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CircuPool SJ20A - Maintenance; Expected Maintenance; Cleaning the Electrolytic Cell

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12
WARNING: Other than the supplied cleaning tool, do not insert anything or use metal or other hard objects to
clean the cell, this will void the warranty.
CAUTION: When cleaning the Cell always wear adequate protection, such as rubber gloves and eye protection.
Always add acid to water, do not add water to acid. Always work in a well-ventilated area. Splashing or spilling
acid can cause severe personal injury and/or property damage.
WARNING: Do not insert anything or use metal or other hard objects to clean the cell, this will void the warranty.
.
Expected Maintenance
Monitor your pool’s salinity level as frequently as you check your other water chemistry levels.
After the system has run for a time, your cell will eventually need to be cleaned due to natural mineral scaling. The system
will notify you of this by turning on the “Cell” LED light. Visually check the cell for white mineral scaling, then follow the
cleaning instructions below.
IMPORTANT: The frequency of cleaning depends on your water chemistry and the Saturation Index of the water. For most
people, cleaning is only necessary a handful of times per season. More rapid mineral build up is sure sign of a chronically
high Saturation Index; it is possible for imbalanced chemistry to cause scaling to occur quite rapidly. Consult a pool
professional for additional help.
Cleaning the Electrolytic Cell
As a natural result of the electrolytic process which creates chlorine from salt molecules, a white mineral build-up is
attracted to the titanium plates in the Cell. The reverse polarity self-cleaning feature helps to inhibit such build-up and
scaling. However, the attraction of minerals is inevitable, and eventually it must be removed. To do so, follow these
steps:
Note: Cleaning the Cell is only necessary to remove an excessive build-up of minerals on the plates. A light coating of
minerals does not impede performance.
When removing the Cell for cleaning or replacement:
1) Turn off all power, close supply line valves if applicable.
2) Unplug the Cell cable connecting the Cell to the Control Module.
3) Disconnect the Cell by unscrewing the Threaded Collars around the unions where the Cell attaches to the plumbing.
4) Remove entire Cell from between the unions.
To clean the Cell of mineral buildup:
OPTION 1:
1) Orient the removed cell so that the inlet and outlet point towards the sky. Place on the ground and stabilize so as to
remain upright and prevent spilling.
2) In a separate bucket, mix one part muriatic acid into four parts water. Pour this weak acid solution directly into cell.
3) Allow solution to soak for NO MORE THAN TEN MINUTES.
4) Properly dispose of acid solution and use a hose to generously rinse the cell.
5) Reinstall cell into PVC return line, and ensure Cell cable connection is clean and tight on all three terminals.
MAINTENANCE

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