Emerson 47D01U-843 Universal Heat Pump Defrost Control Board

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