Technical information

19
SCHEMATICS
TO AVOID POSSIBLE ELECTRICAL SHOCK, PERSONAL INJURY,
OR DEATH, DISCONNECT THE POWER BEFORE SERVICING.
WARNING
!
TYPICAL SCHEMATIC
GUCA***BX** OR GCCA***BX** MODEL FURNACES
WHITE-RODGERS 50A65-288 INTEGRATED IGNITION CONTROL
This schematic is for reference only. Not all wiring is as shown above,
refer to the appropriate wiring diagram for the unit being serviced.
.0005
3M
K5
K2
HEAT COOL PARK PARK
CIR
NEU
K8
GAS
VALVE
HIGH
LIMIT
AUX
LIMIT
PRESSURE
SWITCH
FLAME
SENSOR
PROBE
IGNITOR
FP
IGN
GND
MV MV
PS
HLO
HLI
CIRCULATOR
BLOWER
XFMR
HOT
XFMR
NEU
24 VAC
TH
RO1
RO2
R
TR
C
Y
G
W
COMPRESSOR
CONTACTOR
COIL
THERMOSTAT
R
Y
G
W
INDUCER
IND
ELECTRONIC
AIR CLEANER
HUMIDIFIER
HUM
NEU
IND
EAC
EAU
NEU
K3
ROLLOUT
SWITCH
LINE HOT
120 VAC
LINE NEU
K1
FACTORY
JUMPER
FACTORY
JUMPER
FUSE