Combustion Head Air Adjustment - baltur TBG 50LX ME Instruction

COMBUSTION HEAD AIR ADJUSTMENT

The combustion head has an adjustment device so that the air
passage between the disk and the combustion head is opened
or closed. You are thus able to obtain, closing the passage, high
pressure upstream of the disk even at low capacity. The high
speed and turbulence of the air provides for its greater penetration
into the fuel and therefore an excellent mixture and flame stability.
It may be necessary to have high air pressure before the disk to
prevent flame fluctuations, particularly essential when the burner
works on the combustion chamber that is pressurized and/or at a
high thermal load.
It is clear from the above that the device that closes the air to the
blast-pipe must be set at a position such as to always obtain very
high air pressure behind the disk. It is advisable to adjust in such
a way as to obtain a closure of the air at the combustion head that
will require a significant opening of the air damper that regulates
the aspiration flow from the burner fan. This must of course be the
case when the burner is working at maximum desired supply.
In practice you have to start the adjustment with the device that
closes the air at the combustion head in an intermediate position,
switching on the burner for approximate adjustment as explained
previously.
When the maximum desired supply has been reached, the
position of the device that closes the air at the combustion head is
corrected, moving it forward and backwards, until the right amount
of air is flowing to the supply, with the air damper in significantly
open.
COMBUSTION HEAD ADJUSTMENT SCHEME
X= Distance between combustion head and disk; adjust the
distance X following the indications below:
a) slacken screw 1
b) turn screw 2 to position the combustion head 3, referring to
index 4.
c) adjust the distance X between minimum and maximum
according the indications in the table.
BURNER
TBG 50LX ME
TBG 80LX ME
TBG 110LX ME
TBG 140LX ME
TBG 200LX ME
N.B. The above adjustments are indicative only; position
the combustion head according to the characteristics
of the combustion chamber
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X Value indicated by
index 4
3 ÷ 10 1 ÷ 2
10 ÷ 25 1 ÷ 2,8
15 ÷ 25 1 ÷ 2,2
10 ÷ 46 1 ÷ 5
14 ÷ 51 1 ÷ 5
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