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Wiring for Atwood Air Command Ducted Rooftop RV Air Conditioner with Heat Pump AT15028-22


I just got a duo therm control Ed unit what do the 12v red n black wires go to and bluenwhite wires


Expert Reply:

The Atwood Air Command # AT15028-22 installs by making +12V power and ground connections to the RED and BLACK wires, respectively. The two blue wires connect to the furnace and they are interchangeable. The thermostat then connects to the AC unit with the 4-wire cable. The linked wiring diagram details this installation.

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