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A1 EQUIPMENT
A3
VALVE SEAL CONTROL
B1
PHOTORESISTOR / IONISATION ELECTRODE / UV
PHOTOCELL
H0
EXTERNAL LOCK INDICATOR LIGHT/ AUXILIARY
HEATING ELEMENT OPERATION LAMP
H1
OPERATION INDICATOR LIGHT
H2
LOCK-OUT INDICATOR LIGHT
H18 “2ND STAGE OPERATION INDICATOR 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
SAFETY SOLENOID VALVE
GNYE GREEN / YELLOW
BU BLUE
BN BROWN
BK
BLACK
BK* BLACK CONNECTOR WITH OVERPRINT
Summary of Contents for TBG 45 P
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