Question about Dometic Rooftop RV Air Conditioner

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Penguin 13500 ac short cycling

I have this in my rv bedroom.The unit has thermostat control knob on unit.When it reaches temperature and the compressor turns off it will try to restart within 1 minute.After 3 or 4 times the 20 a breaker trips.Can I hook a wall thermostat up to this unit.This unit has 3 fan speeds ,3 ac fan speeds and manual thermostat control knob.My dealer put a 30 a braker in and said dometic said thats the only way to fix short cycling.I don't but that at all.This unit is new and still under warranty.

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UNITS THEMOSTAT IS BAD REPLACE THERMOSTAT IF DONT SOLVE PROBLEM MAKE SURE UNIT IS NOT FREEZING UP AND BOUNCING OFF A "FREEZE STAT" CASING COMPRESSOR TO SHORT CYCLE

Posted on Aug 01, 2009

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1 Answer

Compressorruns fora short time


the thermostat controlling your unit likely has a window type of programming for digital or mechanical adjustment for older style thermostat that sets a minimum off temp and a maximum on temp, there may be an adjustment to set the range it operates at, otherwise you may have a defective thermostat controller unit and it needs replacing also insure that the temperature sensing element is clean and free of dust build-up and your filter is clean

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1 Answer

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Unfortunately, your rear unit is calling for heat. If you put the rear unit on heat pump mode, does it then cool?
moz-screenshot-2.jpgmoz-screenshot-3.jpgThe reversing valve is energized in the cool mode of these AC's. So there is no real way to bypass it. I would check the thermostat and the control board in the unit to make sure that the switches are set correctly.

In the service manual section of the dometic/Rooftop RV Air Conditioner section. I have posted service manuals for the Heat Pump and the Comfort Control.

Hope this helps,

Jeff

Rate me please.
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1 Answer

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1 Answer

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