Johnson Controls R-410A - Page 119

505429-JTG-L-0512
Johnson Controls Unitary Products 119
Typical Field Wiring Diagram - J10 thru 20NC Evaporator Unit with J10 thru 20PC Heat Pump
J10 - 20NC 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