Checking And Adjusting The Ignition And Ionisation Electrodes - Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
Checking and adjusting the ignition and ionisation electro-
des
A Ignition electrodes
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.
38
(cont.)
B Ionisation electrode
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 gasket A. Tighten the
electrode fixing screws with
2.5 Nm.