New 4.3 & 6.7 fridge info - Page 13 - Escape Trailer Owners Community

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Old 08-02-2014, 11:28 PM   #121
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SN (Subnormal) from +10C to +32C

N (Normal) from + 16 C to + 32 C

ST (Subtropical) from + 18 C to + 38 C

T (Tropical) from + 18 C to + 43 C

I've read that Dometic gets a lot of complaints on SN rated units. Would someone look at your 5.0 plate at the Climate Rating and let us know what it says. Apparently the 5.0 units aren't as much of a problem. THX!

I found some published info that states the 5.0 is Climate Class N.

A good link to read about this topic..

Tropical Rates Fridge - Caravan and Motorhome Books
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Old 08-02-2014, 11:56 PM   #122
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Anyone have a picture of a 6.7 cu ft label?
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Old 08-03-2014, 12:05 AM   #123
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I found this website that states that the 8555 (6.7) is equivalent to Climate Class SN.
Look in the fine print...

Dometic RM8555 Caravan Fridge

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Old 08-03-2014, 12:10 AM   #124
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This is a very good guide on cooling technologies in refrigerators published by Dometic.

https://www.dometic.com/b7342c38-3e4...8ae83680.fodoc

The more I read the more I am becoming convinced that the Dometic 8551 (4.3cuft) and 8555 (6.7cuft) units were developed for the European market where the average climate is milder than the US and that the Climate Ratings for these units being SN will be fine there...but probably not here.

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Old 08-03-2014, 12:12 AM   #125
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RM8551/RM8555 is the small (4.3) fridge. RML8555/RML8551 is the large (6.7) one. The "L" makes it the big one.
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Old 08-03-2014, 12:14 AM   #126
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RML8555 (6.7) is only rated to 32C. See Steve's Dometic link or Dometic RML8555 motorhome fridge by OBriens camping RML 8555
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Old 08-03-2014, 06:55 AM   #127
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Well, that pretty well decides it for me. I don't see going to the trouble to pull the fridge to install a baffle for another degree or two. I do think it's worth trying to insulate the fiberglass wall behind the fridge so the sun beating on it doesn't push it past the 32C environment prematurely.
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Old 08-03-2014, 08:27 AM   #128
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So SN class will never cool in the summer.

RM8551 Refrigerator cooling capacity: +7C at ambient temperatures up to 32C

Open the door once and you are at 50 degrees and it will not recover until the ambient temp drops.

After pulling the fridge several times to try different things like building baffles, insulating around the entire fridge, insulating the exterior wall, installing fans high and low, installing fans inside nothing seems to make a difference. I guess we are out of luck in the summer.

I would buy a ST model or T model if I could find one but can't seem to find any of these 8551/8555 in the US. Also none of the US models appear that they will fit without tearing the camper apart.


Would someone that has a fridge that is working good at above 90 degree ambient check the class and post it.
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Old 08-03-2014, 08:47 AM   #129
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I know ETI is installing the 6.7 according to Dometic specs, but does anyone know what's in the "ventilation kit," as seen on the label above?
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Old 08-03-2014, 09:00 AM   #130
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Quote:
Originally Posted by Donna D. View Post
I know ETI is installing the 6.7 according to Dometic specs, but does anyone know what's in the "ventilation kit," as seen on the label above?
Hi: Donna D... I believe the ventilation kit is the plastic lower vent and the roof vent. Our vents are working as the trailer sits. Evidenced by the dry fiberglass area between both vents. We seem to have gotten your weather here in S. Wet Ontario. Alf
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