ELECTRICAL CONNECTIONS
•
The power lines must be distanced from the hot parts.
•
The burner can be installed exclusively in environments with pollution
degree 2 as specified in Standard EN 60204-1.
•
Conductor cross-sections not specified are to be considered as 0,75
mm².
•
Make sure that the power line frequency and voltage values comply
with those mentioned in the plate.
•
The three-phase or single-phase power supply line must have a
circuit breaker with fuses.
•
The single-phase power supply line must be equipped with a circuit
breaker with fuses.
•
The regulations further require a switch on the burner power supply
line, to be positioned outside the boiler room and easily accessible.
•
The main line and relevant switch with fuses must be suitable to
support the maximum current absorbed by the burner.
•
An omnipolar switch with a contact opening gap equal or above 3
mm is required for the mains supply connection, in accordance with
current safety regulations.
•
Refer to the wiring diagram for electrical connections (line and
thermostats).
•
Strip the outer insulation of the power cable just as necessary for the
connection, preventing the cable to touch metal parts, and provide a
longer length for the earth conductor.
•
It is advisable to make all connections with flexible electric wire.
For the models with single-phase power supply, insert the two 7- and
4-pole connectors into the appropriate sockets located below the
electrical switchboard support base.
CAUTION / WARNINGS
Only professionally qualified personnel may open the burner
electrical switchboard.
The electric motor is equipped with an automatic reset thermal cut-out
that causes it to stop when overheating.
CAUTION / WARNINGS
If it stops please make sure that the motor is in good conditions
and verify the causes of its overheating.
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