Riello 40 FS - Combustion Head Adjustment; Air Damper Adjustment

15
20063732
GB
Installation
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 81 kW boiler.
Considering an efficiency of 90%, the burner must supply around
90 kW.
The diagram (Fig. 12) shows that for this output the adjustment
must be made on notch 3.
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).
5.9 Air damper adjustment
The adjustment of the air flow rate is carried out using the fixed
damper 1)(Fig. 13) after having loosened the screws 2).
Once optimal adjustment has been attained, fully screw in the
screws 2).
C
A
B
S7015
Fig. 11
Fig. 12
D5258
Notch No.
01 32
120
90
80
70
60
50
100
80,000
70,000
60,000
50,000
40,000
kcal/h kW
45
40
110
90,000
100,000
WARNING
It is advisable to carry out an analysis of the com-
bustion values with the cover assembled.
Fig. 13
D5231
1
2