Combustion Head Adjustment - Riello 566M Installation, Use And Maintenance Instructions

COMBUSTION HEAD ADJUSTMENT

Loosen the screw (A), move the elbow (B) so that
the rear plate of the coupling (C) coincides with
the set point.
Tighten the screw (A).
Example:
The burner is installed in a 40 kW boiler.
Considering efficiency of 90% the burner must
supply around 44 kW.
The diagram shows that for this
output the adjustment must be
made on notch 3.
The diagram is to be used only
for initial settings, to improve air
pressure switch operation
improve combustion, it may be
necessary to reduce this setting
(set point toward position 0).
PROBE - ELECTRODE POSITIONING
IMPORTANT
Do not turn the starting electrode but leave it as shown in the drawing; if the starting electrode is put
near the ionization probe, the amplifier of the control box might be damaged.
Put the ceramic near
the diffuser disc
Probe
D5033
3286
kcal/h kW
70
60,000
60
50,000
or
50
40,000
44
40
30,000
30
20,000
20
10,000
10
0
Probe Diffuser
2
6
C
A
B
1 2
Ignition electrode

WARNING 2.5
GB
S7015
D5068
3 4
Set point
Electrode
3.5 mm
5