Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage, personal injury or death.
Y
S
R C
BK
COMP
BK
Crankcase Heater (optional)
Connected at L1, L2
BR
CM
For different than factory speed tap, change cooling
speed at Cool Terminal (IIC) and change heating speed
at Heat Terminal (IIC).
PR (L 2)
R
Low
BU
Medium
BK
High
EM
PR
BR
3 speed
optional
CAP. 2
Alternate 3 speed motor
BK - High Speed
BU - Medium High Speed
Y (4-speed motor only) - Medium Low Speed
R - Low Speed
ALS
PR
PS
Y
PR
Y
Accessory economizer plug
(on select models) adjacent
to blower
RS
housing in
return air
compartment.
PR
White-Rodgers
Gas Control Valve
PR
GV
BU
BU
VM
R
PR
28
Wiring Diagram—WGGE4324, 30, 36, 42
BU
BU
BU
PR
BK
R
CAP 2
LS
R
BR
BR
EM
1 2 3
4 5
R
Y
BU
BK
PR
4 speed motor
G
Y
PL
Y
3
6
BU
2
5
1
4
PR
Y
Honeywell Gas
Control Valve
PR
R
(alternate)
W
MV
BU
Y
GV
MV
Y/Y2 Y1
C
R
W
To THC
see THC Field Wiring Diagram
IG N
OR
FS
R
PR
WARNING
HIGH VOLTAGE!
R
R
BK
PR
BK
T1
T2
R
Y
BU
L1
L2
CC
BK
BK
BK
1
2
3
PR
C
208
240
TR A N S
24 V
PR
BU
R
GY
EC O N
G
OR
G
R
R
PR
For different than factory
For different than factory
For different than factory
speed tap, change cooling
speed tap, change cooling
speed tap, change cooling
PR
speed at Cool Terminal (IIC)
speed at Cool Terminal (IIC)
speed at Cool Terminal (IIC)
and change heating speed
and change heating speed
and change heating speed
at Heat Terminal (IIC).
at Heat Terminal (IIC).
at Heat Terminal (IIC).
BK - High Speed
BK - High Speed
BK - High Speed
BU - Medium High Speed
BU - Medium High Speed
BU - Medium High Speed
Y (4-speed motor only) - Medium Low Speed
Y (4-speed motor only) - Medium Low Speed
Y (4-speed motor only) - Medium Low Speed
R - Low Speed
R - Low Speed
R - Low Speed
BR
Y
GND
Crankcase Heater (optional)
Power Supply
208 to 230/1/60
BK
For 208 volt transformer operation,
move the black wire from Terminal
3 to Terminal 2 on transformer.
BU/PK
HPS
Wiring is subject to change.
BU/PK
Always refer to the wiring
diagram on the unit for the
most up-to-date wiring.
Replacement wire must be
the same size and type of
insulation as original (use
copper conductor only).
Y
BU
Y
Y
R
BK
BK
FS
IIC
BU
Y
R
BK
CAP 1
F
H
C
R
IMPORTANT: