Maintaining the SwimPure Plus System
To maintain maximum performance, it is recommended that you open and visually inspect the
cell every 3 months or after cleaning your filter. The SwimPure Plus will remind you to do this by
flashing the "Inspect Cell" LED after approximately 500 hours of operation. After you inspect the
cell (and clean, if necessary) press the small "diagnostic" button next to the display for 3 seconds
to stop the flashing "Inspect Cell" LED and start the timer for the next 500 hours.
The SwimPure Plus electrolytic cell has a self cleaning feature incorporated into the electronic con-
trol’s logic. In most cases this self cleaning action will keep the cell working at optimum efficiency.
In areas where water is hard (high mineral content) and in pools where the water chemistry has
been allowed to get "out of balance", the cell may require periodic cleaning. The "Inspect Cell"
LED will indicate if cell efficiency is decreased and servicing is necessary. If the "Inspect Cell" LED
remains on after a thorough cleaning, the cell may be worn and require replacement.
Servicing and Cleaning the SwimPure Plus cell
Turn off power to the SwimPure Plus before removing the electrolytic cell. Once removed, look
inside the cell and inspect for scale formation (light colored crusty or flaky deposits) on the plates
and for any debris which has passed through the filter and caught on the plates. If no deposits are
visible, reinstall. If deposits are seen, use a high pressure garden hose and try to flush the scale
off. If this is not successful, use a plastic or wood tool (do not use metal as this will scratch the
coating off the plates) and scrape deposits off of plates. Note that a buildup on the cell indicates
that there is an unusually high calcium level in the pool (old pool water is usually the cause). If
this is not corrected, you may to have to periodically clean the cell. The simplest way to avoid this
is to bring the pool chemistry to the recommended levels as specified.
Mild Acid Washing: Use only in severe cases where flushing and scraping will not remove the
majority of deposits. To acid wash, turn off power to SwimPure Plus. Remove cell from piping. In
a clean plastic container, mix a 4:1 solution of water to muriatic acid (one gallon of water to one
quart of muriatic acid). ALWAYS ADD ACID TO WATER - NEVER ADD WATER TO ACID. Be sure
to wear rubber gloves and appropriate eye protection. The level of the solution in the container
should just reach the top of the cell so that the wire harness compartment is NOT submerged. It
may be helpful to coil the wiring before immersing the cell. The cell should soak for a few minutes
and then rinse with a high pressure garden hose. If any deposits are still visible, repeat soaking
and rinsing. Replace cell and inspect again periodically.
Winterizing
The SwimPure Plus electrolytic cell and flow detection switch will be damaged by freezing water
just as your pool plumbing would. In areas of the country which experience severe or extended
periods of freezing temperatures, be sure to drain all water from the pump, filter, and supply and
return lines before any freezing conditions occur. The electronic control is capable of withstanding
any winter weather and should not be removed.
Spring Start-up
DO NOT turn the SwimPure Plus on, until the pool water chemistry has been brought to the proper
levels. This information can be found on page 3.
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
10
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
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