Question about Dometic Rooftop RV Air Conditioner

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Replacing air condition unit

We are replacing a coleman air condiotoner with a duo therm unit and we are not sure uf the wire is the same can you help

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Wht u mean by uf .send details

Posted on Mar 28, 2008

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We are replacing a coleman air condiotoner with a duo therm unit and we are not sure if the wiring is the same


some of the wires from duotherm unit not used may be for external sensors not on the coleman unit. have to look at wiring diagrams to know

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I see what you see also in the manual. The difference is the Heat Strip package that part is optional and the 600212-001 with the optional heat strips becomes the new 600315-001 I talked to Dometic Duo-Therm and the models are the same but they both are not heat pumps but the new heat strip package comes on when told to go into heat mode when you change the thermostat to heat. The part you purchased will fit both model numbers you listed for your roof top air conditioner. Thanks, Sea Breeze

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Try Johnstonesupply.com. Use the information you provided above.

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My dometic duo therm brisk air RV a/c unit is not cooling the RV


I had the sam problem, took the thermostat cover off and tightend and refastend the wires, so far so god

Oct 27, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Duo-therm fan only runs on low


useually a sticking fan relay in the controll board this is the closeest unit to a home based cenral air system and i would leave this one to the experts if you want to trouble shoot there is a detailed wiring diagram on the back side of the pc board cover on the fan and compessor unit it self there is a seperate relay for each speed on your unit make sure getting power to selected relay if not trace wiring and do continutity tests back to themostat

Jul 28, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Location of reset switch


The only reset switch on the air conditioners if the actual 120Volt Circuit Breaker located in your coaches breaker panel. Locations vary depending on unit type. If that does not work, you have other issues.

Jun 30, 2009 | Coleman Air Conditioners

1 Answer

REPPLACING FAN AND COMPRESSOR CAPACITORS WITH A SINGLE UNIT


Well, it sounds as if you have a Coleman rooftop unit. If you have a start capacitor with a PTCR (Postive Temperature Coefficient Resistor) then it is different than if you have a Potential Motor Starting Relay. Why are you replacing the run and the fan capacitor?

Here is a link to the documentation that you need. If you do not have a Coleman and it is in fact a Duo-Therm, let me know the model number and I will be able to pull up the wiring schematic.

Thanks,

Jeff

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Jun 26, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Will not shut off


Sounds like a stuck relay on the unit itself. Maybe there is a short in the control wire that comes from the thermostat that activates the fan.

The thermostat probably has one hot wire at all times. The thermostat then chooses which wire to send the voltage down based on your selection. One of those wires is probably for the fan only. Make sure that it is in good condition (no bare, pinched or wires)

Jun 03, 2008 | Dometic Rooftop RV Air Conditioner

4 Answers

Duo-Therm by Dometic Thermostat


red and white are positive and neg 12v
green is low fan
grey is high fan
yellow is cooling
blue is neg 12v(marked B-)

May 17, 2008 | Dometic Rooftop RV Air Conditioner

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