Intertherm E7 Series Electric Furnaces
Technical Specifications
Product Overview
The E7 Series furnace is designed for all sizes of manufactured and modular homes. These units incorporate reliability and low maintenance. Units may be installed free standing in a utility room or enclosed in an alcove or closet. E7 Series furnaces are A/C ready, with 16 blower speeds to meet any cooling requirement.
Image: E7ED Downflow Electric Furnace
Image: E7EU Upflow Electric Furnace
Image: E7EM Upflow/Downflow Electric Furnace
Features and Benefits
- Choice of Air Conditioning Options: From 1.5 to 5 tons A/C ready.
- Easy Open Door: Secures the door firmly for transit, yet allows easy removal for access.
- Effective Air Filter: Universal disposable filter is readily available and simple to replace.
- Nichrome Heating Elements: Provide long lasting, efficient heating.
- Appliance Quality Door: Protects against rust and other corrosion. Baked enamel finish allows for easy cleaning.
- Fully Insulated Furnace Cabinet: Insures minimized heat loss and quiet operation.
- Safety and Dependability: Auto reset controls protect unit's electrical circuitry and helps ensure trouble-free performance. Built-in circuit breakers for extra safety.
- Adaptable: Unit can be adapted to provide dependable heating in either downflow or upflow mode.
- Versatile: Works with self-contained or split system air conditioners or heat pumps.
- Heating Relays: Provide quiet operation.
- Control Board: Allows for 16 blower speeds to create ideal comfort in the home.
- 7 Segment LED Display: Shows furnace mode and simplifies service.
- Upflow/Downflow Furnace (E7EM): Available to meet any application.
- Upflow (E7EU) and Downflow (E7ED) Furnace: Comes with a factory installed coil box and all necessary filters.
- Full line of accessories to meet many difficult applications.
Model Identification
The model number provides details about the furnace configuration:
- Product Type: E - Electric Furnace
- Generation: 7 - Seventh Series
- Blower: E - Constant Torque, 16 Speed ECM
- Blower Configuration: M - Upflow/Downflow, D - Downflow, U - Upflow
- Primary Capacity: 010 (10 kW), 012 (12 kW), 015 (15 kW), 017 (17 kW), 020 (20 kW), 023 (23 kW)
- Electrical Code: H - 240-1-60
- Revision: (e.g., 1)
Furnace Parts Identification
Diagram showing internal components. Labeled parts include: 2 Pole Relay, Transformer, Control Board, Circuit Breaker, Limits, and Grounding Lug.
Unit Specifications
| FURNACE MODELS E7- | 010H | 012H | 015H | 017H | 020H | 023H |
|---|---|---|---|---|---|---|
| Rated Heating Output, Btuh (see note 1) | 35,000 | 41,000 | 53,000 | 57,000 | 70,000 | 75,000 |
| Watts (Total kW, Heating Elements & Blower) | 10.4 | 12.0 | 15.4 | 16.6 | 20.4 | 22.0 |
| Supply Voltage | 240 Volts/60Hz/1-Phase | |||||
| Heating Elements, No. (Total kW) | 2 (10.0) | 2 (11.6) | 3 (15.0) | 3 (16.2) | 4 (20.0) | 4 (21.6) |
| Motor Speed, H.P. Rating, Amps | 16 Speed, 1/2 HP, 3.6 A | |||||
| Test ESP, in. w.c. Max | 0.3 | |||||
| Optional Cooling Available with factory installed blower | 2.0 - 4.0 Ton | |||||
| Optional Heat Pump Available with factory installed blower | 2.0 - 4.0 Ton | |||||
| Air Filter (Standard) | 18" x 20" x 1" (nominal) | |||||
Note 1: Heating output rated at listed voltage. For outputs at voltages other than 240V, multiply Btuh rating by the following factors: x 0.92 (230V), x 0.84 (220V), x 0.75 (208V).
Furnace Dimensions
| Configuration | Width | Height | Depth |
|---|---|---|---|
| Multi-Poise | 20" (508mm) | 29" (737mm) | 24 1/2" (623mm) |
| Upflow/Downflow | 20" (508mm) | 60 5/8" (1546mm) | 24 1/2" (623mm) |
Electrical Specifications
| MODEL NUMBER E7E*- |
SUPPLY CIRCUIT AMPERES | TOTAL CURRENT | MAXIMUM OVER-CURRENT RATING | MINIMUM CIRCUIT AMPACITY |
|---|---|---|---|---|
| 010H1 | Single (45.3 A) | 60 | 57 | - |
| 012H1 | Single (51.6 A) | 70 | 65 | - |
| Dual "A" (27.8 A) | 35 | 35 | - | |
| Dual "B" (24.2 A) | 35 | 30 | - | |
| 015H1 | Single (66.1 A) | 90 | 83 | - |
| Dual "A" (45.3 A) | 60 | 57 | - | |
| Dual "B" (20.8 A) | 30 | 26 | - | |
| 017H1 | Single (71.1 A) | 90 | 89 | - |
| Dual "A" (45.0 A) | 60 | 56 | - | |
| Dual "B" (26.1 A) | 35 | 33 | - | |
| 020H1 | Single (86.9 A) | 110 | 109 | - |
| Dual "A" (45.3 A) | 60 | 57 | - | |
| Dual "B" (41.7 A) | 60 | 52 | - | |
| 023H1 | Single (93.6 A) | 125 | 117 | - |
| Dual "A" (45.3 A) | 60 | 57 | - | |
| Dual "B" (48.0 A) | 60 | 60 | - |
NOTE: Wire size must be in accordance with the applicable revision of the NEC and all other applicable codes.
