Lennox G32 SERIES Unit Information

Page 34
VII−WIRING DIAGRAMS & SEQUENCE OF OPERATION
FIGURE 44
GWYCR
SURELIGHT CONTROL
CONTROL
BOX
THERMOSTAT
IGNITION
CONTROL
GAS
VALVE
LIMIT
BLACK
BROWN
TO COMPRESSOR
CONTACTOR
FIELD INSTALLED CLASS II 24V VOLTAGE
FIELD INSTALLED LINE VOLTAGE
TYPICAL G32 FIELD WIRING DIAGRAM
L1 N
TRANSFORMER
DOOR
INTERLOCK
SWITCH
COMBUSTION
AIR BLOWER
LOW HEAT
PRESSURE
SWITCH
(−75 ONLY)
FIELD
MAKE−UP
BOX
GND
J69
WHITE
TO ACCESSORY IF USED.
(ELECTRONIC AIR CLEANER)
IF NOT NEEDED, DO NOT INSTALL
ACCESSORY WIRE IN J69.
G
C
R
Y
FLAME
ROLLOUT
SWITCH
W2 W1
W2
TWO STAGE RELAY CONTROL PIGTAIL
FURNACE MAY BE CONTROLLED BY EITHER
A SINGLE  OR TWOSTAGE THERMOSTAT
(TWO STAGE THERMOSTAT SHOWN)
FUSED DISCONNECT OR
CIRCUIT BREAKER
(FURNISHED BY INSTALLER)
HIGH HEAT
PRESSURE
SWITCH
FIGURE 45
COMPRESSOR
COMMON
POWER
HEAT
INDOOR BLOWER
COMMON
HS UNIT
COMMON
HS UNIT
COMPRESSOR
Y
W
Condensing Unit
G32 and CONDENSING UNIT
THERMOSTAT DESIGNATIONS
(Refer to specific thermostat and outdoor unit.)
COOLING
Y
G
W1
C
R
G
R
C
W2
W2
2ND STAGE HEAT
Two−Stage
Thermostat*
SureLight
Control Board
G32 TWO−STAGE CONTROL
BOARD PIGTAIL LEAD
*Single−stage thermostat does not contain W2 terminal
and W1 terminal is designated as W.

Lennox G32 SERIES Specifications

General

Brand	Lennox
Model	G32 SERIES
Category	Furnace
Language	English