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430645-YIM-D-0610
Johnson Controls Unitary Products 13
Figure 4: Typical Field Wiring Diagram - NC120 thru 240 Evaporator Unit with PC120 thru 240 Heat Pump
Figure 5: NC120 - 240 Liquid Line Solenoid Wiring
R C
Y1
G W1 W2
Y2
THERMOSTAT
TWO STAGE COOLING
TWO STAGE HEATING
NOTE: Do not use a heat pump thermostat.
NOTE: Liquid line solenoid is only activated during
second stage cooling operation.
219 / Y
218 / BR
1LLS
VALVE SYS 2
BLK
BLK
C O I L