is measured in equivalent scales, German de- grees (°dH), French degrees (°TH) and mmol/ l (millimol per litre - international unit for the hardness of water).
The softener should be adjusted according to the hardness of the water in your area. Your local Water Authority can advise you on the hardness of the water in your area.
Water hardness
°dH | °TH | mmol/l |
51 - 70 | 91 - 125 | 9,1 - 12,5 |
43 - 50 | 76 - 90 | 7,6 - 8,9 |
37 - 42 | 65 - 75 | 6,5 - 7,5 |
29 - 36 | 51 - 64 | 5,1 - 6,4 |
23 - 28 | 40 - 50 | 4,0 - 5,0 |
19 - 22 | 33 - 39 | 3,3 - 3,9 |
15 - 18 | 26 - 32 | 2,6 - 3,2 |
11 - 14 | 19 - 25 | 1,9 - 2,5 |
4 - 10 | 7 - 18 | 0,7 - 1,8 |
< 4 | < 7 | < 0,7 |
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The water softener must be set in both ways: manually, using the water hardness dial and electronically.
Adjusting the water hardness
setting
manually |
| electronically |
2 |
| level 10 |
2 |
| level 9 |
2 |
| level 8 |
2 |
| level 7 |
2 |
| level 6 |
2 |
| level 5 |
1 |
| level 4 |
1 |
| level 3 |
1 |
| level 2 |
1 |
| level 1 |
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Use of salt
yes yes yes yes yes yes yes yes yes no
Setting the water softener manually (see table)
The water softener is factory set at position 2.
Set switch to position 1 or 2
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