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Old 07-18-2014, 07:39 AM   #1
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cpaharley2008's Avatar
Join Date: Jun 2010
Location: Central, Pennsylvania
Trailer: Escape#4, 2019 Escape21 DejaView pulled by 2014 Ram Hemi/8sp
Posts: 20,763
Something is not level

Having owned and operated several trailers with rv refrigerators where "being level" is the gospel to proper operation of the cooling system and drooling over the new 5.0 TA pictures I noticed something. The air conditioner on the 5.0 is not level when the trailer is level. How does it manage to operate at an angle when other appliance do not?
The liquid cooling is very similar inside with the refrigerators yet it still manages to work at something like 20 to 30 degrees off level? Does anyone have an explanation?

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Old 07-18-2014, 07:46 AM   #2
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Join Date: Jun 2014
Location: Canyon Lake, Texas
Trailer: 2015 19 "Past Tents", 2018 F150 2.7L Ecoboost
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Yeah. Absorption cooling uses only gravity to create the flow-- there is no pump or compressor, which consume alot of energy. There is a slope to the coils but its gradual. If you are on an incline, the flow may be impeded or actually stop, because the gravity based system can't overcome the incline.

Conventional refrigeration with a compressor (like your a/c) isn't as subject to gravity so it can work on an incline -- at least, according to most manufacturers "up to 30 degrees". Same goes for conventional compressor or AC/DC fridges we discussed ad nauseum on a thread a few days ago. Some of us were contemplating using a compressor based fridge instead of an absorption one. Not because they can operate out of level (which they can) but because they get colder.

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Old 07-18-2014, 09:56 AM   #3
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Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 12,279
Robert has it exactly right.

5th wheels routinely have a sloped roof (for the same reason as Escape, transitioning from the sleeping loft to the main area height) and usually have an air conditioner mounted this way.
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