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4.14 Gas supply
4.14.1 Gas train
The gas train is to be connected on the right of the burner, by flange
1)(Fig. 27). If necessary connect it on the left, proceed as follows:
–
loosen nuts and screws 3) and 4);
–
remove blind flange 2) together with its gasket;
–
fit them to flange 1) tightening the nuts and screws.
Once assembled the gas train, check for leaks.
WARNING
4.14.2 Gas feeding line
It must be type-approved according to required standards and is
supplied separately from the burner (Fig. 28).
10
D3776
Key (Fig. 28)
1
Gas input pipe for main burner
2
Manual valve
3
Min gas pressure switch
4
Safety shut-off valve
5
NO vent valve
6
Regulating shut off valve
Installation
8
9
Vent
11
6
5
4
3
D3095
4
5
4
12
Vent
Main
1
gas supply
2
7
Gas input pipe for pilot
8
Gas adjustment butterfly valve
9
Burner
10 Max gas pressure switch
11 Manual valve (for seal control)
12 Pilot regulator
33
GB
2
Pilot
7
gas supply
Fig. 27
Fig. 28
20102963
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