2445
7
GB
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 81 kW boiler with an efficiency of 90%, the burner input is about 90 kW
using the diagram below, the combustion set point is 3.
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).
S7015
C
A
B
0
1
3
2
120
90
80
70
60
50
100
80,000
70,000
60,000
50,000
40,000
kcal/h
kW
Set point
D5167
4
5
40
110
90,000
100,000