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COMBUSTION ADJUSTMENT
In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjust-
ment and testing must be carried out observing the instruction manual of the boiler, including verifica-
tion of the CO and CO
temperature of the water in the boiler.
To suit the required appliance output, fit the nozzle, the settings of the combustion head and the air
damper opening in accordance with the following schedule.
The values shown in the table are measured on a CEN boiler (as per EN 267).
They refer to 12.5% CO
Nozzle
1
GPH
Angle
1
0.50
60°/45°
0.60
60°/45°
0.65
60°/45°
0.75
45°/60°
0.85
45°
1.00
45°
1.10
45°
1.25
45°
1
NOZZLES RECOMMENDED: Monarch type R
2
COMBUSTION HEAD SETTING : This is done when fitting the nozzle, with the blast tube
Terminal plane of the blast tube
Blast tube
D5811
1716
concentration in the flue gases, their temperatures and the average
2
at sea level and with light oil and room temperature of 20°C.
2
Pump
Burner
pressure
output
bar
kg/h ± 4%
st
nd
st
2
1
8
14
1.6
8
14
1.9
8
14
2.0
8
14
2.4
8
14
2.7
8
14
3.1
8
14
3.5
8
13
3.9
Delavan type W - E
Steinen type Q
Danfoss type S
Satronic type S
3
5
0
2
4
6
Regulating rod
Shutter
Comb. head
adjustment
2
nd
2
Set-point
2.1
0.5
2.5
1
2.7
1.5
3.1
2.5
3.5
3
4.2
4
4.6
5
5.0
6
removed. It depends on the output of the burner and is car-
ried out by rotating the regulating rod, till the terminal plane
of the blast tube is level with the set-point, as indicated in
the schedule.
In the sketch on the left, the combustion
head is set for an output of 0.75 GPH at
8/14 bar, while the shutter is level with
set-point 2.5, as required by the above
schedule.
6
GB
Air damper adjustment
st
nd
1
stage
2
Set-point
Set-point
2.7
2.8
3.0
3.2
3.5
4.1
4.4
4.5
3
stage
3.3
3.8
4.0
4.4
4.5
6.0
7.0
8.0
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