Typical Nl120 - 240 Liquid Line Solenoid Wiring - York R-410A Technical Manual

505428-YTG-V-0417
TB2
C S1 S2 G1 G2 66 60 X
C S1 S2 G1 G2 66 60 X
TB2
EVAPORATOR CONTROL BOX
Typical Simplified Field Wiring Diagram – NL120 thru 180 Evaporator with PC120 thru 180 Heat Pump Condenser
VALVE SYS 2
1LLS

Typical NL120 - 240 Liquid Line Solenoid Wiring

122
CONDENSER CONTROL BOX
UCB
VFD COMM
TB VFD
3-1 VLT
1
2
3
4
TB5
218 / BR
BLK
BLK
219 / Y
SE CONTROL BOARD
THERMOSTAT CONNECTIONS
W1 W2 Y1 G Y2 0CC
VFD C
R C
TWO STAGE COOL/FAN
TWO STAGE HEAT
Note: Do Not Use a heat Pump
X R SD-24
Y1 Y2 G
THERMOSTAT
Thermostat
Johnson Controls Unitary Products
C
W1 W2