Overview
Universal Defrost Control for Single Stage On/Off Heat Pumps. It provides control of the outdoor equipment; compressor contactor, reversing valve, and outdoor fan in response to thermostat requests and air and coil temperatures. It also controls the indoor auxiliary heat source that is used during defrost operations and often as a second stage of heat. A defrost cycle is triggered based on outdoor air and outdoor coil temperatures that are measured using included temperature sensors.
Product Specifications
- Application
- Single Stage Heat Pumps
- Includes
- Air temperature sensor with 2 pin connector; Coil temperature sensor with 3 pin connector; Wire leads; Wire nuts; Mounting screws
- Comments
- All terminals except FAN-IN and FAN-OUT are NEC Class 2 low voltage; FAN-IN and FAN-OUT are line voltage.
- Item Type
- Product
- Mounting
- Any Orientation, but recommended to mount so display is easily readable
- Electrical Ratings
- Maximum Input Current: 200 mA; Compressor Contactor: 1A @ 24 Vac; Aux Heat: 1A @ 24 Vac; Reversing Valve: 1A @ 24 Vac; Outdoor Fan: 1/2 HP motor, 5A full load, 30A locked rotor, 240 Vac.
- Frequency
- 60 Hz
- Stages
- Single Stage On/Off
- Electrical Connections
- 1/4 in. quick connect
- Operating Humidity Range (% RH)
- Less than 95% RH, non-condensing
- Supply Voltage
- 24 Vac
- Operating Temperature Range (F)
- -40 F to 150 F
- LEDs
- System LED, Fauult LED
- Ambient Temperature Range (F)
- Coil Enable: 30 F to 36 F; Termination Temperature: 50 F to 100 F; Auxiliary Lockout Temp: 0 F to 40 F; Compressor Lockout Temp: -10 F to 40 F
- Display
- 4 character 7 segment display for Menu and Settings
- Operation
- All outputs rated for 100,000 operations
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