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4.12
Gas feeding
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 main gas train must be connected to the gas attachment 1)
(Fig. 24), using flange 2), gasket 3) and screws 4) supplied with the
burner.
The main gas train can enter the burner from the right or left side,
see Fig. 24.
Gas safety shut-off valves 5)-6)(Fig. 25) must be as close as pos-
sible to the burner to ensure gas reaches the combustion head
within the safety time range.
The pilot gas train must be connected to the gas attachment 5)
(Fig. 24) and can enter the burner from the right or left side.
4.12.1 Gas train
It must be type-approved according to UL Standards and is sup-
plied separately from the burner.
See the accompanying instructions for the adjust-
ment of the gas train.
WARNING
Check that there are no gas leaks.
Pay attention when handling the train: danger of
crushing of limbs.
Make sure that the gas train is properly installed by
checking for any fuel leaks.
The operator must use the required equipment dur-
ing installation.
20036932
Installation
D2311
Key (Fig. 25)
1
Gas input pipe
2
Manual valve
3
Pressure regulator
4
Low gas pressure switch
5
1st safety shut off valve
6
2nd safety shut off valve
7
Standard issue burner gasket with flange
8
Gas butterfly valve
9
Burner
26
GB
D2310
Fig. 24
GAS PILOT LINE
MAIN GAS LINE
Fig. 25
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