Operating instructions/Installation instructions

Settings
24
Water hardness
Contact your local water supplier to find
out your local water hardness range if
necessary.
The degree of hardness can be set
between 1°dH and 70°dH.
If you are using bottled drinking water,
such as mineral water, be sure not to
use carbonated water. Select settings
according to the calcium content. The
calcium content is given on the label of
the bottle in mg/lCa
2+
or ppm
(mgCa
2+
/l).
Water hardness Calcium con-
tent
mg/lCa
2+
or
ppm (mgCa
2+
/l)
Setting
°dH mmol/l
1 0.2 7 1°
2 0.4 14 2°
3 0.5 21 3°
4 0.7 29 4°
5 0.9 36 5°
6 1.1 43 6°
7 1.3 50 7°
8 1.4 57 8°
9 1.6 64 9°
10 1.9 71 10°
11 2.0 79 11°
12 2.2 86 12°
13 2.3 93 13°
14 2.5 100 14°
15 2.7 107 15°
16 2.9 114 16°
17 3.1 121 17°
Water hardness Calcium con-
tent
mg/lCa
2+
or
ppm (mgCa
2+
/l)
Setting
°dH mmol/l
18 3.2 129 18°
19 3.4 136 19°
20 3.6 143 20°
21 3.8 150 21°
22 4.0 157 22°
23 4.1 164 23°
24 4.3 171 24°
25 4.5 179 25°
26 4.7 186 26°
27 4.9 193 27°
28 5.0 200 28°
29 5.2 207 29°
30 5.4 214 30°
31 5.6 221 31°
32 5.8 229 32°
33 5.9 236 33°
34 6.1 243 34°
35 6.3 250 35°
36 6.5 257 36°
37–45 6.6–8.0 258–321 37°–45°
46–60 8.2–10.7 322–429 46°–60°
61–70 10.9–
12.5
430–500 61°–70°