Anticipator Settings
| Furnace Model | Thermostat Anticipator Setting |
|---|---|
| 010, 012 | 0.2 |
| 015, 017, 020, 023 | 0.4 |
Clearances
| ALL MODELS | CLOSET | ALCOVE | |
|---|---|---|---|
| Front ‡ | 6" | 18" | - |
| Back | 0" | 0" | 0" |
| Sides † | 0" | 0" | 0" |
| Top | 0" | 0" | 0" |
| Top and Sides of Duct | 0" | 0" | 0" |
| Bottom of Duct | 0" | 0" | 0" |
‡ Service Clearance
† For upflow application using upflow stand, 1" minimum per side.
Physical Dimensions
Diagrams showing the physical dimensions of the E7EM furnace from Top, Left Side, Front, Right Side, and Bottom views. Key dimensions are provided, including width, height, depth, and locations for T-Stat, VentilAire Bracket, Refrigerant Line Knockout, and AC/HP Knockout.
Diagrams showing the physical dimensions of the E7EU and E7ED furnaces from Top, Left Side, Front, Right Side, and Bottom views. Key dimensions are provided, including width, height, depth, and locations for T-Stat, VentilAire Bracket, and AC/HP Knockout. A note indicates the E7EU has a solid door and is oriented opposite to the E7ED.
Diagram showing the physical dimensions of the E7 Furnace Upflow Stand from Top, Left Side, Front, and Bottom views. Key dimensions are provided, including width, depth, and height.
Available Coil Cabinets
| Coil Box | Dimension A Width (mm) | Dimension B Depth (mm) | Dimension C Height (mm) |
|---|---|---|---|
| 1006730 | 20" (508mm) | 24" (610mm) | 31.5" (802mm) |
| 1006731 | 20" (508mm) | 24" (610mm) | 31.5" (802mm) |
| 904067 | 20" (508mm) | 24" (610mm) | 27" (686mm) |
| 902976 | 20" (508mm) | 24" (610mm) | 29" (736mm) |
Airflow Data
| MODEL NUMBER | MOTOR SWITCH SETTINGS | AIRFLOW (CFM) AT EXTERNAL STATIC PRESSURE (IN. W.C.) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/5 | 2/6 | 3/7 | 4/8 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | |
| E7E*-0**H1 | 0 | 0 | 0 | 0 | 685 | 640 | 606 | 560 | 513 | 460 |
| 1 | 0 | 0 | 0 | 770 | 727 | 692 | 648 | 599 | 552 | |
| 0 | 1 | 0 | 0 | 854 | 815 | 779 | 737 | 685 | 645 | |
| 1 | 1 | 0 | 0 | 939 | 902 | 865 | 825 | 771 | 737 | |
| 0 | 0 | 1 | 0 | 1,012 | 974 | 938 | 899 | 850 | 813 | |
| 1 | 0 | 1 | 0 | 1,084 | 1,047 | 1,011 | 973 | 930 | 888 | |
| 0 | 1 | 1 | 0 | 1,157 | 1,119 | 1,084 | 1,047 | 1,009 | 964 | |
| 1 | 1 | 1 | 0 | 1,197 | 1,166 | 1,130 | 1,093 | 1,056 | 1,017 | |
| 0 | 0 | 0 | 1 | 1,245 | 1,215 | 1,178 | 1,143 | 1,105 | 1,066 | |
| 1 | 0 | 0 | 1 | 1,293 | 1,263 | 1,225 | 1,192 | 1,154 | 1,114 | |
| 0 | 1 | 0 | 1 | 1,344 | 1,312 | 1,278 | 1,242 | 1,206 | 1,169 | |
| 1 | 1 | 0 | 1 | 1,394 | 1,361 | 1,330 | 1,291 | 1,257 | 1,223 | |
| 0 | 0 | 1 | 1 | 1,434 | 1,401 | 1,369 | 1,332 | 1,299 | 1,267 | |
| 1 | 0 | 1 | 1 | 1,473 | 1,441 | 1,408 | 1,373 | 1,340 | 1,311 | |
| 0 | 1 | 1 | 1 | 1,514 | 1,483 | 1,451 | 1,417 | 1,386 | 1,355 | |
| 1 | 1 | 1 | 1 | 1,555 | 1,525 | 1,494 | 1,460 | 1,431 | 1,398 | |
NOTES:
- 1. Motor switch settings for heating speeds use HEAT switches 1, 2, 3, and 4. For cooling speeds use COOL switches 5, 6, 7, and 8.
