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Installation and Service Manual
TABLE-P
Recommended Water Chemistry
Test
Correct pH
Chlorine Residual
Total Alkalinity
Calcium Hardness
Chlorine residual is the chlorine remaining in the pool water
after it is consumed in the process of destroying bacteria, algae
and other oxidizable materials. Total alkalinity is the
measurement of the total amount of alkaline chemicals in the
water. Alkalinity controls pH. Sodium bicarbonate is used to
raise total alkalinity. Calcium hardness can be raised by the
addition of calcium chloride, and lowered by the addition of
Tri-sodium Phosphate or its equivalent. The corrosive level of
pool water can also be measured by the Ryznar Stability Index.
This index is calculated by a formula which uses operating
temperatures, total alkalinity, pH, calcium hardness and total
dissolved solids. The Ryznar Stability Index is able to predict
more accurately the scaling or corrosive tendencies of
swimming pool water. Balanced water within the guidelines of
the Ryznar Stability Index are from 6.3 - 6.7. Use of the
Ryznar Stability Index may help prolong the service life of
pool equipment, which in turn will be a cost savings to the
commercial pool owner.
additional data and equipment to make this measurement if a
problem exists.
Refer to Circulating Pump on page 46 for information relating
to pump wiring.
Recommended Level
7.2 - 7.8
1.0 - 5.0 PPM
80 - 120 PPM
175 - 350 PPM
Your
pool dealer can provide
AMP Draw Data
Btu/Hr
Input
Controls
500,000
3.6
650,000
5.4
750,000
5.4
990,000
7.3
1,260,000
7.3
1,440,000
7.3
1,800,000
7.3
2,070,000
7.3
45
TABLE-Q
Approximate
Fans Pump
Total Amps
2.7
5.0
11.3
3.4
5.0
13.8
3.4
5.0
13.8
3.2
7.4
17.9
3.2
7.4
17.9
6.7
7.4
21.4
6.7
8.8
22.8
6.7
8.8
22.8
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