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5.10
Gas feeding
Explosion danger due to fuel leaks in the pres-
ence of a flammable source.
Precautions: avoid knocking, attrition, sparks and
heat.
Make sure the fuel interception tap is closed be-
fore performing any operation on the burner.
5.10.1 Gas feeding line
Key (Fig. 16)
1
Gas input pipe
2
Manual gate (under the responsibility of the installer)
3
Gas pressure gauge (under the responsibility of the
installer)
4
Filter
5
Gas pressure switch
6
Electromagnetic safety valve
7
Pressure stabiliser
8
1st and 2nd stage adjustment valve
M1 Gas supply pressure test point
M2 Gas supply pressure test point at the combustion head
5.10.2 Gas train electrical power
The gas train's input power cables can be on the right or left of
the burner, as illustrated in Fig. 17.
Depending on the entry point, the cable clamp with pressure test
point 1) and simple cable clamp 2) may need swapping over.
Consequently, you must make sure:
the cable clamp 1) is positioned correctly;
the tube is positioned correctly so that there are no restric-
tions likely to impede air flowing to the pressure switch.
If necessary, cut the tube to the right size.
WARNING
20135737
1
2 3
M1
Installation
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
4
5 6
7
8
1
2
20
GB
M2
D5208
2
D7113
1
Fig. 16
Fig. 17
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