- 2. Data is shown with filter.
Maximum Allowable Heat Settings
| MODEL E7E*-0**H1 |
E7EM | E7ED | E7EU | |||
|---|---|---|---|---|---|---|
| DOWNFLOW MH |
UPFLOW RES |
DOWNFLOW MH |
UPFLOW RES |
DOWNFLOW MH |
UPFLOW RES |
|
| 10 | 0101 | 0001 | 0101 | 0001 | 0101 | 0101 |
| 12 | 0011 | 0101 | 0101 | 0101 | 0101 | |
| 15 | 0101 | 0101 | 0001 | 0101 | 0101 | |
| 17 | 0101 | 0101 | 0011 | 0011 | 0001 | |
| 20 | 0011 | 0001 | 0011 | 0011 | ||
| 23 | ||||||
NOTES:
- 1. MH and Res represent Manufactured Housing and Residential (modular home) applications, respectively.
- 2. To comply with government mandated efficiency standards, speed settings with higher CFM values than listed in this table are not allowed in HEAT mode.
Accessories
| Description | Part Number |
|---|---|
| High Airflow Blower Kit | 1044062 |
| Heating Thermostat Intertherm (12 Pac) | 903188 (903182) |
| Heating Thermostat Miller (12 Pac) | 903189 (903183) |
| Thermostat Sub-Base | 914146 |
| Heating/Cooling Thermostat CM65 Intertherm/Miller (12 Pac) | 903992 (903993) |
| Heating/Cooling Thermostat GE Intertherm (12 Pac) | 903192 (903186) |
| Heating/Cooling Thermostat GE Miller (12 Pac) | 903193 (903187) |
| Automatic Damper for AC or HP Package Unit | 901083 |
| "VEE” Box Adapters (10") - 5 / carton | 901985 |
| Duct Connector 10" Diameter x 6" Long - 6 / carton | 902926 |
| "VEE" Box Adapters (12") - 5 / carton | 902149 |
| Single Wide Fitting Kit (12") | 911468A |
| Double Wide Fitting Kit (12") | 911469A |
| Single Wide Fitting Kit (14") | 914957 |
| Double Wide Fitting Kit (14") | 914956 |
| Y-Fitting (12") | 911470 |
| Y-Fitting (14") | 917195 |
| Fan Delay Kit (TDR) | 911758 |
| Top Grille/Frame | 902989 |
| Top Grille/Frame (4 pack) | 903000 |
| Cabinet to Combine w/ Grille/Frame | 903891 |
| Upflow Stand | 1014501 |
| Coil Cabinet (For all sizes), Upflow & Downflow w/ Solid Door | 1006730 |
| Coil Cabinet (For all sizes), Upflow & Downflow w/ Louvered Door | 1006731 |
| Coil Cabinet Downflow (Front return) | 904067 |
| Coil Cabinet Upflow (Solid door, limited capacities) | 902976 |
Accessory Kits
Vent Kits
| Description | Part Number |
|---|---|
| Soffit Air Inlet (for VentilAire III only) | 917201A |
| VentilAire III - Sloped 3/12 | 914098 |
| VentilAire IV - Sloped 3/12 | 914229 |
| VentilAire V - Sloped 3/12 | 1018547 |
Plenum Connectors
| Dimensions | Quantity / Carton | Part Number |
|---|---|---|
| 11.25 x 13.50 x 0.88 | 12 / carton | 901987A |
| 11.25 x 13.50 x 2.00 | 12 / carton | 901988A |
| 11.25 x 13.50 x 4.25 | 6 / carton | 901989A |
| 11.25 x 13.50 x 6.25 | 6 / carton | 901990A |
| 11.25 x 13.50 x 8.25 | 4 / carton | 901991A |
| 11.25 x 13.50 x 10.25 | 3 / carton | 901992A |
| 11.25 x 13.50 x 12.25 | 3 / carton | 901993A |
| 11.25 x 13.50 x 6.25 | 24 / carton | 902681A |
General Terms of Limited Warranty
For complete details of the Limited Warranty, including applicable terms and conditions, see your local installer or contact the Nortek Global HVAC, LLC warranty department for a copy.
Before purchasing this appliance, read important energy cost and efficiency information available from your retailer. Specifications and illustrations are subject to change without notice and without incurring obligations.
Printed in U.S.A. (10/22)
Document Reference: 492F-1022 (Replaces 492F-0122)
Website: www.intertherm.net
Trademark Intertherm® used under license. ©Nortek Global HVAC, LLC. All Rights Reserved.
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