Help.. How to Winterize A/C system?

Prospective

Active member
Joined
Sep 7, 2006
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23085
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I have a 28 ft Monterey with a 10btu A/C and heat system. I have seen alot of info on the board on how to winterize. All great stuff.. Haven't seen anything on what to do with A/C.

I am assuming I have to suck up some A/F into system from thru/hull hose. That would seem to imply I need to do it while boat is in water and on shore power. Also, how do I know when I've done enough? Am I right or am I missing something.

Any suggestions, steps, or links are appreciated.

-Prospective
 
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