Page 5
XC21
Typical Unit Parts Arrangement
LIQUID LINE FILTER
DRIER (SINGLE FLOW)
LIQUID LINE SER-
VICE VALVE PORT
SUCTION LINE SERVICE
VALVE PORT
FIELD CONNECTION FOR
SUCTION LINE
HIGH DISCHARGE LINE
TEMPERATURE SENSOR (RT28)
LOW PRESSURE SWITCH
(S87)
HIGH PRESSURE SWITCH (S4)
CRANKCASE THERMOSTAT (S40)
COMPRESSOR HARNESS
FIELD CONNECTION FOR
LIQUID LINE
GROUND LUG
HIGH VOLTAGE FIELD
CONNECTIONS
CONTACTOR−1
POLE (K1)
MAIN CONTROL
(A175)
CAPACITOR (C12)
FAN MOTOR CONTROL (A177)
(BUILD −05 AND LATER)
WIRE TIE
OUTDOOR AMBIENT
TEMPERATURE
SENSOR (RT13)
FAN MOTOR SURGE PROTECTION (BUILD
−05 ONLY) LATER VERSIONS HAVE SURGE
PROTECTION BUILT INTO FAN MOTOR.
SECOND GROUND LUG FOR SOURCESOURCE
®
(BUILD −05 AND LATER)
Figure 1. Plumbing, Switches and Sensor Components
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