Description
The Emerson 47D01U-843 Universal Heat Pump Defrost Control Board is the FIRST microprocessor-based universal replacement defrost controller intended for single-stage heat pump systems.
The Emerson 47D01U-843 offers two defrost modes: Demand Defrost and Time/Temp Defrost.
Demand Defrost initiates when a set difference between the outside coil and the air temperature is reached. Time/Temp Defrost is based on a field-set temperature and run time.
The Emerson 47D01U-843 supports both O/B Reversing Valve Options: Heating/Cooling.
This control board offers a simple, one button configuration and can easily operate with any OEM System.
Features:
- Demand Defrost Option
- AUX Heat Lockout
- Low Temp Compressor Lockout
- Cersatile Mounting Tray
- Pre-Configured, Adjustable Settings
- Test Mode
- 8×8 Matrix LED Display
- OB Reversing Valve
- Multi-position display
- Reversing Valve delay for quieter defrost
- Air and coil sensors
- Strain-proof sensor connectors
- Voltage: 24
- Includes Harnesses for Universal Application
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