16 B (494)
AIR FLOW

33 (838)

*28-3/4

A

(730)

*Includes door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Residential Product Catalog - Gas Furnaces
Page 16 January 2022 Supersedes June 2021

SPECIFICATIONS

Gas Heating Performance

Model No. AHRI Reference No.

1 AFUE

ML193DF045XE36B 20556884 93%

ML193DF070XE36B 20556885 93%

ML193DF090XE48C 20556886 93%

Input - Btuh

44,000

66,000

88,000

Output - Btuh

42,000

63,000

84,000

Temperature rise range - °F

30 - 60

40 - 70

45 - 75

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

High static - in. w.g.

0.50

0.50

0.50

Connections Intake / Exhaust Pipe (PVC)

2 / 2

2 / 2

2 / 2

in.

Gas pipe size IPS

1/2

1/2

1/2

Condensate Drain Trap (PVC pipe) - i.d.

3/4

3/4

3/4

with furnished 90° street elbow

3/4 slip x 3/4 Mipt

3/4 slip x 3/4 Mipt

3/4 slip x 3/4 Mipt

with field supplied (PVC coupling) - o.d.

3/4 slip x 3/4 MPT

3/4 slip x 3/4 MPT

3/4 slip x 3/4 MPT

Indoor Blower

Wheel nom. dia. x width - in. Motor output - hp

10 x 8 1/2

10 x 8 1/2

10 x 10 3/4

Tons of add-on cooling

1.5 - 3

1.5 - 3

2.5 - 4

Air Volume Range - cfm

335 - 1430

340 - 1415

825 - 1720

Electrical

Voltage

120 volts - 60 hertz - 1 phase

Data

Blower motor full load amps

6.8

6.8

8.4

Maximum overcurrent protection

15

15

15

Shipping Data

lbs. - 1 package

130

134

152

NOTE - Filters and provisions for mounting are not furnished and must be field provided. 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

GAS FURNACES

ML193UHE, ML193DFE - OPTIONAL ACCESSORIES

RESIDENTIAL PRODUCT CATALOG

Page 17 January 2022 Supersedes June 2021

OPT IONAL AC C ES S ORIES - ORDER S EPAR ATELY

"B" Width Models

"C" Width Models

CABINET ACCESSORIES

Downflow Combustible Flooring Base Horizontal Suspension Kit - Horizontal only Return Air Base - Upflow only High Performance Economizer (Commercial Only)

11M60 51W10 50W98 10U53

11M61 51W10 50W99 10U53

CONDENSATE DRAIN KITS

Condensate Drain Heat Cable Crawl Space Vent Drain Kit

6 ft. 24 ft.
US

26K68 26K69 51W18

26K68 26K69 51W18

Canada

15Z70

15Z70

CONTROLS

Blower Relay Kit (for two-stage outdoor units) iComfort® M30 Smart Wi-Fi Thermostat Outdoor Temperature Sensor Twinning Panel Twinning Kit

85W66 15Z69 X2658 Y3653 16W72

85W66 15Z69 X2658 Y3653 16W72

DO W N F LO W FILT E R K I TS

Downflow Filter Cabinet

¹ No. and Size of filter - in.

51W07 (2) 16 x 20 x 1

51W08 (2) 16 x 20 x 1

UP F LO W /H O R IZO NTA L F I LT E R K I TS

1 Air Filter and Rack Kit

Horizontal (end) Side Return

Size of filter - in. Single
Ten Pack Size of filter - in.

87L96 - 18 x 25 x 1 44J22 66K63
16 x 25 x 1

87L97 - 20 x 25 x 1 44J22 66K63
16 x 25 x 1

NIGHT SERVICE KIT

Night Service Kit

84W48

84W48

TERMINATION KITS

See Installation Instructions for specific venting information.

Direct Vent
Direct or NonDirect Vent

Concentric

US - 2 in.

3 in.

Canada - 2 in.

3 in.

Flush-Mount

US - 2, 2-1/2 or 3 in.

Canada - 2, 2-1/2 or 3 in.

Wall - Close Couple

US - 2 in. 3 in.

Wall - Close Couple WTK

Canada - 2 in. 3 in.

Roof Termination Flashing Kit,

2 in.

(no vent pipe - 2 flashings)

3 in.

71M80 - - -
44W92 - - -
51W11 51W12 22G44 44J40 30G28 81J20 15F75 44J41

69M29 60L46 44W92 44W93 51W11 51W12
- - 44J40
- - 81J20 15F75 44J41

VENTING

Flue Coupling

2 in.

17H92

17H92

1 Cleanable polyurethane frame type filter.

NOTE - Termination Kits (44W92, 44W93, 30G28, 51W12, 81J20) and Crawl Space Vent Drain Kit (15Z70) are certified to ULC S636 standard for use in Canada only.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

GAS FURNACES

ML193UHE, ML193DFE - OPTIONAL ACCESSORIES

RESIDENTIAL PRODUCT CATALOG

GAS HEAT ACCESSORIES

Input

High Altitude Pressure Switch Kit

Natural Gas to LPG/Propane Natural Gas

LPG/Propane to Natural Gas High Altitude

Kit

Kit

Orifice Kit

LPG/Propane High Altitude
Orifice Kit

4501 - 7500 ft. 7501 - 10,000 ft. 0 - 7500 ft.

0 - 7500 ft. 7501 - 10,000 ft. 7501 - 10,000 ft.

030

11U65

11U66

17H63

N/A

14C90

17H66

045

11U65

11U66

11K49

73W81

73W37

11K44

070

11U65

11U66

11K49

73W81

73W37

11K44

090

11U65

11U66

11K49

73W81

73W37

11K44

110

11U65

11U66

11K49

73W81

73W37

11K44

2 Two-inch diameter muffler (15Y66) is optional for 110 input model with a maximum vent pipe length of up to 29 ft. Three-inch diameter muffler (16A56) is optional for 110 input model with a minimum vent pipe length of 30 ft.

Page 18 January 2022 Supersedes June 2021
Muffler (US Only)
15Y66 (2-inch) 15Y66 (2-inch) 15Y66 (2-inch) 15Y66 (2-inch) 2 15Y66 (2-inch) 16A56 (3-inch)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
Heating System · Lennox DuralokTM Aluminized Steel
Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switches
· Hot Surface, Nitride Ignitor
· Combustion Air Inducer
· Limit Control Controls · Integrated Furnace Control
· 24 Volt Transformer
· Field Wiring Make-up Box Variable-Speed Blower Motor · High efficiency, variable speed ECM
(Electronically Commutated Motor)
· Maintains specified air volume from 0 though 0.80 in. w.g. (heating) and 0 through 1.0 in. w.g. (Cooling) static range
Variable Speed Direct Drive Blower · Each blower assembly is statically
and dynamically balanced Cabinet · Upflow/Horizontal applications
· Pre-painted finish
· Fully insulated cabinet with foilfaced insulation on sides and back of heating compartment and mat-faced insulation in blower compartment
Low Leakage Cabinet · Less than 2% Coil Match-up · All furnaces match Lennox cased
upflow indoor coils and horizontal indoor coils with same letter designation (A, B, C, D) as in the furnace model number

GAS FURNACES
ML180UHV
MERIT® SERIES
Upflow/Horizontal - Variable Speed Blower AFUE - 80%
Input - 30,000 to 110,000 Btuh
Page 19
January 2022 Supersedes June 2021

NOTE - Not Available In Canada! NOTE - Furnaces Cannot Be Twinned!

LIMITED WARRANTY
· Heat Exchanger - Twenty years
· All other covered components Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

Furnace

"A"

Width

A Dimension 14-1/2

(368)

B Dimension 13-3/8 (340)

Bottom Width 13

return

(330)

Depth 23-1/2 (597)

"B"
17-1/2 (446) 16-3/8 (416)
16 (406) 23-1/2 (597)

"C"
21 (533) 19-7/8 (454) 19-1/2 (495) 23-1/2 (597)

ACCESSORIES · See page 21 Cabinet · Horizontal Suspension Kit · Return Air Base Controls · iComfort® M30 Smart Wi-Fi
Thermostat Filter Kits · Air Filter and Rack Kits Gas Heating · Gas Conversion Kits · High Altitude Orifice Kit (natural gas
only) · High Altitude Pressure Switch Kit Service Kits · Night Service Kit Venting · Vent Adaptor (Upflow Applications
Only)
DIMENSIONS

19-7/16 (494)

B

AIR
FLOW 14 (356)

33 (838)

23 (584)

*28-1/2

A

(730) *Includes

door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Residential Product Catalog - Gas Furnaces
Page 20 January 2022 Supersedes June 2021

SPECIFICATIONS

Gas Heating Performance

Model No. ML180UH030V36A ML180UH045V36A ML180UH070V36A ML180UH070V36B

1 AFUE

80%

80%

80%

80%

Input - Btuh

30,000

44,000

66,000

66,000

Output - Btuh

24,430

36,100

53,400

53,400

Temperature rise range - °F

25 - 55

15 - 45

30 - 60

30 - 60

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

High Static - in. w.g.

0.80

0.80

0.80

0.80

Connections

Flue connection - in. round

4

4

4

4

in.

Gas pipe size IPS

1/2

1/2

1/2

1/2

Indoor Blower

Wheel nom. dia. x width - in. Motor output - hp

10 x 7 1/2

10 x 7 1/2

10 x 7 1/2

10 x 8 1/2

Tons of add-on cooling

1.5 - 3

1.5 - 3

1.5 - 3

1.5 - 3

Air Volume Range - cfm 380 - 1320

380 - 1320

400 - 1345

370 - 1290

Electrical

Voltage

120 volts - 60 hertz - 1 phase

Data

Blower motor full load amps

7.7

7.7

7.7

7.7

Maximum overcurrent protection

15

15

15

15

Shipping Data

lbs. - 1 package

111

111

126

127

NOTE - Filters and provisions for mounting are not furnished and must be field provided. 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

SPECIFICATIONS

Gas Heating Performance

Model No. 1 AFUE
Input - Btuh

ML180UH070V48B 80%
66,000

ML180UH090V48B 80%
88,000

ML180UH110V60C 80%
110,000

Output - Btuh

53,400

71,500

89,700

Temperature rise range - °F

30 - 60

35 - 65

35 - 65

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

High Static - in. w.g.

0.50

0.50

0.50

Connections

Flue connection - in. round

4

4

4

in.

Gas pipe size IPS

1/2

1/2

1/2

Indoor Blower

Wheel nom. dia. x width - in. Motor output - hp

11-1/2 x 9 3/4

11-1/2 x 9 3/4

11-1/2 x 10 1

Tons of add-on cooling

2.5 - 4

2.5 - 4

3 - 5

Air Volume Range - cfm

430 - 1850

650 - 1740

930 - 2180

Electrical Data

Voltage Blower motor full load amps

120 volts - 60 hertz - 1 phase

8.5

8.5

11.5

Maximum overcurrent protection

15

15

20

Shipping Data

lbs. - 1 package

129

141

160

NOTE - Filters and provisions for mounting are not furnished and must be field provided. 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

GAS FURNACES

RESIDENTIAL PRODUCT CATALOG

ML180UHV - OPTIONAL ACCESSORIES
Page 21 January 2022 Supersedes June 2021

OPT IONAL AC C ES S ORIES - ORDER S EPAR ATELY
"A" Width Models

CABINET ACCESSORIES

Horizontal Suspension Kit - Horizontal only Return Air Base - Upflow only High Performance Economizer (Commercial Only)

51W10 65W75 10U53

CONTROLS

iComfort® M30 Smart Wi-Fi Thermostat Outdoor Temperature Sensor

15Z69 X2658

FILTER S

1 Air Filter and Rack Kit

Horizontal (end)

87L95

Size of filter - in. 14 x 25 x 1

Side Return

Single Ten Pack Size of filter - in.

44J22 66K63 16 x 25 x 1

NIGHT SERVICE KITS

Night Service Kit

19H89

VENTING

Vent Adaptor - 6 in. conn. size upflow applications only
1 Cleanable polyurethane, frame-type filter.

18M79

"B" Width Models
51W10 50W98 10U53
15Z69 X2658
87L96 18 x 25 x 1
44J22 66K63 16 x 25 x 1
19H89
18M79

"C" Width Models
51W10 50W99 10U53
15Z69 X2658
87L97 20 x 25 x 1
44J22 66K63 16 x 25 x 1
19H89
18M79

GAS HEAT ACCESSORIES

Input

High Altitude Pressure Switch Kit

0 - 4500 ft. 4501 - 7500 ft. 7501 - 10,000 ft.

030 No Change

80W52

80W51

045 No Change

80W52

80W51

070 No Change

80W52

80W51

090 No Change

80W52

80W51

110 No Change

80W57

80W52

Natural Gas to LPG/Propane Kit

LPG/Propane to Natural Gas Kit

Natural Gas High Altitude
Orifice Kit

0 - 7500 ft. 7501 - 10,000 ft. 0 - 7500 ft. 7501 - 10,000 ft.

19D59

19H30

N/A

14C90

19D58

19H29

77W09

73W37

19D58

19H29

77W09

73W37

19D58

19H29

77W09

73W37

19D58

19H29

77W09

73W37

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
Heating System · Lennox DuralokTM Aluminized Steel
Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switches
· Hot Surface, Nitride Ignitor
· Combustion Air Inducer
· Limit Control Controls · Integrated Furnace Control
· 24 Volt Transformer
· Field Wiring Make-up Box Power SaverTM Constant Torque Blower Motor · High efficiency, multi-speed ECM
(Electronically Commutated Motor) Cabinet · Upflow/Horizontal applications
· Pre-painted finish
· Foil-faced insulation on sides and back of heating compartment
Low Leakage Cabinet · Less than 2% Coil Match-up · All furnaces match Lennox cased
upflow indoor coils and horizontal indoor coils with same letter designation (A, B, C, D) as in the furnace model number

GAS FURNACES
ML180UHE
MERIT® SERIES
Upflow/Horizontal - Constant Torque Blower Motor AFUE - 80%
Input - 44,000 to 132,000 Btuh
Page 23
January 2022 Supersedes June 2021

NOTE - Not Available In Canada!

