22
Checking and adjusting the ignition and ionisation electrodes
14
±1
6
+2
0
4
+0,5 0
A
A
B
A
Ignition electrodes
B
Ionisation electrode
1.
Check the electrodes for wear and
contamination.
2.
Clean the electrodes with a small
brush (not with a wire brush) or sand
paper.
!
Please note
Do not damage
the wire gauze.
3.
Check the electrode gaps. If the gaps
are not as specified or the electrodes
are damaged, replace the electrodes
together with new gaskets and adjust
them as required. Tighten the elec-
trode fixing screws with 2 Nm.
Cleaning the combustion chamber/heat exchanger and installing
the burner
!
Please note
Scratches on parts that are in contact with flue gas can lead to corrosion.
Never use brushes to clean the heat exchanger.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 843 GB