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4.8
Gas train assembly
Disconnect the electrical power using the main
switch.
DANGER
Explosion danger due to fuel leaks in the presence
of a flammable source.
Precautions: avoid knocking, attrition, sparks and
heat.
Make sure the fuel interception tap is closed before
performing any operation on the burner.
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
The gas train is type-approved according to standard UL 795 and
is supplied separately from the burner.
The gas train can enter the burner from the right or left side,
depending on which is the most convenient, see Fig. 19.
The gas train must be connected to the gas attachment 1)
(Fig. 19) with the flange 2), the gasket 3) and the screws 4)
supplied with the burner.
The gas solenoids must be as close as possible to the burner,
to ensure that the gas reaches the combustion head within the
safety time of 3s.
Ensure that the maximum pressure necessary for the burner is
4.9
Gas feeding line
It must be type-approved according to required standards and is
supplied separately from the burner.
Key (Fig. 20)
1
Gas input pipe
2
Manual valve
3
Pressure regulator
4
Minimum gas pressure switch
5
1st safety shut off valve
6
2nd safety shut off valve
7
Standard issue burner with flange gasket
8
Gas adjustment butterfly valve (*)
9
Burner
10 Maximum gas pressure switch (*)
(*) On the burner
20028248
Installation
included in the calibration field of the pressure regulator
(colour of the spring).
The pilot gas train must be connected to the gas attachment
5)(Fig. 19) and can enter the burner from the right or left side.
See the accompanying instructions for the
adjustment of the gas train.
WARNING
D2438
22
D2393
Fig. 19
GAS PILOT LINE
MAIN GAS LINE
Fig. 20
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