defrost timers - Robertshaw

Timer 120-240V AC, 10 Amps, 245 VA Switches 2-4 and 3-4 carry 1/2 HP rating Heavy-Duty Steel 1-8 cycles per day; minimum 3 hours between successive cycles 0-30 minutes; 3 minute graduation: for stopping fans, reducing refrigerant pressure, or hot gas pump down cycle 3-15 minutes; 3 minute graduation 3-45 minutes; 3 minute graduation

defrost timers

PDF defrost timers - Jackson Systems

3 Specifications Part Numbers Description Normally Open Contact Terminal 3 and 5 Normally Closed Contact Terminal F and 2 8145-AV 8145-AV-M Auto Voltage Defrost Timer in Metal Casing, 60 Hz

Paragon Defrost Timer Brochure
defrost timers

Why Choose Paragon® Defrost Timers?
Quality ­ Selection ­ Dependability
Installers prefer a vast selection of quality solutions for commercial refrigeration applications while requiring intuitive installation set-up and dependable performance. Paragon® is trusted in commercial refrigeration for ease-of-use, performance, reliability and innovation. Paragon® Defrost Controls lead the pack as the preferred defrost control brand in the industry. Contractors trust:
· The original 8000 Series Electromechanical Defrost Timers for dependable performance. · The 9000 Series Universal Defrost Timer for operating 16 years longer than competitive models and for delivering the only
multi-voltage timer engineered to refrigeration standards. · The Paragon® All-in-One Auto Voltage Defrost Timer for replacing over 40 competitive voltage-specific mechanical defrost timers,
eliminating the need for a separate short cycle timer and single-phase voltage monitor. · The Paragon® Residential and Light Commercial Defrost Timer Series for its compact size and durability.
For Quality, Selection, and Dependability - Choose Paragon. Table of Contents
8000 Series - Auto Voltage.............................................................................................................................................................................3 8000 Series - Electromechanical.....................................................................................................................................................................4 9000 Series - Universal Electronic..................................................................................................................................................................6 632 Series - Electromechanical.......................................................................................................................................................................8 RM Series - Defrost Modules..........................................................................................................................................................................9 Residential and Light Commercial Defrost Timers........................................................................................................................................10
2

8000 Series - Auto Voltage
The Paragon® 8000 Series Auto Voltage Defrost Timer is designed for commercial freezers and refrigerators. Paragon Defrost Controls have provided reliable automatic defrost capability for decades. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.
This all-in-one auto voltage defrost timer replaces over 40 competitive voltage-specific mechanical defrost timers, eliminating the need for a separate short cycle timer and single-phase voltage monitor. The 8145-AV is a mainstay for any contractor's truck. The 8145-AV reduces installation time and minimizes the number of SKUs to stock.
Features and Benefits
· Replaces over 40 competitive models · Available in 50 Hz and 60 Hz models · Auto voltage automatically adjusts for 120-240V AC · Compressor contacts 3HP · Heater/fan contacts 2HP · LED indicators for defrost and refrigeration cycles ·Built-in permanent housing protects components from damage · Mechanism only mounts into existing Paragon enclosures,
no tools required · Real-time clock face for easy accurate settings ·Defrost times programmable in 15-minute intervals with
captive trippers ·Heavy-duty steel enclosure with knockouts (on the bottom,
back and side) and hasp · Mechanism only models also available 8145-AV-M (60 Hz
model) and 8145-AV50M (50 Hz model)

8145-AV 8145-AV-M

Specifications
Part Numbers
8145-AV 8145-AV-M
8145-AV50 8145-AV50M

Description
Auto Voltage Defrost Timer in Metal Casing, 60 Hz
Auto Voltage Defrost Timer Mechanism Only, 60 Hz Auto Voltage Defrost Timer in Metal Casing, 50 Hz
Auto Voltage Defrost Timer Mechanism Only, 50 Hz

Normally Open Contact Terminal 3 and 5

40 Amps 3 HP 1.5 HP 720 VA

Resistive Motor Motor Pilot Duty

120-240V AC 240V AC 120V AC 120-240V AC

40 Amps 3 HP 1.5 HP 720 VA

Resistive Motor Motor Pilot Duty

120-240V AC 240V AC 120V AC 120-240V AC

Normally Closed Contact Terminal F and 2

30 Amps 2 HP 1/4 HP 290 VA

Resistive Motor Motor Pilot Duty

120-240V AC 240V AC 120V AC 120-240V AC

30 Amps 2 HP 1/4 HP 290 VA

Resistive Motor Motor Pilot Duty

120-240V AC 240V AC 120V AC 120-240V AC

Year

Listed Product

Limited Warranty

3

8000 Series - Electromechanical
The Paragon® 8000 Series Commercial Defrost Controls are designed for commercial freezers and refrigerators to provide automatic defrost capability. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.

