Combustion-Head Adjustment - Riello Burners 40 Montage Und Bedienungs Anleitung

AIR DAMPER ADJUSTMENT
The air damper (1) is operated by the motor (2)
and assures that the air damper is fully open be-
fore the burner start cycle begins .
The regulation of the air plate is made by adjusting
the disc (3) after releasing the screws (4).
When optimum setting is reached, tighten the
screws (4).
The air damper leaves the factory set at position 3.

COMBUSTION-HEAD ADJUSTMENT

Loose the screw (A), move the elbow (B) so that
the rear plan of the coupling (C) coincides with the
set point.
Tight the screw (A).
Example:
The burner is installed on a 155 kW boiler with an
efficiency of 90%, the burner input is about 172 kW
using the diagram below, the combustion set
point is 3.
kcal/h
kW
240
200,000
220
180,000
200
160,000
180
172
140,000
160
140
120,000
120
100,000
100
80,000
70,000
80
The diagram is to be used only for initial settings, to improve air pressure switch operation or
improve combustion, it may be necessary to reduce this setting (set point toward position 0).
2431
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0 1
1
4
C
A
B
2 3
7 GB
4 5 Set point
2
3
4
D5036
S7015
D5109