21
20168415
GB
Installation
5.9
Gas supply
5.9.1
Gas feeding line
Key (Fig. 18 - Fig. 19 - Fig. 20 - Fig. 21)
1
Gas input pipe
2
Manual valve
3
Vibration damping joint
4
Pressure gauge with button cock
5
Filter
6A Includes:
– filter
– safety valve
– pressure adjuster
– working valve
6C Includes:
– safety valve
– working valve
6D Includes:
– safety valve
– working valve
– pressure adjuster
– filter
7
Minimum gas pressure switch
8
Leak detection control, supplied as an accessory or built-in,
based on the gas train code. In compliance with the EN 676
standard, gas valve leak detection control devices are
compulsory for burners with maximum outputs over 1200 kW.
9
Gasket, for “flanged” versions only
10 Pressure adjuster
11 Train-burner adaptor, supplied separately
P2 Pressure upstream of valves/adjuster
P3 Pressure upstream of the filter
L
Gas train, supplied separately
L1 Responsibility of the installer
Explosion danger due to fuel leaks in the
presence of a flammable source.
Precautions: avoid knocking, attrition, sparks and
heat.
Make sure the fuel shut-off valve is closed before
performing any operation on the burner.
ATTENTION
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
Fig. 18
20057264
MB
Fig. 19
20062223
MBC - VGD
Fig. 20
20062227
DMV
Fig. 21
20062228
CB