8045-00 8245-20

Features and Benefits
·Time initiated; temperature, pressure or time terminated models available
·High-amp switch contacts: 40 Amps, 2 HP
·Positive slider bar switch design assures positive electrical contact and wipes the contact surface of contaminates
·Temperature or pressure terminated models are designed for defrost termination using an external temperature or pressure device
·Safety back-up ­ mechanical time-driven defrost termination
·Heavy-duty synchronous design drive motor
·Choice of three contact arrangements
·Adjustable frequency of defrost initiation from 1 to 6 cycles per day with a minimum of 4 hours between successive operations
·Adjustable back-up defrost termination from 4 to 110 minutes in 2 minute increments
·Heavy-duty steel enclosure with knockouts (on the bottom, back and sides) and hasp and staple padlock
·All 8240 models have an adjustable cut-in pressure dial calibrated from 36-110 pounds for R12, R22, R502

4

Listed Product

Recognized Component

Specifications
Part Numbers

Description

8025-00 8025-20 8041-00 8041-20 8045-00 8045-20 8045-21 8047-00 8047-20 8141-00 8141-20 8143-00 8143-20 8145-00 8145-20 8145-20B 8145-20M 8145-21 8245-20 8245-21 8247-20 E357-00

Adjustable Cycle, Time Initiated, Time Terminated
Adjustable Cycle, Time Initiated, Time Terminated
Electric Heat Electric Heat Defrosting
Electric Heat, Hot Gas or Compressor Shutdown
Electric Heat, Hot Gas or Compressor Shutdown Electric Heat, Hot Gas or Compressor
Shutdown Electric Heat Defrosting Electric Heat Defrosting
Electric Heat, Hot Gas or Compressor Shutdown
Electric Heat, Hot Gas or Compressor Shutdown
Electric Heat, Hot Gas or Compressor Shutdown
Electric Heat, Hot Gas or Compressor Shutdown
Electric Heat, Hot Gas or Compressor Shutdown
Electric Heat, Hot Gas or Compressor Shutdown
Electric Heat, Hot Gas or Compressor Shutdown Mechanism only, Electric Heat, Hot
Gas or Compressor Shutdown Electric Heat, Hot Gas or Compressor Shutdown Electric Heat,
Hot Gas or Compressor Shutdown Electric Heat,
Hot Gas or Compressor Shutdown Electric Heat,
Hot Gas or Compressor Shutdown Electric Heat,
Hot Gas or Compressor Shutdown

Switch Arrangement Contacts 2-4
NA NA Closed Closed Closed Closed Closed Open Open Closed Closed Open Open Closed Closed Closed Closed Closed Closed Closed Open Closed

Switch Arrangement Contacts 1-3
NA NA Open Open Open Open Open Open Open Open Open Closed Closed Open Open Open Open Open Open Open Open Open

Switch Arrangement Contacts 3-N
NA NA Closed Closed None None None Closed Closed Closed Closed Open Open None None None None None None None Closed None

