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Date:         Sun, 25 Sep 2011 11:28:27 -0400
Reply-To:     Edward Maglott <emaglott3@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Edward Maglott <emaglott3@GMAIL.COM>
Subject:      insulating hot side of Dometic refer
Content-Type: text/plain; charset="us-ascii"; format=flowed

It's time for the periodic fridge removal and as usual I'm wondering what could be done to improve it's hot weather performance. Mine seems to work best on electric in hot weather. I theorize that the propane fire puts a lot of extra heat back there, making it harder for the refrigeration process to expel heat. So maybe making sure more of that heat stays away from the fins would help. And also keeping more heat away from the refrigerated box seems like a good idea. Would it help to put some thin insulation like reflectix between the heat radiating fins and the back of the unit? It seems to be made as one unit with the fins attached to the back in several places, so doing this would require a number of separate pieces but not too hard. How about adding insulation around the "hot column" and on the exposed exhaust pipe as it goes up from the column to the exit outside? That is just bare metal throwing off heat behind the cabinet. Any ideas or comments?

While I'm in there I'm prepping for the classic exhaust fan in the former city water inlet door which should help, and putting in a 12V accessory outlet next to the vent grille on the back of the fridge cabinet. What is the best choice these days for a heat transfer compound to put between the cold-pipe and aluminum fins inside the fridge?

Edward


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