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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 water in the
2
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
Pump Pressure
Burner output
Comb. head adjustment
Air damper adjustment
(* see Fig. 7, page 8)
NOZZLES RECOMMENDED:
1
COMBUSTION HEAD SETTING: This is done when fitting the nozzle, with the blast tube removed. It
2
depends on the output of the burner and is carried out by
For this application, the head should be
fully open (at notch 6).
20013744
at sea level and with light oil and room temperature of 20°C.
2
Stage
GPH
Angle
bar
kg/h
Set-point
2
Set-point
3
Monarch type R
Delavan type W - E
Steinen type Q
rotating the regulating rod, till the terminal plane of the blast tube
is level with the set-point, as indicated in the schedule .
Nozzle 1*
st
1
0.65
60°
10
2.2
2.5
Danfoss type S
Satronic type S
Terminal plane of the blast tube
Blast tube
6
GB
Nozzle 1* + 2*
nd
2
0.65 + 0.60
15
3.0
6
3.0
2
D5582
5
3
1
Regulating rod
Shutter
rd
3
60°
15
5.6
8.0
Fig. 4
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