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5.4 Connection to an AquaLink
®
RS / PDA Control System
The Jandy
®
AquaPure
®
Ei
TM
chlorine generating device can be connected to an AquaLink RS or PDA Control System.
See Section 3.5 and 3.6. For detailed instructions for the AquaLink RS or PDA Control System, see the respective
manuals.
5.5 Polarity Reversal
The Jandy AquaPure Ei chlorine generating device is a reversable polarity cell which means that for every fi ve (5)
hours of operation the cell will switch its polarity to help prevent any build up of calcium on the cell plates. This is
sometimes referred to as the automated cell cleaning feature. During the transition between changing its polarity there
is a fi ve (5) minute wait time when the cell will not produce any chlorine. Once it has changed polarity it will continue
to make chlorine.
NOTE ‘CLEANING’ will be displayed on the screen during the fi ve (5) minute ‘WAIT’ period. The output
level indicator will remain as set during the cleaning period.
5.6 Backup Battery
The power pack is fi tted with a rechargeable battery which can last in excess of 500 hours without the power being
connected. In the event of a power failure the battery will retain ALL settings.
In the event of the battery losing its charge, the microprocessor in the unit will retain the following settings
permanently:
• Operating hours
• Cell hours
• Controller setting
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