6.
Refit the thermal insulation ring
C
and electrodes
A
.
Checking and adjusting the ignition and ionisation electro-
des
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
emery 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
and align the electrodes together
with new gaskets. 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 gases can lead to corro-
sion.
Never use brushes to clean the heating surfaces.
Further details regarding the individual steps
(cont.)
20
Commissioning, inspection, maintenance
5692
761
GB
Summary of Contents for Vitodens 200-W WB2B Series
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