GAS SUPPLY LINE
The basic diagram of the gas supply line is shown in the
figure below. The gas train is certified in accordance with EN
676 Standard and is supplied separately from the burner.
A manual shut-off valve and an anti-vibration joint must be
installed upstream of the gas valve, as shown in the diagram.
BASIC DIAGRAM OF THE GAS BURNER
1) Manual shut-off valve
2) Anti-vibration joint
3) Gas filter
4) Minimum gas pressure switch
5) Safety valve
6) Pressure regulator
7) Valve seal control device (obligatory for burner with maximum
nominal thermal output over 1200 kW)
GAS TRAIN SUPPLIED BY THE MANUFACTURER
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RESPONSIBILITY OF THE INSTALLER
8) Slow opening working valve
9) Air/gas adjusting servomotor
10) Air adjustment gate
11) Air pressure switch
12) Combustion head
13) Gas adjustment throttle