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RV air conditioner questions

Doubletrouble

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Doubletrouble

Doubletrouble

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 So we have a 1994 Coachman 5th wheel. It has ducted a/c in the roof. It works fine, my goal is to change the thermostat for the HVAC to possibly digital. When I do this is there a way to have the a/c shut off when the compressor is not engaged? Presently the fan runs constant wether or not the compressor is engaged or not. I'd like to have the entire unit shut off if the compressor is not running if possible.

 I figured it would be a little more energy efficient that way and the noise from the fan running all the time would also be cut down quite a bit.

 To further this, is there a way to set up a "climate control" type thermostat to where a person could set the desired temperature and the thermostat would turn on either a/c or the furnace to achieve set temp?

 Just curious, I want to change the t-stat anyway as it's pretty old (oem to the camper) and question it's accuracy. Thought was, if I need to change it why not an upgrade?

 If it's going to be to involved to do I'll just leave it the way it is.

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Mopar1973Man

Mopar1973Man

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My Jayco I've upgraded to a digital thermostat. When the temperature is +/- 2 degrees from set it will fire up either A/C or heat till it at least 1 degree past set point. My A/C shuts off both fan and compressor together. I've got Coleman Mach A/C unit.

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Doubletrouble

Doubletrouble

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 I have to get the make and model number for our a/c. It has a very basic thermostat on it now. Just thought I'd upgrade it since I want to replace it anyway.

 The way it works now is the a/c fan will blow constantly but the compressor will cycle when the tstat calls for more cool air.

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Mopar1973Man

Mopar1973Man

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Might check the thermostat might have a fan switch for auto/on. The OE thermostat had a fan auto or lo fan or hi fan. The new thermostat only had auto or on so I picked the hi fan leads for the on position. Thermostat wiring is all 12V wiring.

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