20 Most Recent Dometic 57915531 Air Conditioner Questions & Answers

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Dometic rooftop a/c compressor will not shut off.

I had the exact same problem, duo-therm AC unit on my RV the compressor ran continuosly, had to shut it off at the breaker. I too replaced the relay board thinking it was a stuck relay but the problem was still there. Good news is I found the problem. I took the cover off the thermostat panel inside the coach and found the thermostat wire marked "cool", was loose. I tightened this connection and the compressor shut down. Looks like the compressor and fan use seperated thermostat wires. Easy fix, and now I have a spare relay board that I didnt end up needing in the first place :-) Solution= check your thermostat connections at the terminal block inside your thermostat panel, they are probably loose.
5/27/2019 12:32:25 PM • Dometic 57915531... • Answered on May 27, 2019
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Rewire 12Volt into 24Volt

You have to get you a transformer .voltage input 120 and out put 24 volts.But will have to wire it through a relay or contacter with the coil volts 24.
9/17/2017 2:31:11 AM • Dometic 57915531... • Answered on Sep 17, 2017
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How many watts dose a 15000 btu rv ac use

multiply the amps on data plate by voltage applied its watts
8/18/2015 8:02:46 PM • Dometic 57915531... • Answered on Aug 18, 2015
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HOW MANY AMPS DOES A RV 15,000 BTU AIR CONDITIONER

it draws locked rotor amps at power application. capacitors boost it quicker then you read it if all ok then runs at full load amps.
8/18/2015 9:11:49 AM • Dometic 57915531... • Answered on Aug 18, 2015
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The duotherm a/c unit on our camper is a

should work
8/18/2015 9:03:13 AM • Dometic 57915531... • Answered on Aug 18, 2015
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What startup surge Watts required for 20100btu Air Conditioner

take amp draw and multiply it times voltage to give you watts.
8/17/2015 10:54:46 AM • Dometic 57915531... • Answered on Aug 17, 2015
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Starting amps 15000 btu ac

with a good start capacitor you will not have time to read starting amps. it should drop to running amps almost instantly.
8/17/2015 10:33:48 AM • Dometic 57915531... • Answered on Aug 17, 2015
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15000 btu roof top does not cool but fan will run.

compressor capacitors, thermostat, relay module, bad compressor, lost charge of freon.
8/17/2015 10:02:34 AM • Dometic 57915531... • Answered on Aug 17, 2015
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Compressor comes on and blows 52 degree air, but will cycle off and on every few minutes.

could be or the compresor is going off on a safety. replace run capacitor.
8/16/2015 11:55:56 AM • Dometic 57915531... • Answered on Aug 16, 2015
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Whats the best to clean evaporator and condenser

condensor straight water, evaporator they make a solution that you spray on and continue to run in cooling it self rinses.
8/16/2015 11:52:43 AM • Dometic 57915531... • Answered on Aug 16, 2015
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How many amps will a 15000 btu ac unit pull at

15,000 BTU stating current 18 to 20 amphs. And running amphs will be around 6.5 to 7 amphs.
1/10/2015 6:34:20 PM • Dometic 57915531... • Answered on Jan 10, 2015
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I meant the AC does not cool

Make sure the mode is set to freeze and temperature is set to below the room temperature. If it is a split system, check the outdoor unit whether it is running. If it is running, see if you can reach and feel the temperature of the pipes connecting between the indoor and the outdoor unit. It should be cool. If it is not cool, you may need to get somebody to check the refrigerant.
5/22/2014 6:50:30 AM • Dometic 57915531... • Answered on May 22, 2014
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