BWT STANDARD Installations- Und Anwendungshandbuch Seite 48

6. USAGE
9. Remove the third pre-filter's sump from filter head. Be careful as it is filled with water.
10. Remove the used filter cartridge and wash the sump with unflavored soap and a clean sponge, then rinse thoroughly
with water.
11. Insert new cartridge into the third sump. Screw the sump back on and let through at least 4 more liters of water to
flush the coal dust. Close the feed valve
13.
Open the tank valve
14.
Open the feed valve
48
5
and connect the previously separated tube with the auto shut-off valve.
6
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5
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Code P0090636 - Rev 0 - 19/06/2019