A1
CONTROL BOX
A3
VALVE SEAL CONTROL
B1
Flame sensor
F1
THERMAL RELAY
FU1÷4 FUSES
H0
EXTERNAL LOCK INDICATOR LIGHT/ AUXILIARY HEATING
ELEMENT OPERATION LAMP
H1
OPERATION INDICATOR LIGHT
H2
LOCK-OUT WARNING LIGHT
K1
FAN MOTOR CONTACTOR
K7
INVERTER START RELAY
KE
EXTERNAL CONTACTOR
MV
FAN MOTOR
N1
”ELECTRONIC REGULATOR
P1
HOUR METER
PA
AIR PRESSURE SWITCH
Pm
MINIMUM PRESSURE SWITCH
P M
“MAXIMUM PRESSURE SWITCH“
S1
START/STOP SWITCH
S2
RELEASE BUTTON
S5
MIN-O-MAX MODULATION SWITCH
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
YP
MAIN SOLENOID VALVE
Y10
AIR SERVOMOTOR
GNYE GREEN / YELLOW
BU
BLUE
BN
BROWN
BK
BLACK
BK*
BLACK CONNECTOR WITH OVERPRINT
*** For calibration only
** Upon request
L1 - L2- L3 Phases
N - Neutral
Ground
Minimum ionisation current 3 μA
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ENGLISH
Summary of Contents for TBG 45 MC
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