System Lock - Miele CVA 7445 Operating And Installation Instructions

The calcium content is given on the
label of the bottle in mg/l Ca
2+
(mg Ca /l).
Do not use carbonated water.
The hardness level is set to 21.8 gpg
(21°dH) by default.
Water hardness
°dH gpg
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 14
14 15
15 16
16 17
17 18
18 19
19 20
20 21
21 22
22 23
23 24
2+
or ppm
Calcium Setting
content
2+
mg/l Ca or
2+
ppm (mg Ca /l)
7
14
21
29
36
43
50
57
64
71
79
86
93
100
107
114
121
129
136
143
150
157
164
Water hardness
°dH
24
25
26
27
28
29
30
1
31
2
32
3
33
4
34
5
35
6
36
7
37–45
8
46–60
9
61–70
10
Tip: If your water hardness is
11
> 21.8 gpg (21°dH), we recommend
12
using bottled drinking water instead
13
(< 150 mg/l Ca
coffee machine will need to be
14
descaled less often and there will be
15
less impact on the environment
16
because less descaling agent will be
used.
17
18
System lock 
19
You can lock the coffee machine to
20
prevent it from being used by
21
unauthorized persons, such as children.
22
23
Calcium
content
gpg
2+
mg/l Ca or
ppm (mg Ca
25 171
26 179
27 186
28 193
29 200
30 207
31 214
32 221
33 229
34 236
35 243
36 250
37 257
38–47 258–321
48–62 322–429
63–73 430–500
2+
). This will mean your
Settings
Setting
2+
/l)
24
25
26
27
28
29
30
31
32
33
34
35
36
37–45
46–60
61–70
47