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Adjusting the electrodes
Important Note: Check the ignition and detection electrodes after removing/adjusting 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.
The gap between the ignition electrodes must be 4mm.
Replacing the ignition electrodes
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.
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).
A
E
CIB UNIGAS - M039177CA
4 mm
t
B
F
Detection electrode
C
4mm
25mm
25mm
38
ignition electrodes
Fig. 37
D
G
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