Riello RS 160/E O2 BLU Installation, Use And Maintenance Instructions page 27

Example:
burner output = 500 kW.
For this output, according to diagram Fig. 20, the adjustments to
do are:
– R1 air= notch 6
– R2 central gas/air= notch 2
Once the combustion head adjustment is completed:
 reassemble the burner on the guides 3) at about 100 mm
from the pipe coupling 4) - burner in the position shown in
Fig. 17;
 insert the probe and electrode cables, then slide the burner
as far as the pipe coupling - burner in the position shown in
Fig. 21;
 connect the socket of the maximum gas pressure switch;
 refit the screws 2) on the guides 3);
 fix the burner to the pipe coupling with the screws 1).
When fitting the burner on the two guides, it is
advisable to gently draw out the high voltage
cable and flame detection probe cable until they
are slightly taut.
WARNING
Installation
NOTE:
the diagram (Fig. 20) indicates the optimum adjustment for a
type of boiler according to Fig. 4 at page 11.
The adjustments indicated can be modified during
the initial start-up.
WARNING
Max burner output
25 GB
2 3 4
20162099
Fig. 20
20113906
5
1
Fig. 21
20164541