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
11
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
7
Gas input pipe for pilot
8
Gas adjustment butterfly valve
9
Burner
10 Max gas pressure switch
20037168
Installation
4
8
9
Vent
2
6
3
5
4
34
D3095
12
2
5
4
Vent
M ai n
1
gas suppl y
11 Manual valve (for seal control)
12 Pilot regulator
GB
Fig. 27
Pi l ot
7
gas suppl y
Fig. 28