Sealed System Heat Pump; Compressor; Sealed System Heat Pump Components - GE AZ45E07DA Series Technical Service Manual

Sealed System Heat Pump

9,000 BTU heat-pump model shown.

Compressor

Wiring – Compressor Check
CAUTION: Risk of in ury eep head clear of
terminal area hen cover is removed
Keep head clear of terminal area when cover is
removed.
Check windings rst. If open or grounded, DO NOT
apply power to compressor terminals.

Sealed System Heat Pump Components

Reversing Valve
On heat-pump models, the refrigerant ow direction
is controlled by the reversing valve assembly. In the
cooling mode, the main board supplies line voltage
to the solenoid coil, which causes the valve to
switch ow direction. With no voltage applied to the
solenoid coil, the valve will be in the heating mode.
*Shown with solenoid removed.
Reversing Valve Solenoid Coil
The solenoid coil attaches to the valve body with
a 5/16 in. hex head bolt. The 230/208 volt coil has
pink wires and measures approximately 1.5k ohms.
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