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5.8
Combustion head adjustment
To adjust, proceed as follows:
loosen the screw A)(Fig. 11), move the elbow B) so that the
rear plate of the coupling (C) coincides with the set point;
tighten the screw A).
Example:
The burner is installed in a 63 kW boiler.
Considering efficiency of 90% the burner must supply around 70
kW.
The diagram (Fig. 12) shows that for this output the adjustment
must be made on notch 1,5.
The diagram is to be used only for initial settings,. To ensure
good air pressure switch operation it may be necessary to reduce
this combustion head opening (notch toward pos. 0).
Installation
C
A
B
kcal/h
kW
100
80,000
90
70,000
80
70
60,000
60
50,000
50
40,000
40
0
15
GB
0.5
1
1,5
2
Notch No.
S7015
Fig. 11
D5071
2.5
3
Fig. 12
20063692
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