Lennox G50UH Series

Page 24
505254M 05/2009
FIELD INSTALLED CLASS II 24V
FIELD INSTALLED LINE VOLTAGE
TYPICAL G50UH(X) FIELD WIRING DIAGRAM
FIGURE 24
INTEGRATED CONTROL BOARD
COOL
HEAT
PARK
FAN
EAC
XFMR
LINE
HUM
5 Terminals
FS
24V HUM
Blower − Cooling Speed (120VAC)
Blower − Heating Speed (120VAC)
Unused Blower (Not energized)
Continuous Low Blower Speed
Accessory Terminal (120VAC)
Transformer (120VAC)
Input (120VAC)
Heat Only Accessory (120VAC)
120 Volt Neutral
Flame Sensor
Heat Only Accessory (24VAC)
TERMINAL DESIGNATIONS
1/4" FEMALE
QUICK
CONNECT
*
*
*Factory setting
FIGURE 25