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Wiring Diagram for Dometic Single Zone Thermostat and Control Box  

Question:

I need a diagram for a 2018 Forest View camper Dominic single zone 3 wire thermostat and a control panel wiring box

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Expert Reply:

The Replacement Single Zone Thermostat for Dometic RV Air Conditioners # DMC79FR is a single zone 3 wire thermostat like the one you are describing. I have attached the wiring diagram for this thermostat and the control box below for your reference.

expert reply by:
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Robin H
Dometic Control Box Wiring
Dometic Control Box Wiring
(click to enlarge)
Dometic Thermostat Wiring
Dometic Thermostat Wiring
(click to enlarge)

Darrell B.

7/20/2024

I have the exact thermostat that you're showing in your diagram with three wires coming to it but you're showing a yellow wire and a black wire and a red wire I have a red wire a white wire and a blue wire I need to know which term where they hook up in the thermostat

Etrailer Expert

Robin H.

7/20/2024

@DarrellB I don't know what those wires correspond to in your setup so the best I could say is to test them or trace them back to find the right function. The only wires I know of for the thermostat are the black, orange, and red/white shown above. If you still can't figure it out I would call Dometic and see if they are aware of variations in the wiring colors to help you wire it up correctly. If nothing else they can help you actively troubleshoot while you're standing at the thermostat.

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