LIMITED WARRANTY
· Heat Exchanger - Twenty years
· All other covered components Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

ACCESSORIES · See page 27 Cabinet · Horizontal Suspension Kit · Return Air Base Controls · Blower Motor Relay Kit · iComfort® M30 Smart Wi-Fi
Thermostat · Twinning Panel/Twinning Kit Filter Kits · Air Filter and Rack Kits Gas Heating · Gas Conversion Kits · High Altitude Orifice Kit (natural gas
only) · High Altitude Pressure Switch Kit Service Kits · Night Service Kit Venting · Vent Adaptor (Upflow Applications
Only)
DIMENSIONS

Furnace

"A" "B" "C" "D"

Width

A Dimension 14-1/2 17-1/2 21 24-1/2

(368) (446) (533) (622)

B Dimension 13-3/8 16-3/8 19-7/8 23-3/8 (340) (416) (454) (546)

Bottom Width 13 16 19-1/2 23

return

(330) (406) (495) (584)

Depth 23-1/2 23-1/2 23-1/2 23-1/2 (597) (597) (597) (597)

19-7/16 (494)

B

AIR
FLOW 14 (356)

33 (838)

23 (584)

*28-1/2

A

(730) *Includes

door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Residential Product Catalog - Gas Furnaces

Page 24 January 2022 Supersedes June 2021

SPECIFICATIONS

Gas Heating Performance

Model No. ML180UH045E36A ML180UH070E36A ML180UH070E36B ML180UH090E48B

Model No. - Low Nox ML180UH045XE36A ML180UH070XE36A ML180UH070XE36B ML180UH090XE48B

1 AFUE

80%

80%

80%

80%

Input - Btuh

44,000

66,000

66,000

88,000

Output - Btuh

36,000

53,000

53,000

72,000

Temperature rise range - °F

15 - 45

40 - 70

40 - 70

35 - 65

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

High Static - in. w.g.

0.50

0.50

0.50

0.50

Connections Flue connection - in. round

4

4

4

4

in.

Gas pipe size IPS

1/2

1/2

1/2

1/2

Indoor Blower

Wheel nom. dia. x width - in. Motor Type

10 x 8 DC Brushless

10 x 10 DC Brushless

10 x 10 DC Brushless

10 x 10 DC Brushless

Motor output - hp

1/2

1/2

1/2

3/4

Tons of add-on cooling

1.5 - 3

1.5 - 3

1.5 - 3

2.5 - 4

Air Volume Range - cfm

350 - 1380

625 - 1435

395 - 1415

750 - 1785

Electrical

Voltage

120 volts - 60 hertz - 1 phase

Data

Blower motor full load amps

6.8

6.8

6.8

8.4

Maximum overcurrent protection

15

15

15

15

Shipping Data

lbs. - 1 package

111

111

127

142

SPECIFICATIONS

Gas Heating Performance

Model No. Model No. - Low Nox
1 AFUE

ML180UH090E60C - - 80%

ML180UH110E60C ML180UH110XE60C
80%

ML180UH135E60D - - 80%

Input - Btuh

88,000

110,000

132,000

Output - Btuh

72,000

90,000

107,000

Temperature rise range - °F

30 - 60

35 - 65

30 - 60

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

High Static - in. w.g.

0.50

0.50

0.50

Connections

Flue connection - in. round

4

4

4

in.

Gas pipe size IPS

1/2

1/2

1/2

Indoor Blower

Wheel nom. dia. x width - in. Motor Type

11-1/2 x 10 DC Brushless

11-1/2 x 10 DC Brushless

11 x 11 DC Brushless

Motor output - hp

1

1

1

Tons of add-on cooling

3 - 5

3 - 5

3.5 - 5

Air Volume Range - cfm

990 - 2290

920 - 2315

1140 - 2495

Electrical Data

Voltage Blower motor full load amps

120 volts - 60 hertz - 1 phase

10.9

10.9

10.9

Maximum overcurrent protection

15

15

15

Shipping Data

lbs. - 1 package

152

160

178

NOTE - Filters and provisions for mounting are not furnished and must be field provided. 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
Heating System · Lennox DuralokTM Aluminized Steel
Heat Exchanger Assembly
· Aluminized Steel Inshot Burners
· Gas Control Valve with 100% Safety Shutoff
· Flame Rollout Switch
· Hot Surface, Nitride Ignitor
· Combustion Air Inducer
· Limit Controls Controls · Integrated Furnace Control
· 24 Volt Transformer
· Field Wiring Make-up Box Power SaverTM Constant Torque Blower Motor · High efficiency, multi-speed ECM
(Electronically Commutated Motor) Cabinet · Downflow applications
· Pre-painted finish
· Foil-faced insulation on sides and back of heating compartment
Low Leakage Cabinet · Less than 2% Coil Match-up · All Lennox downflow indoor coils
will physically match the furnace supply air opening with the same letter designation (A, B, C, D) as in the furnace model number

GAS FURNACES
ML180DFE
MERIT® SERIES
Downflow - Constant Torque Blower Motor AFUE - 80%
Input - 44,000 to 110,000 Btuh
Page 25
January 2022 Supersedes June 2021

LIMITED WARRANTY
· Heat Exchanger - Twenty years
· All other covered components Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

Furnace

"A"

Width

A Dimension 14-1/2

(368)

B Dimension 13-3/8 (340)

Bottom Width 13

return

(330)

Depth 23-1/2 (597)

"B"
17-1/2 (446) 16-3/8 (416)
16 (406) 23-1/2 (597)

"C"
21 (533) 19-7/8 (454) 19-1/2 (495) 23-1/2 (597)

NOTE - Not Available In Canada!
ACCESSORIES · See page 27 Cabinet · Downflow Combustible Flooring
Base Controls · Blower Motor Relay Kit · iComfort® M30 Smart Wi-Fi
Thermostat · Twinning Panel/Twinning Kit Filters · Downflow Filter Kits Gas Heating · Gas Conversion Kits · High Altitude Pressure Switch Kits Service Kits · Night Service Kit

DIMENSIONS

19-7/16 (494)

B

AIR FLOW

33 (838)

*28-1/2

A

(730) *Includes

door

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Residential Product Catalog - Gas Furnaces

Page 26 January 2022 Supersedes June 2021

SPECIFICATIONS

Gas Heating Performance

Model No. 1 AFUE
Input - Btuh

ML180DF045E36A 80%
44,000

ML180DF070E36A 80%
66,000

ML180DF070E36B 80%
66,000

Output - Btuh

36,000

54,000

54,000

Temperature rise range - °F

15 - 45

30 - 60

30 - 60

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10.0

3.5 / 10.0

3.5 / 10.0

High Static - in. w.g.

0.50

0.50

0.50

Connections Flue connection - in. round

4

4

4

in.

Gas pipe size IPS

1/2

1/2

1/2

Indoor Blower

Wheel nom. dia. x width - in. Motor Type

10 x 8 DC Brushless

10 x 10 DC Brushless

10 x 10 DC Brushless

Motor output - hp

1/2

1/2

1/2

Tons of add-on cooling

1.5 - 3

1.5 - 3

1.5 - 3

Air Volume Range - cfm

355 - 1430

675 - 1460

430 - 1475

Electrical Data

Voltage

120 volts - 60 hertz - 1 phase

Blower motor full load amps

6.8

6.8

6.8

Maximum overcurrent protection

15

15

15

Shipping Data

lbs. - 1 package

113

119

128

NOTE - Filters and provisions for mounting are not furnished and must be field provided. 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

SPECIFICATIONS

Gas Heating Performance

Model No. 1 AFUE
Input - Btuh

ML180DF090E48B 80%
88,000

ML180DF110E60C 80%
110,000

Output - Btuh

72,000

90,000

Temperature rise range - °F

30 - 60

30 - 60

Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane

3.5 / 10.0

3.5 / 10.0

High Static - in. w.g.

0.50

0.50

Connections Flue connection - in. round

4

4

in.

Gas pipe size IPS

1/2

1/2

Indoor Blower

Wheel nom. dia. x width - in. Motor Type

10 x 10 DC Brushless

11-1/2 x 10 DC Brushless

Motor output - hp

3/4

1

Tons of add-on cooling

2.5 - 4

3 - 5

Air Volume Range - cfm

680 - 1750

990 - 2410

Electrical Data

Voltage

120 volts - 60 hertz - 1 phase

Blower motor full load amps

8.4

10.9

Maximum overcurrent protection

15

15

Shipping Data

lbs. - 1 package

140

160

NOTE - Filters and provisions for mounting are not furnished and must be field provided. 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

GAS FURNACES

ML180UHE, ML180DFE - OPTIONAL ACCESSORIES

RESIDENTIAL PRODUCT CATALOG

Page 27 January 2022 Supersedes June 2021

OPT IONAL AC C ES S ORIES - ORDER S EPARATELY

"A" Width

"B" Width

"C" Width

"D" Width

CABINET ACCESSORIES

Downflow Combustible Flooring Base - Downflow only

11M59

11M60

11M61

- - -

Horizontal Suspension Kit - Horizontal only

51W10

51W10

51W10

51W10

Return Air Base - Upflow only

65W75

50W98

50W99

51W00

CONTROLS

Blower Motor Relay Kit (for two-stage outdoor units)

85W66

85W66

85W66

85W66

Twinning Panel

Y3653

Y3653

Y3653

Y3653

Twinning Kit

16W72

16W72

16W72

16W72

DO W N F LO W FILT E R K I TS

Downflow Filter Cabinet

51W06

51W07

51W08

- - -

1 No. and size of filter - in. (1) 20 x 20 x 1 (2) 16 x 20 x 1 (2) 16 x 20 x 1

- - -

SERVICE KIT

Night Service Kit

UP F LO W /H O R IZO NTA L F I LT E R K I TS

1 Air Filter and Rack Kit

Horizontal (end)

Size of filter - in.

Side Return

Single

Ten Pack

Size of filter - in.

VENTING Vent Adaptor - 6 in. connection size upflow applications only

1 Cleanable frame type filter.

84W47
87L95 14 x 25 x 1
44J22 66K63 16 x 25 x 1
18M79

84W47
87L96 18 x 25 x 1
44J22 66K63 16 x 25 x 1
18M79

84W47
87L97 20 x 25 x 1
44J22 66K63 16 x 25 x 1
18M79

84W47
87L98 25 x 25 x 1
44J22 66K63 16 x 25 x 1
18M79

GAS HEAT ACCESSORIES

Input

High Altitude Pressure Switch Kit

0 - 4500 ft. 4501 - 7500 ft. 7501 - 10,000 ft.

80W52 (upflow)

045 No Change (no change for

80W51

downflow)

070 No Change

80W52

80W51

80W52 (upflow)

090 No Change (no change for

80W51

downflow)

110 No Change

80W52

80W52

135 No Change

80W52

80W51

Natural Gas to LPG/Propane Kit

LPG/Propane to Natural Gas Kit

Natural Gas High Altitude
Orifice Kit

0 - 7500 ft. 7501 - 10,000 ft. 0 - 7500 ft. 7501 - 10,000 ft.

11K49

11K44

73W81

73W37

11K49

11K44

73W81

73W37

11K49

11K44

73W81

73W37

11K49 11K49

11K44 11K44

73W81 73W81

73W37 73W37

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

AIR CONDITIONERS
ML14XC1
MERIT® SERIES
R-410A - Scroll Compressor SEER - Up to 18.00 1.5 to 5 Tons
Page 1 January 2022 Supersedes June 2021

FEATURES Refrigerant System · Scroll Compressor
· Non-chlorine, ozone friendly, R-410A refrigerant
· QuantumTM Coil - Aluminum tube construction with enhanced rippleedged aluminum fins
· Units applicable to expansion valve systems or RFC systems when matched with specific indoor coils
· Fully serviceable brass service valves
· High pressure switch
· Liquid line drier shipped with unit
· Totally enclosed, direct drive outdoor fan motor with sleeve bearings
Cabinet · Heavy-gauge galvanized steel with
powder paint finish
· Steel louvered panels provide complete coil protection
· Louvered steel top fan guard
· PermaGuardTM zinc-coated base
· Corner patch plate allows access to compressor

LIMITED WARRANTY
· Compressor - Five years
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

AHRI RATINGS · AHRI Certified system match-ups
and expanded ratings, visit www. LennoxPros.com
ACCESSORIES · See page 9 Cabinet · Unit Stand-Off Kit Compressor · Compressor Crankcase Heater · Compressor Hard Start Kit · Compressor Low Ambient Cut-Off · Compressor Sound Cover · Compressor Time-Off Control Controls · Freezestat · Indoor Blower Off Delay Relay · Low Ambient Kit · Loss of Charge Switch Kit · iComfort® M30 Smart Wi-Fi
Thermostat Refrigerant System · Expansion Valve Kits · Refrigerant Line Kits
DIMENSIONS

Model No.

A

B

ML14XC1-018

29-1/4 (743)

24-1/4 (616)

ML14XC1-024 ML14XC1-036

29-1/4 (743)

28-1/4 (718)

ML14XC1-030 ML14XC1-041 ML14XC1-042 ML14XC1-048

37-1/4 (946)

28-1/4 (718)

ML14XC1-047

33-1/4 (845)

32-1/4 (817)

ML14XC1-059 43-1/4 32-1/4

ML14XC1-060 (1099) (817)

B

A B

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Air Conditioners

Page 2

January 2022

Supersedes June 2021

SPECIFICATIONS

General

Model No.

All Regions ML14XC1-018 ML14XC1-024 ML14XC1-030 ML14XC1-036 ML14XC1-041

Data

Southeast and North Regions ML14XC1S018 ML14XC1S024 ML14XC1S030 ML14XC1S036

- - -

Nominal Tonnage

1.5

2

2.5

3

3.5

1 Sound Rating Number (dBA)

73

76

76

76

74

Connections

Liquid line o.d. - in.

3/8

3/8

3/8

3/8

3/8

(sweat)

Suction line o.d. - in.

3/4

3/4

3/4

7/8

7/8

2 Refrigerant (R-410A) furnished

4 lbs. 9 oz. 4 lbs. 9 oz. 5 lbs. 8 oz. 7 lbs. 1 oz. 9 lbs. 0 oz.

Indoor Unit Expansion Valve (TXV) (If needed)

12J18

12J18

12J18

12J19

12J20

Outdoor

Diameter - in. (No. of blades) 18 (3)

22 (3)

22 (3)

22 (3)

22 (3)

Fan

Motor hp

1/10

1/6

1/6

1/6

1/6

Shipping Data - lbs. 1 package

134

152

169

175

192

ELECTRICAL DATA

Line voltage data - 60 Hz - 1ph 2 Maximum overcurrent protection (MOCP) amps
3 Minimum circuit ampacity (MCA)

208/230V 20 11.9

208/230V 25 14.6

208/230V 25 17

208/230V 30 18.0

208/230V 30 19.3

Compressor

Rated load amps

9.0

Locked rotor amps

48

10.9

12.8

13.6

14.7

59.3

67.8

79

75

Power factor

0.97

0.97

0.97

0.96

0.96

Condenser Fan Motor

Full load amps

0.7

1

1

1

1

Locked rotor amps

1.3

1.9

1.9

1.9

1.9

SPECIFICATIONS

General

Model No.

All Regions ML14XC1-042 ML14XC1-047 ML14XC1-048 ML14XC1-059 ML14XC1-060

Data

Southeast and North Regions ML14XC1S042

- - -

- - -

- - -

- - -

Nominal Tonnage

3.5

4

4

5

5

1 Sound Rating Number (dBA)

76

80

78

77

80

Connections

Liquid line o.d. - in.

3/8

3/8

3/8

3/8

3/8

(sweat)

Suction line o.d. - in.

