6.7 Fridge Leaking Cold Air!!! - Page 21 - Escape Trailer Owners Community

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Old 09-03-2014, 07:38 PM   #201
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Originally Posted by Kountrykamper View Post
The fridge will not fit in the opening with anything attached to it. It's very tight and you have to remove the molding to get it out. The only place to add insulation is inside the opening past the framing studs.
That's the kind of info I was looking for. Outside insulation board would depend on the enclosure size.
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Old 09-03-2014, 07:43 PM   #202
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I believe Reace is insulating the enclosures around the fridge on campers being produced currently.
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Old 09-03-2014, 08:24 PM   #203
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Been there done that too. Existing flue does exhaust on condenser some especially when a baffle is installed. Manufactured a new flue to get it above the coils. Noticed no difference but it had to help some to get it above the condenser. You can't go up much higher then the fridge and still be able to slide it in. You would have to remove the roof vent and do it from the top to go any longer.

I found that Dometic actually manufactures something similar to this but seems to only be sold in Australia.
Tom,
Nice find on the Australia flue adaptor so what we have is another small piece of the puzzle in supper tuning are refrigerator. As you stated ( you would have to remove the roof vent and do it from the top to go any longer ) This would not seem to hard to achieve but what my thought is to have your adaptor in place and the Texas fan option would really help a lot.
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Old 09-03-2014, 08:40 PM   #204
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Originally Posted by Brian B-P View Post
That makes sense, but if venting the unit out the side wall (instead of the roof, a flue extending to the very top of the appliance would not work well. One extending to the roof vent would need to be specifically suited to the ceiling height of the RV, and the refrigerator manufacturer would not want to make a version to accommodate every different RV height.
Brian,
I agree with you I don't see why you could not vent out the side of the trailer in the same matter as is the hot water heater are vented on our trailers.
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Old 09-03-2014, 08:45 PM   #205
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Extension shown on this site. They make a side exhaust kit too.

http://www.dometicrvcentre.com.au/do...nager/item/421
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Old 09-03-2014, 11:07 PM   #206
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I think that Polyisocyanurate is probably the best insulation board we can use for the refers where a hard board will work. This would be used all around the outside of the box; top, sides (probably 2" thick) and some carefully applied to the back. I think it is even better than the "Pentane-blown foam" insulation Dometic uses in their T rated refrigerators. And, here is some literature I found that talks about the positive impact of foil facings on these boards. We get an extra 2 rating with the foil. R-Ratings of "7.1 to 8.7 per inch" per inch is really good for this insulating board material.

>>>>Foil and plastic facings on these foam panels help to slow the escape of gas from the cell structure. Testing suggests that the stabilized R-value of rigid foam with metal foil facings remains unchanged after 10 years. The reflective foil, if installed correctly, can also act as a radiant barrier (another type of insulation) that adds about R-2 to the insulating assembly. Panels with foil facings have stabilized R-values of 7.1 to 8.7 per inch.<<<<<

This is the website: foam board insulation

Steve (refrigeration engineer in training)
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Old 09-03-2014, 11:12 PM   #207
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Look at the cooling rating on this RM 85XX series refrigerator being sold by Dometic in Australia; (bottom of the page). The foam insulation is also mentioned.

RM8501, 106LT FRIDGE, RH | Dometic Australia
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Old 09-03-2014, 11:31 PM   #208
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Steve, KountryKamper mentioned the fridge would not fit the enclosure with anything added to the outside of the box. Is your enclosure/fridge different?
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Old 09-03-2014, 11:42 PM   #209
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Originally Posted by rbryan4 View Post
Steve, KountryKamper mentioned the fridge would not fit the enclosure with anything added to the outside of the box. Is your enclosure/fridge different?
Bryan, if you look at the enclosure pictures you can see big dead spaces around the refer. I plan to fill those spaces with the insulation boards, up to 2" thick, not on the refer itself. To keep the insulation boards tight against the refer sides I will probably back the panels with fiberglass mat to act like a cushion and carefully shoe-horn it in place..
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Old 09-04-2014, 12:12 AM   #210
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Originally Posted by hotfishtacos View Post
Bryan, if you look at the enclosure pictures you can see big dead spaces around the refer. I plan to fill those spaces with the insulation boards, up to 2" thick, not on the refer itself. To keep the insulation boards tight against the refer sides I will probably back the panels with fiberglass mat to act like a cushion and carefully shoe-horn it in place..
OK that makes sense-- tight fit surrounded by foam.
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