Zanussi Electrolux ZDF 501 User Manual page 9

Water hardness
Clarke 1) in °TH
64 - 88 91 - 125
53 - 63 76 - 90
46 - 52 65 - 75
36 - 45 51 - 64
28 - 35 40 - 50
23 - 27 33 - 39
18 - 22 26 - 32
13 - 17 19 - 25
5 - 12 7 - 18
< 5 < 7
1) Clarke degree, measure of the water hardness.
2) (°TH) French degree, measure of the water hardness.
3) (mmol/l) millimol per litre, international unit for water hardness
Setting the water softener manually (see table)
Level indicated on
the digital display
2) in mmol/l 3)
9,0 - 12,5
7,6 - 8,9
6,5 - 7,5
5,1 - 6,4
4,0 - 5,0
3,3 - 3,9
2,6 - 3,2
1,9 - 2,5
0,7 - 1,8
< 0,7
Set switch to position 1
or 2
Adjustment of the
water hardness setting
manually
2
2
2
2
2
2
1
1
1
1
The water softener is factory set at position 2.
electronically
level 10
level 9
level 8
level 7
level 6
factory
level 5
setting
level 4
level 3
level 2
level 1
no salt necessary
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