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7.
Defrost Drain
.
a. Inspect the drain cup and drain gutters. Refer to
Repair as required.
Figure 4 Defrost Drain Cup and Gutters
b. Clean the defrost drain lines using a low pressure water hose
to flush debris contained in the drain. Check that the water is
running freely from the outside drain. Refer to
.
Figure 5 Outside Drain
8.
Electronic Expansion Valve (EEV)
a. Check for refrigerant leaks and corrosion.
b. Verify that the EEV coil is connected to the stepper drive pow
-
erpack.
