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I have a travel trailer with a roof top a/c colman mach111 and I hooked up a thermostate digital. The heat works but cant get a/c to come on. the termanials on hunter thermostate are G W Y RC RH

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OK, the wiring that you should have in your RV is as follows: Red White Blue Yellow Green Gray.

This Thermostat will not work on this Air conditioner because the tstat you are installing is a 24V thermostat. The connections are as follows G = Fan, W = White, Y = Cooling, RC = 24V Cool, RH = 24V. The only thing that I can think to do is hook it up like so.

On the G Terminal, Hook up the Green wire from the wall. On W, hook up the White wire, Y, hook up the yellow wire. RC = run a jumper from the RH terminal, RH = hook up the red wire. If this doesn't work then you will have to go back with the coleman thermostat.

Posted on Jul 04, 2009

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Posted on Jan 02, 2017

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