2 Refrigerant (R-410A) furnished

Indoor Unit Expansion Valve (TXV) (If needed)

Outdoor

Diameter - in. (No. of blades)

7/8
8 lbs. 12 oz. 12J20 22 (3)

7/8
11 lbs. 0 oz. 12J20 26 (4)

7/8
9 lbs. 12 oz. 12J20 22 (4)

1-1/8
11 lbs. 13 oz. 12J20 26 (4)

1-1/8
12 lbs. 0 oz. 12J20 26 (4)

Fan

Motor hp

1/6

1/3

1/4

1/3

1/3

Shipping Data - lbs. 1 package

211

231

218

253

267

ELECTRICAL DATA

Line voltage data - 60 Hz - 1ph 3 Maximum overcurrent protection (MOCP) amps
4 Minimum circuit ampacity (MCA)

208/230V 40 23.4

208/230V 35 21.9

208/230V 40 24.2

208/230V 45 28.8

208/230V 50 29.6

Compressor

Rated load amps

17.9

16.1

18.0

20.8

22.2

Locked rotor amps

112

105.5

117

127.1

127.9

Power factor

0.96

0.98

0.96

0.98

0.98

Condenser

Full load amps

1

1.8

1.7

2.8

1.8

Fan Motor

Locked rotor amps

1.9

2.9

3.2

- - -

2.9

NOTE - Extremes of operating range are plus 10% and minus 5% of line voltage.

1 Sound Rating Number rated in accordance with test conditions included in AHRI Standard 270.

2 Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements see the Installation Instructions for information about line set length and additional refrigerant charge required.

3 HACR type circuit breaker or fuse.

4 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

AIR CONDITIONERS
16ACX
MERIT® SERIES
R-410A - Two-Stage Scroll Compressor SEER - Up to 18.00 2 to 5 Tons
Page 3 January 2022 Supersedes June 2021

FEATURES Refrigerant System · Two-Stage scroll compressor
· Crankcase heater (-048-060)
· Non-chlorine, ozone friendly, R-410A refrigerant
· Copper tube construction with enhanced ripple-edged aluminum fins
· Fully serviceable brass service valves
· Factory installed, hi-capacity liquid line drier
· High Pressure Switch
· Low pressure Switch Cabinet · Heavy-gauge galvanized steel with
powder paint finish
· Steel louvered panels provide complete coil protection
· Louvered steel top fan guard
· PermaGuardTM zinc-coated base
· Corner patch plate allows access to compressor

LIMITED WARRANTY
· Compressor - Five years
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.
AHRI RATINGS
· AHRI Certified system match-ups and expanded ratings, visit www. LennoxPros.com

ACCESSORIES · See page 9 Cabinet · Unit Stand-Off Kit Compressor · Compressor Crankcase Heater (024-
036) · Compressor Hard Start Kit · Compressor Low Ambient Cut-Off · Compressor Time-Off Control · Sound Cover Controls · Freezestat · Indoor Blower Off Delay Relay · Indoor Blower Speed Relay Kit · Low Ambient Kit · iComfort® M30 Smart Wi-Fi
Thermostat Refrigerant System · Expansion Valve Kits · Refrigerant Line Kits
DIMENSIONS

Model No. 16ACX-024 16ACX-036 16ACX-048 16ACX-060

A
29-1/4 (743)
29-1/4 (743)
37-1/4 (946)
43-1/4 (1099)

B
24-1/4 (616)
28-1/4 (718)
28-1/4 (718)
32-1/4 (817)

B

A B

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Air Conditioners

SPECIFICATIONS

Page 4 January 2022 Supersedes June 2021

General Data

Model No.

All Regions Nominal Tonnage

16ACX-024 2

16ACX-036 3

16ACX-048 4

16ACX-060 5

1 Sound Rating Number (dBA)

77

76

78

75

Connections (sweat)

Liquid line (o.d.) - in.

3/8

3/8

3/8

3/8

Suction line (o.d.) - in.

3/4

7/8

7/8

1-1/8

Refrigerant

2 R-410A charge furnished 7 lbs. 2 oz.

9 lbs. 0 oz.

10 lbs. 6 oz.

13 lbs. 2 oz.

Indoor Unit Expansion Valve (TXV) (If needed)

12J18

12J19

12J20

12J20

Outdoor Fan

Diameter - in. and No. of blades Motor hp

22 - 3 1/6

22 - 3 1/4

22 - 3 1/4

26 - 3 1/4

Cfm

3260

3450

3800

4375

Rpm

825

825

825

825

Watts

220

290

305

270

Shipping Data - lbs. 1 pkg.

190

190

235

285

ELECTRICAL DATA

Line voltage data - 60 Hz - 1ph 5 230V-1ph

5 230V-1ph

5 230V-1ph

5 230V-1ph

3 Maximum overcurrent protection (MOCP) amps

20

30

40

50

4 Minimum circuit ampacity (MCA)

15.6

20.8

29.2

35.7

Compressor

Rated load amps

10.2

14.2

17

23.5

Locked rotor amps

55

78

109

118

Power factor

0.98

0.95

0.97

0.95

Outdoor Fan Motor

Full load amps

1.0

1.7

1.7

1.4

Locked Rotor amps

1.9

3.2

3.2

3.2

NOTE - Extremes of operating range are plus 10% and minus 5% of line voltage. 1 Sound Rating Number in accordance with test conditions included in AHRI Standard 270. 2 Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements see the Installation Instructions for information about line set length and
additional refrigerant charge required. 3 HACR type breaker or fuse. 4 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. 5 Hard Start Kit is required in applications where the supply voltage is less than 230V.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

AIR CONDITIONERS
13ACXN
MERIT® SERIES
R-410A - Scroll Compressor SEER - Up to 16.00 1.5 to 5 Tons
Page 5 January 2022 Supersedes June 2021

FEATURES Refrigerant System · Scroll Compressor
· Non-chlorine, ozone friendly, R-410A refrigerant
· Units applicable to expansion valve systems or RFC systems when matched with specific indoor coils
· Copper tube construction with enhanced ripple-edged aluminum fins
· Fully serviceable brass service valves
· Liquid line drier shipped with unit
· High Pressure Switch
· Totally enclosed, direct drive outdoor fan motor with sleeve bearings
Cabinet · Heavy-gauge galvanized steel with
powder paint finish
· Steel louvered panels provide complete coil protection
· Louvered steel top fan guard
· PermaGuardTM zinc-coated base
· Corner patch plate allows access to compressor

LIMITED WARRANTY
· Compressor - Five years
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

AHRI RATINGS · AHRI Certified system match-ups
and expanded ratings, visit www. LennoxPros.com
ACCESSORIES · See page 9 Cabinet · Unit Stand-Off Kit Compressor · Compressor Crankcase Heater · Compressor Hard Start Kit · Compressor Low Ambient Cut-Off · Compressor Sound Cover · Compressor Time-Off Control Controls · Freezestat · Indoor Blower Off Delay Relay · Low Ambient Kit · Loss of Charge Switch Kit · iComfort® M30 Smart Wi-Fi
Thermostat Refrigerant System · Expansion Valve Kits · Refrigerant Line Kits
DIMENSIONS

Model No.

A

B

13ACXN018 13ACXN024

25-1/4 (616)

24-1/4 (616)

13ACXN030 13ACXN036

29-1/4 (743)

24-1/4 (616)

13ACXN042

29-1/4 (743)

28-1/4 (718)

13ACXN048

33-1/4 (845)

28-1/4 (718)

13ACXN060 29-1/4 28-1/4

(743)

(718)

B

A B

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Air Conditioners

SPECIFICATIONS

Page 6 January 2022 Supersedes June 2021

General Data

Model No. Northern Region 13ACXN018 13ACXN024 13ACXN030 13ACXN036 13ACXN042 13ACXN048 13ACXN060

Nominal Tonnage 1.5

2

2.5

3

3.5

4

5

1 Sound Rating Number (dBA)

76

76

76

76

79

79

79

Connections (sweat)

Liquid line o.d. - in. 3/8

3/8

3/8

3/8

3/8

3/8

3/8

Suction line o.d. - in. 5/8

5/8

3/4

3/4

3/4

7/8

7/8

2 Refrigerant (R-410A) furnished

3 lbs. 15 oz. 3 lbs. 15 oz. 5 lbs. 2 oz. 5 lbs. 4 oz. 6 lbs. 8 oz. 7 lbs. 12 oz. 9 lbs. 0 oz.

Indoor Unit Expansion Valve (TXV) (If needed) 12J18

12J18

12J18

12J19

12J20

12J20

12J20

RFCIV Metering Orifice Size Furnished

0.051

0.057

0.059

0.072

0.076

0.082

0.090

Outdoor Fan

Diameter - in. 18

18

18

18

22

22

22

Number of blades

3

3

4

4

4

4

4

Motor hp 1/10

1/10

1/5

1/5

1/4

1/4

1/4

Shipping Data - lbs. 1 package

138

138

144

151

188

195

218

ELECTRICAL DATA

Line voltage data - 60 hz - 1ph 208/230V 208/230V 208/230V 208/230V 208/230V 208/230V 208/230V

3 Maximum overcurrent protection (MOCP) amps 20

25

25

35

40

50

60

4 Minimum circuit ampacity (MCA) 12.4

14.7

17.1

20.4

25.7

31.9

34.6

Compressor

Rated load amps 9.4

11.2

12.8

15.4

19.2

24.2

26.3

Condenser Fan Motor

Full load amps 0.7

0.7

1.1

1.1

1.7

1.7

1.7

NOTE ­ Extremes of operating range are plus 10% and minus 5% of line voltage. 1 Sound Rating Number rated in accordance with test conditions included in AHRI Standard 270. 2 Refrigerant charge sufficient for 15 ft. length of refrigerant lines. 3 HACR type circuit breaker or fuse. 4 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

-024 -036 -048 -060 -024 -036 -048 -060 -024 -030 -036 -042 -048 -060

RESIDENTIAL PRODUCT CATALOG

OPT IONAL AC C ES S ORIES - ORDER S EPAR ATELY

Model No.

XC20 XC25

AIR CONDITIONERS

OPTIONAL ACCESSORIES
Page 7 January 2022 Supersedes June 2021

XC21

SL18CX1

iComfort® S30 Ultra-Smart Wi-Fi Thermostat 12U67              

1 Remote Outdoor Air Sensor X2658



2 Discharge Air Temperature Sensor 88K38              

Compressor Crankcase Heater

93M04

Factory

FFFF

Compressor Hard Start Kit

63W22



12J90



Copeland 10J42



LG 88M91



Compressor Low Ambient Cut-Off

45F08

Compressor Time-Off Control

47J27



47J35

3 Freezestat

3/8 in. tubing 93G35              

5/8 in. tubing 50A93              

Indoor Blower Off Delay Relay

58M81



Indoor Blower Speed Relay

31960



Loss of Charge Kit

84M23

Factory

FFFF

3 Low Ambient Kit (TXV systems only)

68M04 34M72



Refrigerant Line Sets

L15-41-20 L15-41-30

L15-41-40 L15-41-50



L15-65-30

L15-65-40    L15-65-50





Field Fabricate







1 Remote Outdoor Temperature Sensor is used with conventional (non-iComfort® Communicating) outdoor units (sensor is furnished with iComfort® Communicating outdoor units). Allows the thermostat to display outdoor temperature. Required in dual-fuel and Humiditrol® applications.
2 Optional for service diagnostics. 3 Crankcase Heater (if not furnished) and Freezestat are recommended with Low Ambient Kit.
F = Factory Installed

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

-018 -024 -030 -036 -041 -042 -047 -048 -060 -024 -036 -048 -060 -018 -024 -030 -036 -041 -042 -047 -048 -060 N018 N024 N030 N036 N042 N048 N060

RESIDENTIAL PRODUCT CATALOG

O P T IO NAL ACCES S ORIES - ORDER S EPAR ATELY

Model No.

EL16XC1

XC16

AIR CONDITIONERS

OPTIONAL ACCESSORIES
Page 8 January 2022 Supersedes June 2021

XC14

XC13

Compressor Crankcase Heater

93M04      







93M05



Factory

FFF

FF

FFF

Compressor Hard Start Kit

Copeland 10J42   



  

LG 88M91         

  

63W22



63W24



Compressor Sound Cover

18J42





Compressor Low Ambient Cut-Off 45F08                             

Compressor Time-Off Control

47J27



47J35         

3 Freezestat

3/8 in. tubing 93G35                             

5/8 in. tubing 50A93                             

Indoor Blower Off Delay Relay

58M81                             

Indoor Blower Speed Relay

40K58



Loss of Charge Kit

84M23         



1 Low Ambient Kit (TXV systems only)

34M72                             

Refrigerant Line Sets

L15-41-20 L15-41-30

L15-41-40    L15-41-50







L15-65-30

L15-65-40 L15-65-50









Field Fabricate





1 Crankcase Heater (if not furnished) and Freezestat are recommended with Low Ambient Kit. F = Factory Installed





NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

OPT IONAL AC C ES S ORIES - ORDER S EPAR ATELY

Model No.

16ACX

ML14XC1

AIR CONDITIONERS
OPTIONAL ACCESSORIES
Page 9 January 2022 Supersedes June 2021
13ACX

-024 -036 -048 -060 -018 -024 -030 -036 -041 -042 -047 -048 -059 -060 N018 N024 N030 N036 N042 N048 N060

Compressor Crankcase Heater

93M04  







93M05



Factory

FF

F

FFFF

Compressor Hard Start Kit

Copeland - 10J42 LG - 88M91 63W22 









 

63W24



Compressor Sound Cover
Compressor Low Ambient Cut-Off
Compressor Time-Off Control
Freezestat 3/8 in. tubing
5/8 in. tubing
Indoor Blower Off Delay Relay
Loss of Charge Switch Kit
1 Low Ambient Kit (TXV systems only)

18J42                      45F08                     

47J27                     

93G35                      50A93                      58M81                     

84M23



34M72            



68M04



Refrigerant Line Sets

L15-26-20 L15-26-35
L15-26-35 L15-26-50



L15-41-20  L15-41-30
L15-41-40 L15-41-50





L15-65-30
L15-65-40 L15-65-50







Field Fabricate





Unit Stand-Off Kit

94J45                     

1 Crankcase Heater and Freezestat are recommended with Low Ambient Kit. F = Factory Installed

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES Refrigerant System · Scroll Compressor · Non-chlorine, ozone friendly, R-410A
refrigerant · QuantumTM Coil - Aluminum tube
construction with enhanced rippleedged aluminum fins · Fully serviceable brass service valves · Factory installed, hi-capacity liquid line drier · Totally enclosed, direct drive outdoor fan motor with ball bearings · Outdoor unit expansion valve · Four-way interchange reversing valve Controls · Defrost control with integrated antishort cycle · High Pressure Switch · Low Pressure Switch Cabinet · Steel louvered panels provide complete coil protection · Louvered steel top fan guard · PermaGuardTM zinc-coated base · Heavy-gauge galvanized steel with powder paint finish · Corner patch plate allows access to compressor components

HEAT PUMP OUTDOOR UNITS
ML16XP1
MERIT® SERIES

R-410A SEER - Up to 17.00
1.5 to 5 Tons
Page 1
January 2022 Supersedes June 2021

LIMITED WARRANTY
· Compressor - Five years
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

ACCESSORIES · See page 7 Cabinet · Unit Stand-off Kit Compressor · Compressor Crankcase Heater · Compressor Hard Start Kit · Compressor Low Ambient Cut-Off · Compressor Sound Cover Controls · iComfort® M30 Smart Wi-Fi
Thermostat · Freezestat · Indoor Blower Off Delay Relay · Loss of Charge Switch · Low Ambient Kit · Mild Weather Kit · Monitor Kit (Service Light) · Outdoor Thermostat Kit Refrigerant System · Check/Expansion Valve Kits · Refrigerant Line Kits

AHRI RATINGS
· AHRI Certified system match-ups and expanded ratings, visit www. LennoxPros.com

DIMENSIONS

Model No. ML16XP1-018
ML16XP1-024 ML16XP1-030 ML16XP1-036
ML16XP1-042 ML16XP1-048 ML16XP1-060

A
43-1/4 (1099)
33-1/4 (845)
33-1/4 (845)
43-1/4 (1099)

B
28-1/4 (718)
28-1/4 (718)
32-1/4 (819)
32-1/4 (819)

B

A B

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Heat Pump Outdoor Units
Page 2 January 2022 Supersedes June 2021

SPECIFICATIONS

General Data

Model No. Nominal Tonnage

Indoor Unit Expansion Valve (TXV) (If needed)

1 Sound Rating Number (dBA)

Connections (sweat)

Liquid line (o.d.) - in. Vapor (Suction) line (o.d.) - in.

