Cleaning The Primary Store - Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual

Further details regarding the individual steps

Cleaning the primary store

Note
According to EN 806, a visual inspection
and (if necessary) cleaning must be car-
ried out no later than two years after
commissioning and thereafter as
required.
1. Drain the primary store.
2. Remove flange cover A.
3. Disconnect the primary store from the
pipework to prevent contamination
from entering the pipe system.
4. Remove loose deposits with a high
pressure cleaner.
!
Please note
When cleaning the inside,
only use plastic cleaning uten-
sils.
Commissioning, inspection, maintenance
8x
1.
3.
5. Use a chemical cleaning agent to
6. Thoroughly flush the primary store
(cont.)
2.
remove hard deposits that cannot be
removed by a high pressure
cleaner.
!
Please note
Never use hydrochloric acid
based cleaning agents.
after cleaning.
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