The "block" position is a safety position
reached by the burner automatically
when some of the components of the
burners or the plant do not work pro-
perly. It is necessary to check then
whether the cause to the problem is
a dangerous one before unblocking
the burner. The causes to the block
may be temporary, for example
when air in inside the pipes.
When it is unblocked, the burner
starts operating properly.
If the burner stops three or four times
at a stretch, it is necessary either
to loock for the problem and solve
it or ask for the intervention of the
AIR REGULATION PRINCIPLE DIAGRAM FOR GAS BURNER
NOT CORRECT ADJUSTMENT
Air combustion in-let
gate very closed
CORRECT ADJUSTMENT
Air combustion in-let
gate considerably opened
after sales service. The burner can
remain in the "block" position without
any limit in time.
In emergency cases it is advisable to
close the fuel valve, and to discon-
nect the burner electrically.
Combustion head
Disk
Air passage
big opening
Combustion head
Disk
Air passage fairly
closed.
ATTENTION:
avoid the total closing
1 / 6
0006080480_200710
Adjustment screw of the disk-head position
(tighten in order to open the air passage
between the disk and the head, unscrew
to close)
Adjustment screw of the disk-head position
(tighten in order to open the air passage
between the disk and the head, unscrew
to close)
N° 8769/2/GB
Rev. 16/11/9