Gas Feeding; Gas Feeding Line; Gas Train - Riello 40 FS5 Installation, Use And Maintenance Instructions

5.9

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.
5.9.1

Gas feeding line

1
MBC 65/1
D7733
1
MB 405/1
D5069
Key (Fig. 13 - Fig. 14)
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
3970569
3970530
20147064
2 3 M1
2 3 M1
Model
MBC 65/1 - RSD 20
MB 405/1 - RSD 20
Installation
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
The heat output and gas pressure in the head
data refer to operating with the gas butterfly
valve fully open (90°).
WARNING
4 5 6 8 7
4 5 6 7 8
M1 Gas-supply pressure test point on the pressure switch
M2 Pressure coupling test point
5.9.2

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. E.
Connections
Gas train
Rp 1/2
Rp 1/2
16
GB
M2
M2
Use
Burner
Rp 1/2 Natural gas and LPG
Rp 1/2 Natural gas and LPG
Fig. 13
Fig. 14
Tab. E