9
20013756
GB
4.3
PROBE-ELECTRODE POSITIONING
5.
BURNER SETTINGS
5.1
COMBUSTION HEAD SETTING
Factory calibration is set for medium power;
according to the boiler output:
Loosen screw (A) and shift the elbow (B) such
that the rear surface of the head assembly cast-
ing (C) coincides with the desired notch. Tight-
en screw (A).
Example:
The burner type 729 T50 is installed in a 77 kW
boiler.
The burner will have to deliver about 85 kW, con-
sidering an efficiency of 90%.
The diagram indicates, that for this output the el-
bow (B) is adjusted to set-point
4
.
NOTE
The diagram is indicative only.
The head setting may require adjustment to
suit the boiler characteristics.
D4046
Ignition electrode
WARNING 2
– 3 mm
Ionization probe
Probe
Electrode
A
Diffuser
=
=
B
TYPE
A
B
729 T50
~
40 mm
2.2
730 T50
~
47 mm
3.7
Set point
0
2
1
3
4
180
140
120
150,000
70,000
kcal/h
kW
D6227
5
200
110,000
100
80
130,000
90,000
160
170,000
0
2
1
3
4
90
80
70
60
90,000
80,000
40,000
kcal/h
kW
D6223
5
100
110
60,000
50
40
85
70,000
50,000
729 T50
730 T50
Set point
S7015
C
A
B
Содержание GS10/M
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