Cleaning, inspection, maintenance
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8.4
Maintenance
WARNING:
Non-regular backwash of the filter element
● Health risk due to contamination of the drinking water.
► Observe the intervals for inspection and backwash of the filter element.
8.4.1
Semi-annual maintenance
Manual backwash of the filter
During the backwash process, filtered pure water is still available.
► Press and hold the
button for more than 5 s.
» A manual backwash is carried out.
