I M 16. Checking & Adjusting Ignition & Ionisation Electrodes; And Connecting A Drain Hose - Viessmann Vitocrossal 300 Service Instructions Manual

Initial start−up, inspection and maintenance
Further details regarding the individual steps
Checking and adjusting the ignition and ionisation electrodes
A
A Ignition electrodes
B Ionisation electrode
1. Check the electrodes for wear and
contamination.
2. Clean the electrodes with a small
brush or emery paper.
¨ Ensure that the wire mesh is
not damaged.
Disconnecting the neutralising system

and connecting a drain hose

A
18
(cont.)
B
3. Check all clearances. If the gaps
are not as specified or the
electrodes are damaged, replace
and align the electrodes together
with new gaskets.
Tighten the fixing screws with
2 Nm.
(if installed)
1. Separate the hose to the
neutralising system from
siphon A.
2. Connect drain hose to siphon A
and to a sewer.
7
A
.
,