Johnson Controls SA PD 180 THRU 240 - Manual (Page 12)

430645-YIM-D-0610
12 Johnson Controls Unitary Products
Figure 3: Typical Field Wiring Diagram - NC090 Air Handling Unit With PC090 Heat Pump
R C Y1 G W1 W2
THERMOSTAT
SINGLE STAGE COOLING
TWO STAGE HEATING
NOTE: Do not use a heat pump thermostat.
NOTE: Liquid line solenoid is not included or required
on 7.5 Ton Single Stage Units.