Cleaning The Primary Cylinder - Viessmann VITODENS 222-F Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Cleaning the primary cylinder

Note
EN 806 specifies a visual inspection and (if required) cleaning every two years after
the cylinder has been taken into use and thereafter according to requirements.
1.
1. Drain the primary cylinder.
2. Remove flange lid.
3. Disconnect the primary cylinder from
the pipework to prevent contamina-
tion from entering the pipe system.
44
2.
8x
3.
5.
4. Remove loose deposits with a high
pressure cleaner.
!
Please note
When cleaning the inside,
only use plastic cleaning uten-
sils.
(cont.)
4.