I have a Dometik Duo Therm Brisk Air rooftop trips AC circuit breaker when the weather turned hot. When circuit breaker is reset, the unit will run for 5-10 minutes, cooling nicely, and then trip the AC circuit breaker again.
Once the outside temperature went down, that evening, I tried it again. The AC worked fine all night and the next morning, and then same thing cut off when it got hot.
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there is a fuse located under the shroud on the roof AC on a circuit board that controls the thermostat to turn on the power to the Air Conditioner replace it it is marked F-1 or, on some F-2 etc. the air conditioner works on both DC voltage for the thermostat and AC voltage for the compressor
Sounds like thermostat is failing. There is a factory set resistor that helps the thermostat keep a 2 degree accuracy. Second possibility is that you have a fan or direct airflow from the cooling system, being devirted, that is allowing the cool air hit the thermostat on the wall.
Thermostat on wall, or manual controls at AC? Did it work for you on low before now? Reason I ask, is that normally they are only a 2 speed fan ( low and high) so if it's a wall thermostat and has been changed from original, perhaps it the way the thermostat is wired.
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
Google dometic rooftop air conditioning parts!Wouldnt suggest using off brand parts maybe diffrent?if that one is set up for 12v also maybe deffinatley diffrent!!!Try cleaning condensor aluminum fins on roof top if condensor is dirty will throw whole system out of whack!!!use oven cleaner and hose with nozzle be careful not to bend fins throughly rinse off cleaner after soak period spray off completly off roof and sides quickly!!!!!may damage decals etc!!! anyhow try that before replacing parts then use factory or alike parts!!!Good Luck!!!
Most likley this is caused by a pressure switch dropping out then making again after the pressure drops off. Try cleaning your coil on the outside on the roof as most likley it is a high pressure switch causing this problem.
I think this is a setting on your air conditioner, the air conditioner will turn off when the room is at the correct temperature and when the room starts to warm up, the air conditioner will turn back on. (You need to find the settings and change them from auto-adjust to manual-adjust)
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