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Settings
42
Water hardness
The combination steam oven must be
adjusted to the local water hardness
level to ensure that it works correctly
and to ensure that descaling is carried
out at the correct interval. The harder
the water is, the more frequently the
combination steam oven needs to be
descaled.
Contact your local water supplier to find
out the hardness of the water in your
area.
If you use bottled water, such as min-
eral water, make sure it is not carbon-
ated. Adjust this setting depending on
the calcium content. The calcium con-
tent is specified on the label of the
bottle in mg/lCa
2+
or ppm (mgCa
2+
/l).
You can set the hardness level between
1°dH and 70°dH. The hardness level is
set to 15°dH by default.
Water hardness Calcium con-
tent
mg/lCa
2+
or
ppm (mgCa
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
Water hardness Calcium con-
tent
mg/lCa
2+
or
ppm (mgCa
2+
/l)
Setting
°dH mmol/l
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
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
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