Riello 852T4 - Gas Train

20151763
22
GB
Installation
5.8.1 Gas train
This has been type-approved together with the burner, in accord-
ance with regulation EN 676, and is supplied as standard
(Fig. 20).
Gas train installation
Key (Fig. 20)
1 Gas input pipe
2 Manual valve
3 Valve including:
- filter (replaceable) (F)
- working valves (V1 - V2)
- pressure adjuster (R)
4 Pilot valve including:
- manual valve (VM)
- pressure adjuster (PR)
- safety valves (VP1 - VP2)
P1 Pressure upline of the filter
P2 Downstream pressure of valve
P3 Downstream pressure of pilot
DANGER
Disconnect the electrical power using the main
system switch.
Check that there are no gas leaks.
Beware of train movements: danger of crushing of
limbs.
Make sure that the gas train is properly installed
by checking for any fuel leaks.
The operator must use appropriate tools for instal-
lation.
V1
V2
R
F
1
2
3
P1
P2
VP1
1
PR
VP2
P3
4
VM
Fig. 20
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