Unigas LAMTEC BT3 Series, Руководство по установке, использованию и обслуживанию

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PART IV: MAINTENANCE
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Replacing the ignition electrodes
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.
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.
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.
To replace the ignition electrodes, proceed as follows:
1
remove the burner cover
2 loose the nuts that fasten the electrodes group to the combustion head (A);
3 disconnect the electrodes cables (B);
4 loose the security dowes of the adjusting ring nut (C);
5 shift the electrodes group back to the outside and remove the combustion head (D),
6 loose the screw of th eignition electrodes support (E);
7 remove the electrodes and replace them paying attention to the measures showed in figure (F-G).
8 reassemble the burner by fllowing the procedure in the reversed order.
A
B C
D E F
electrodes - type RX512-FGR,
RX512R-FGR