Combustion-Head Adjustment - Riello R40 GS20D Montage Und Bedienungs Anleitung

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 144 kW boiler with an efficiency of 90%, the burner input is about
160 kW using the diagram below, the combustion set point is 3.
kcal/h
190,000
170,000
150,000
130,000
110,000
90,000
70,000
50,000
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).
2049
kW
220
200
180
160
140
120
100
80
60
40
0 1
C
A
B
D5153
2 3 4
7
GB
S7015
5 Set point