Williams 2903512 User Manual
Page 12
Electrical Wiring
FLAME VIEW LAMP (GREEN LAMP)
SF
GAS VALVE 1 (SAFETY SHUTTER)
EV
LOCK-OUT LAMP (RED LAMP)
SB
EV1
CURRENT TRANSFORMER 120-24 V
TR
HI-LO FLAME OPERATOR (*)
EV2
RESET AND SUMMER – WINTER SWITCH (*)
Z1
FAN MOTOR (n. 2 MOTORS ON 8001/8002)
M
HI-LO FLAME AND FAN SPEED SWITCH (*)
Z2
OVERHEAT THERMOSTAT
M1
MANUAL – PROGRAM MODE SWITCH (*)
Z3
FAN THERMOSTAT
M2
PROGRAMMABLE TIMER (*)
Z8
MAINS FUSE – 5X20 size – 4A
M9
ROOM THERMOSTAT
Z9
PRESSURE SWITCH
NP
SUPPLY LINE – LIVE WIRE
L1
FLAME SENSOR
RP8
SUPPLY LINE – NEUTRAL WIRE
L2
SPARK IGNITER (n. 2 pcs)
RP7
SUPPLY LINE – GROUND WIRE
GND
COMBUSTION BLOWER MOTOR
S
11
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