Forum Discussion
A1RVTraveler
Aug 31, 2019Explorer
Did you hook up ALL the phone (communication cables). One AC will have two communication cables (Probably Zone 1) and the second AC will have one communication cable (Probably Zone 2). Are the dip switches set on both control boxes? Did you do a thermostat reset. What did you do with the (Red, Black, Blue, Blue, Yellow, Yellow) wires?
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