Checking And Replacing The Magnesium Anode (If Required) - Viessmann VITOLADENS333-F Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
3. Disconnect the DHW cylinder from
the pipe system to prevent contam-
ination from entering the pipe sys-
tem.
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 recommend replacing the magnesium anode.
28
(cont.)
5. Use a chemical cleaning agent to
remove hard deposits that cannot
be removed by a high pressure
cleaner.
!
Please note
Never use hydrochloric acid
based cleaning agents.
6. Thoroughly flush the DHW cylinder
after cleaning.