Gas Feeding Line - Riello RS BLU Serie Instrucciones De Instalación, Uso Y Mantenimiento

5.9.2

Gas feeding line

Key (Fig. 20)
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, gas valve leak detection control devices
are compulsory 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. I.
L1 The responsibility of the installer
20040563
6
4
D3791
1
2 3
L1
Installation
9
7
P1
P2
5
L
WARNING
22 GB
10
8
11
Make sure that the gas train is properly installed
by checking for any fuel leaks along the fuel sup-
ply line.
Fig. 20