Termination Type

Electrical Rating

Time

120V AC, 60 Hz, 2 HP

Time

208-240V AC, 60 Hz, 2 HP

Time

120V AC, 60 Hz

Time

208-240V AC, 60 Hz

208-240V AC, 50 Hz

Time

120V AC, 60 Hz

Time

208-240V AC, 60 Hz

Time

208-240V AC, 50 Hz

Time Time
Temperature or Pressure

120V AC, 60 Hz 208-240V AC, 60 Hz 208-240V AC, 50 Hz
120V AC, 60 Hz

Temperature or Pressure 208-240V AC, 60 Hz

Temperature or Pressure

120V AC, 60 Hz

Temperature or Pressure 208-240V AC, 60 Hz

Temperature or Pressure

120V AC, 60 Hz

Temperature or Pressure 208-240V AC, 60 Hz

Temperature or Pressure Temperature or Pressure

208-240V AC, 60 Hz
208-240V AC, 60 Hz

Temperature or Pressure 208-240V AC, 50 Hz

Pressure

208-240V AC, 60 Hz

Pressure

208-240V AC, 50 Hz

Temperature or Pressure 208-240V AC, 60 Hz

Temperature or Pressure

120V AC, 60 Hz

5

9045-00 9045-00M

9000 Series - Universal Electronic
The Paragon® 9045-00 and 9145-00 Universal Defrost Timers (UDT) are the only multi-voltage defrost timers engineered to industry refrigeration standards.
Designed to withstand the most rigorous refrigeration applications, this control offers a real-time clock and 100 hours of power loss protection for both time and defrost schedules. Mechanism-only models also are available to fit in standard defrost timer enclosures.
Features and Benefits
·Certified to UL873 standard for temperature-indicating and regulating equipment
·Wires directly to 120V AC, 208V AC or 240V AC power sources without jumpers or switches
·Rated to 30,000 cycles for refrigeration controllers with switches
·Easy programming, easy set-up, set time, set defrost start and defrost end
·Initiate 15 minute manual defrost ·100 hours of power loss protection for both time and
defrost schedule ·Real-time clock ·Lighted display shows defrost start time and duration ·System status indicators

6

Listed Product

Recognized Component

Specifications

Part Numbers 9045-00 9045-00M 9145-00 9145-00M

Description Universal Defrost Timer
Mechanism Only Universal Defrost Timer
Mechanism Only

Relay Switch SPST SPST SPDT SPDT

Initiation Type Time Time Time Time

Termination Type Time Time
Time, Temp or Pressure Time, Temp or Pressure

Voltage 120-208-240V AC 120-208-240V AC 120-208-240V AC 120-208-240V AC

9045 Terminal Data
Relay Contact

A
SPST #1 NC Contact

B

C

D

SPST #1

L1 Power in to SPST #2

Common Contact

Timer

No Contact

E
SPST #2 Common Contact

F
L2/N Power in to timer

G
No Connection

Relay Rating

30 A resistive @ 120 to 240V AC 1 HP @ 120V AC,
2 HP @ 208 to 240V AC

30 A resistive @ 120 to 240V AC 1 HP @ 120V AC,
2 HP @ 208 to 240V AC

Device Connections

Compressor (Typical)

Defrost Device (Typical)

Defrost Termination Switch

9145

Terminal

A

Data

B

C

D

E

F

G

Relay Contact

SPDT NC Contact

SPDT NO Contact

SPDT Common Contact

SPST NO Contact

SPST Common Contact

L2/N Power in to timer

Defrost Termination Device Input L2/N side

Relay Rating

15 A resistive @

30 A resistive @

120 to 240V AC 1/4 HP @ 120V AC, 120 to 240V AC 1 HP @ 120V AC

1/2 HP @ 208 to 240V AC

2 HP @ 208 to 240V AC

30 A resistive @ 120 to 240V AC 1 HP @ 120V AC,
2 HP @ 208 to 240V AC

Device Connections

Fan (Typical) Compressor (Optional)

Defrost Device (Typical)

L1 Power to Timer and to Defrost
Termination Device

Compressor (Typical)
Fan (Optional)

Defrost Termination
Switch

7

632 Series - Electromechanical
The Paragon® 632 Series Defrost Timers provide an adjustable cycle, time initiated, with one to eight On/Off operations daily with a minimum of three hours between operations.
Features and Benefits
·Adjustable delay or pump down cycle ·Drain or fan delay cycle adjustable ·Defrost initiation and length adjustable

632-20

Specifications

Part

Description

Numbers

Switch Rating

Enclosure

Adjustable Defrost Initiation

Adjustable Delay or Pump Down Cycle

Adjustable Drain or Fan Delay Cycle

632-00 632-20

Defrost Timer
Defrost Timer

120-240V AC, 10 Amps, 245 VA Switches 2-4 and 3-4 carry 1/2 HP
rating

HeavyDuty Steel

120-240V AC, 10 Amps, 245 VA Switches 2-4 and 3-4 carry 1/2 HP
rating

HeavyDuty Steel

1-8 cycles per day; minimum 3 hours between successive cycles
1-8 cycles per day; minimum 3 hours between successive cycles

