WaterMax 60 Series Owner’s Manual
4/29/2008
24
61AAN WaterMax
®
Iron Filter Sizing Formula
The WaterMax
®
Iron Filter may be programmed to regenerate every one to twelve days. Select the frequency
based on the amount of iron in the water and the number of people in the household. For optimum
performance, program the water softener to regenerate first, followed by the Iron Filter.
Example: Softener 1:00 am; Iron Filter 3:00 am. See the 61AAN WaterMax
®
Iron Filter Sizing Formula.
Regeneration Cycle Frequency Worksheet
This table will help you determine how often the iron filter will need to regenerate.
Water
Example
Total Iron
____ ppm x 1 =
____ ppm
3.5 ppm x 1 =
3.5 ppm
+ Manganese*
____ ppm x 3 =
____ ppm
0.2 ppm x 3 =
0.6 ppm
+ Sulfur
____ ppm x 5 =
____ ppm
1.0 ppm x 5 =
5.0 ppm
= Total compensated ppm
____ ppm
9.1 ppm
x Gallons per day for one
person
75
gal
75
gal
= ppm per person per day
=
____ ppm
682.5 ppm
x Number of people in household
____ people
4 people
= Daily ppm capacity
____ ppm
2730 ppm
Iron filter capacity
=
10,000 ppm
10,000 ppm
÷ Daily ppm requirements
=
____ ppm
2730 ppm
= Frequency of regeneration
____ days
3.6 days
Set regeneration frequency
@
____ days
3 days
*If manganese is unknown, multiply the iron and sulfur total by 1.15 to adjust total compensated ppm.
Determine Monthly Usage
This table will help you determine how much regenerant the iron filter will use each month.
Water
Example
Total days per month
____ days
30 days
÷ Frequency of regeneration
____ days
3 days
= Regenerations per month
____ regenerations
10 regenerations
x 4 oz per regeneration = oz KMnO
4
per month
____ oz
4 oz x 10 regenerations
= 40 oz
÷ 16 = lb per month
____ lb
40 oz ÷ 16 oz/lb
= 2.5 lb
Notes:
Содержание WaterMax 61AAN
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