20068634
20
GB
Start-up, calibration and operation of the burner
8.5
Pump pressure
The pump leaves the factory set for kerosene working.
10 bar: maximum pressure for kerosene.
8.6
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.
8.6.1
Main air damper
The main air damper A)(Fig. 21) can be set in either of:
– two positions for burenr code 20056754;
– three positions for burenr code 20056755.
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).
8.6.2
Secondary air damper
The purpose of this damper B)(Fig. 22) is to perform a fine-tuning
of the inlet air.
Tuning of this device is possible acting of the screw 3)(Fig. 22).
WARNING
Only for code 20056754 and 20056755
The air setting is performed by mean of two inde-
pendent dampers (Fig. 21 and Fig. 22).
Fig. 21
20068683
20056754
20056755
B
3
E9172
Fig. 22
Summary of Contents for RDB2.2 BF GREENSTAR HEATSLAVE II 12/18
Page 2: ...Original instructions ...
