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0006081521_201711
A1
EQUIPMENT
A3
VALVE SEAL CONTROL
B1
PHOTORESISTOR / IONISATION ELECTRODE / UV
PHOTOCELL
F1
THERMAL RELAY
FU1÷4 FUSES
H0
EXTERNAL LOCK INDICATOR LIGHT/ AUXILIARY
HEATING ELEMENT OPERATION LAMP
H1
OPERATION INDICATOR LIGHT
H17 FAN OPERATION INDICATOR LIGHT
H19 MAIN VALVE OPERATION INDICATOR LIGHT
H2
“LOCK-OUT INDICATOR LIGHT“
H23 TRANSFORMER OPERATION INDICATOR LIGHT
K1
FAN MOTOR CONTACTOR
KE
EXTERNAL CONTACTOR
MV
FAN MOTOR
P M “MAXIMUM PRESSURE SWITCH“
P1
“HOUR METER“
PA
AIR PRESSURE SWITCH
Pm
“MINIMUM PRESSURE SWITCH“
S1
START/STOP SWITCH
S2
RELEASE BUTTON
S8
1st/2nd STAGE 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
X8B/S VPS 504 CONNECTOR
X9
TRANSFORMER CONNECTOR
X18 SYNOPTIC CONNECTOR
Y10 AIR SERVOMOTOR
Y1/Y2 1st / 2nd STAGE SOLENOID VALVES
Z1
FILTER
GNYE GREEN / YELLOW
BU
BLUE
BN
BROWN
BK
BLACK
BK* BLACK CONNECTOR WITH OVERPRINT
Ground
L1 - L2- L3 Phases
N - Neutral
Summary of Contents for 17550030
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