44
Replacing the electrodes
To replace the electrodes, proceed as follows:
1
remove the burner cover
C;
r
2
disconnect the electrodes cables;
3
emove the combustion head referring to paragraph “Removing the combustion head”;
4
unscrew
VE
screws that fasten the electrodes (see next pictures)
5
remove the electrodes and replace them referring to the measures indicated in the previous paragraph;
6
reconnect the electrodes cables;
7
replace the combustion head;
8
replace the burner cover.
ATTENTION:
avoid
the ignition and detection electrodes to contact metallic parts (blast tube, head, etc.), otherwise the boi-
ler’s operation would be compromised. Check the electrodes position after any intervention on the combustion head.
ER
C
V
RX90-RX91-RX510
RX515-RX520
