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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Posted on Jan 02, 2017

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4 Answers

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.

Good luck,


Aug 24, 2014 | Dometic Rooftop RV Air Conditioner

1 Answer

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 bought a honerwell regular digital thermostat and changed it trying to follow directions the 4 (four) wires coming out ofn wall and that were connected to old thermo were red, black, yellow and white. ...

Wiring color to Thermostat Depending on what thermostat youhave and existing wires. Typically red and white are for heat and yellow andgreen are for cooling. On base of thermostat there should be initials stampedto identify wires by color. R. W. Y. G. Possible Rc. and Rh if so for most usesyou need to jumper these two together. You may have a blue wire instead ofyellow or green. If so just hook blue to y or g. Hope this helps you. Thanks.

Jan 05, 2011 | Heating & Cooling

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

My heat will not shut off i have a remote thermostat i can take thermo wires apart at ac unit and stop it

The thermostat is supposed to do the same thing you are doing when you take the thermostat wires apart at the ac unit - it's not.

I would replace the thermostat and see if that doesn't fix the problem.

good luck!

Mar 21, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

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

1 Answer

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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