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0006080873_201711
BURNER CONNECTION TO THE BOILER
• The burner should be mounted on the boiler plate -1, where the
provided stud bolts should already have been placed.
• It is advisable to electrically weld the bolts from the internal part of
the plate to avoid removing them together with the fastening nuts if
the burner needs to be disassembled.
• The burner is fitted with a fixed fastening flange. Therefore, verify
that the head can penetrate to the extent indicated by the boiler
manufacturer.
• The boiler plate -1 must be realized as indicated in our drawing and
have a minimum thickness of 10 mm to prevent warping.
• Place the supplied insulator gaskets -13 and the insulating rope -2
between the burner fastening flange -19 and the burner plate -1.
• Connect the burner to the boiler using the appropriate nuts and
washers -7provided.
• The burner has an ambidextrous hinge opening for easy access to
the combustion head with fitted burner.
CAUTION / WARNING
Completely seal the space between the burner sleeve and
the hole in the refractory material inside the boiler door with
suitable material.
ELECTRICAL CONNECTIONS
• It is advisable to make all connections with flexible electric wire.
• Electrical lines must be kept away from hot parts.
• The burner installation is allowed only in environments with
pollution degree 2 as indicated in annex M of the EN 60335-
1:2008-07 regulation.
• Make sure that the electric line to which the unit will be connected
has frequency and voltage ratings suitable for the burner.
• The three-phase or single-phase power supply line must have
a switch with fuses. The standards also require a switch on the
burner's power line located outside the boiler room where it can be
accessed easily.
• The main line, the relevant switch with fuses and the possible
limiter must be suitable to support the maximum current absorbed
by the burner.
• The mains supply connection requires an omnipolar switch with a
contact opening gap equal to or greater than 3 mm in accordance
with current safety regulations.
• Refer to the wiring diagram for electrical connections (line and
thermostats).
• Unsheathe the external insulating cover of the power cable to the
necessary extent for the connection, thus avoiding the wire from
coming into contact with metal parts.
CAUTION / WARNING
Only professionally qualified personnel is allowed to open the
burner electrical panel.
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