Emerson 47D01U-843 Universal Heat Pump Defrost Control Board
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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
8x8 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