SCHEMATICS
CIRCULATOR
BLOWER
HI
HEAT
COOL
K2
K2
K3
K1
.0005
3M
FP
FLAME
SENSOR
PROBE
IGNITOR
This schematic is for reference only. Not all wiring is as shown above. Always refer to the appropriate wiring diagram for the unit being serviced.
16
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
ELECTRONIC
AIR CLEANER
LO
CIR
PARK
HEAT
NEU
K3
FACTORY
JUMPER
K4
GND
IGN
MV
MLV
COM
PM
HI
2-STAGE
GAS VALVE
TYPICAL SCHEMATIC
GME8 ____** MODEL FURNACES
WR 50M56-289 INTEGRATED IGNITION CONTROL
INDUCER
EAC
IND
EAC
NEU
K6
K5
FACTORY
JUMPER
PS
HLI
HLO
AUX
HIGH
LIMIT
LIMIT
PRESSURE
SWITCH
R
RO2
ROLLOUT
RO1
SWITCH
TH
K7
XFMR
HOT
24 VAC
XFMR
NEU
COMPRESSOR
CONTACTOR
TR
COIL
C
Y
Y
G
G
W
W
PSO
R
THERMOSTAT