Question about Dometic Rooftop RV Air Conditioner

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Need to know how many amps the model # 57915.741 draws

It's a roof top Dometic air conditioner unit. Serial # 75020057

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Compressor amp draw is 7-8 amps

Posted on Mar 19, 2009

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Can you recharge. a dometic a/c rooftop unit serial number 991762724


No service ports on the unit. It needs to have a service port soldered to it and the system breached before you can check / charge.

Aug 29, 2014 | Brisk Air Dometic A/C Roof Top Air...

2 Answers

Why would a Dometic 13500 rv rooftop A/C runs fine when plugged in to normal power but when hooked up to a 4000 w gen.runs for a while then kicks breaker have tried on 2 different generators any ideas


Are both the test breakers the same size (15A or 20A, etc)? Perhaps the breaker in the RV has a lower amp rating then the other one you are testing it on? If that's the case your test doesn't really tell you anything, they both need to be the same size to know where the problem may be.

Aug 08, 2014 | Brisk Air Dometic A/C Roof Top Air...

1 Answer

I HAVE DOMETIC DUO-THERM PENGUIN ROOF AIR CONDITIONING ON RV. THE UNIT WILL RUN WHEN PLUGGED INTO ELECTRICITY BUT WHEN GENERATOR POWERED THE AC UNIT KILLS THE GENERATOR ENGINE. WHAT COULD IT BE?


What size & type generator? On start up the AC unit can draw as much as 17-18 amps in some cases, and if your generator is not designed for a quick draw like that it will die.

Jan 25, 2013 | Dometic Rooftop RV Air Conditioner

1 Answer

Need a replacement r v air conditioner shroud polaris by dometic 28inches wide 41 7/8 inches long & 9 1/2 inches high


Can you get model number of bottom of upper unit, from inside the trailer? The roof unit model number will make it easier to find replacement shroud.

Sep 27, 2012 | Dometic Rooftop RV Air Conditioner

2 Answers

I have a Dometic RV airconditioner roof mounted, the model number shown on a tag inside the unit says it is Model CAL 136.312 Product Number 991650423, I cannot find this model in the Dometic catalogue is...


Your probably looking at the control module number or something in that area. When you have the ceiling assy off as in cleaning filters, look for a sticker directly on the base of the roof unit. Look all around on that base, even behind wiring harness, you should find a model number and serial number.

Jun 08, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

How to properly install roof top ac


What make and Model? You basically set it over framed 14"x14" hole, with clean surface, align it properly so gasket is aligned all around hole, install ceiling assy, inside with 4 bolts that extend to unit on roof, and draw it down evenly until gasket is compressed about 1/2 it's original thickness, hook up your wiring, etc. Are you starting from scratch, or replacing another unit?

Mar 17, 2010 | Dometic Rooftop RV Air Conditioner

2 Answers

How difficult / expensive is it to install a heat strip in a Dometic roof top AC? The unit I have has a mark on the knob for heat, but I suspect it was never installed.


Fairly easy. The only thing that you must figure out is how many amps the heat strips will draw. Make sure the fuses and the breaker switch can handle them. And be aware your electric bills will shoot up.

Oct 20, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

My roof top RV air conditioner is dripping water inside my RV


Check run-of on roof & see if it's been reduced lately, it may just be a plugged drain at base of unit on roof.

Jul 29, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

If everything works on the roof top unit; all the power is on and the lights dim when the compressor kicks in, so do you think it needs to be rechaged?


Probably not. Does it trip right away or after it runs a while? Check all your wiring connections at the unit including under the compressor terminal cap. Make sure your fan spins free & is lubricated. The condenser on the roof top could be dirty. A capacitor on the compressor could be weak or failing. It is possible there is a refrigerant leak that caused the compressor to run hot and start to draw high current as a result though.

Jun 28, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

What is the amperage draw for a dometic roof a/c unit for the compressor amd if the compressor is wearing out.


there are a large number of different A/C units so without knowing a brand/model it is impossible to give exact amperage, but for a 2-ton unit it may be around 15-20 amps @ 220 volts. if the compressor is wearing out it could be somewhat higher, up to the compressor's thermal protection point or if a circuit breaker trips. theoretically that could be 30 amps or more.

Jun 14, 2009 | Dometic Rooftop RV Air Conditioner

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