A1
CONTROL BOX
A3
VALVE SEAL CONTROL
B1
Flame sensor
H0
EXTERNAL LOCK INDICATOR LIGHT/ AUXILIARY HEATING
ELEMENT OPERATION LAMP
H1
OPERATION INDICATOR LIGHT
H2
LOCK-OUT WARNING LIGHT
H18
“2ND STAGE OPERATION LIGHT“
K1
FAN MOTOR CONTACTOR
MV
FAN MOTOR
P1
HOUR METER
PA
AIR PRESSURE SWITCH
P M
“MAXIMUM PRESSURE SWITCH“
Pm
MINIMUM PRESSURE SWITCH
S1
START/STOP SWITCH
S2
RELEASE BUTTON
SG
MAIN SWITCH
T2
2ND STAGE THERMOSTAT
TA
IGNITION TRANSFORMER
TC
BOILER THERMOSTAT
TS
SAFETY THERMOSTAT
X1
BURNER TERMINAL BOARD
X1B/S POWER SUPPLY CONNECTOR
X2B/S 2nd STAGE CONNECTOR
X3
Pm CONNECTOR
X4
YP CONNECTOR
X9
TRANSFORMER CONNECTOR
Y1/Y2 1st / 2nd STAGE SOLENOID VALVES
Y10
AIR SERVOMOTOR
YP
MAIN SOLENOID VALVE
YS/YS1... SAFETY SOLENOID VALVE
GNYE GREEN / YELLOW
BU
BLUE
BN
BROWN
BK
BLACK
BK*
BLACK CONNECTOR WITH OVERPRINT
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ENGLISH
Summary of Contents for TBG 45 P
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