Refrigeration-Frigoboat Keel Cooled vs. others? - Page 6 - SailNet Community
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post #51 of 70 Old 10-20-2011
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So, T37Chef, did you come to a decision?

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post #52 of 70 Old 10-21-2011 Thread Starter
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Arggg...not yet. You?

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post #53 of 70 Old 10-21-2011
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Arggg...not yet. You?
Actually, we're going with the keel cooler. Just placed the order today. There are pros and cons to every solution. We think this one is the best fit for us. Who knows if we're right? Practical Sailor didn't take me up on the personalized, localized, customized test, so I just had to pick something.
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post #54 of 70 Old 03-31-2012 Thread Starter
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Re: Refrigeration-Frigoboat Keel Cooled vs. others?

Still haven't made a purchase...but the defender sale is this weekend

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post #55 of 70 Old 04-01-2012
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Re: Refrigeration-Frigoboat Keel Cooled vs. others?

Double arrrrgh! I'm in the same boat here. Would like to get the Defender sale price but still torn over which unit to use. I like the amp rating of the Isotherm SP Evaporator but don't like the fact that it stops working if the boat is out of the water for a few days. Same w/ keel cooler models. Am thinking of just going with the smallest fan unit for about 1/2 the cost, about the same amp/hr rating.

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post #56 of 70 Old 04-06-2012
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Re: Refrigeration-Frigoboat Keel Cooled vs. others?

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I like the amp rating of the Isotherm SP Evaporator but don't like the fact that it stops working if the boat is out of the water for a few days.
I have an Isotherm SP refrigerator and separate freezer. They work fine on the hard. Power consumption goes up but you are usually plugged in so that isn't a big deal. You have to be sure not to leave the plug in the sink drain as it acts like a chimney for the heat exchanger.

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post #57 of 70 Old 04-06-2012
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Re: Refrigeration-Frigoboat Keel Cooled vs. others?

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I have an Isotherm SP refrigerator and separate freezer. They work fine on the hard. Power consumption goes up but you are usually plugged in so that isn't a big deal. You have to be sure not to leave the plug in the sink drain as it acts like a chimney for the heat exchanger.
Thank you for that info. This is the way I'll go, with the smallest unit. I just assumed the heat dissipation went to zero when out of the water. The only thing I need to check out is the feasibility of cutting off the sink drain which is fiberglass tube molded right into the hull. It's not a thru-hull fitting.

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post #58 of 70 Old 04-06-2012
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Re: Refrigeration-Frigoboat Keel Cooled vs. others?

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Thank you for that info. This is the way I'll go, with the smallest unit. I just assumed the heat dissipation went to zero when out of the water. The only thing I need to check out is the feasibility of cutting off the sink drain which is fiberglass tube molded right into the hull. It's not a thru-hull fitting.
Definitely feasible. Although it may sound like major surgery I would cut out the entire tube and put in a thru-hull and run hose from the sink drain to the thru-hull. It will be easier to run from the hole in the sink to the hole in the hull than to try to work with the fiberglass drain.

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post #59 of 70 Old 04-07-2012
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Re: Refrigeration-Frigoboat Keel Cooled vs. others?

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Definitely feasible. Although it may sound like major surgery I would cut out the entire tube and put in a thru-hull and run hose from the sink drain to the thru-hull. It will be easier to run from the hole in the sink to the hole in the hull than to try to work with the fiberglass drain.
Found a new sp2055 on ebay for a really good price, right from Indel. Went over to boat to assess the location and there is just enough space to drill out the old fiberglass standpipe and replace with the new heat exchanger unit. I don't like drilling a 2 1/2" hole but the .55 amp rating on this unit is too good to not do this. It'll leave me amp/hrs to spare. Also, just above where it will come through is a small hatch area in the counter that will work great as a completely new fridge location which I can super-insulate with some polyisocyanurate. The original box on the starboard side is WAY too large anyway, probably 6 cu ft. Project underway....finally! Thanks for your input.

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post #60 of 70 Old 06-12-2012
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Re: Refrigeration-Frigoboat Keel Cooled vs. others?

I wonder if JonEisberg's lack of oil collection is related to the cooler being near the waterline? It would make sense that if the compressor is lower, that might solve the problem. I've met people who had the same blockage problem, btw.

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