0-30 minutes; 3 minute graduation: for stopping fans, reducing refrigerant
pressure, or hot gas pump down cycle
0-30 minutes; 3 minute graduation: for stopping fans, reducing refrigerant
pressure, or hot gas pump down cycle

3-15 minutes; 3 minute graduation
3-15 minutes; 3 minute graduation

Adjustable Length of Defrost
3-45 minutes; 3 minute graduation
3-45 minutes; 3 minute graduation

Sequence Switching
2 NO 2 NC

High Pressure (Open High) Cut-Out
4.75 (2.2)

Electrical Rating
120V AC

2 NO 2 NC 4.75 (2.2) 240V AC

8

Recognized Component

RM Series - Defrost Modules
The Paragon® RM Series Defrost Modules include program and motor modules for either electric or hot gas defrosting of refrigeration units. The RM Series heavy-duty synchronous industrial type motor is sealed permanently with a lubricated gear train. Up to 24 program modules can be driven with one motor. This product is available with even or odd, hour or half hour terminations. Solenoid termination is available on some models, and delivers an instantaneous transfer if the solenoid is energized when the defrost cycle is initiated.
Features and Benefits
·  Defrost initiation is adjustable from 1-12 operations per circuit, per day; minimum 2 hours required between successive operations
·  Mechanical defrost termination is adjustable from 6-106 minutes in one-minute increments
· Two SPDT snap switches per module. 3/16" male push-on switch terminals.
· Program Modules switch rating: 10 Amps, 1/3 HP, 120-240V AC; 345 VA pilot duty
· Extra trippers, part number X-7248 (12 per bag) ·  UL Recognized Component and CSA Approved

RM Series

Specifications

Part Numbers

Description

A876-99

RM Series Defrost Modules Without Solenoid

A877-00

RM Series Program Modules With Solenoid

A877-20

RM Series Program Modules With Solenoid

A878-00

RM Series Defrost Modules

A878-20

RM Series Motor Modules

A879-99

RM Series Defrost Modules

A880-99

RM Series Defrost Modules

B876-99

RM Series Defrost Modules Without Solenoid

B877-00

RM Series Defrost Modules With Solenoid

B877-20

RM Series Defrost Modules With Solenoid

D876-99

RM Series Defrost Modules Without Solenoid

D877-00

RM Series Defrost Modules Without Solenoid

D877-20

RM Series Defrost Modules With Solenoid

E876-99

RM Series Defrost Modules Without Solenoid

E877-00

RM Series Defrost Modules With Solenoid

E877-20

RM Series Defrost Modules With Solenoid

Circuit Circuit Module Circuit Module Circuit Module
NA NA NA NA Circuit Module Circuit Module Circuit Module Circuit Module Circuit Module Circuit Module Circuit Module Circuit Module Circuit Module

Hour Even Hour Even Hour Even Hour Drive Module Drive Module 4-Circuit Frame 8-Circuit Frame Even Half Hour Even Half Hour Even Half Hour Odd Hour Odd Hour Odd Hour Odd Half Hour Odd Half Hour Odd Half Hour

High Pressure (Open High) Cut-Out
0.75 (0.3)
1 (0.5)
1 (0.5)
1 (0.5) 1 (0.5) 1.5 (0.7) 1.75 (0.8) 0.75 (0.3)
1 (0.5)
1 (0.5)
0.75 (0.3)
1 (0.5)
1 (0.5)
0.75 (0.3)
1 (0.5)
1 (0.5)

Electrical Rating Motor Module NA 120V AC, 60 Hz
208-240V AC, 60 Hz 120V AC, 60 Hz
208-240V AC, 60 Hz 120V AC, 60 Hz NA NA 120V AC, 60 Hz
208-240V AC, 60 Hz NA
120V AC, 60 Hz 208-240V AC, 60 Hz
120V AC, 60 Hz 208-240V AC, 60 Hz

Recognized Component

9

A1401-00

Specifications
Part Numbers A1400-00 B1400-00 A1401-00 B1401-00 G1401-00 A1401-20 B1401-20 A1401-21 B1401-21 A1402-00 DJ2000-00 DJ2001-00 G1400-00 G1401-21 GV3001-00 GX3001-00 GY3001-00 NK2001-21 AF2001-00 AF2001-20 AF2001-21 DL2001-21

