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SECTION 3: REGENERATION INSTRUCTIONS
INSTRUCTIONS FOR USING REGENERATION FREQUENCY SCHEDULES:
(Time Clock Initiated Models Only)
1) Determine ADJUSTED HARDNESS by adding three (3) times the iron content in parts per million (ppm) to the hardness in grains per gallon (gpg). The
resulting number is ADJUSTED HARDNESS.
EXAMPLE: Hardness is 14 gpg and iron is 2 ppm. ADJUSTED HARDNESS is 20 gpg (14 plus 3 times 2).
2) Select REGENERATION FREQUENCY SCHEDULE corresponding to your model. Locate box intersected by NUMBER IN FAMILY and ADJUSTED HARD-
NESS (if ADJUSTED HARDNESS is between two numbers in schedule, use higher number). Number in box represents FREQUENCY or NUMBER OF
times per 12 DAYS timer should be set to regenerate. Refer to HOW TO SET TIME CLOCK REGENERATION CONTROL to set correct frequency.
EXAMPLE: You have Model NWS100, 4 in family and 20 gpg adjusted hardness. Refer to REGENERATION FREQUENCY SCHEDULE for Model Series 100 and
locate box intersected by 4 in family and 20 gpg adjusted hardness. The fi gure "3" in box indicates a REGENERATION frequency of THREE TIMES PER 12
DAYS (if a "1", "2", "4", etc. were in box, frequencies of once, twice and four times per twelve days, respectively, would be indicated.)
REGENERATION FREQUENCY SCHEDULES
(TIMES PER 12 DAYS)
Model(s) 100
HARDNESS — gpg
Persons In
Family
5 1015202530354045505560
1 111112222222
2 112223334446
3 1223344666612
4 1233466612121212
5 1 2 3 4 6 6 12 12 12 12 12 12
6 2 3 4 6 6 12 12 12 12 12 12
7 2 3 4 6 6 12 12 12 12
8 2 3 6 6 12121212
Model(s) 150
HARDNESS — gpg
Persons In
Family
5 1015202530354045505560657075
1 111111111222222
2 111122223333344
3 111223334446666
4 11223344666661212
5 12233446661212121212
6 1233466612121212121212
7 12344661212121212121212
8 12346612121212121212
9 13466121212121212
10 234661212121212