GSZH5 Service Manual

58
PRODUCT DESIGN

Rectifier

Line
Line
Run Capacitor
C
R
S
Internal Unloader
Coil
FIGURE B
1. It is expected that the majority of run hours will be in
the low capacity, unloaded mode.
2. It allows a simple two-stage thermostat to control
capacity through the second stage in both cooling and
possibly heating if desired.
Unloader Solenoid
A nominal 24-volt direct current coil activates the internal
unloader solenoid. The input control circuit voltage must be
18 to 28 volt ac. The coil power requirement is 20 VA. The
external electrical connection is made with a molded plug
assembly. This plug is connected to the Comfort Alert™
or CoreSense™ Module (dependent upon which module

direct current to the unloader coil.