Cleaning The Loading Cylinder; Checking And Replacing The Magnesium Anode (If Required) - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Cleaning the loading cylinder

Note
According to EN 806, a visual inspection and (if neces-
sary) cleaning must be carried out no later than two
years after commissioning, and as required thereafter.
8x
Fig. 37
1. Drain the loading cylinder.
2. Remove flange cover
3. Disconnect the loading cylinder from the pipework
to prevent contamination from entering the pipe-
work.
4. Remove loose deposits with a high pressure
cleaner.
!
Please note
When cleaning the inside,
only use plastic cleaning utensils.

Checking and replacing the magnesium anode (if required)

Check the magnesium anode. If it is discovered that
the anode has degraded to 10 to 15 mm Ø, we recom-
mend replacing the magnesium anode.
A
1.
3.
A .
Commissioning, inspection, maintenance
2.
5. Use a chemical cleaning agent to remove hard
deposits that cannot be removed with a high pres-
sure cleaner.
!
Please note
Never use hydrochloric acid
based cleaning agents.
6. Thoroughly flush the loading cylinder after clean-
ing.
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