20169327
24
GB
Installation
External air R1 adjustment
Rotate the screw 4)(Fig. 19) until the notch you have found
corresponds with the front surface 5) of the flange.
Central gas/air R2 adjustment
Loosen the 3 screws 1)(Fig. 19) and rotate the ring nut 2)
until the notch you have found corresponds with the
index 3).
Block the 3 screws 1).
Example:
RS 120/E O
2
BLU, burner output = 750 kW.
The diagram of (Fig. 18) shows that the adjustments for this po-
tential are:
–
air R1
= notch 6
–
central gas/air R2
= notch 2
NOTE:
the diagram (Fig. 18) indicates the optimum adjustment for a
type of boiler according to Fig. 4 at page 11.
5.10
Burner closing
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. 16;
refit the screws 2) on the guides 3);
insert the probe and electrode cables, then slide the burner
as far as the pipe coupling - burner in the position shown in
Fig. 20;
connect the socket of the maximum gas pressure switch;
fix the burner to the pipe coupling with the screws 1).
WARNING
To facilitate adjustment, loosen the screw 6),
adjust and then lock.
WARNING
The adjustments indicated can be modified during
the initial start-up.
2
(R2)
1
3
6
4
(R1)
5
1
2 (R3)
3
Fig. 19
D7675
WARNING
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.
5
1
4
3
2
20113906
Fig. 20
Summary of Contents for RRS 68/E O2 BLU
Page 2: ...Translation of the original instructions ...
Page 44: ...20169327 42 GB Appendix Electrical panel layout ...
Page 46: ...20169327 44 GB Appendix Electrical panel layout ...
Page 47: ...45 20169327 GB Appendix Electrical panel layout ...
Page 48: ...20169327 46 GB Appendix Electrical panel layout ...
Page 55: ......
