Checking And Adjusting The Ignition And Ionisation Electrodes - Viessmann VITODENS 300 Service Instructions Manual

Initial start-up, 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.
!
Important information
Wire mesh
do not damage.
22
(cont.)
B Ionisation electrode
3. Check all clearances. If the gaps
are not as specified or the electro-
des are damaged, replace and
align the electrodes together with
new gaskets A. Tighten the elec-
trode fixing screws with 2 Nm.