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19
20126064
GB
Installation
5.11
Gas feeding
5.11.1
Gas feed connection to the burner
Burner connection
The connection of the burner to the gas train is carried out using
the flange connection. The dimensions of the flange are given in
Fig. 8 on page 13.
Use the relative adapters to connect the gas flange to the train,
supplied as accessories.
Pilot burner connection
The burner is fitted with a dedicated gas train that is fixed above
the pipe coupling. It should be connected to the main train down-
stream the filter or the pressure adjuster (depending on configu-
ration).
Fig. 18 shows the version for a natural gas feed.
5.11.2
General gas supply layout (example)
Key (Fig. 19)
BP
Pilot burner
C
Vibration damping joint
GF
Gas filter
HPG
High gas pressure regulator
LPG
Low gas pressure regulator
MM
Pressure gauge
PA
Minimum air pressure switch
PCV
Pilot gas pressure regulator
PGM Maximum gas pressure switch
PGm Minimum gas pressure switch
RG
Gas butterfly valve
SRV
Pressure limiting valve with outlet into the environment
VE
Fan
VP
Pilot solenoid valves
VPS
Leak detection control device
VR
Gas pressure regulator solenoid valve
VS
Gas safety solenoid
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.
WARNING
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
Fig. 18
S9336
Supply pressure
50 ÷ 500 mbar
Fig. 19
D3897
0,5 ÷ 4 bar
max. 500 mbar
PART THAT IS THE RESPONSIBILITY
OF THE INSTALLER/USER
Содержание DB 12 SM C03 TC A0 FS1 T250
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