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COMBUSTION ADJUSTMENT
In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjustment
and testing must be carried out observing the instruction manual of the boiler, including verification of the
CO and CO
concentration in the flue gases, their temperatures and the average temperature of the
2
water in the boiler.
To suit the required appliance output, fit the nozzle then adjust the pump pressure, the setting of the
combustion head and the air damper opening in accordance with the following schedule. The values in
the table refer to 12.5% CO 2 at sea level and to "zero" pressure in the combustion chamber.
FUEL LIGHT OIL
Nozzle
1
GPH
Angle
0.60
60° / 80°
0.65
60° / 80°
0.75
60°
0.85
60°
1.00
60°
1.10
60°
1.25
60°
Angle:60° in most cases.
80° in case of flame detachment, during ignitions at low temperatures.
1.10
60°
1.25
60°
1.50
60°
1.75
60°
2.00
60°
2.25
60°
2903360
Pump pressure
Burner output
2
bar
12
12
12
12
12
12
12
12
12
12
12
12
12
6
Comb. head
adjustment
kg/h ± 4%
Set-point
2.5
2.8
3.1
3.6
4.3
4.7
5.3
4.72
5.37
6.44
7.51
8.59
9.66
GB
Air damper
adjustment
3
4
Set-point
1
1.2
1.5
1.4
2
1.8
2.5
2.2
3
2.6
4
3
5
3.5
2
3
2.5
3.4
3
3.8
4
4
5
5
6
6
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