Checking And Adjusting The Ignition And Ionisation Electrodes; Cleaning The Heating Surfaces And Installing The Burner - Viessmann VITODENS 200-W 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.

Cleaning the heating surfaces and installing the burner

!
Please note
Scratches on parts that are in contact with flue gas can lead to corrosion.
Never use brushes to clean the heat exchanger.
20
(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 gaskets. Tighten the elec-
trode fixing screws with 2.5 Nm.