Refrigerant

2 R-410A charge furnished

Outdoor Fan

Diameter - in. No. of blades

Motor hp

Shipping Data - lbs. 1 pkg.

ELECTRICAL DATA

Line voltage data - 60hz - 1 ph

3 Maximum overcurrent protection (amps)

4 Minimum circuit ampacity

Compressor

Rated load amps

Locked rotor amps

Power factor

Outdoor Fan Motor

Full load amps

Locked rotor amps

ML16XP1-018 1.5
12J18 76 3/8 3/4
6 lbs. 6 oz. 22 3 1/6 180
208/230V-1ph 20 12.2 9 48 0.98 1.0 1.9

ML16XP1-024 2
12J18 76 3/8 3/4
6 lbs. 11 oz. 22 3 1/6 188
208/230V-1ph 20 13.6 10.1 52 0.98 1.0 1.9

ML16XP1-030 2.5
12J18 76 3/8 3/4
7 lbs. 10 oz. 22 3 1/6 188
208/230V-1ph 25 16.4 12.3 63 0.96 1.0 1.9

ML16XP1-036 3
12J19 76 3/8 7/8
8 lbs. 7 oz. 26 3 1/3 214
208/230V-1ph 35 20.9 14.7 75 0.99 2.6 - - -

SPECIFICATIONS

General Data

Model No. Nominal Tonnage

ML16XP1-042 3.5

ML16XP1-048 4

ML16XP1-060 5

Indoor Unit Expansion Valve (TXV) (If needed)

12J20

12J20

12J20

1 Sound Rating Number (dBA)

79

80

80

Connections (sweat)

Liquid line (o.d.) - in.

3/8

Vapor (Suction) line (o.d.) - in.

7/8

3/8

3/8

7/8

1-1/8

Refrigerant

2 R-410A charge furnished

10 lbs. 12 oz.

10 lbs. 7 oz.

10 lbs. 4 oz.

Outdoor Fan

Diameter - in.

26

26

26

No. of blades

3

3

4

Motor hp

1/3

1/3

1/3

Shipping Data - lbs. 1 pkg.

263

263

268

ELECTRICAL DATA

Line voltage data - 60hz - 1 ph

208/230V-1ph

208/230V-1ph

208/230V-1ph

3 Maximum overcurrent protection (amps)

40

40

50

4 Minimum circuit ampacity

25

25.8

30.4

Compressor

Rated load amps

15.9

18.5

22.2

Locked rotor amps

112.3

124

127.9

Power factor

0.99

0.99

0.99

Outdoor Fan Motor

Full load amps

2.6

2.6

2.6

NOTE - Extremes of operating range are plus 10% and minus 5% of line voltage.

1 Sound Rating Number rated in accordance with test conditions included in AHRI Standard 270.

2 Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements see the Installation Instructions for information about line set length and additional refrigerant charge required.

3 HACR type breaker or fuse.

4 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

HEAT PUMP OUTDOOR UNITS
ML14XP1
MERIT® SERIES
R-410A SEER - Up to 16.00
1.5 to 5 Tons
Page 3 January 2022 Supersedes June 2021

FEATURES Refrigerant System · Scroll Compressor
· Compressor crankcase heater (-036042-48-060)
· Non-chlorine, ozone friendly, R-410A refrigerant
· Copper tube construction with enhanced ripple-edged aluminum fins
· Fully serviceable brass service valves
· Factory installed, hi-capacity liquid line drier
· Totally enclosed, direct drive outdoor fan motor with sleeve bearings
· Outdoor unit expansion valve
· Four-way interchange reversing valve
Controls · Defrost control with integrated anti-
short cycle
· High Pressure Switch
· Low Pressure Switch Cabinet · Steel louvered panels provide
complete coil protection
· Louvered steel top fan guard
· PermaGuardTM zinc-coated base
· Heavy-gauge galvanized steel with powder paint finish
· Corner patch plate allows access to compressor components

LIMITED WARRANTY
· Compressor - Five years
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.
AHRI RATINGS
· AHRI Certified system match-ups and expanded ratings, visit www. LennoxPros.com

Model No. ML14XP1-018 ML14XP1-024 ML14XP1-030
ML14XP1-036
ML14XP1-042 ML14XP1-048 ML14XP1-060

A
43-1/4 (1099)

B
28-1/4 (718)

37-1/4 (946)
37-1/4 (946)
43-1/4 (1099)

28-1/4 (718)
32-1/4 (819)
32-1/4 (819)

ACCESSORIES · See page 7 Cabinet · Unit Stand-off Kit Compressor · Compressor Crankcase Heater
(-018-024-030) · Compressor Hard Start Kit · Compressor Low Ambient Cut-Off · Compressor Sound Cover Controls · iComfort® M30 Smart Wi-Fi
Thermostat · Freezestat · Indoor Blower Off Delay Relay · Loss of Charge Switch · Low Ambient Kit · Mild Weather Kit · Monitor Kit (Service Light) · Outdoor Thermostat Kit Refrigerant System · Check/Expansion Valve Kits · Refrigerant Line Kits
DIMENSIONS
A

B

B

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

SPECIFICATIONS

General

Model No.

Data

Nominal Tonnage

Indoor Unit Expansion Valve (TXV) (If needed)

1 Sound Rating Number (dBA)

Connections

Liquid line o.d. - in.

(sweat) 2 Refrigerant Outdoor
Fan

Vapor line o.d. - in. R-410A charge furnished Diameter - in. and No. of blades
Motor hp Cfm

Rpm

Watts

Shipping Data - lbs. 1 package

ELECTRICAL DATA

Line voltage data - 60 hz - 1ph 3 Maximum overcurrent protection (amps)
4 Minimum circuit ampacity

Compressor

Rated Load Amps Locked Rotor Amps

Power Factor

Outdoor

Full Load Amps

Fan Motor

Locked Rotor Amps

ML14XP1-018 1.5
12J18 76 3/8 3/4
6 lbs. 10 oz. 22 - 3 1/6 2670 867 160 213
208/230V 20 12.2 9.0 48 0.98 1.0 1.9

Product Catalog - Heat Pump Outdoor Units
Page 4 January 2022 Supersedes June 2021

ML14XP1-024 2
12J18 76 3/8 3/4
6 lbs. 2 oz. 22 - 3 1/6 2670 867 160 213

ML14XP1-030 2.5
12J18 76 3/8 3/4
6 lbs. 9 oz. 22 - 3 1/6 2890 847 200 213

ML14XP1-036 3
12J19 76 3/8 7/8
8 lbs. 8 oz. 22 - 3 1/6 2870 839 205 229

208/230V 20 13.6 10.1 52 0.98 1.0 1.9

208/230V 25 17.0 12.8 67.8 0.96 1.0 1.9

208/230V 30 18.6 14.1 72.2 0.99 1.0 1.9

SPECIFICATIONS

General

Model No. ML14XP1-042

ML14XP1-048

Data

Nominal Tonnage

3.5

4

Indoor Unit Expansion Valve (TXV) (If needed) 1 Sound Rating Number (dBA)

12J20 79

12J20 80

Connections

Liquid line o.d. - in.

3/8

3/8

(sweat) 2 Refrigerant
Outdoor

Vapor line o.d. - in. R-410A charge furnished Diameter - in. and No. of blades

7/8 9 lbs. 3 oz.
22 - 4

7/8 9 lbs. 15 oz.
22 - 4

Fan

Motor hp

1/3

1/3

Cfm

4347

4347

Rpm

843

843

Watts

299

299

Shipping Data - lbs. 1 package

272

273

ELECTRICAL DATA

Line voltage data - 60 hz - 1ph 3 Maximum overcurrent protection (amps)
4 Minimum circuit ampacity

208/230V 45 25.8

208/230V 45 26.2

Compressor

Rated Load Amps

19.2

19.6

Locked Rotor Amps

123.9

130

Power Factor

0.99

0.99

Outdoor

Full Load Amps

1.8

1.8

Fan Motor

Locked Rotor Amps

2.9

2.9

NOTE - Extremes of operating range are plus 10% and minus 5% of line voltage.

1 Sound Rating Number rated in accordance with test conditions included in AHRI Standard 270.

2 Refrigerant charge sufficient for 15 ft. length of refrigerant lines.

3 HACR type circuit breaker or fuse.

4 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.

ML14XP1-060
5
12J20 80 3/8
1-1/8 11 lbs. 4 oz.
22 - 4 1/3 4500 830 307 295
208/230V 50 29.6 22.2
127.9 0.99 1.8 2.9

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

HEAT PUMP OUTDOOR UNITS
16HPX
MERIT® SERIES
R-410A - Two-Stage Scroll Compressor SEER - Up to 17.00 2 to 5 Tons
Page 5 January 2022 Supersedes June 2021

FEATURES Refrigerant System · Two-Stage scroll compressor with
crankcase heater
· Non-chlorine, ozone friendly, R-410A refrigerant
· Factory installed, hi-capacity liquid line drier
· Copper tube construction with enhanced ripple-edged aluminum fins
· Fully serviceable brass service valves
· Outdoor unit expansion valve
· Four-way interchange reversing valve
Controls · High Pressure Switch
· Low Pressure Switch
· Discharge Temperature Switch
· Defrost control with integrated antishort cycle
Cabinet · Steel louvered panels provide
complete coil protection
· Louvered steel top fan guard
· PermaGuardTM zinc-coated base
· Heavy-gauge galvanized steel with powder paint finish
· Corner patch plate allows access to compressor components

LIMITED WARRANTY
· Compressor - Five years
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.
AHRI RATINGS
· AHRI Certified system match-ups and expanded ratings, visit www. LennoxPros.com

Model No. 16HPX-024 16HPX-036 16HPX-048 16HPX-060

A
33-1/4 (845)
33-1/4 (845)
33-1/4 (845)
43-1/4 (1099)

B
24-1/4 (616)
32-1/4 (819)
32-1/4 (819)
32-1/4 (819)

ACCESSORIES · See page 7 Cabinet · Unit Stand-Off Kit Compressor · Compressor Hard Start Kit · Compressor Low Ambient Cut-Out · Compressor Sound Cover Controls · iComfort® M30 Smart Wi-Fi
Thermostat · Freezestat · Low Ambient Kit · Indoor Blower Off Delay Relay · Indoor Blower Speed Relay Kit · Mild Weather Kit · Monitor Kit (Service Light) · Outdoor Thermostat Kit Refrigerant System · Check/Expansion Valve Kits · Refrigerant Line Kits
DIMENSIONS
A

B

B

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Heat Pump Outdoor Units

SPECIFICATIONS

Page 6 January 2022 Supersedes June 2021

General Data

Model No. Nominal Tonnage

16HPX-024 2

16HPX-036 3

16HPX-048 4

16HPX-060 5

Indoor Unit Expansion Valve (TXV) (If needed)

12J18

12J19

12J20

12J20

1 Sound Rating Number (dBA)

74

82

81

80

Connections (sweat)

Liquid line (o.d.) - in.

3/8

3/8

3/8

3/8

Vapor line (o.d.) - in.

3/4

7/8

7/8

1-1/8

² Refrigerant

R-410A charge furnished 7 lbs. 14 oz.

10 lbs. 8 oz.

9 lbs. 9 oz.

11 lbs. 8 oz.

Outdoor Fan

Diameter - in.

18

22

26

26

No. of blades

3

4

3

3

Motor hp

1/10

1/4

1/3

1/3

Cfm - 1st stage

2232

4500

4500

3690

2nd stage

- - -

- - -

- - -

4250

Rpm - 1st stage

1075

825

825

700

2nd stage

- - -

- - -

- - -

820

Watts - 1st stage

145

290

290

130

2nd stage

- - -

- - -

- - -

195

Shipping Data - lbs. 1 pkg.

173

233

256

284

ELECTRICAL DATA

Line voltage data - 60hz 5 230V-1ph

5 230V-1ph

5 230V-1ph

5 230V-1ph

3 Maximum overcurrent protection (amps)

25

35

45

60

4 Minimum circuit ampacity

15.3

22.5

28.3

36.7

Compressor

Rated load amps

11.7

16.6

21.2

27.1

Locked rotor amps

58

83

104

153

Power factor

0.98

0.99

0.99

0.99

Outdoor Coil Fan Motor

Full load amps

0.7

1.7

1.8

2.8

NOTE - Extremes of operating range are plus 10% and minus 5% of line voltage. 1 Sound Rating Number in accordance with test conditions included in AHRI Standard 270. 2 Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements see the Installation Instructions for information about line set length and
additional refrigerant charge required. 3 HACR type breaker or fuse. 4 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. 5 Hard start kit is required in applications where the supply voltage is less than 230V.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

-024 -036 -048 -060 -018 -024 -030 -036 -042 -048 -060 -018 -024 -030 -036 -042 -048 -060

HEAT PUMP OUTDOOR UNITS

RESIDENTIAL PRODUCT CATALOG

O PT IONAL AC C ES S ORIES - ORDER S EPARATELY

Model No.

