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SECTION 3 - OWNER QUICK START & RUN
3.1 How Your Chlorinator Works
The Pool Pilot
®
Professional is designed to handle the purification needs of commercial
swimming pools and spas. The amount of chlorine required for proper sanitization will vary
based on the pool size and factors such as water temperature, bather load, exposure to direct
sunlight, and special water features.
The system requires a low concentration of dissolved salt (sodium chloride) in the water that is
normally maintained between 3,000 and 4,500 ppm (mg/L). The AutoPilot
®
unit uses the salt to
generate chlorine, which your pool / spa requires to remain sanitized. The chlorine reverts back
to salt after treating the water. Since the chlorine generation process does not reduce pool water
salinity, there is minimal loss during a swimming season. Salt can be lost due to filter back
washing, rain water overflow, leaks, or bather splashing / carry out, but not through evaporation.
The water circulation pump must be operating for your Pool Pilot
®
to produce chlorine, so run
time is one of several key factors to maintaining proper sanitizer levels. Refer to your local health
codes and / or your pool service professional for required pool filtration turnover rates and
suggested pump run times.
3.2 Water Balance and Chemistry Recommendations
Water balance is the relationship between different chemical measurements in your pool water.
A pool that is balanced has proper levels of pH, Total Alkalinity and Calcium Hardness.
Balanced water can also be defined as water that is not corrosive or scaling. Water that is not
balanced can damage equipment and pool surfaces. See "Basic Water Chemistry" on page 37.
Proper water chemistry levels are essential to maintain safe and consistent swimming pool
operation. Sanitizers are used to destroy harmful or otherwise objectionable organisms.
Stabilizer or Cyanuric Acid (CYA) is used to prevent unnecessary loss of chlorine to sunlight.
Salt is used by the Pool Pilot
®
to generate chlorine sanitizer.
The following recommended water chemistry parameters are for residential pool / spa
applications only. Follow local regulatory guidelines for any commercial pool / spa applications.
POOL
SPA
Parameter
Units
Min
Ideal
Max
Min
Ideal
Max
Free Chlorine
ppm (mg/L)
1.0
2.0 - 4.0
5.0
2.0
3.0 - 4.0
10
Combined Chlorine
ppm (mg/L)
0.0
0.0
0.2
0.0
0.0
0.5
pH
-
7.2
7.4 -7.6
7.8
7.2
7.2 -7.8
7.8
Total Alkalinity
ppm (mg/L)
60
80 - 100
180
60
80 - 100
180
Calcium Hardness
ppm (mg/L)
150
200 - 400
1000
100
150 - 250
1000
Salt
ppm (mg/L)
2,000
3,500 - 4,500
**
2,000
3,500 - 4,500
**
Cyanuric Acid (stabilizer)
ppm (mg/L)
0
30 - 50
***
0
30 - 50
***
** Typically 6,000 ppm (mg/L) or less is recommended; unit can operate with levels as high as 35,000+
ppm (mg/L).
*** This is dictated by state or local codes but is typically 80 ppm (mg/L).
See "Basic Water Chemistry" and "Using the Saturation Index" sections later in this manual for further
information concerning pool / spa water chemistry maintenance requirements. Refer to the
"Troubleshooting" section for assistance with resolving low or high chlorine issues.
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