Gas Feeding Line - Riello RS 55/E BLU Installation, Use And Maintenance Instructions

5.9.2

Gas feeding line

D3791
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. J.
L1 The responsibility of the installer
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
23 GB
10
8
Fig. 20
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