Johnson Controls SA PD 180 THRU 240 User Manual

Page 14

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430645-YIM-D-0610

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Johnson Controls Unitary Products

Figure 6: Typical Field Wiring Diagram - ND180 thru 240 Evaporator Unit with PD180 thru 240 Heat Pump

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 not included or required
on any 4 pipe units.

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