16HPX

OPTIONAL ACCESSORIES
Page 7 January 2022 Supersedes June 2021

ML16XP1

ML14XP1

1 Compressor Crankcase Heater

93M04 93M05

 

Factory

FFFF

FFFF

Compressor Hard Start Kit Copeland 10J42







LG 88M91







63W22 

63W24



Compressor Sound Cover

18J42                  

1 Freezestat

3/8 in. tubing 93G35                  

5/8 in. tubing 50A93                  

Indoor Blower Off Delay Relay

58M81                  

Loss of Charge Kit

84M23



1 Low Ambient Kit

54M89   



68M04



Mild Weather Kit

11B97                  

Monitor Kit - Service Light

76F53                  

Outdoor Thermostat Kit

Thermostat Mounting Box

10Z23                   31461                  

Refrigerant Line Sets

L15-41-20 L15-41-30

L15-41-40 L15-41-50







L15-65-30

L15-65-40 L15-65-50







Field Fabricate



Unit Stand-Off Kit

94J45                  

1 Crankcase Heater (if not furnished) and Freezestat are recommended with Low Ambient Kit. F = Factory Installed.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

INDOOR COILS
CX35 (CASED)

RESIDENTIAL PRODUCT CATALOG
FEATURES Refrigerant System · QuantumTM Coil - Aluminum tubing,
hairpins, distributor and header tubes
· Copper refrigerant sweat connections on both liquid and suction lines for easy brazing
· Ripple-edged aluminum fins
· Twin coil construction in an "A" configuration for large surface area
· UV-resistant polymer drain pan with dual fpt drain connections
· Factory installed R-410A Check/ Expansion Valve furnished
Cabinet · Pre-painted cabinet finish
· Fully insulated with thick fiberglass insulation
Coil Match-Up · All CX35 cased upflow indoor coils
match furnaces with same letter designation in model number

Upflow - Cased - R-410A - Factory TXV - QuantumTM Coil 1.5 to 5 Tons
Page 1 January 2022
Supersedes June 2021

DIMENSIONS
19-1/2
(495) D
A

LIMITED WARRANTY

· All covered components - Five years

NOTE - Refer to Lennox Equipment

Limited Warranty certificate included with equipment for

C

B

details.

Cased Model No.

A

in.

mm

B

C

in.

mm in. mm

D

in.

mm

Inlet - W

in.

mm

CX35-18/24A-6F

16-1/2 419 14-1/2 368 21 533

13

330 13-3/8 340

CX35-18/24B-6F

16-1/2 419 17-1/2 445 21 533

16

406 16-3/8 416

CX35-24A-6F

18-1/2 470 14-1/2 368 21 533

13

330 13-3/8 340

CX35-24B-6F

18-1/2 470 17-1/2 445 21 533

16

406 16-3/8 416

CX35-30A-6F

22-1/2 572 14-1/2 368 21 533

13

330 13-3/8 340

CX35-30B-6F

22-1/2 572 17-1/2 445 21 533

16

406 16-3/8 416

CX35-30/36A-6F

24-1/2 622 14-1/2 368 21 533

13

330 13-3/8 340

CX35-30/36B-6F

24-1/2 622 17-1/2 445 21 533

16

406 16-3/8 416

CX35-30/36C-6F

24-1/2 622

21

533 21 533 19-1/2 495 19-7/8 505

CX35-36A-6F

24-1/2 622 14-1/2 368 21 533

13

330 13-3/8 340

CX35-36B-6F

24-1/2 622 17-1/2 445 21 533

16

406 16-3/8 416

CX35-48B-6F

27-1/2 699 17-1/2 445 21 533

16

406 16-3/8 416

CX35-48C-2F

27-1/2 699

21

533 21 533 19-1/2 495 19-7/8 505

CX35-49C-2F

29-1/2 749

21

533 22 559 19-1/2 495 19-7/8 505

CX35-50/60C-6F

27-1/2 699

21

533 21 533 19-1/2 495 19-7/8 505

CX35-60C-2F

31-1/2 800

21

533 22 559 19-1/2 495 19-7/8 505

CX35-60D-6F

29-1/2 749 24-1/2 622 21 533

23

584 23-3/8 594

NOTE- CX35-60D coil is positioned with coil running left to right inside the cabinet, all other coil sizes are positioned like drawing.

Inlet - D

in.

mm

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

21-7/16 545

20-7/16 519

21-7/16 545

20-7/16 519

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

SPECIFICATIONS

General Data

Model No.

Nominal size - Tons

Factory Installed Expansion Valve

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

Shipping Data - lbs.

CX35-18/24A-6F 1.5 / 2 12J18 3/4 3/8 (2) 3/4 30

CX35-18/24B-6F 1.5 / 2 12J18 3/4 3/8 (2) 3/4 34

Product Catalog - Indoor Coils
Page 2 January 2022 Supersedes June 2021

CX35-24A-6F 2
12J18 3/4 3/8
(2) 3/4 38

1.5 TO 2 TON
CX35-24B-6F 2
12J18 3/4 3/8
(2) 3/4 43

SPECIFICATIONS

General Data

Model No.

Nominal size - Tons

Factory Installed Expansion Valve

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

Shipping Data - lbs.

CX35-30A-6F 2.5
12J18 3/4 3/8
(2) 3/4 45

CX35-30B-6F 2.5
12J18 3/4 3/8
(2) 3/4 50

CX35-30/36A-6F 2.5 / 3 12J19 3/4 3/8 (2) 3/4 41

2.5 TO 3 TON
CX35-30/36B-6F 2.5 / 3 12J19 3/4 3/8 (2) 3/4 45

SPECIFICATIONS

General Data

Model No. CX35-30/36C-6F CX35-36A-6F

Nominal size - Tons

2.5 / 3

3

Factory Installed Expansion Valve

12J19

12J19

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

3/4 3/8 (2) 3/4

3/4 3/8 (2) 3/4

Shipping Data - lbs.

48

46

CX35-36B-6F 3
12J19 3/4 3/8
(2) 3/4 50

2.5 TO 4 TON

CX35-48B-6F CX35-48C-6F

3.5 / 4

3.5 / 4

12J20

12J20

7/8

7/8

3/8

3/8

(2) 3/4

(2) 3/4

55

60

SPECIFICATIONS

General Data

Model No. Nominal size - Tons

Factory Installed Expansion Valve

Line

Suction / vapor o.d. - sweat

Connections in.

Liquid o.d. - sweat Condensate drain (fpt)

Shipping Data - lbs.

CX35-49C-6F 4
12J20 7/8 3/8
(2) 3/4 70

CX35-50/60C-6F 4 / 5 12J20 7/8 3/8 (2) 3/4 60

CX35-60C-6F 5
12J20 7/8 3/8
(2) 3/4 73

4 TO 5 TON
CX35-60D-6F 5
12J20 7/8 3/8
(2) 3/4 72

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

INDOOR COILS
C35 (CASED)

RESIDENTIAL PRODUCT CATALOG

FEATURES
Refrigerant System · QuantumTM Coil - Aluminum tubing,
hairpins, distributor and header tubes
· Copper refrigerant sweat connections on both liquid and suction lines for easy brazing
· Ripple-edged aluminum fins
· Twin coil construction in an "A" configuration for large surface area
· UV-resistant polymer drain pan with dual fpt drain connections
· All models applicable to Lennox RFCIV refrigerant metering system
· Optional expansion valve is available
Cabinet · Pre-painted cabinet finish · Fully insulated with thick fiberglass
insulation Coil Match-Up
· All C35 cased upflow indoor coils match furnaces with same letter designation in model number

LIMITED WARRANTY
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

Upflow - Cased - QuantumTM Coil 1.5 to 5 Tons
Page 3 January 2022 Supersedes June 2021
ACCESSORIES · Expansion Valve Kits (required)
DIMENSIONS
19-1/2
(495) D
A

C

B

Model No.

A

in.

mm

B

in.

mm

C

in.

mm

D

in.

mm

C35-18/24A-2F 16-1/2 419 14-1/2 368

21

533

13

330

C35-18/24B-2F 16-1/2 419 17-1/2 445

21

533

16

406

C35-24A-2F

18-1/2 470 14-1/2 368

21

533

13

330

C35-24B-2F

18-1/2 470 17-1/2 445

21

533

16

406

C35-30A-2F

22-1/2 572 14-1/2 368

21

533

13

330

C35-30B-2F

22-1/2 572 17-1/2 445

21

533

16

406

C35-30/36A-2F 24-1/2 622 14-1/2 368

21

533

13

330

C35-30/36B-2F 24-1/2 622 17-1/2 445

21

533

16

406

C35-30/36C-2F 24-1/2 622

21

533

21

533 19-1/2 495

C35-36A-2F

24-1/2 622 14-1/2 368

21

533

13

330

C35-36B-2F

24-1/2 622 17-1/2 445

21

533

16

406

C35-48B-2F

27-1/2 699 17-1/2 445

21

533

16

406

C35-48C-2F

27-1/2 699

21

533

21

533 19-1/2 495

C35-49C-2F

29-1/2 749

21

533

22

559 19-1/2 495

C35-50/60C-2F 27-1/2 699

21

533

21

533 19-1/2 495

C35-60C-2F

31-1/2 800

21

533

22

559 19-1/2 495

C35-60D-2F

29-1/2 749 24-1/2 622

21

533

23

584

NOTE- C35-60D coil is positioned with coil running left to right, all other coil sizes are positioned like drawing.

Inlet - W

in.

mm

13-3/8 340

16-3/8 416

13-3/8 340

16-3/8 416

13-3/8 340

16-3/8 416

13-3/8 340

16-3/8 416

19-7/8 505

13-3/8 340

16-3/8 416

16-3/8 416

19-7/8 505

19-7/8 505

19-7/8 505

19-7/8 505

23

584

Inlet - D

in.

mm

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

20-7/16 519

21-7/16 545

20-7/16 519

21-7/16 545

20-7/16 519

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

SPECIFICATIONS

General Data

Model No.

Nominal size - Tons

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

RFCIV metering device orifice size Shipping Data - lbs.

C35-18/24A-2F 1.5 / 2 3/4 3/8 (2) 3/4
0.053 30

C35-18/24B-2F 1.5 / 2 3/4 3/8 (2) 3/4
0.053 34

Product Catalog - Indoor Coils
Page 4 January 2022 Supersedes June 2021

C35-24A-2F 2 3/4 3/8
(2) 3/4
0.057 38

1.5 TO 2 TON
C35-24B-2F 2 3/4 3/8
(2) 3/4
0.057 43

SPECIFICATIONS

General Data

Model No.

Nominal size - Tons

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

RFCIV metering device orifice size

Shipping Data - lbs.

C35-30A-2F 2.5 3/4 3/8
(2) 3/4 0.067
45

C35-30B-2F 2.5 3/4 3/8
(2) 3/4 0.067
50

C35-30/36A-2F 2.5 / 3 3/4 3/8 (2) 3/4 0.057 41

2.5 TO 3 TON
C35-30/36B-2F 2.5 / 3 3/4 3/8 (2) 3/4 0.057 45

SPECIFICATIONS

General Data

Model No. C35-30/36C-2F

Nominal size - Tons

2.5 / 3

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

3/4 3/8 (2) 3/4

RFCIV metering device orifice size

0.057

Shipping Data - lbs.

48

C35-36A-2F 3 3/4 3/8
(2) 3/4 0.070
46

C35-36B-2F 3 3/4 3/8
(2) 3/4 0.070
50

2.5 TO 4 TON

C35-48B-2F C35-48C-2F

3.5 / 4

3.5 / 4

7/8

7/8

3/8

3/8

(2) 3/4

(2) 3/4

0.071

0.071

55

60

SPECIFICATIONS

General Data

Model No. Nominal size - Tons

Line

Suction / vapor o.d. - sweat

Connections in.

Liquid o.d. - sweat Condensate drain (fpt)

RFCIV metering device orifice size

Shipping Data - lbs.

C35-49C-2F 4 7/8 3/8
(2) 3/4 0.076
70

C35-50/60C-2F 4 / 5 7/8 3/8 (2) 3/4 0.070 60

C35-60C-2F 5 7/8 3/8
(2) 3/4 0.077
73

4 TO 5 TON
C35-60D-2F 5 7/8 3/8
(2) 3/4 0.077
72

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

INDOOR COILS
C35 (UNCASED)

RESIDENTIAL PRODUCT CATALOG

FEATURES
Refrigerant System · QuantumTM Coil - Aluminum tubing,
hairpins, distributor and header tubes
· Copper refrigerant sweat connections on both liquid and suction lines for easy brazing
· Ripple-edged aluminum fins
· Twin coil construction in an "A" configuration for large surface area
· UV-resistant polymer drain pan with dual fpt drain connections
Refrigerant Control Choice
· All models applicable to Lennox RFCIV refrigerant metering system when matched with specific air conditioners
· Optional expansion valve is available
Coil Match-Up
· Uncased coils match furnaces but require adaptor base or field fabricated transition

LIMITED WARRANTY
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

Upflow - Uncased - QuantumTM Coil 1.5 to 5 Tons
Page 5 January 2022 Supersedes June 2021
ACCESSORIES · Adjustable Coil / Adaptor Seal · Expansion Valve Kits
DIMENSIONS
A

B

C

Model No.

A

in.

mm

B

in.

mm

C

in.

mm

C35-18/24A

14-1/8

359

13

330

21-1/4

540

C35-18/24B

14-1/8

359

15-1/2

394

21-1/4

540

C35-24A

16-3/8

416

13

330

21-1/4

540

C35-24B

16-3/8

416

15-1/2

394

21-1/4

540

C35-30A

20-3/4

527

13

330

21-1/4

540

C35-30B

20-3/4

527

15-1/2

394

21-1/4

540

C35-30/36A

22-1/4

565

13

330

21-1/4

540

C35-30/36B

22-1/4

565

15-1/2

394

21-1/4

540

C35-30/36C

22-1/4

565

20

508

21-1/4

540

C35-36A

22-3/8

568

13

330

21-1/4

540

C35-36B

22-3/8

568

15-1/2

394

21-1/4

540

C35-48B

26-1/4

667

15-1/2

394

21-1/4

540

C35-48C

26-1/4

667

20

508

21-1/4

540

C35-49C

28-1/2

724

21-1/2

546

21-1/4

540

C35-50/60C

25-7/8

657

20

508

21-1/4

540

C35-60C

30-5/8

778

21-1/2

546

21-1/4

540

C35-60D

28

711

23

584

19-1/2

495

NOTE- C35-60D coil is positioned with coil running left to right, all other coil sizes are positioned like drawing.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

SPECIFICATIONS

General Data

Model No.

Nominal size - Tons

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

RFCIV metering device orifice size

Shipping Data - lbs.

C35-18/24A-2 1.5 / 2 3/4 3/8 (2) 3/4 0.053 18

C35-18/24B-2 1.5 / 2 3/4 3/8 (2) 3/4 0.053 20

Product Catalog - Indoor Coils
Page 6 January 2022 Supersedes June 2021

C35-24A-2

1.5 TO 2 TON
C35-24B-2

2

2

3/4

3/4

3/8

3/8

(2) 3/4

(2) 3/4

0.057

0.057

23

24

SPECIFICATIONS

General Data

Model No.

