Having problems with your Air Conditioners ?

Mal functioning thermostat on duo therm model 620215

\015 On off switch will not keep unit running unless pressure is kept on switch. Do you have a replacement thermostat for this model air conditioner?\015

Answers :

Ok;
Upgrade kit Part# 3307713.010
Price is 274.75 Plus shipping
Can be purchased from any Dometic dealer or I have an ad on this site. Coach Tech RV
Thanks for using Fixya
Jerry


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Mal functioning thermostat on duo therm model 620215


Ok;Upgrade kit Part# 3307713.010Price is 274.75 Plus shippingCan be purchased from any Dometic dealer or I have an ad on this site. Coach Tech RVThanks for using FixyaJerry ... Dometic Rooftop RV Air Conditioner

Thermostat problem Thanks for replying. It's a 1998 National Tropi-cal motor home. I do not have a good manual on the Duo-Therm thermostat or heater. The picture on the link you sent me looks exactly like the one I have. The part # for the thermostat is 3106463.007(located on the back of the old thermostat). I see that other people have had problems with this same model. I sprayed the push buttons on the unit with contact cleaner and it had no effect. I'm wondering if it is definitely th


Try this # Phone: 1-800-544-4881 Ask for tech assistance, if no luck ask for sales rep. Have your Make, model & serial #'s ready for both thermostat you are trying to use & your AC unit. They should be able to tell you if that thermostat w ... Dometic Rooftop RV Air Conditioner

A duo therm thermostat (p/n 3105058) was removed because it would not operate the air conditioner/heater in a firan fireside camper. it was knocked loose from the wall damaging it.the thermostat is for use in a six wire system.the camper wiring consists of of two bundles; one bundle of two conductors (red and white wires) and a bundle of four conductors(red,blue,white & green wires).the thermostat also has a high/low fan switch. the camper owner bought a white-rodgers model 300 thermostat to rep


A. Remove the cover of the thermostat.b. Connect the RED wire from the air conditionerto the “RC” terminal on the thermostat.c. Connect the “YELLOW” wire from the air conditionerto the “Y” termina ... Dometic Rooftop RV Air Conditioner

Duo-Therm Brisk Air Model 59516.601 Ducted Roof Air w/wall thermostat


First of all, I think you mean 110 volts on your meter, not amps, just so we're on the same page. It sounds to me like you may have a capacitor problem on your compressor. I'll try to see if I can find you a part # if you have someone very experience ... Dometic Rooftop RV Air Conditioner

I have a Duo-Therm by Dometic AC/electric heat unit on my 5th wheel trailer. I need a new thermostat for the rear unit and I was told that they are no longer in stock as the coach is a 1994. the Part No. for the thermostat kit is 3105712. The Ac model number is: 620215.321. There must be a thermostat that is interchangeable. I have the coach for sale and this is holding it up. Please answer asap. I have tried all over online and am getting nowhere since it is an older unit. Thank you.


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I''ve been working on this thing for three weeks now. It is a Dometic Duo Therm model 57915.531 roof top ac on my rv. It will not run. This is what i have done so far: replaced the thermostat, there is voltage to the thermostat; there is voltage to the unit. I replaced the circuit board today (took two weeks to get it from Dometic)but nothing. I don''t know what else to do. It has a new thermostat and a new circuit board. Other than the two capacitors on top at the compressor there is nothing el


Check the compressor winding resistance from common to start \015\012start to run\015\012run to common \015\012the two lowest should equil the highest\015\012also check shorted to ground \015\01 ... Dometic Rooftop RV Air Conditioner

Dometic Duo therm RV a/c rooftop unit. 15,000 btu with heat pump. model 620515. age 5 years. Problem- will not always stay ON. Starts and cools fine. but shuts off within 5 mminutes sometimes.. or will run for hours and hours with no problems. when it stops, I can sometimes restart it by cycling thermostat.. if that does not work I can unplug thermostat from 12v power and then it starts when asked to. Have replaced computer circuit board and wall thermostat.. no change.


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I have a Duo Therm Quick Cool, model 59516331, mounted on a 2001 Dutchman. With the A/C on it cools great but the compressor does not kick out or cycle. The unit runs until it freezes and can't blow air. When I shut the unit off manually from the thermostat the compressor continues to run, the only way to shut it off is to shut the breaker off. I am wondering if it could be the thermostat? I have checked everything I can think of. Any advice for me?


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Dometic Duo-Therm Model 57915 Thermostat will not allow it to cool below 70


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I have a Dua Therm model 620015.405. on a old Country Coach. AC has always been great but know fan quit workingon last trip. The thermostat still lights up but no functions work. I do not here any sound coming from unit when I try to turn on. Any suggestions? Thanks.


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I have a 1992 Class C Gulfstream Ultra motorhome with a Dometic, Duo-Therm roof top AC system (ducted) model # 58915 and the old analog thermostat on the wall. The unit comes on and the compressor seems to be kicking in a few seconds later (just from the sound of it) but it's just blowing cool air. Not hot but DEF not cold! Do I need a new roof top unit or could there be a cheaper fix such as a known part that fails on these units? Hate to buy a whole new unit for 700 bucks plus labor if it's po


Well Paul I will do my best to save you any money I can. Have you checked the condition of the unit under the shroud? It sounds like you might just have a dirty unit and the cooling fins could be clogged with debris of some sort. There are many makes ... Air Conditioners

I have a Duo-Therm Penguin model#610115405 that cools and the fan changes speed(slower) when the room gets cooled and the compressor kicks out, but the fan will not shut down.I have the same unit fwd in my RV that works fine. I tried switching the thermostat,ptcr relay and the capacitor that is below the ptcr. Any other suggestions ? Dont see anything that else that I can easily switch to check.Still not shutting down?


