Gas Feeding; Gas Feeding Line; Gas Train - Riello BS2F Installation, Use And Maintenance Instructions

5.6

Gas feeding

Explosion danger due to fuel leaks in the pres-
ence of a flammable source.
Precautions: avoid knocking, attrition, sparks and
heat.
Make sure the fuel interception tap is closed be-
fore performing any operation on the burner.
5.6.1

Gas feeding line

1
Key (Fig. 10)
1 Gas input pipe
2 Manual gate (the responsibility of the installer)
3 Gas pressure gauge (the responsibility of the installer)
4 Filter
5 Gas pressure switch
6 Safety valve
7 Pressure stabiliser
8 Adjustment valve
Code Model
3970547 MB 405/1 - F2SD 20
3970544 MB 407/1 - F2SD 20
Installation
2 3 M1 4 5

Gas train

Rp 3/4
Rp 3/4
12
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
6 7 8
D5209
M1 Gas-supply pressure test point on the pressure switch
M2 Pressure coupling test point
5.6.2 Gas train
Approved according to standard EN 676 and provided separately
from the burner. Supplied separately for its adjustment, see the
enclosed instructions.
The train-burner combination is indicated in Tab. B.
Connections
Burner
Flange 2
Flange 2
GB
M2
Use
Natural gas and LPG
Natural gas and LPG
Fig. 10
Tab. B
20071805