Drinking Water Filter (If Installed) - Viessmann VITODENS 111-W Operating Instructions Manual

Servicing
Inspection and maintenance

Drinking water filter (if installed)

Further information can be found
in chapter "Terminology" in the Ap-
pendix.
For hygiene reasons
■ replace filter element on non-back-
washing filters every six months (vis-
ual inspection every two months)
■ on backwashing filters, backwash
every two months
16
(cont.)