Johnson Controls R-410A Heat Pump User Manual


 
505429-JTG-F-1010
116 Johnson Controls Unitary Products
Typical Field Wiring Diagram - J07NC Evaporator Unit with J07YC Condenser Unit
NOTE: On non J**NC/ND Evaporator models, isolation
relays must be installed to avoid overloading on 75
VA transformers on the condensing unit.
G C
Y1
RW1 W2
THERMOSTAT
SINGLE STAGE COOLING
TWO STAGE HEATING
X
NOTE: Liquid line solenoid is not included or required
on 7.5 Ton Single Stage Units.