4.
Insert a new burner gauze assem-
bly with a new gasket and secure
with three nuts.
Note
Torque: 4 Nm
Checking and adjusting the ignition and ionisation electro-
des
A
Ignition electrodes
B
Ionisation electrode
C
For 3.8 to 19 kW
D
For 5.2 to 35 kW
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 2.5 Nm.
Further details regarding the individual steps
(cont.)
19
Commissioning, inspection, maintenance
5692
673
GB
Summary of Contents for VITODENS 300-W
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