Air Regulation On The Combustion Head - baltur BTG 3 Notice D'instructions

AIR REGULATION ON THE
COMBUSTION HEAD
The combustion head is equipped with a regulating device which
closes and opens the air passage between the disk and the head. By
closing the passage it's possible to achieve high pressure upstream
the disk for low inputs as well. High velocity and turbulence ensure
a better penetration in the fuel, an optimum mixture and good flame
stability. It might be necessary to have high air pressure upstream the
disk in order to avoid flame pulsation and it's considered practically
indispensable when the burner is operating with a pressurised
furnace and/or thermal load. It's evident from the above, that the
device which closes the air on the combustion head should be put
in such a position as to always obtain a decidedly high air pressure
value behind the disk.
When maximum delivery desired has been reached, proceed
with correcting the position of the device which closes the air on
the combustion head; move it backwards or forwards in such a
way as to obtain an air flow suitable to the delivery, with the air
regulation shutter in suction considerably open. When reducing
the air passage on the combustion head, avoid closing it completely.
aIr regULatIon anD eLeCtroDeS-DISK poSItIonIng prInCIpLe DIagram
1 regulating screw disk-head
(screw in order to open the air passage between the disk
end the head unscrew to close)
2 Disk: attantion: avoid closing it completely
3 Combustion head
4 Reference position disk-head
5 Adjustable screw for air damper opening
6 Ignition electrode
7 Ionizing electrode
Check that ignition occurs regularly, because if the
passage between the disk and the head is closed, it
could occur that the air velocity is so high as to render
ignition difficult. If this happens, gradually open the
regulator until it reaches the correct position and ignition
occurs regularly. This position should be definitive.
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 disconnect the burner electrically.
1 Max ignition electrode projection
56 Ionizing electrode projection
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