Question about Dometic Rooftop RV Air Conditioner

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Rv domatic a/c and heater

I have a fifth whell prowler 1993. I need the wire color for the air heater thermostat I got a new thermostat its a thermo therm and the wires are color out the wall now what? the thermostat has o wires out of it so what does all the colors and the two letters mean like "R" and "W" and all those mean. please thell me every thing.

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Need to know what your air conditioner make & model is. Are you running air conditioner & furnace off same thermostat, or are they on separate ones?

Posted on Aug 16, 2008


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Ac compressor wants to run with the thermostat turned off?

Either your thermostat is shorted or the primary wiring to the contactor is shorted or even a stuck contactor.

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Aug 24, 2014 | Dometic Rooftop RV Air Conditioner

1 Answer

1999 fleetwood prowler 25 5b

You need to visit a local dealer...any RV dealer. They should provide a general walk through as a courtesy. Pay them for a maintenance inspection and they can provide a detailed explanation of their work. After that you might be able to troubleshoot/repair simple problems yourself.

Feb 15, 2014 | Water Heaters

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I have a 1993 wild-wood RV and there is no thermostat for the ac. Ac and Heat are separate. It has a plug sticking out of the wall. the plug has 6 colored wires with black plug. How do I find a thermostat...

I would suggest going to an RV place of business to get one. The stat should or will be like a home stat, if I knew the wire colors I could walk you through wiring it up.Normally, only 4 to 5 wires are used. Red would be hot, white heat, green, for the fan, yellow for cool. You are going to need a voltage meter and some help to check for power at these wires. Being a RV, it might be 12 volts. Could be wired for 24 volts ac when you plug the master cord in. I would need more information from you to solve this.

Sep 29, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

I want to convert my #57915.541 unit to a wall thermostat. What do I need and how do I do it.

just disable the original wire came from the thermo an full it out you will have a two wire now the external thermo has 4 terminal it mean it has an supply depend on the model..
put the two set of wire that came from the thermo and put it to the external thermo and the other two wire is your suplly

Aug 14, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

Where to hook up wires?

First, take the old thermostat off the wall.

there should be different colored wires coming out of the wall still connected to the old thermo.

on the new thermo, there might be a wire color chart in the instructions or on the inside of the new thermo.

You should be able to line up the colors and install them that way. let me know if you have any other problems

Jan 12, 2009 | Honeywell Programmable Thermostat Heater

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Ac and heater wont work

Do you hear any clicking at all ( up near AC or down near furnace, when you move the thermostat ? Have you checked you breakers & fuses in the trailer?

Aug 08, 2008 | Dometic Rooftop RV Air Conditioner

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Thermostat wiring for second ac unit

I replaced one unite with another and the wires are differance colors the old unites wires are red,purple,yellow,bleck and white the new one have orange,brown,cream,darkpurple,and white

Aug 01, 2008 | Dometic Rooftop RV Air Conditioner

1 Answer

Rv air conditioning

You may have to remove your filter & look for a model # of your unit, so we can pinpoint your wiring to the thermostat. Usually the terminals on the thermostats are labeled -RC-RH- etc, and you simply move old to new of the same. A lot of times some manufacturers will use phone cable form AC unit to thermostat, and mix up the colors, that's the reason for going to the AC and see what color is used from there. It could be red from control box, connected to green wire to thermostat for example. Thats where you note it and wire accordingly.(terminal calling for red wire, would now be green) If your stumped, get back to us with that model#.

Jul 12, 2008 | Dometic Rooftop RV Air Conditioner

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