3M Aqua-Pure CS Series, Installation And Operating Instructions Manual

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3-2
REGENERATION FREQUENCY SCHEDULES (Cont'd)
(TIMES PER 12 DAYS)
Model CS2001
Persons
in
Family
Hardness -- GPG
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
1 1 1 1 1 1 1 `1 1 1 1 1 2 2 2 2 2 2 2
2 1 1 1 1 1 2 1 2 2 2 2 3 3 3 3 3 3 4
3 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 6 6 6
4 1 1 2 2 2 3 2 3 4 4 4 6 6 6 6 6 6 12
5 1 1 2 2 3 3 3 4 4 6 6 6 6 12 12 12 12 12
6 1 2 2 3 3 4 3 6 6 6 6 12 12 12 12 12 12 12
7 1 2 2 3 4 4 4 6 6 12 12 12 12 12 12 12 12 12
8 1 2 3 3 4 6 4 6 12 12 12 12 12 12 12 12 12
9 1 2 3 4 4 6 6 12 12 12 12 12 12 12 12
10 1 2 3 4 6 6 6 12 12 12 12 12 12