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A1 APPARECCHIATURA
B1
PHOTORESISTOR / IONISATION ELECTRODE / UV
PHOTOCELL
BP
PRESSURE PROBE
BT1 WATER TEMPERATURE PROBE
BT3 EXHAUST GAS TEMPERATURE PROBE
H0
EXTERNAL LOCK INDICATOR LIGHT/ AUXILIARY
HEATING ELEMENT OPERATION LAMP
H1
OPERATION INDICATOR LIGHT
MV
FAN MOTOR
N1
ELECTRONIC REGULATOR
P1
“HOUR METER“
PA
AIR PRESSURE SWITCH
Pm
“MINIMUM PRESSURE SWITCH“
PM
MAXIMUM PRESSURE SWITCH
S2
RELEASE BUTTON
SG
MAIN SWITCH
TA
IGNITION TRANSFORMER
TC
BOILER THERMOSTAT
TS
SAFETY THERMOSTAT
X1B/S POWER SUPPLY CONNECTOR
X2B/S 2nd STAGE CONNECTOR
Y8
GAS SERVOMOTOR
Y10 AIR SERVOMOTOR
YP
MAIN SOLENOID VALVE
YS
SAFETY SOLENOID VALVE
Wire series colour
GNYE GREEN / YELLOW
BU BLUE
BN BROWN
BK BLACK
BK* BLACK CONNECTOR WITH OVERPRINT
L1 - L2- L3 Phases
N - Neutral
Ground
* For calibration only
* Only for testing
Without T2
Minimum ionisation current 1.4 μA
Содержание btg 20 me
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