A1
CONTROL BOX
B1
Flame sensor
FU1÷4 FUSES
K1
FAN MOTOR CONTACTOR
H0
EXTERNAL LOCK INDICATOR LIGHT/ AUXILIARY HEATING
ELEMENT OPERATION LAMP
H1
OPERATION INDICATOR LIGHT
H2
LOCK-OUT WARNING LIGHT
H16
FLAME PRESENCE WARNING LIGHT
MV
FAN MOTOR
N1
”ELECTRONIC REGULATOR
Pm
MINIMUM PRESSURE SWITCH
PM
MAXIMUM PRESSURE SWITCH
S1
START/STOP SWITCH
S2
RELEASE BUTTON
S5
MIN-O-MAX SWITCH
T2
2ND STAGE THERMOSTAT
TA
IGNITION TRANSFORMER
TC
BOILER THERMOSTAT
X1B/S POWER SUPPLY CONNECTOR
X2B/S 2nd STAGE CONNECTOR
X3
Pm CONNECTOR
X4
YP CONNECTOR
X9
TRANSFORMER CONNECTOR
YP
MAIN SOLENOID VALVE
YS
SAFETY SOLENOID VALVE
Wire series colour
GNYE GREEN / YELLOW
BU BLUE
GY GREY
BN BROWN
BK BLACK
BK*
BLACK CONNECTOR WITH OVERPRINT
A
B
A Two-stage operation
B Modulating operation
L1 - L2- L3 Phases
N - Neutral
Ground
** For calibration only
Minimum ionisation current 1 μA
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0006160310_202001
Содержание BPM 10
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