Gas Feeding Line - Riello RS 55/M BLU Instrucciones De Instalación, Uso Y Mantenimiento

5.9.2

Gas feeding line

D3791
Key (Fig. 17)
1 Gas input pipe
2 Manual valve
3 Vibration damping joint
4 Pressure gauge with pushbutton cock
5 Multibloc, including:
- filter (replaceable)
- working valve
- pressure adjuster
6 Minimum gas pressure switch
7 Valve leak detection control device. In compliance with the
EN 676 standard, leak detection control devices are com-
pulsory for burners with maximum outputs over 1200 kW.
8 Gasket
9 Gas adjustment butterfly valve
10 Maximum gas pressure switch (accessory)
11 Gas train/burner adaptor
P1 Pressure at combustion head
P2 Upstream pressure of valves/adjuster
P3 Upstream pressure of the filter
L Gas train supplied separately with the code indicated in Tab. G
L1 Installer's responsibility
20040559
Installation
6
4
P2
1 2
3
L1
9
7
P1
5
11
L
Make sure that the gas train is properly installed
by checking for any fuel leaks along the fuel sup-
ply line.
WARNING
18 GB
10
8
Fig. 17