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ASSEMBLING THE GAS TRAIN
The EN 676 approved gas train is sold separately from the burner.
The burner is supplied by the gas train connection facing downward.
The gas train can be assembled in different ways: -11, -12
Choose the most rational position for the set-up of the boiler room and
the position in which the gas pipeline arrives.
GAS TRAIN PRINCIPLE DIAGRAM
The basic diagram of the gas supply line is shown in the figure below.
DANGER / CAUTION
Install a manual on/off valve upstream of the gas valve
according to the layout shown in the diagram illustrating the
gas train principle.
GAS SUPPLY LINE
GAS TRAIN SUPPLIED BY THE MANUFACTURER
RESPONSIBILITY OF THE INSTALLER
1
Manual shut-off valve
2
Vibration-proof joint
3
Gas filter
4
Minimum gas pressure switch
5
Safety valve
6
Pressure regulator.
7
Valve seal control device (mandatory for burners with maximum rated
heating capacity higher than 1200kW)
8
Slow opening operating valve
9
Air / gas regulation servomotor
10
Air regulation shutter
11
Air pressure switch
12
Combustion head
13
Gas regulation throttle valve
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