Question about Dometic Rooftop RV Air Conditioner
Roof top a/c (Dometic) on a 33 1/3 foot RV. When temperature is at or near 100 degrees, amps build at the breaker to 24 and the breaker trips. This has restricted our travel in warm or hot climates.
Any remedy or do I have a piece of junk?
When the coils are dirty there is not a good heat transfer and there is little condensation of the refrigerant gas, the pressure in the condenser coil builds up too high and the compressor takes more amps, having the risk of geting burnt. Either the protector inside the compressor stops the compressor or the braker at the generator electrical wiring.
You have to make sure the coils are perfectly clean and try your ac checking the amps it takes when it is running, with dirty coils and with clean coils. and check the rated amps of the compressor at full load FLA
Posted on Jul 22, 2009
How long since the evaporator coils & fins, as well as condenser coils & fins have been thoroughly cleaned? Everything works harder when it can't get proper air flow. I have seen units that owners swear they cleaned well, but had no idea, they had to vacuum &/or wash down the coils way up inside the area that the return air filters are. If you take a flashlight & stand on a small ladder or something, and shine it way up to top, you'll see what I'm talking about. Even when filters are kept clean, over years, dust collects up there & add moisture to that & you get like mud clogging up those coils. If your up to it, or have someone who is, or will, going up on the roof and remove cover, I can tell you proper way to clean entire upper unit so that it has a chance of running as cool & efficient as possible. It doesn't cost anything other than some time, and a little elbow grease. Let me know.
Posted on Jul 20, 2009
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Posted on Jan 02, 2017
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