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FITTING THE BURNER TO THE BOILER
The burner is fitted with a sliding attachment flange on the combustion head.
All the components supplied must be mounted following the burner instructions.
Insulating flange
When the burner is being mounted on the boiler it is necessary to place this flange in the right position to have the
combustion head enter the combustion chamber according to the boiler manufacturer's requirements.
Light oil pipes must be connected to the burner after it has been properly mounted on the boiler.
The burner is equipped with a mounting flange which
slips on the burner head. When applying the burner
to the boiler, it is necessary to correctly position the
flange so that the burner head enters the furnace to
the extent specified by the boiler manufacture.
When the burner has been correctly fastened to the
boiler, proceed with connecting in to the gas pipeline.
The dimensions of the gas adduction pipeline should
be in function with it's length and with gas delivery
according to UNI regulations. It must be perfectly
hermetic and adequately tested before the burner
is general inspection. It is indispensable to install a
suitable pipe union in the pipeline, in proximity to the
burner, to allow for easy disassembly of the burner
and opening of the boiler door. The DUNGS mod.
MB... valve incorporates a filter and a gas pressure
stabilizer and, therefore, only a cut-off cock and an
anti-vibration joint have to be fitted onto the gas ad-
duction pipeline. Only if the gas pressure were above
the maximum value allowed by regulations (400 mm.
W.C.) would it be necessary to install a pressure re-
ducer on the gas pipeline outside the heating plant.
We advise installing a bend directly onto the burner
gas ramp before applying the removable fitting. This
layout makes it possible to open the boiler door, if the-
re is one, after the fitting itself has been opened. The
above is clearly illustrated in the following drawing
(see BT 8871/GB).
Aluminium flange
Anti vibration joint
8 / 66
0006080479_00710
Sheet metalring
Insulating Cord
UPPER VIEW
Boiler
Gate
Pipe fitting
BT 8871GB
Door
Door opening
direction
Burner
Vanne gas DUNGS
multibloc
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