Importance Of Leveling A Refrigerator - Dometic RM2612 Operating Instructions Manual

SECTION B.
REFRIGERATOR
MODEL
RM2612
RM2812
* Fill in "XXX" with color code numbers. For color codes, contact your supplier.
** Alternate instructions forwarded with the Vent Kit.
SECTION C.

1. IMPORTANCE OF LEVELING A REFRIGERATOR

In an absorption refrigerator system, ammonia is liquefied in
the finned condenser coil at the top of the refrigerator. The
liquid ammonia then flows into the evaporator (inside the
freezer section) and is exposed to a circulating flow of
hydrogen gas, which causes the ammonia to evaporate,
creating a cold condition in the freezer.
The tubing in the evaporator section is specifically sloped to
provide a continuous movement of liquid ammonia down-
ward by gravity through this section. If the refrigerator is
operated when it is not level and the vehicle is not moving,
liquid ammonia will accumulate in sections of the evaporator
tubing. This will slow the circulation of hydrogen and ammo-
nia gas, or in severe cases, completely block it, resulting in
a loss of cooling.
CERTIFIED VENT SYSTEM KITS
KIT
NO.
4A
POWER VENT
(Island/through
floor)
OPERATING INSTRUCTIONS
7
COMPONENTS
ROOF BASE
ROOF COVER
LOWER SIDE VENT
POWER VENT ASM.
ROOF BASE
ROOF COVER
Any time the vehicle is parked for several hours with the
refrigerator operating, the vehicle should be leveled to
prevent this loss of cooling. The vehicle needs to be leveled
only so it is comfortable to live in (no noticeable sloping of
floors or walls).
When the vehicle is moving, the leveling is not critical as the
rolling and pitching motion of the vehicle will pass to either
side of level, keeping the liquid ammonia from accumulating
in the evaporator tubing.
PART NO.
3103633.XXX *
3103634.XXX *
3102277.XXX *
3104131.002 **
3103633.XXX *
3103634.XXX *