11
E
.0
4.
99
•
G
. 0
9.
05
.1
2
15.Adjustment of the mixing head
Set the position of the mixing head according to burner
output in accordance with the table on page 14 ff.
16. Adjusting the ignition/ionisation electrode
The electrodes are preset at the factory. The dimensions are specified for checking purposes.
17. Adjusting the inlet nozzle
The position of the inlet nozzle is preset at the factory,
but can be adapted to different system operating condi-
tions, altitude above sea level and outputs.
To adjust, undo the screws (as shown). Set the new
position you have chosen using the scale and the mark
(refer to adjustment table for scale values).
Reattach the inlet nozzle in the new position.
Inlet nozzle position:
- = low blower output (40°)
+ = maximum blower output (16°)
Ignition electrode
Ionisation electrode
1
1
.5
±
0
.5
4 -
1
11 ± 0.5
12 ± 0.5
5 +2
Ignition electrode
Ionisation electrode
Start-up
Summary of Contents for GG20-LN
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