» INSTALLATION INSTRUCTIONS
/ OCTO / OCTO + / HEXA
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LENGTH OF THE FILTRATION CYCLE:
The length of the filtration cycle depends on the theoretical time taken for all the water in the pool to pass through the
filter. For private pools, the max time allowed for all the water to be recycled is 8 hours.
We recommend the following as a function of water temperature:
- Below 14°C : 5 to 6 hours per day.
- From 15° to 23 °C : 6 to 8 hours per day.
- Above 23 °C : 10 to 12 hours per day.
The higher the bather load and the pool water temperature, the longer the filtration cycle should be. To optimise
filtration efficiency, run the filter during the day (between 8:00 am and 9:00 pm) and, more generally, while the pool is in
use (one bather pollutes 3 m³ of water ).
CLEANING THE PREFILTER AND FILTER BACKWASH:
PRE-FILTER
After a certain time, a drop in the flow rate at the return fittings will be noted. This is due to progressive clogging of the
filter or pump prefilter.
1 - If the pressure indicated on the pressure gauge falls below the nominal pressure indicated by the blue needle, clean
the pump pre-filter.
- Stop the pump.
- Turn the 6-way valve to CLOSED.
- Close the suction and return valves.
- Open the pump pre-filter.
- Remove the basket.
- Use a water jet to remove any impurities.
- Put the pre-filter basket back.
- Put the pre-filter lid back on making sure that the seal is correctly positioned and that there is enough water to prime
the pump.
- Put the 6-way valve to FILTRATION.
- Open the suction and return valves.
- Switch the pump on.
- Vent the filter (this should be done each time the pre-filter is cleaned and at least once a week).
FILTER
2 - If the pressure indicated by the pressure gauge rise above the nominal pressure, carry out a filter back wash.
- Stop the pump.
- Check the pre-filter and clean it out if necessary (as indicated above).
- Before proceeding with a filter back wash or draining the pool, make sure that the waste pipe (not provided) has been
attached to the waste outlet.
- Put the 6-way multi port valve to “Backwash”
- Switch the pump on.
- observe the colour of the water in the sight glass.
Caution! It will take a few seconds for cleaning to commence and the water to become cloudy.
- As soon as the water runs clear, stop the pump.
- Turn the 6-way valve to “Rinse”
- Run the pump for 20 to 30 seconds, this will evacuate any impurities remaining in the valve and stabilise the sand.
- Stop the pump.
- Turn the 6-way valve to “Filtration”.
- Turn the pump back on.
After a back wash, the pressure needle should align with the nominal pressure indicator.
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COMMISSIONING & OPERATING THE FILTER SYSTEM
