CIB UNIGAS RX92R-FGR Manual page 44

PART IV: MAINTENANCE
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.
C
ATTENTION: avoid the electrode to get in touch with metallic parts (blast tube, head, etc.), otherwise the boiler
operation would be compromised. Check the electrode position after any intervention on the combustion head.
Replacing the detection electrode (natural gas burners)
To replace the detection electrode, proceed as follows:
1 remove the combustion head according to the procedure on paragraph "Removing the combustion head";
2 by means of an allen key, loose the fixing screws of the detection electrode ER and replace it;
3 replace the combustion head.
ER
electrodes - type A
44
electrodes - type B / C
V