9
How it works
Think of the SJ-Series as a chlorine generator; set it to create a steady supply of chlorine for the pool, instead of buying
and adding chlorine by hand.
How it works: Using electrolysis, it creates chlorine from the salt molecules (NaCL) in your water in order to sanitize your
pool. A small electric charge is applied across a set of titanium plates inside the Electrolytic Cell. This produces Sodium
Hypochlorite (NaOCl). In water, Sodium Hypochlorite dissociates into sodium (NA+) and hypochlorite (OCl-) ions. It is the
hypochlorite ions that form with the hydrogen (H+) ions (from the water) to form hypochlorous acid (HOCl), which is the
active agent that destroys bacteria and algae, and oxidizes organic matter. This form of chlorine works quickly in the
pipe, leaving only a mild residual in the pool. In addition, the Electrolytic Cell continuously “shocks” the incoming water-
burning off any oils, organic matter, or other particles that need to be oxidized. Best of all, the process continuously
recycles the salt: after cleaning the pool, the original molecules reform and the whole process begins again. The salt
doesn't get used up!
Initial Start Up
Before starting the system for the first time, verify that the pool water is chemically balanced (see page 8) and that all
installation items are completed (see page 20)
Apply power to the pool pump switch (or timer controls). This should activate the system, and the Chlorine Output LED
indicators will display the selected level, and one of the Polarity LED indicators will be lit. The Polarity lights will
automatically alternate every six hours of run time, which minimizes the amount of mineral build up that may occur and
prolongs the life of the Cell.
Once powered on, you’ll want to set its power level (Chlorine Output). To find the optimum Chlorine Output setting,
start at a setting of approximately 75% and adjust as needed over the initial start up period. Measure your available
chlorine in the pool after two to three days, and adjust the Chlorine Output level accordingly. If the available chlorine is
too high, lower the Output level; if the available chlorine is too low, raise the Output level. It will take a few adjustments
to find the ideal setting for your pool. Once set for the pool’s current needs, it should only take minor adjustments of the
system’s power level and/or pump run times throughout the season.
General Operation
By familiarizing yourself with the operation of the SJ-Series, you can achieve the maximum performance for your pool.
There are three main factors that you can control which directly impact the resulting free chlorine level in the pool:
1) The chosen percentage of Chlorine Output on the Control Module
2) Hours of pump run-time each day
3) Water chemistry balance
- Including the amount of salt in the pool and chemicals that affect chlorine demand, such as chlorine stabilizer,
phosphates, nitrates, and more. See "Ideal Chemistry Levels" on page 8 for more important information.
After making the initial adjustments to your chosen Chlorine Output level, additional adjustments are typically only necessary
due to changing seasonal temperatures, or changes in pool use and bather load. Like any pool, ensure that your pump runs
long enough for all the pool water to pass through the filter 1.5x to 2x a day (usually at least 8 hours). This amount of time is
typically more than sufficient for chlorination of the pool, but if the pool has high chlorine demand, running the pool pump
longer allows for more chlorination. Measure your water chemistry and chlorine level on a regular basis.
As you use the system throughout the season, make sure that you clean the Cell as frequently as needed (see page 12).
Once the system detects that the Cell needs to be cleaned, it will display the “Cell” LED light, and then will not be able to
create more chlorine until all mineral scaling has been removed from the Cell.
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