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Figure 29. Invert the CellFigure 27. Undo Locking Ring Figure 28. Remove the Cell
WARNING
•
When cleaning the cell, wear protective eyeglasses and gloves.
• When mixing acid with water, ALWAYS ADD ACID TO WATER. NEVER ADD WATER TO ACID.
Disconnect power to the system at the main circuit breaker before performing this procedure to avoid risk of
electric shock which can result in property damage, severe injury or death.
WARNING
Locking Ring
Tool
6.3 Cleaning the Cell
The power pack has an automatic cell cleaning feature (polarity reversing) that removes scale deposits from the cell
(see Section 5.5).
Scale will form in excessively hard water or from pool water that is out of balance and in a scaling condition.
Following the installation of the Jandy
®
AquaPure
®
Ei
TM
chlorine generating device, check the cell once a month for
signs of scale.
If the cell has a tendency to scale, it is recommended that every month the cell be removed and inspected for scale
formation and/or debris. Some fi lters allow debris to pass through to the cell which could lodge between the plates
in the cell. A small amount of scale formation is normal. If by looking through the cell it is observed that there is
excessive scale formation between the plates or debris is present, the cell must be cleaned as follows:
1. Ensure that all power to the power pack and the controller is disconnected/turned off at the circuit breaker.
2. Before removing the cell for cleaning, shut off any necessary valves to prevent any water loss.
3. Remove the terminal cap and cell leads.
4. Undo the locking ring. If required, use the locking ring tool provided (see Figure 27).
5. Remove the cell (see Figure 28).
6. Refi t the terminal cap on the cell and invert (see Figure 29).
7. With protective glasses and gloves on, add one (1) part muriatic acid to ten (10) parts water and mix.
8. Fill the cell to the top of the electrode plates with the acid solution. Leave solution in cell no longer than 30 min.
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