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6.6
Securing the burner to the boiler
Provide an adequate lifting system of the burner.
To install the burner on the boiler, do the following:
insert the screw and two nuts on the flange 1), (see Fig. 9).
if necessary, widen the holes of the insulating gasket 4) Fig.
7).
Fix the flange 1) to the boiler door 3) using screws 5) and (if
necessary) the nuts 2) interposing the insulating gasket 4),
(see Fig. 8).
NOTE:
When the installation is complete, check the burner is slight-
ly tilted, as shown in Fig. 8.
In any event, make sure that the combustion head
crosses the entire thickness of the boiler door.
WARNING
The seal between burner and boiler must be
airtight.
WARNING
6.7
Combustion head adjustment
The adjustment of the combustion head varies depending on the
burner output.
Do the following to adjust it:
Turn the adjustment screw clockwise or anti-clockwise until the
notch is against the regulating rod 7) Fig. 14 and Fig. 15 lines up
with the outer surface of the nozzle-holder assembly 1) Fig. 15.
Example for the 398T1 burner:
the regulating rod 7) Fig. 15 is set at notch 3; this means that the
burner is regulated for a delivery of 2.00+2.00 GPH at 12 bar, as
shown in Tab. I, on page 23.
All manuals and user guides at all-guides.com
Installation
15
GB
D5012
D5025
S7071
Fig. 7
Fig. 8
Fig. 9
20135920
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