Williams 2903512 - Electrical Wiring Diagram

Electrical Wiring Diagram
EV1
EV2
M
M1
M2
M9
NP
RP8
RP7
S
SF
LOW FLAME COIL
HIGH FLAME COIL
FAN MOTOR (2 MOTORS)
OVERHEAT THERMOSTAT
FAN THERMOSTAT
MAIN FUSE – 5X20 size – 4A
PRESSURE SWITCH
FLAME SENSOR
SPARK IGNITER (2 pcs)
COMBUSTION BLOWER MOTOR
FLAME VIEW LAMP (GREEN LAMP)
SB
TR
Z1
Z2
Z3
Z8
Z9
L1
L2
GND
LOCK-OUT LAMP (RED LAMP)
TRANSFORMER 120-24 V
RESET AND SUMMER – WINTER SWITCH (*)
HI-LO FLAME AND FAN SPEED SWITCH (*)
MANUAL – PROGRAM MODE SWITCH (*)
PROGRAMMABLE TIMER (*)
ROOM THERMOSTAT
SUPPLY LINE – LIVE WIRE
SUPPLY LINE – NEUTRAL WIRE
SUPPLY LINE – GROUND WIRE
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