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Marine-AC Topics
Troubleshooting
Compressor makes an awful sound

Compressor makes an awful sound
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Member

sabrejocky

posts 14

8:33 am January 25, 2012
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Its a 1997 unit and uses a RKA5510EXA compressor. I bought the boat about a year ago and the first owners did not make much use of it, only 400 hours on the engines and never ran the a/c unless they where using the boat. 

Ps the boat is 1993 Carver
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Steve Pooler

posts 1127

8:41 am January 25, 2012
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That looks like a Tecumseh model # and I'm guessing it the "R" stands for Rotary….

If you look again at the PDF & page down to replacement compressors….The short Tubby compressor on the left is a Piston type…The taller one on the right is a Rotary…

Thing here is with that little run time/usage….What made it go bad ???

What size duct is connected ???

 

Steve~
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Steve Pooler

posts 1127

8:55 am January 25, 2012
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What I'm thinking here is if the boat was delivered new with A/C…

1993 boat, 1997 A/C…So the first unit only lasted what 4 maybe 5 years ?…Now another has failed without much usage ???

Kinda points to a problem somewhere…Maybe in the installation…

 

Steve~
Member

sabrejocky

posts 14

9:25 am January 25, 2012
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Yes a rotary unit. I replaced the ducting a couple of months ago the was able to upsize it by 1". This unit has a multi contact connector plug between the electricalbox and the unit that has been giving me some problems (bad connections) and I am planning to just hard wire it. I also found that the waterpump is to small and have a new bigger one to put in.

I have 2 units, a 12000 and 16000 and it was all running of one lc-3cp-md and I am replacing it with a ac-5c-md.

 

Cor
Member

sabrejocky

posts 14

9:36 am January 30, 2012
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A follow up.

I had an a/c tech that is a friend of a boating friend replace the compressor and charge it, than I reinstalled it myself, hard wired it and replaced the pump.

It is much quieter than before and cool better to, so all is good.

 

Cor
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Steve Pooler

posts 1127

9:48 am January 30, 2012
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Thanks for the update Cor~

Glad it's working out  Cool

 

Steve~
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