Electrode Positioning - Riello RS 70/EV Installation, Use And Maintenance Instructions

Detach the combustion head from the burner, (Fig. 11):
 loosen the 4 screws 3) and remove the cover 1);
 remove the screws 2) from the slide bars 5);
 remove the 2 screws 4) and pull the burner back on slide bars
5) by about 4";
 install the extension bars 15) Fig. 11, page 19 and re-screw
the screws 2) including the safety plate 16);
 disconnect the electrode wires and then pull the burner com-
pletely off the slide bars.
4.6

Electrode positioning

To verify the correct position of the ignition electrode (Fig. 13), you
need to separate the combustion head from the rest of the burner.
Measures must be respected.
WARNING
COMBUSTION HEAD CALIBRATION
At this point check, for model RS 130/EV, whether
the maximum delivery of the burner at high fire op-
WARNING
eration is contained in area A or in area B of the fir-
ing rate. See Fig. 4, page 11.
If it is in area A then no operation is required.
If, on the other hand, it is in area B:
– unscrew the screws 1)(Fig. 14) and disassem-
ble the blast tube 2);
– move the fixing of the rod 3)(Fig. 14) from posi-
tion A to position B, thereby causing the shutter
4) to retract;
– now refit the blast tube 2)(Fig. 14) and the
screws 1).
20029395
Installation
1
2
D10592
D10225
D738
20
Fig. 12
1/ 8"
5/ 16"
Fig. 13
Fig. 14