Defy Upright Refrigerator Service Manual download pdf (Page 16)

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In recent years

Dometic

has engineered a new

type of cooling unit that utilizes an improved

siphon pump tube design which drastically

reduces the possibility of permanent damage to

the coils if operated in an out-of-level condition,

or too much heat is generated at the boiler

section. As we can see from this drawing, the

siphon pump tube is enclosed in the design

and is surrounded by a weak ammonia solution,

which will protect the pump tube from abnor-

mally over-heating. This type of unit; however,

does not eliminate the need for proper leveling.

The unit still requires gravitational flow to

provide the proper cooling process, and if

leveling is outside the necessary limits, cooling

will dramatically slow down or stop completely.

The cooling coils are not normally damaged in

this fashion and once proper leveling is main-

tained, the cooling process will resume.

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Spirit or bubble levels are no longer being

supplied with the new style refrigerators as the

RV or vehicle only needs to be leveled so it is

comfortable to live in, with no noticeable sloping

of the floor or walls. For diagnosis, the new

style

cooling

units that incorporate the

protection boiler system, can be differentiated

from the older style coils by the shape and

design of the outer boiler box cover on the rear

of the cooling unit. These units will incorporate

a circular metal cover,

while the older style utilizes a square

shaped enclosure.

We will discuss diagnosis

and troubleshooting of these units in more

detail later in the program.

PUMP

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Comments to this Manuals

Chilombela Terry 12 Mar 2024 | 22:29:54

I want this useful manual

Defy Upright Refrigerator Service Manual Page 16

Comments to this Manuals

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