Checking And Adjusting The Ignition And Ionisation Electrodes - Viessmann VITODENS 333-F WS3A 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.
20
(cont.)
B Ionisation electrode
C Gasket
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.