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 Adjusting the water hardness
setting Use of salt
°dH °TH mmol/l manually electronically
51 - 70 91 - 125 9,1 - 12,5 2level 10 yes
43 - 50 76 - 90 7,6 - 8,9 2level 9 yes
37 - 42 65 - 75 6,5 - 7,5 2level 8 yes
29 - 36 51 - 64 5,1 - 6,4 2level 7 yes
23 - 28 40 - 50 4,0 - 5,0 2level 6 yes
19 - 22 33 - 39 3,3 - 3,9 2level 5 yes
15 - 18 26 - 32 2,6 - 3,2 1level 4 yes
11 - 14 19 - 25 1,9 - 2,5 1level 3 yes
4 - 10 7 - 18 0,7 - 1,8 1level 2 yes
< 4 < 7 < 0,7 1level 1 no
The water softener must be set in both ways:
manually, using the water hardness dial and
electronically.
Setting the water softener manually (see table)
Set switch to position 1 or
2
The water softener is factory set at position 2.
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