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5.10
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.
5.10.1 Gas feeding line
1
D4197
Key (Fig. 15)
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
3970531
MB 407/1 - RSD 20
3970532
MB 410/1 - RSD 20
Installation
2
3
M1
4
Gas train
Rp 3/4
Rp 1
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
5
6
7
8
M1 Gas-supply pressure test point on the pressure switch
M2 Pressure coupling test point
5.10.2 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. F.
Connections
Burner
Rp 3/4
Rp 3/4
17
GB
M2
Use
Natural gas 180 kW and LPG
Natural gas and LPG
Fig. 15
Tab. F
20063701
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