Dometic NDR1292 Operations Instructions download pdf (Page 8)

Overall Recess

Refrigerator Dimensions Minimum Dimensions

Model

Height Width Depth Height Width Depth

ABCHWD

inch 59-31/32 33-11/16 25-15/16 59-1/16 32-3/4 24

NDR 1292

mm 1523 855 659 1500 832 610

This method of installation and these clearances will give you adequate space for service and proper installation.

OPERATING

INSTRUCTIONS

IMPORTANCE OF LEVELING A

REFRIGERATOR

In an absorption refrigerator system, ammonia is lique-

fied in the finned condenser coil at the top rear 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 am-

monia, flowing downward 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 ammonia gas, or in severe

cases, completely block it, resulting in a loss of cooling.

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 floor or walls).

When the vehicle is moving, the leveling is not critical,

as the rolling and pitching movement of the vehicle will

pass to either side of level, keeping the liquid ammonia

from accumulating in the evaporator tubing.

OPERATION

Before starting the refrigerator, check that all the manual

gas valves are in the ON position. DO NOT forget the

manual shutoff valve on the rear of the refrigerator, see

FIG. 1.

This refrigerator is equipped with an Automatic Energy

Selector (AES) control system, which can automatically

select the most suitable energy source which is avail-

able, either 120 Volt AC, or LP gas operation. The system

can be set by the user to be fully automatic, or if desired,

LP gas only. The refrigerator controls will work down to

9.6 volt DC.

! WARNING

Most LP gas appliances used in recreational ve-

hicles are vented to the outside of the vehicle.

When parked close to a gasoline pump, it is

possible that the gasoline fumes could enter

this type of appliance and ignite from the

burner flame, CAUSING A FIRE OR AN EXPLO-

SION.

FOR YOUR SAFETY, when refueling, shut off all

LP gas appliances which are vented to the out-

side.

FIG. 11

Side view

View from above

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Dometic NDR1292 Operations Instructions Page 8

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