Description Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer

Residential and Light Commercial Defrost Timers Series
The Paragon® Residential and Light Commercial Defrost Timer Series is a synchronous motor control that activates an internal SPDT switch to actuate a defrost heater in a refrigerator. These heavy-duty 15 Amp Paragon timers are used by OEM manufacturers to replace both the older classic designs and the newer designs installed for residential as well as light commercial applications.
Features and Benefits
·Quiet - synchronous design provides extremely quiet operation ·Position freedom - timer can be mounted in various locations ·Interchangeability - standard mounting allows use in
all applications ·Double insulated - requires no earth grounding ·Brass contacts for better corrosion protection ·Approved for use in propane based systems

Bulk Quantity 12 12 12 12 12 12 12 12 12 12 12 NA 12 12 12 12 12 12 NA NA NA NA

Timing 6 hours 21 minutes 8 hours 20 minutes 6 hours 21 minutes 8 hours 20 minutes 6 hours 25 minutes 6 hours 21 minutes 8 hours 20 minutes 6 hours 21 minutes 8 hours 20 minutes 8 hours 21 minutes 4 hours 20 minutes 4 hours 20 minutes 6 hours 25 minutes 6 hours 25 minutes 12 hours 21 minutes 10 hours 21 minutes 10 hours 25 minutes 8 hours 7 minutes 12 hours 21 minutes 12 hours 21 minutes 12 hours 21 minutes 12 hours 30 minutes

Electrical Rating 120V AC, 60 Hz, 15 Amps, 1/2 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 240V AC, 60 Hz, 8 Amps, 1/2 HP 240V AC, 60 Hz, 8 Amps, 1/2 HP 240V AC, 50 Hz, 8 Amps, 1/2 HP 240V AC, 50 Hz, 8 Amps, 1/2 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 120V AC, 60 Hz, 10 Amps, 1/3 HP 120V AC, 60 Hz, 10 Amps, 1/3 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 240V AC, 50 Hz, 8 Amps, 1/2 HP 120V AC, 60 Hz, 9 Amps, 1/2 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 208-240V AC, 50 Hz, 8 Amps, 1/2 HP
127V AC, 60 Hz, 15 Amps 240V AC, 60 Hz, 5 Amps, 1/3 HP
240V AC, 50 Hz, 15 Amps 240V AC, 50 Hz,

10

RoHS

Recognized Component

Specifications
Part Numbers EB2001-21 K1400-00 LJ2001-21 OA1401-00 OE1401-00 OA1400-21 OA1401-21 PF2001-00 PF2001-20 PF2001-21 QE2001-21 RZ2001-21 SJ2001-20 TX2001-00 TX2001-20 WB2001-00 WB2001-20 WV2001-59 XC2001-21 XH2001-21

Description Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer Defrost Timer

Bulk Quantity NA 12 NA 12 12 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Timing 12 hours 30 minutes 10 hours 25 minutes 8 hours 7 minutes 6 hours 21 minutes 8 hours 20 minutes 6 hours 21 minutes 6 hours 21 minutes 8 hours 21 minutes 8 hours 21 minutes 8 hours 21 minutes 6 hours 15 minutes 4 hours 15 minutes 8 hours 21 minutes 12 hours 21 minutes 12 hours 25 minutes 8 hours 8 minutes 8 hours 8 minutes 6 hours 21 minutes 8 hours 20 minutes 12 hours 45 minutes

Electrical Rating 240V AC, 50 Hz, 120V AC, 60 Hz, 10 Amps, 1/3 HP 240V AC, 50 Hz 120V AC, 60 Hz, 15 Amps, 1/2 HP 120V AC, 60 Hz, 15 Amps, 1/2 HP 230V AC, 50 Hz, 15 Amps 208-240V AC, 50 Hz, 15 Amps 127V AC, 60 Hz, 15 Amps 220V AC, 60 Hz, 15 Amps 240V AC, 50 Hz, 15 Amps 240V AC, 50 Hz, 15 Amps 240V AC, 50 Hz 240V AC, 50 Hz, 8 Amps, 1/2 HP 127V AC, 60 Hz, 15 Amps 127V AC, 60 Hz, 15 Amps 127V AC, 60 Hz, 15 Amps 220V AC, 60 Hz, 15 Amps 240V AC, 50/60 Hz 240V AC, 50 Hz 240V AC, 50 Hz

11

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