3.4
ELECTRICAL WIRING
220V
NOTES:
– Do not exchange the neutral with the phase and connect exactly the above wiring.
– Wires of min. 1 mm
– Carry out a safe earth connection.
– Verify that the burner stops by operating the boiler control thermostats and that the burner locks out by
separating the red ionisation probe lead connector.
– The electric wiring carried out by the installer must be in compliance with regulations in force in the
Country.
2773
CONTROL BOX
525SE/5
~
60Hz
2
section. (Unless requested otherwise by local standards and legislation).
CARRIED-OUT
BY THE INSTALLER
D4287
5
GB
LEGEND
BO - Ionization probe
C
- Capacitor
E
- Elecrode
F
- Fuse T6A
H3
- Remote lock-out signal
(220V - 0.5 A max.)
MV - Motor
SG - Gas pressure switch
SL
- Limit thermostat
SPA - Air pressure switch
ST
- Safety thermostat
XB - Burner terminal board
XT
- Burner earth
X1
- Probe connector
X2
- Connector
YS
- Safety valve
Y1
- Adjustment valve