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Before carrying out any maintenance, cleaning or checking oper-
ations:
Turn off the burner's electrical supply using the
main system switch.
DANGER
Turn off the fuel interception tap.
DANGER
Avoid condensate, ice and water leaks from form-
ing.
DANGER
If the cover is still present, remove it and proceed with the electri-
cal wiring according to the wiring diagrams.
Use flexible cables in compliance with the EN 60 335-1 standard.
5.15.2 Supply cables and external connections
passage
All the cables to be connected to the burner should be passed
through cable grommets, as shown in Fig. 32.
To guarantee the protection level of the burner, it
is necessary to close any holes and fairleads not
used using the plugs supplied.
WARNING
20096726
Key (Fig. 32)
1
Electrical supply
2
Minimum gas pressure switch
3
Pressure switch for VPS gas valve leak detection
4
Gas train
5
Consents/Safety
6
Available
7
Plug
8
Rpm sensor cable outlet
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
Installation
Fig. 32
29
GB
20124030
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