Combustion Head Setting - Riello 40 Montage- Und Bedienungsanleitung

4.3 PROBE-ELECTRODE POSITIONING
Probe
D4046
TYPE
729 T50
~
730 T50 ~
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).
C
A
B
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.
A
Ignition electrode
A B
40 mm 2.2
47 mm 3.7
S7015
Diffuser
B
WARNING 2 – 3 mm
kcal/h kW
110
100
90,000
90
80,000
85
80
70,000
70
60,000
60
50,000 50
40
40,000
0
D6223
kcal/h kW
200
170,000
180
150,000
160
130,000
140
110,000
120
90,000
100
70,000
80
0
D6227
9 GB
Ionization probe
Electrode
=
1 2 3
1 2 3
729 T50
4 5
Set point
730 T50
4 5
Set point
2622