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RUNNING AC W/LOW FREON

RUNNING AC W/LOW FREON
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strainc

3:04 pm September 16, 2010
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My aft AC (MarineAir 12k)is not cooling nearly as well as my forward AC (MarineAire 16k) though both run off of the same pump.

The aft unit cools pretty well at night but loses the battle quickly after the sun comes up (in Houston, TX). Meanwhile, the forward AC cools fine all day. The air intakes on both are clean; new filters and no I clean the growth out of the oversized seawater strainer (which is used the the same pump for both AC's. I also clean out the lines each week by pushing high-pressure water through the system until the chocolate brown color chagnes to clear on the out-flow).

If the aft unit is low on freon, will it harm it to run it during the day?

Chuck

P.S. If I set a fan to blow the air from the salon to the aft cabin the aft AC does a better but still not great job.
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Steve Pooler

posts 1127

5:40 pm September 16, 2010
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If any A/C is running low on freon…No matter the time of day or night…It will damage the compressor from overheat !

As I have said many times here…It's freon return that cools the compressor…Water only takes the heat out of the freon.

A system with not enough freon will not return enough of it to cool the compressor…

Please get your unit checked…

Steve~
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