Nominal size - Tons

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

RFCIV metering device orifice size

Shipping Data - lbs.

C35-30A-2 2.5 3/4 3/8
(2) 3/4 0.067
31

C35-30B-2 2.5 3/4 3/8
(2) 3/4 0.067
32

C35-30/36A-2 2.5 / 3 3/4 3/8 (2) 3/4 0.057 26

2.5 TO 3 TON
C35-30/36B-2 2.5 / 3 3/4 3/8 (2) 3/4 0.057 27

SPECIFICATIONS

General Data

Model No. C35-30/36C-2

Nominal size - Tons

2.5 / 3

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

3/4 3/8 (2) 3/4

RFCIV metering device orifice size

0.057

Shipping Data - lbs.

Uncased

29

C35-36A-2 3 3/4 3/8
(2) 3/4 0.070
31

C35-36B-2 3 3/4 3/8
(2) 3/4 0.070
33

2.5 TO 4 TON

C35-48B-2

C35-48C-2

3.5 / 4

3.5 / 4

7/8

7/8

3/8

3/8

(2) 3/4

(2) 3/4

0.071

0.071

43

44

SPECIFICATIONS

General Data

Model No.

Nominal size - Tons

Line Connections in.

Suction / vapor o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

RFCIV metering device orifice size

Shipping Data - lbs.

Uncased

C35-49C-2 4 7/8 3/8
(2) 3/4 0.076
53

C35-50/60C-2 4 / 5 7/8 3/8 (2) 3/4 0.070 40

C35-60C-2 5 7/8 3/8
(2) 3/4 0.077
58

4 TO 5 TON
C35-60D-2 5 7/8 3/8
(2) 3/4 0.077
48

OP T IONAL ACCES S ORIES - ORDER S EPARATELY
Adjustable Coil Adaptor/Seal (Ten Pack)

11L09

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

INDOOR COILS
CHX35
Horizontal - Cased - R410A - Factory TXV 1.5 to 5 Tons
Page 7 January 2022 Supersedes June 2021

FEATURES
Refrigerant System
· QuantumTM Coil - Aluminum tubing, hairpins, distributor and header tubes
· Copper refrigerant sweat connections on both liquid and suction lines for easy brazing
· Ripple-edged aluminum fins
· Twin coil construction in an "A" configuration for large surface area
· UV-resistant polymer drain pan with dual fpt drain connections
· Factory installed R-410A Check/ Expansion Valve furnished
Cabinet
· Pre-painted cabinet finish
· Fully insulated with thick fiberglass insulation
Coil Match-Up
· All CHX35 cased horizontal indoor coils match furnaces with same letter designation in model number
LIMITED WARRANTY
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

DIMENSIONS
B

21-1/2

A

(463)

Model No.

A

B

Supply Opening

Return Opening

Height Width Height

Width

in. mm in. mm in. mm in. mm in. mm in. mm

CHX35-18A-6F 26-1/2 673 14-1/2 368 13 330 20 508 13-3/8 340 20-3/8 518

CHX35-24A-6F 26-1/2 673 14-1/2 368 13 330 20 508 13-3/8 340 20-3/8 518

CHX35-24B6F 26-1/2 673 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

CHX35-30A-6F 31-1/2 800 14-1/2 368 13 330 20 508 13-3/8 340 20-3/8 518

CHX35-30B-6F 26-1/2 673 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

CHX35-36A-6F 26-1/2 673 14-1/2 368 13 330 20 508 13-3/8 340 20-3/8 518

CHX35-36B-6F 26-1/2 673 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

CHX35-36C-6F 26-1/2 673 21 533 19-1/2 495 20 508 19-7/8 505 20-3/8 518

CHX35-42B-6F 31-1/2 800 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

CHX35-42C-6F 26-1/2 673 21 533 19-1/2 495 20 508 19-7/8 505 20-3/8 518

CHX35-48B-6F 31-1/2 800 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

CHX35-48C-6F 26-1/2 673 21 533 19-1/2 495 20 508 19-7/8 505 20-3/8 518

CHX35-51C-6F 31-1/2 800 21 533 19-1/2 495 20 508 19-7/8 505 20-3/8 518

CHX35-60D-6F 31-1/2 800 24-1/2 622 23 584 20 508 23-3/8 594 20-3/8 518

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Indoor Coils
Page 8 January 2022 Supersedes June 2021

SPECIFICATIONS

General Data

Model No. CHX35 -18A-6F
Nominal size - tons 1.5

Factory installed expansion valve 12J18

Line connections in.

Suction o.d. - sweat Liquid o.d. - sweat
Condensate drain (fpt)

3/4 3/8 (2) 3/4

Matching Lennox Furnace - Cabinet Width Designation Coil & Furnace Cabinet Height - in. Shipping Data - lbs.

A 14-1/2
44

CHX35 -24A-6F
2
12J18
3/4 3/8 (2) 3/4 A 14-1/2 46

CHX35 -24B-6F
2
12J18
3/4 3/8 (2) 3/4 B 17-1/2 50

CHX35 -30A-6F
2.5
12J18
3/4 3/8 (2) 3/4 A 14-1/2 56

CHX35 -30B-6F
2.5
12J18
3/4 3/8 (2) 3/4 B 17-1/2 54

1.5 TO 3 TON

CHX35 CHX35

-36A-6F -36B-6F

3

3

12J19 12J19

3/4 3/8 (2) 3/4

3/4 3/8 (2) 3/4

A

B

14-1/2 17-1/2

48

49

SPECIFICATIONS

General Data

Model No. CHX35 -36C-6F

Nominal size - Tons 3

Factory installed expansion valve 12J19

Line connections in.

Suction o.d. - sweat 3/4 Liquid o.d. - sweat 3/8

Condensate drain (fpt) (2) 3/4

Matching Lennox Furnace - Cabinet Width Designation

C

Coil & Furnace Cabinet Height - in.

21

Shipping Data - lbs.

56

CHX35 -42B-6F
3.5 12J20
7/8 3/8 (2) 3/4 B 17-1/2 67

CHX35 -42C-6F
3.5 12J20
7/8 3/8 (2) 3/4 C 21 67

CHX35 -48B-6F
3.5/4 12J20
7/8 3/8 (2) 3/4 B 17-1/2 61

3 TO 5 TON

CHX35 CHX35 CHX35 -48C-6F -51/61C-6F -60D-6F

3.5/4

4/5

5

12J20 12J20 12J20

7/8

7/8

7/8

3/8

3/8

3/8

(2) 3/4 (2) 3/4 (2) 3/4

C

C

D

21

21

24-1/2

60

70

79

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

INDOOR COILS
CH35
Horizontal - Cased 1.5 to 5 Tons
Page 9 January 2022 Supersedes June 2021

FEATURES Refrigerant System · QuantumTM Coil - Aluminum tubing,
hairpins, distributor and header tubes
· Copper refrigerant sweat connections on both liquid and suction lines for easy brazing
· Ripple-edged aluminum fins
· Twin coil construction in an "A" configuration for large surface area
· UV-resistant polymer drain pan with dual fpt drain connections
· Optional expansion valve is required Cabinet · Pre-painted finish
· Fully insulated cabinet with thick fiberglass insulation
Coil Match-Up · All CH35 cased horizontal indoor
coils match furnaces with same letter designation in model number
LIMITED WARRANTY
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.
ACCESSORIES
· Expansion Valve Kits (required)

DIMENSIONS
B

21-1/2

A

(463)

Model No.
CH35-18A-2F CH35-24A-2F CH35-24B-2F CH35-30A-2F CH35-30B-2F CH35-36A-2F CH35-36B-2F CH35-36C-2F CH35-42B-2F CH35-42C-2F CH35-48B-2F CH35-48C-2F CH35-51C-2F CH35-60D-2F

A

B

Supply Opening

Return Opening

Height Width Height

Width

in. mm in. mm in. mm in. mm in. mm in. mm

26-1/2 673 14-1/2 368 13 330 20 508 13-3/8 340 20-3/8 518

26-1/2 673 14-1/2 368 13 330 20 508 13-3/8 340 20-3/8 518

26-1/2 673 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

31-1/2 800 14-1/2 368 13 330 20 508 13-3/8 340 20-3/8 518

26-1/2 673 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

26-1/2 673 14-1/2 368 13 330 20 508 13-3/8 340 20-3/8 518

26-1/2 673 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

26-1/2 673 21 533 19-1/2 495 20 508 19-7/8 505 20-3/8 518

31-1/2 800 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

26-1/2 673 21 533 19-1/2 495 20 508 19-7/8 505 20-3/8 518

31-1/2 800 17-1/2 444 16 406 20 508 16-3/8 416 20-3/8 518

26-1/2 673 21 533 19-1/2 495 20 508 19-7/8 505 20-3/8 518

31-1/2 800 21 533 19-1/2 495 20 508 19-7/8 505 20-3/8 518

31-1/2 800 24-1/2 622 23 584 20 508 23-3/8 594 20-3/8 518

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

SPECIFICATIONS
General Data
Line connections in.
Shipping Data - lbs.

Product Catalog - Indoor Coils
Page 10 January 2022 Supersedes June 2021

Model No. CH35 -18A-2F
Nominal size - Tons 1.5 Suction o.d. - sweat 3/4 Liquid o.d. - sweat 3/8
Condensate drain (fpt) (2) 3/4 43

CH35 -24A-2F
2 3/4 3/8 (2) 3/4 45

CH35 -24B-2F
2 3/4 3/8 (2) 3/4 49

CH35 -30A-2F
2.5 3/4 3/8 (2) 3/4 55

CH35 -30B-2F
2.5 3/4 3/8 (2) 3/4 53

1.5 TO 3 TON

CH35 CH35 -36A-2F -36B-2F

3

3

3/4

3/4

3/8

3/8

(2) 3/4 (2) 3/4

47

48

SPECIFICATIONS
General Data
Line connections in.
Shipping Data - lbs.

Model No. CH35 -36C-2F
Nominal size - Tons 3 Suction o.d. - sweat 3/4 Liquid o.d. - sweat 3/8
Condensate drain (fpt) (2) 3/4 55

CH35 -42B-2F
3.5 7/8 3/8 (2) 3/4 66

CH35 -42C-2F
3.5 7/8 3/8 (2) 3/4 60

CH35 -48B-2F
3.5/4 7/8 3/8 (2) 3/4 60

CH35 -48C-2F
3.5/4 7/8 3/8 (2) 3/4 59

3 TO 5 TON

CH35 CH35 -51C-2F -60D-2F

4

5

7/8

7/8

3/8

3/8

(2) 3/4 (2) 3/4

69

78

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

INDOOR COILS
CH23
Horizontal - Cased 1.5 to 5 Tons
Page 11 January 2022 Supersedes June 2021

FEATURES Refrigerant System · Copper tube construction with
enhanced ripple-edged aluminum fins
· Non-corrosive drain pan with dual fpt drain connections
Refrigerant Control Choice · All models applicable to Lennox
RFCIV refrigerant metering system
· Optional expansion valves available Cabinet · Pre-painted cabinet finish
· Fully insulated with thick fiberglass insulation
LIMITED WARRANTY
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.
ACCESSORIES
· Expansion Valve Kits

DIMENSIONS

21-1/2 (546)
B

23 (584)

A 10 (254)
NOTE - Opening same both ends.

Model No.
CH23-21 CH23-31 CH23-41 CH23-51 CH23-65 CH23-68

A in. mm 27 686 31 787 31 787 35 889 41 1041 47 1194

B in. mm 22-3/4 578 26-3/4 679 26-3/4 679 30-3/4 781 36-3/4 933 42-3/4 1086

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

SPECIFICATIONS

General Data

Model No. CH23-21

Nominal size - tons

1.5

Line Connections

Suction/Vapor o.d. - in. sweat 2 7/8 Liquid o.d. - in. sweat 1 3/8

Condensate drain - in (fpt) (2) 3/4

Shipping Data

lbs. - 1 package 30

1 3/8 x 5/16 in. reducing coupling shipped with coil. 2 7/8 x 5/8 in. reducing bushing shipped with coil. 3 7/8 x 3/4 in. reducing bushing shipped with coil.

CH23-31 2.5 2 7/8 1 3/8
(2) 3/4 34

CH23-41 3
3 7/8 3/8 (2) 3/4 42

Product Catalog - Indoor Coils
Page 12 January 2022 Supersedes June 2021

CH23-51 4 7/8 3/8
(2) 3/4 46

1.5 - 5 TON

CH23-65 CH23-68

5

5+

7/8

7/8

3/8

3/8

(2) 3/4

(2) 3/4

55

75

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

INDOOR COILS
CR33
Downflow - Cased 1.5 to 5 Tons
Page 13 January 2022 Supersedes June 2021

FEATURES
Refrigerant System
· Copper tube construction with enhanced ripple-edged aluminum fins
· Twin coil construction in a "V" configuration for large surface area
· Non-corrosive drain pan with dual fpt drain connections
Refrigerant Control Choice
· All models applicable to Lennox RFCIV refrigerant metering system when matched with specific air conditioners
· Optional expansion valves available
Cabinet
· Pre-painted finish
· Fully insulated cabinet with thick fiberglass insulation
Coil Match-Up
· Coil inlet openings match corresponding Lennox furnace supply air openings with same letter designation in the model number. No adaptor required. See Coil/ Furnace Match-Up Charts in this section for additional information
LIMITED WARRANTY
· All covered components - Five years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.
ACCESSORIES
· Expansion Valve Kits

DIMENSIONS

22-5/8 (575) C
A

26-1/8

(664)

B

Model No.

A

B

C

Supply Air Opening

Width

Depth

in. mm in. mm in. mm in. mm in. mm

CR33-18A-F 14-1/8 359 17-1/2 445 13-1/2 343 15-1/2 394 23-3/16 589

CR33-24A-F 14-1/8 359 17-1/2 445 13-1/2 343 15-1/2 394 23-3/16 589

CR33-24B-F 14-1/8 359 17-1/2 445 16-1/2 419 15-1/2 394 23-3/16 589

CR33-30/36A-F 16-1/8 410 17-1/2 445 13-1/2 343 15-1/2 394 23-3/16 589

CR33-30/36B-F 16-1/8 410 17-1/2 445 16-1/2 419 15-1/2 394 23-3/16 589

CR33-30/36C-F 16-1/8 410 21 533 20 508 19 483 23-3/16 589

CR33-48B-F

20 508 21 533 16-1/2 419 19 483 23-3/16 589

CR33-48C-F

20 508 21 533 20 508 19 483 23-3/16 589

CR33-50/60C-F 23-5/8 600 24-1/2 622 20 508 22-1/2 572 23-3/16 589

CR33-60D-F 23-5/8 600 24-1/2 622 23-1/2 597 22-1/2 572 23-3/16 589

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Indoor Coils
Page 14 January 2022 Supersedes June 2021

SPECIFICATIONS
General Data

1.5 TO 3 TON
Model No. CR33-18A-F CR33-24A-F CR33-24B-F CR33-30/36A-F CR33-30/36B-F

Nominal size - tons

1.5

2

3

2.5/3

2.5/3

Line connections Suction / vapor o.d. - in. sweat

7/8

7/8

7/8

7/8

7/8

in.

