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Air conditioner ?

 
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Fishstix2



Joined: 29 Aug 2019
Posts: 8

C-Dory Year: 2006
C-Dory Model: 255 Tomcat
PostPosted: Tue Sep 10, 2019 3:33 pm    Post subject: Air conditioner ? Reply with quote

We are in the process of purchasing a 2006 Tomkat 255. The air conditioner has overheated recently due to an oil filled cooler or motor thingamajig. It was refilled but I fear due to age and lack of attention the thermostat among other things might be compromised. I canít find a schematic on this to try and get a new thingamajig. Anyone have any experience with the care and repair of said item? And did or need I mention we are Tomkat Virgins?
Thanks for not laughing in public in regards to this post!
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DavidM



Joined: 24 Dec 2017
Posts: 153
City/Region: Punta Gorda
State or Province: FL
C-Dory Year: 2006
C-Dory Model: 22 Cruiser
PostPosted: Tue Sep 10, 2019 4:52 pm    Post subject: Reply with quote

At the very least we will need to know the brand and model. is is a permanently installed, raw water cooled A/C or is is more like a room window unit or RV rooftop A/C?

David
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Fishstix2



Joined: 29 Aug 2019
Posts: 8

C-Dory Year: 2006
C-Dory Model: 255 Tomcat
PostPosted: Tue Sep 10, 2019 8:47 pm    Post subject: Air conditioner Reply with quote

It was a factory installed unit. Not raw water cooled. As explained to us this oil motor is the cooling agent. Kinda like antifreeze in the radiator? Not a window unit at all. Unit in cubby hole in port pontoon. I was hoping someone else with this year model might have run into issue.
We are three hours from boat but will try and get more info. I was hoping someone with this same year model might have run into this issue.
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jennykatz



Joined: 15 Dec 2003
Posts: 1583
City/Region: naples
State or Province: FL
C-Dory Year: 2006
C-Dory Model: 23 Venture
Vessel Name: Little Treasurer
Photos: Jennykatz
PostPosted: Wed Sep 11, 2019 7:28 am    Post subject: ac Reply with quote

I would check the name, model, serial number .Then from there you can get better advice. I believe that the factory installed models where water cooled and maybe that's the problem running the AC without the boat being in the water?Check the Freon and clear the water lines out
The AC needs to cool down either through air Like an RV or window unit or water cooled like most marine AC units .

We just put on a Coleman 9200 BTU AC and it is wonderful This is what a lot of c-brats have on their boats takes up less space runs when boat is on lift or trailer and is less then $1000 installed
Good Luck

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retired 8/08 from UAL, still working pt tm
Duck c-22 cruiser sold 6/23/08
06 Venture Cruiser with merc115CT
00 cd16 cruiser honda 40 sold 3/12
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thataway



Joined: 02 Nov 2003
Posts: 17007
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Wed Sep 11, 2019 4:15 pm    Post subject: Reply with quote

The only marine AC units I have seen were all raw water cooled. It is not cooling the motor--the refrigerant oil and air does that. The condenser coils need to be either air or water cooled. There usually is a raw water pump, under the step to the cabin door, which circulates that water--picked up, and discharged over the side. Even if oil were used, there would have to be a pump, and some method of discharging the heat.
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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL
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DavidM



Joined: 24 Dec 2017
Posts: 153
City/Region: Punta Gorda
State or Province: FL
C-Dory Year: 2006
C-Dory Model: 22 Cruiser
PostPosted: Wed Sep 11, 2019 5:05 pm    Post subject: Reply with quote

We have sort of gone round and round with this question. It seems not to be an RV or window A/C unit, so it is likely a below decks installed, raw water cooled, marine A/C unit. These have hermetically sealed motor/compressor modules and that may be what you are asking about. The "oil" you mention is probably freon, a gas/liquid that the compressor compresses, is liquified in the evaporator (the double tube heat exchanger that the raw water circulates around) and is vaporized in the evaporator (the finned unit that the blower blows air through) which cools the air.

With all due respect, your questions and your responses indicate to me a limited understanding of marine A/C systems. I would get the manufacturer's name- it should be easily visible on the unit, and find a local A/C service organization for this model and ask them to fix it.

I don't think you will have any luck trying to DIY.

David
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