BWT AQA perla XL Installation And Operating Manual page 73

Hardness IN
6
Hardness OUT
IN: 22 °d
OUT: 6 °d
10:10:37
10
245 l
IN Drinking water hardness
Enter the measured hardness of the drinking water.
Change number and confirm
OUT
Enter the desired hardness of the blended water
(residual hardness). (BWT recommends 4 -
8°dH. A residual hardness of > 8.4°dH is required
in Austria).
Change number and confirm
Blending starts.
You can now finely adjust the outlet water hardness.
121 l
Hardness of blended water
EN
73
73