Liquid o.d. in. - sweat

3/8

3/8

3/8

3/8

3/8

Condensate drain - in. (fpt) (2) 3/4

(2) 3/4

(2) 3/4

(2) 3/4

(2) 3/4

Shipping weight

lbs. - 1 package

44

44

49

58

57

SPECIFICATIONS
General Data

2 TO 5 TON
Model No. CR33-30/36C-F CR33­48B-F CR33-48C-F CR33-50/60C-F CR33- 60D-F

Nominal size - tons

2.5/3

4

4

4/5

5

Line connections Suction / vapor o.d. in. - sweat

7/8

7/8

7/8

7/8

7/8

in.

Liquid o.d. - in. sweat

3/8

3/8

3/8

3/8

3/8

Condensate drain - in. (fpt)

(2) 3/4

(2) 3/4

(2) 3/4

(2) 3/4

(2) 3/4

Shipping weight

lbs. - 1 package

60

72

71

85

84

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

INDOOR COILS
CR33
Physical Matches
Page 15 January 2022 Supersedes June 2021

DOWNFLOW GAS FURNACES - CR33 COILS
(Note ­ Coil opening will physically match the furnace supply air opening with the same letter designation in the model number.

Furnaces

33 in. (838 mm)

Furnaces

33 in. (838 mm)

14-1/2 (368) 13-3/8 (340)
WARNING! Coil Cabinet Wider Than Furnace Cabinet (Supply Air Openings
Match)

17-1/2 (446)

CR33-18A-F CR33-24A-F CR33-30/36A-F

14-1/8 (359) 14-1/8 (359) 16-1/8 (410)

17-1/2 (446)
16-3/8 (416)

Physical Match
17-1/2 (446)

WARNING! Coil Cabinet Wider Than Furnace Cabinet (Supply Air Openings
Match) 21 (533)

CR33-24B-F CR33-30/36B-F

14-1/8 (359) 16-1/8 (410)

CR33-48B-F

20 (508)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

INDOOR COILS
CR33
Physical Matches

RESIDENTIAL PRODUCT CATALOG

Page 16 January 2022 Supersedes June 2021

DOWNFLOW GAS FURNACES - CR33 COILS
(Note ­ Coil opening will physically match the furnace supply air opening with the same letter designation in the model number.

Furnaces

33 in. (838 mm)

21 (533) 19-7/8 (504)
Physical Match
21 (533)

WARNING! Coil Cabinet Wider Than Furnace Cabinet (Supply Air Openings
Match) 24-1/2 (622)

CR33-30/36C-F CR33-48C-F

16-1/8 (410) 20 (508)

CR33-50/60C-F CR33-60D-F

23-5/8 (600)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

AIR HANDLERS
CBA25UHV
MERIT® SERIES
Upflow / Horizontal - R410A - Programmable Multi-Speed Blower Motor 1.5 to 5 Tons
Optional Electric Heat - 2.5 to 20 kW
Page 1 January 2022 Supersedes June 2021

FEATURES

ACCESSORIES

Refrigerant System
· QuantumTM Coil - Aluminum tubing, hairpins, distributor and header tubes.
· Copper refrigerant sweat connections on both liquid and suction lines for easy brazing.

· See page 6 Cabinet · Downflow Conversion Kit · Horizontal Support Frame Kit · Side Return Unit Stand (Upflow) · Wall Hanging Bracket Kit (Upflow)

· Twin coil construction in an "A" configuration
· Anti-microbial dual position drain pans resist growth of mold and mildew.
· Factory installed R-410A Check/ Expansion valve
Controls

Controls · iComfort® M30 Smart Wi-Fi
Thermostat Electric Heat · See page 5
· Electric Heat - 2.5 to 20 kW
· Single-Point Power Source Control Box

· BDC3 Electronic Blower Control

· 24 Volt Transformer

· Blower Relay

· Terminal Strip

LIMITED WARRANTY

Blower

· All covered components - Five Years

· Programmable Multi-Speed Blower Motor

NOTE - Refer to Lennox Equipment Limited Warranty certificate

Cabinet · Upflow / Horizontal Configuration

included with equipment for details.

DIMENSIONS

· Pre-painted finish
· Fully insulated with thick fiberglass insulation

-018 -024 -030 -036 -048 -060 -042

E D

· All models have less than 2%

A

43-1/2 45-1/2 47 53-5/8 55 59-3/4

air leakage and meet ANSI/

(1105) (1156) (1194) (1362) (1397) (1518)

ASHRAE Standard 193-2010

B

22 22 22 22 22 22

· Tool-less access to

(559) (559) (559) (559) (559) (559)

A

disposable, frame-type filter

C

18-1/2 18-1/2 18-1/2 21-1/2 21-1/2 21-1/2

(470) (470) (470) (546) (546) (546)

D

16-1/2 16-1/2 16-1/2 19-1/2 19-1/2 19-1/2

(419) (419) (419) (495) (495) (495)

AIR FLOW

E

14-1/2 14-1/2 14-1/2 14-1/2 14-1/2 14-1/2

(368) (368) (368) (368) (368) (368)

Return Width 16-1/4 16-1/4 16-1/4 19-1/4 19-1/4 19-1/4

Air

(413) (413) (413) (495) (495) (495)

B

Depth 20-3/8 20-3/8 20-3/8 20-3/8 20-3/8 20-3/8

C

(518) (518) (518) (518) (518) (518)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Air Handlers
Page 2 January 2022 Supersedes June 2021

SPECIFICATIONS

General Data

Model Number CBA25UHV-018

Nominal tonnage

1.5

Factory Installed Expansion Valve

12J18

Connections

Suction/Vapor line (o.d.)­in. sweat

3/4

Liquid line (o.d.)­in. sweat

3/8

Condensate­in. fpt

(2) 3/4

Blower

Wheel nominal diameter x width­in.

9 x 6

Blower motor output­hp

1/2

1 Filters

Size of filter­in. 15 x 20 x 1

Shipping Data -1 package­lbs.

129

ELECTRICAL DATA

Voltage­1 phase (60 hz) 208/240V

2 Maximum overcurrent protection (unit only)

15

3 Minimum circuit ampacity (unit only)

4.9

Blower Motor Full Load Amps

3.9

CBA25UHV-024 2
12J18 3/4 3/8
(2) 3/4 9 x 6 1/2 15 x 20 x 1 136
208/240V 15 4.9 3.9

CBA25UHV-030 2.5
12J18 3/4 3/8
(2) 3/4 10 x 8
1/2 15 x 20 x 1
143
208/240V 15 4.9 3.9

CBA25UHV-036 3
12J19 7/8 3/8
(2) 3/4 10 x 8
1/2 18 x 20 x 1
169
208/240V 15 4.9 3.9

SPECIFICATIONS

General Data

Model Number Nominal tonnage

CBA25UHV-042 3.5

CBA25UHV-048 4

CBA25UHV-060 5

Factory Installed Expansion Valve

12J20

12J20

12J20

Connections

Suction/Vapor line (o.d.)­in. sweat

7/8

7/8

7/8

Liquid line (o.d.)­in. sweat

3/8

3/8

3/8

Condensate­in. fpt

(2) 3/4

(2) 3/4

(2) 3/4

Blower

Wheel nominal diameter x width­in.

10 x 8

12 x 10

12 x 10

Blower motor output­hp

3/4

1

1

1 Filters

Size of filter­in.

18 x 20 x 1

18 x 20 x 1

18 x 20 x 1

Shipping Data -1 package­lbs.

169

179

190

ELECTRICAL DATA

Voltage­1 phase (60 hz)

208/240V

208/240V

208/240V

2 Maximum overcurrent protection (unit only)

15

15

15

3 Minimum circuit ampacity (unit only)

6.5

8.6

8.6

Blower Motor Full Load Amps

5.2

6.9

6.9

1 Disposable filter. 2 HACR type circuit breaker or fuse. 3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. Use wires suitable for at least 167°F.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

AIR HANDLERS
CBA25UH
MERIT® SERIES
Upflow / Horizontal - R410A 1.5 to 5 Tons
Optional Electric Heat - 2.5 to 20 kW
Page 3 January 2022 Supersedes June 2021

FEATURES

ACCESSORIES

Refrigerant System
· QuantumTM Coil - Aluminum tubing, hairpins, distributor and header tubes
· Copper refrigerant sweat connections on both liquid and suction lines for easy brazing

· See page 5 Cabinet · Downflow Conversion Kit · Horizontal Support Frame Kit · Side Return Unit Stand (Upflow) · Wall Hanging Bracket Kit (Upflow)

· Twin coil construction in an "A" configuration
· Anti-microbial dual position drain pans resist growth of mold and mildew
· Factory installed R-410A Check/ Expansion valve
Controls

Controls · iComfort® M30 Smart Wi-Fi
Thermostat Electric Heat · See page 5
· Electric Heat - 2.5 to 20 kW
· Single-Point Power Source Control Box

· 24 Volt Transformer

· Blower Cooling Relay

· Terminal Strip Blower · Multi-Speed, Direct-Drive Blower Cabinet · Upflow / Horizontal Configuration
(downflow with optional kit)
· Pre-painted finish

LIMITED WARRANTY
· All covered components - Five Years
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with equipment for details.

DIMENSIONS

· Fully insulated with thick fiberglass insulation
· All models have less than 2% air leakage and meet ANSI/ ASHRAE Standard 193-2010

-018 -024 -030 -036 -048 -060 -042

A

43-1/2 45-1/2 47 53-5/8 55 59-3/4

(1105) (1156) (1194) (1362) (1397) (1518)

E D

· Tool-less access to disposable, frame-type filter

B

22 22 22 22 22 22

(559) (559) (559) (559) (559) (559)

C

18-1/2 18-1/2 18-1/2 21-1/2 21-1/2 21-1/2

(470) (470) (470) (546) (546) (546)

D

16-1/2 16-1/2 16-1/2 19-1/2 19-1/2 19-1/2

(419) (419) (419) (495) (495) (495)

A AIR FLOW

E

14-1/2 14-1/2 14-1/2 14-1/2 14-1/2 14-1/2

(368) (368) (368) (368) (368) (368)

Return Width 16-1/4 16-1/4 16-1/4 19-1/4 19-1/4 19-1/4

Air

(413) (413) (413) (495) (495) (495)

B

Depth 20-3/8 20-3/8 20-3/8 20-3/8 20-3/8 20-3/8

C

(518) (518) (518) (518) (518) (518)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

SPECIFICATIONS

General Data

Model Number Nominal tonnage

Connections

Suction/Vapor line (o.d.) - in. sweat

Liquid line (o.d.) - in. sweat

Condensate - in. fpt

Blower

Wheel nominal diameter x width - in.

Blower motor output - hp

1 Filters

Size of filter - in.

Shipping Data -1 package - lbs.

ELECTRICAL DATA

Voltage - 1 phase (60 hz)

2 Maximum overcurrent protection (unit only)

3 Minimum circuit ampacity (unit only)

Blower Motor Full Load Amps

CBA25UH-018 1.5 3/4 3/8
(2) 3/4 9 x 6 1/5 15 x 20 x 1 129
208/240V 15 5.0 1.1

CBA25UH-024 2 3/4 3/8
(2) 3/4 9 x 6 1/3 15 x 20 x 1 136
208/240V 15 5.0 1.6

Product Catalog - Air Handlers
Page 4 January 2022 Supersedes June 2021

CBA25UH-030 2.5 3/4 3/8
(2) 3/4 10 x 8
1/2 15 x 20 x 1
143

CBA25UH-036 3 7/8 3/8
(2) 3/4 10 x 8
1/3 18 x 20 x 1
169

208/240V 15 5.0 1.6

208/240V 15 5.0 2.0

SPECIFICATIONS

General Data

Model Number Nominal tonnage

CBA25UH-042 3.5

CBA25UH-048 4

CBA25UH-060 5

Connections

Suction/Vapor line (o.d.) - in. sweat

7/8

7/8

7/8

Liquid line (o.d.) - in. sweat

3/8

3/8

3/8

Condensate - in. fpt

(2) 3/4

(2) 3/4

(2) 3/4

Blower

Wheel nominal diameter x width - in.

10 x 8

12 x 10

12 x 10

Blower motor output - hp

1/2

1

1

1 Filters

Size of filter - in.

18 x 20 x 1

18 x 20 x 1

18 x 20 x 1

Shipping Data -1 package - lbs.

169

179

190

ELECTRICAL DATA

Voltage - 1 phase (60 hz)

208/240V

208/240V

208/240V

2 Maximum overcurrent protection (unit only)

15

15

15

3 Minimum circuit ampacity (unit only)

5.0

9.5

9.5

Blower Motor Full Load Amps

2.5

7.6

7.6

1 Disposable filter. 2 HACR type circuit breaker or fuse. 3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. Use wires suitable for at least 167°F.

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

AIR HANDLERS
OPTIONAL ELECTRIC HEAT
Page 5 January 2022 Supersedes June 2021

CBA2 5UH / C BA 25UH V OPTION AL ELECTR IC H EAT - O R D ER S EPAR ATELY

Model

CBA25UH / CBA25UHV

-018 -024 -030 -036 -042 -048 -060

208/240V-1ph - Terminal Block Models

4 kW

ECBA25-4 19V31 













5 kW

ECBA25-5 16Y36 













7.5 kW

ECBA25-7.5 16Y37 













10 kW

ECBA25-10 16Y38 













208/240V-1ph - Circuit Breaker Models

4 kW

ECBA25-4CB 19V32 













5 kW

ECBA25-5CB 16Y39 













7.5 kW

ECBA25-7.5CB 16Y41 













10 kW

ECBA25-10CB 16Y42 













12.5 kW

ECBA25-12.5CB 16Y43











15 kW

ECBA25-15CB 16Y44











20 kW

ECBA25-20CB 16Y46





NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

AIR HANDLERS

RESIDENTIAL PRODUCT CATALOG
OPTIONAL ACCESSORIES

Model

CBA25UHV

Page 6 January 2022 Supersedes June 2021
CBA25UH

-018 -024 -030 -036 -042 -048 -060 -018 -024 -030 -036 -042 -048 -060

Downflow Conversion Kit

Y9658 · · ·

···

Y9659

····

····

Horizontal Support Frame Kit

56J18 · · · · · · · · · · · · · ·

Side Return Unit Stand (Upflow Only) 45K32 · · · · · · · · · · · · · ·

Single Point Power Source Control Box 21H39 (2 or 3 circuits)

·

·

·

·

·

·

·

·

·

·

·

·

·

·

Wall Hanging Bracket Kit (Upflow Only) 45K30 · · · · · · · · · · · · · ·

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
NOTE - Cabinet and Filter must be ordered separately.
· MERV 11 and MERV 13 filter (Minimum Efficiency Reporting Value based on ASHRAE 52.2)
· High performance filtration with a narrow 7 in. cabinet
· Pleated filter design allows maximum air flow and filtration efficiency
· Multi-position cabinet is available for installation on the return air opening of gas, oil or electric forced, warm air furnaces and air handlers with cooling applications up to 5 tons
· The unit can be installed in upflow, downflow or horizontal unit applications
· Silent operation, requires no electrical component service, and generates no ozone
· Constant blower operation will achieve the best air cleaning results
· No duct transition needed for most furnace applications
· Cabinet constructed of pre-painted galvanized steel
· Cabinet will withstand 400 lbs. static weight, enough to support the weight of a typical furnace and indoor coil or air handler
· Tool-less access door allows quick and easy replacement of filter media
· Mounts in any position
· Air flow direction through the cabinet can be changed by repositioning the filter
· Arrows on filter indicate air flow direction
· Cabinet is shipped compact and requires minimum field assembly
· No tools required
· Filter media is certified to UL 900 standard and UL/ULC classification - Class 2.

