Burner Settings; Combustion Head Setting - Riello GS20/M - HEATER Instrucciones Para La Instalación, Uso Y Mantenimiento

4.3 PROBE-ELECTRODE POSITIONING
Probe
D4046
TYPE
729 T50
1960 D
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
casting (C) coincides with the desired notch.
Tighten 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,
considering an efficiency of 90%.
The diagram indicates, that for this output the
elbow (B) is adjusted to set-point 4 .
NOTE
The diagram is indicative only.
The head setting may require adjustment to
suit the boiler characteristics.
2546001
A
A B
~
40 mm
2.2
~ 47 mm
3.7
S7015
Ignition electrode
Diffuser
WARNING 2 – 3 mm
kcal/h kW
110
90.000
100
90
80.000
85
80
70.000
70
60.000
60
50.000
50
40.000
40
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
8
GB
Ionization probe
B Electrode
=
1 2 3
1 2 3
729 T50
4 5
Set point
1960 D
4 5
Set point