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The Fan On My RV Air Conditioner Continues To Blow When The Thermostat Shuts The Cold Air Off. Whats Wrong

Asked on: July 9, 2010
Under: Cooling Perfomance
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1 Answer

I have a 1995 Gulfstream Conquest RV. It has a duct Coleman air conditioning unit. When the inside of the RV is cooled to the temp set on the thermostat, it shuts off the cold air but not the fan. What could be wrong with it? I just replaced the power board in the roof, but it did not fix the problem. The thermostat has a Low/High option, but I don’t see an Auto option.

   

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There are One Response to “The Fan On My RV Air Conditioner Continues To Blow When The Thermostat Shuts The Cold Air Off. Whats Wrong”
  1. Magyver says:

    I’ve had a dozen different RV’s, all of them left the fan running when the compressor shuts off, my 96 Cobra does it too.

    You can have the wiring modified to cut the fan off with the compressor, it would likely make the fan last longer, but it will involve using a 120 volt relay to switch the power.

    The wiring can probably be done inside the RV, inside the cover below the unit, tying into the wiring there, using the thermostat to trigger the relay coil, and the output being tied into the fan wires behind the fan switch, or the wiring harness.

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