INDOOR AIR QUALITY
HCC
HEALTHY CLIMATE®
MERV 11, MERV 13 Media Air Cleaner
Page 1 January 2022 Supersedes June 2021
HCC Filter Cabinet (With Filter in Place)

· Two Filter Types are available:
· Boxed Filters have double-wall beverage board frame for rigid construction
· Expandable Filter Kits consist of expandable filter media and reusable filter frame
· Expandable Filter Kits are shipped compact for field assembly

LIMITED WARRANTY · Cabinet has a five year limited
warranty in residential applications, one year in non-residential applications. · Filter media is not covered. · Refer to Healthy Climate Equipment Limited Warranty certificate included with cabinet for specific details.
DIMENSIONS
A B
D

C 7

HCC14-23 HCC16-28 HCC20-28

A 21-1/4

17-1/4

21

B 18-3/4

15

18-1/2

C

23

28-1/2

28-1/2

D 18-1/2

24

24

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

Product Catalog - Indoor Air Quality
Page 2 January 2022 Supersedes June 2021

SPECIFICATIONS

MERV 11 | MERV 13

General Data

Cabinet Model No. HCC14-23 HCC16-28 HCC20-28 HCC14-23 HCC16-28 HCC20-28 Filter Model No. (Box Filter) HCF14-11 HCF16-11 HCF20-11 HCF14-13 HCF16-13 HCF20-13

Filter Model No. (Expandable Filter Kit) HCXF14-11 HCXF16-11 HCXF20-11

- - -

- - -

- - -

1 MERV (Minimum Efficiency Reporting Value) rating

11

11

11

13

13

13

Air Flow

Air flow range - cfm 800 - 1400 800 - 1600 1400 - 2000 800 - 1400 800 - 1600 1400 - 2000

Rated air flow - cfm 1400

1600

2000

1400

1600

2000

Filter Data

Nominal Filter size - in. 20 x 20 x 5 16 x 25 x 5 20 x 25 x 5 20 x 20 x 5 16 x 25 x 5 20 x 25 x 5
Actual Filter size - in. 20 x 19-3/4 15-3/4 x 24- 19-3/4 x 24- 20 x 19-3/4 x 15-3/4 x 24- 19-3/4 x 24x 4-3/8 3/4 x 4-3/8 3/4 x 4-3/8 4-3/8 3/4 x 4-3/8 3/4 x 4-3/8

Pressure drop @ rated

HCF - Initial 0.25

0.27

0.27

0.21

0.26

0.26

flow in. w.c. - Initial

- Final 0.40

0.40

0.40

0.40

0.40

0.40

HCXF - Initial 0.27

0.30

0.27

- - -

- - -

- - -

- Final 0.40

0.40

0.40

- - -

- - -

- - -

2 Filter estimated service life (months)

up to 12 months

Shipping weight - lbs.

Cabinet

15

17

18

15

17

18

M A IN T ENANCE S UPPLIES - ORDER S EPARATELY

Replacement filter media for Expandable Filter Kits X8311

X8309

X8310

19L14

19L15

19L17

Replacement filter media for Box Filter Kits

X0585

X6670

X6673

- - -

- - -

- - -

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

CONTROLS
iComfort® M30
4 Heat / 2 Cool Universal
Smart Wi-Fi Thermostat
Page 1 January 2022 Supersedes June 2021

FEATURES
· The iComfort® M30 is a Wi-Fi enabled, electronic 7-day, universal, multi-stage, programmable, touchscreen thermostat
· It also offers enhanced capabilities including control for humidification / dehumidification / dewpoint measurement and control, Humiditrol® Enhanced Dehumidification Accessory, and equipment maintenance reminders
· Easy to read 4.3 in. color screen (measured diagonally)
· LCD display with backlight shows the current and set temperature, time, inside relative humidity, system status (operating mode and schedules) and outside temperature (optional outdoor sensor required)
· Touchscreen interaction
· Ergonomic design
· Smooth Setback Recovery starts system early to achieve setpoint at start of program period
· Compressor short-cycle protection (5 minutes)
· Real-time clock keeps time during power failures and automatically updates to daylight savings
· Maintenance reminders let user know when to service or replace filters, PureAir® metal insert, humidifier pads, ultraviolet lamps, plus one user or installer defined custom reminder

· Up to four separate schedules are available plus Schedule IQTM
· One-Touch Away Mode - A quick and easy way to set the cooling and heating setpoints while away
· Smart AwayTM - Uses geo-fencing technology to determine when the homeowner is within a predetermined distance from the home to operate the system when leaving, away and arriving
· Permanent memory storage of programs
· Wallplate furnished
LIMITED WARRANTY
· Five-year limited warranty in residential applications
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with unit for specific details.

REMOTE MONITORING · Wi-Fi remote monitoring and
adjustment through a home wireless network for desktop PCs, laptops and apps for smartphones or tablets · Service alerts and reminders · Free iComfort® Thermostat App is available for use on iPhone®, iPad®, and AndroidTM devices
Home Automation · Smart home automation compatible
with Amazon Alexa®, Google Assistant and IFTTT

CONTROL ORDERING INFORMATION

Description

Catalog No.

iComfort® M30 Thermostat - Dimensions (H x W x D) - 3-5/16 x 4-5/16 x 7/8 in. Wallplate Dimensions (W x H) - 5-3/4 x 4-1/2 in.

15X69

1 Optional Outdoor Air Temperature Sensor

X2658

1 Allows the thermostat to display outdoor temperature. Sensor is required for dual fuel operation if thermostat controls dual-fuel system operation. Also required with Humiditrol® applications and Humidity Settings / Humidity / Dewpoint operation..

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

CONTROLS
ComfortSense® 5500
1 Heat / 1 Cool (Conventional Cooling Only)
Touchscreen 7-Day Programmable Thermostats
Page 2 January 2022 Supersedes June 2021

FEATURES
· Electronic 7-day, single-stage, programmable, touchscreen thermostat with maintenance reminders
· LCD display with backlight shows the current and set temperature, time and system status (operating mode and schedules)
· Menu-driven programming guides user through the scheduling process showing only necessary information on each screen
· Touchscreen interaction
· Ergonomic design
· Smooth Setback Recovery starts system early to achieve setpoint at start of program period
· Compressor short-cycle protection (5 minutes, adjustable)
· Real-time clock keeps time during power failures and automatically updates to daylight savings
· Maintenance reminders let user know when to service or replace filters, PureAir® metal insert, humidifier pads, ultraviolet lamps, plus two user or installer defined custom reminders
· Up to three separate schedules for individual days of the week, week/ weekend (5/2 day) or all 7-days the same with up to 4 time periods per day
· Temporarily override the program schedule as desired by time

· Programmable fan offers increased air quality when combined with a whole house air indoor air quality product
· Permanent memory storage of programs
· Wallplate furnished
· Temperature Setting Range: Heating, 45 to 90°F, Cooling, 45 to 99°F
· Power Supply: 24VAC (18 to 30VAC maximum), 50/60Hz
· Dimensions (H x W x D) 3-5/16 x 4-5/16 x 7/8 in. (84 x 110 x 22 mm)

LIMITED WARRANTY
· Five-year in residential applications
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with unit for specific details.
ORDERING INFORMATION
· 13H13 - 1 heat / 1 cool control for use with conventional residential heating/cooling (non-heat pump) systems only.
· Terminals: C, G, W1, Y1, R

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG

CONTROLS
ComfortSense® 3000
L3511C, L3522C, L3532H
5-2 Day Programmable Thermostats
Page 3 January 2022 Supersedes June 2021

FEATURES
· Large, back-lit, easy-to-read LCD screen
· Digital display offers more accurate control of temperature settings than mechanical controls
· Large buttons are easy to push
· Sleek, modern appearance works well with any decor
· System status icons show when the HVAC system is running
· Filter monitor displays when it is time to service the HVAC system filter
· Service monitor indicates when the cooling system is not operating properly
· Gradually changes room temperature to next program period for increased comfort
· Hard-wired to the indoor unit power supply
· No batteries to change
· Heat pump model can be used in dual-fuel applications or applications with auxiliary heat lockout
NOTE - Requires optional outdoor temperature sensor.
· Five-minute compressor short-cycle protection
· Minimum cycle time of 6 minutes
· 5-2 day programming, four time periods per day
· Day/Time button allows quick clock setting changes
· Heat/Cool buttons simplify setting precise heating and cooling temperatures
· Fan button selects continuous or automatic blower operation
· Programming button sets, reviews, or changes schedule
· Hold features will permanently hold setpoints without changing the program

· Maintains program in memory for 24-hours in the event of a power outage
· Day and time display will show current day and time
· Program/Hold indicators show the current program and the program override (hold) status
· Compressor stage indicators show if the first or second stage of the compressor is activated (if applicable)
· Filter reminder will be displayed when the filter reminder timer expires
· Room - shows the current room temperature
· Setpoint - shows the set point temperature
· System selector indicators - shows the current selection of system control; COOL, OFF, HEAT, and EMG. HEAT (heat pump usage only)
· If heating is activated, the system status will show a flame animation
· If cooling is activated, the system status will show a snowflake animation
· Fan selection indicator shows the current selection of fan control which can be ON or AUTO
· If the fan is activated, the fan status indicator will show a rotating fan animation
· The service indicator will show a 1HZ blinking indicator when 24VAC is present at the L terminal and Y1 is on for five minutes

· LCD backlight turns on for 30 seconds when any key is pressed
· Outdoor Sensor (optional for heat pump usage) is used to control balance points on multi-stage heat pumps
LIMITED WARRANTY
· Two year in residential applications NOTE - Refer to Lennox Equipment
Limited Warranty certificate included with unit for specific details.
ORDERING INFORMATION
· L3511C (51M34) - 1 Heat/1 Cool Conventional Heat/cool
· Terminals: R, C, Y1, W1, G, L
· L3522C (51M35) - 2 Heat/2 Cool Conventional Heat/cool Terminals: R, C, Y1, Y2, W1, W2, G, L
· L3532H (51M37) - 3 Heat/2 Cool Universal Heat/Cool or Heat Pump Systems
· Terminals: R, C, Y1, Y2, W1, E, O, B, G, L, T, T
ACCESSORIES
· X2658 - Outdoor Temperature Sensor (For heat pump model only)
· Provides balance point control for multi-stage heat pumps
· Sensor uses 22AWG thermostat wire up to 150 ft. long
· X2659 - Wall Plate

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

RESIDENTIAL PRODUCT CATALOG
FEATURES
· Large, back-lit, easy-to-read LCD screen
· Digital display offers more accurate control of temperature settings than mechanical controls
· Large push buttons
· Sleek, modern appearance works well with any decor
· System status icons show when the HVAC system is running
· Continuous or automatic fan/blower operation
· Filter monitor displays when it is time to service the HVAC system filter
· Service monitor indicates when the system compressor is not operating properly
· Hard-wired to the indoor unit power suppl
· No batteries to change
· Heat pump model can be used in dual-fuel applications or applications with auxiliary heat lockout. Requires optional outdoor temperature sensor
· Equipped with overheat protection in heating mode, a bimetal switch will open Y1, W1 and E if room temperature exceeds 93°F
· Screw terminals on removable sub-base
· Five-minute compressor short-cycle protection
· Minimum run time:
· Gas or Electric Heat - 3 minutes
· Heat Pump Heating - 4 minutes
· Cooling - 4 minutes · LCD backlight turns on for 8
seconds when any key is pressed
· Room - shows the current room temperature

CONTROLS
ComfortSense® 3000
L3011C, L3021H

Non-Programmable Thermostats
Page 4 January 2022 Supersedes June 2021
LIMITED WARRANTY
· Two-years in residential applications.
NOTE - Refer to Lennox Equipment Limited Warranty certificate included with unit for specific details.

· Setpoint - shows the set point temperature
· System selector indicators - shows the current selection of system control; COOL, OFF, HEAT, and EMG. HEAT (heat pump model only)
· If heating is activated, the system status will show a flame icon
· If cooling is activated, the system status will show a snowflake icon
· Fan selection indicator shows the current selection of fan control which can be ON or AUTO
· If the fan is activated, the fan status will show a rotating fan icon

ORDERING INFORMATION
· L3011C (51M32) - 1 Heat/1 Cool Single stage gas/electric
· Terminals: R, C, Y1, W1, G, L
· L3021H (51M33) - 2 Heat/1 Cool Heat pump systems
· Terminals: R, C, Y1, W1, E, O, B, G, L, T, T
ACCESSORIES
· X2658 - Outdoor Temperature Sensor (For heat pump model only)
· Provides balance point control for multi-stage heat pumps
· Sensor uses 22AWG thermostat wire up to 150 ft. long
· X2659 - Wall Plate

· The service status will show a 1HZ blinking indicator when 24VAC or 0VAC is present at the L terminal and Y1 has been activated for at least five minutes

· Temperature set range: 50°F to 90°F
· Room temperature display range: 35°F to 99°F
· Room temperature display: User selectable Fahrenheit or Celsius
· Fan control: On/Auto
· User selectable filter reminder: Off, 1, 3, 6, or 12 months
· Power Supply: 18-30 VAC - 60hz

· Memory and filter counters maintained for 24 hours of power outage
· Dimensions: 4-7/8 x 3-1/2 x 1-5/16 in. (125 x 90 x 33)

NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.

Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

Installation and service must be performed by a qualified installer and servicing agency.

© 2022 Lennox Industries Inc.

REVISIONS
Sections Gas Units

Description of Change · Added Furnace Twinning Panel Y3653 for Constant Torque "E" furnaces (January 2022)



References

• ‎(S30/E30/M30) iComfort T-Stat on the App Store