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Old 27-03-2011, 18:38   #16
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Re: marine air a/c conversion question

c d: the reconfiguring of the genset required slowing the motor revs and rewiring (actually reconfiguring) the tappings. if you go to the boat's website and click on the "manuals" tab you'll find the westerbeke genset manual - see pages 39 and 40.

yes, you're right - 230VAC
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Old 28-03-2011, 10:51   #17
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Re: marine air a/c conversion question

Wouldn't it be easier and cheaper to just replace the AC's I've seen a number of fairly recent used ones on sale for both power types, (other conversions???).
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Old 06-04-2011, 05:25   #18
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Re: marine air a/c conversion question

from Dometic: "Running at 50Hz will see a 17.5% decrease in capacity on all the equipment" but apparently no other issues
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Old 06-04-2011, 18:31   #19
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Re: marine air a/c conversion question

Quote:
Originally Posted by ozskip View Post
Yeah i get the picture after 39 years in marine refrigeration you are new at this with only 5 years and work slow
some just prefer to do it right.
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Old 08-04-2011, 17:05   #20
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Re: marine air a/c conversion question

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Originally Posted by michaeldsusa View Post
some just prefer to do it right.
Who rattled your chain
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Old 08-04-2011, 21:14   #21
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Re: Marine Air a/c Conversion

Robert Burns.
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Old 28-08-2012, 10:09   #22
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Re: Marine Air a/c Conversion

Hi Bob

Were you ever able to sort out your air conditioning problem? I ask because I am now in exactly the "same boat": I am in Malorca, Spain, converted one input of my shore power from 120VAc;60 Hz, to toaccept 240VAC 50 Hz (by a Victron isolation transformer) to supply ship's systems with 110VAC @ 50hz. Most systems work except the raw water pumps for the airconditioners which will run noisily for a while and (predictably with 50hz) run slower, become quite hot and eventually trip the breaker after a few minutes. However, if I run my 12.5KW Westerbeke generator (that supplies 110VAC at 60Hz for ship's systems), the airconditioner pumps run quietly and stay cool. This sounded like the problem you described. I wondered if you ever found a satisfactory solution.

Pat

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Hi,

I have recently completed the conversion of my boat from 110VAC 60hz to 240 VAC 50 hz. I have the three Marine Air "Cabin Mate" (VCP12k and 2 x VCP7k) a/c units disconnected.

Is it possible to convert these 110VAC 60hz units to accept 240 VAC 50 hz by simply switching out the compressors for suitably rated ones or is it more complicated than that?

Thanks

Bob
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