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Old 08-10-2018, 05:56 AM   #3
JRTJH
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Join Date: Mar 2011
Location: Gaylord
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The absorption system has many "sloped evaporation coils" through which the coolant (ammonia with zinc chromate for corrosion control) flow as it evaporates and absorbs heat from the refrigerator interior. As the coolant flows down those sloped coils, any pooling will allow the coolant to stand in one place. When this happens, the zinc chromate will separate from the ammonia. Zinc chromate is a solid and will settle in the stagnate pool and cause a blockage at that location. The blockage prevents the coolant from flowing past that location and can affect cooling or in some cases, completely stop cooling. There is no repair for this and the cooling unit must be replaced.

Dometic states that "as long as the trailer is comfortable for living" that it is level enough to operate the refrigerator. If it were my refrigerator, I wouldn't operate it at 5-6 degrees out of level. You may find it works well for a few times (as the zinc chromate solidifies) but once it reaches a blockage level sufficient to stop the flow, you've destroyed your refrigerator. YMMV
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