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4.4 EVAPORATOR
The evaporator uses evaporating refrigerant to remove heat from the inside of the unit ultimately making the interior cold. The
shape and size of the evaporator may vary among the models covered by this service manual but the fundamentals are the same
(see Figures 4.9). The RF24D uses a vertical right angle evaporator plate.
It is normal for the evaporator to frost up during its run cycle. This frost will dissipate once the unit reaches its “cut out” tempera-
ture and the compressor and fan stop. This condensate water will ow to the rear of the machine in a condensate pan where it will
be evaporated from compressor and fan heat. It is very important that the evaporator frosts in a uniform pattern across the plate
(see Section 3.6, Evaporator Frost Pattern). A partial frost pattern can lead to excessive run times and cooling issues.
Figure 4.9:
Evaporator plate used in the RF24D
SEALED SYSTEM
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