Question about Dometic Rooftop RV Air Conditioner

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No cold air. Unit runs fine.

Can I refill the unit with R22 or something. Is this possible. I just purchased my Camper and wanted to fix this myself if possible. It is A dometic Duotherm model 57915.622 ser # 74517983

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  • 166 Answers

There are a variety of probable causes of your AC's failure to blow cool air. Unfortunately, it is difficult to diagnose your situation without being there. However, I have a great, handy diagnostic article that specifies the main problems so that you can definitely come to find the cause applicable to your AC's failure. I'm not too familiar with RV AC's and how they may differe a bit from house AC's, but your AC very well may need a recharge of refrigerant/Freon by a technician, but short of that, try this first:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Home_Improvement_Zone_Cooling_Ventilation_Systems_Central_Air_Conditioning_Does_Not_Cool.htm
This should defintely help.
Good luck!
Brad

Posted on Jun 01, 2009

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  • 10 Answers

SOURCE: No cold air. Unit runs fine.

yes if it has service ports but if it lee=aked out you need to fix leak first

Posted on May 31, 2009

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