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8.4
Pump pressure
The pump leaves the factory set for kerosene working.
10 bar: maximum pressure for kerosene.
8.5
Air damper adjustment
The air damper is set in factory. This regulation is purely indica-
tive.
Each installation however, has its own unpredictable working
conditions: actual nozzle output; positive or negative pressure in
the combustion-chamber, the need of excess air, etc.
All these conditions may require a different air damper setting.
Main air damper
The main air damper can be set in either of two positions. To set
the positions of the damper, proceed as follows:
Remove the secondary air damper (B) loosing the screws
(1).
Loosen the screw (2) and rotate the main air damper (A) to
the required position.
Retighten the screw (2) and put back the secondary air
damper (B).
Secondary air damper
The purpose of this damper is to perform a fine-tuning of the inlet
air.
Tuning of this device is possible acting of the screw (3).
The burners leaves the factory set for the medium
power (1.5 kg\h).
WARNING
20031337
Start-up, calibration and operation of the burner
E9172
20
GB
A
2
D7532
B
3
B
1
Fig. 19
Fig. 20
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