Hi,\015\012the relay that is suppling the power to the fan is welded shut and is not opening. This often happens with relays, the contacts get pitted and then they heat up and weld fast. The relays that run the fan faster and slower are still w ... Dometic Rooftop RV Air Conditioner

Duo-therm model 58915.602 thermostat show 11,87 volts but does not run


Needs a full 12 vols to activate relays. ... Dometic Rooftop RV Air Conditioner

Have duo-therm thermostat model number 3105604.023 need to know if there is any place we can get another one just like it. i have looked can not find we are concern that the digetal display doesnot work right. it is in are 5th wheel that we live in. so we need one just like it or one that is combaitable to it.


Your best bet would be to take your thermostat to a local HVAC contractor. They can match up and sell you a replacement thermostat. They will have their mark-up of course, but part of the cost should cover their expertise and advice as to how to repl ... Dometic Rooftop RV Air Conditioner

RV Dometic Duo Therm roof top AC w/heat pump Model #630515.321El Serial #21631212 Yr. 2003. It is the rear unit, front unit working fine. In AC mode it is blowing hot air as if the heat pump is on. Fan and compressor are working. Thermostat control was replaced and a new circuit board was applied, but did not solve issue. What is the answer to solve it?


If the Air comeing out is the same as the temp inside the RV make sure the compressor is running and not just the fans. It could be low on freon. If freon is ok then you would need to ck the wiring to the selector switch for a short. It would be obvi ... Dometic Rooftop RV Air Conditioner

My duo-therm forced air direct vent furnace will not stay lit. L-342465, model 65930-064. When I turn on the thermostat, I hear the fan, but then it starts clicking. Like it's trying to start. Sometimes it does & I feel warm air coming thru the ducts. But not all the time. It's in a 1983 Aljo 5th wheel trailer that I live in. Please help. It snowed this morning. Thank you, Brenda


I currently have the same problem. It's happened before and it was the circuit board on the right inside of the heater. Tired of that board going out ($) several times, so this time I'm going to remove the board and look at it myself for any common p ... Air Conditioners

I have a Duo-Therm RV Roof Air Conditioner Model 57915.622, Prod # 991731648, Ser # 84818800. It will not run. I changed the Compressor and Fan start capacitors. When I turn the unit on at the Thermostat nothing comes on. The Air Conditioner Control Unit E155095, Part # 3107541.009. The fuses are okay.


... Dometic Rooftop RV Air Conditioner

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Hi, we call that delayed ignition. I have lost all of my eye brows and lashes because of this!! If the burners are coming on, but they start going out, you have raw gas still coming in that is igniting. This can be caused by dirty burners, a gas leak ... Air Conditioners

When set to cool and thermostat turned down all it does is blows hot air Duo-Therm model # 59146-331


Check to make sure the compressor and condenser fan are working. If the are you may need to have the charged. If not you need to find out why. ... Dometic Rooftop RV Air Conditioner

Duo Therm Penguin model 610115.311 AC unit no-power


Actually you should have fried you converter. What is the voltage reading you get for the air conitioner? supply? One should run off the generator and the other on shore powerIs it set up that way?. ... Air Conditioners

Duo Therm Model 59116.502 only runs when bypassing control board


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Duo-therm 1350 ceiling, ducted AC(model 57915.622) in a 2000 HR 29' 5th whl. original unit worked fine but just failed - ''compressor leaking oil''. replaced with a used unit with a new or rebuilt compressor. this replacement stops cooling after about 30 minutes. turn it off and wait a while and it cools again for a while. day temps in the mid 80's and mid to high humidity as in michigan. repair guy sticks his hand up inside the unit and sez ''no icing''. he wants to install a new duo therm and


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I have a 2005 Pilgram 27 foot 5th wheel. My Duo Therm AC unit makes a ticking sound from the ac unit itself when it's not running. Shutting off the Duo Therm analog thermostat does not stop the ticking sound coming from the AC unit, nor does cutting the AC breaker (20 amp), nor cutting the ac power to the entire RV. I had to cut disconnect the rv battery AND cut the ac power to the RV before it'd stop ticking. When running however, the ac works beautifully. When it reaches it's intended temp


It's obviously on the 12voltDC circuit of the AC unit. Sounds like thermostat, or a relay in control box is faulty or bad connection. If you remove cover on ceiling assy., you should be able to hear it in the control box. There should be a model numb ... Dometic Rooftop RV Air Conditioner

Duo therm air conditionning/furnace thermostat in RV


Checked all breakers & fuses in panel ? ... Dometic Rooftop RV Air Conditioner

Duo Therm Model 59516.531 RV Airconditioner not cooling


The refrigerants in these units is R-22 But there is no reason to think the system has a leak. You need to confirm that the comprerssor is running. This requires an ammeter. If you don't have one call a technician.\015\012\015\012Ray ... Dometic Rooftop RV Air Conditioner

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