Pentair POSEIDON Guide D'installation page 3

Section 3
Operation
Before pouring media, look inside and check lower underdrain for broken ore loose laterals. The sand is put in through the opening
in the top of the filter.
Turn the top diffuser system sideways. Fill the tank 1/3 full with water. Next fill the filter with the specified amount of gravel and then
sand. Do this carefully to avoid damaging the bottom laterals. After filling, turn the top diffuser pipe back to its original vertical and
centered position. Pull the air relief tubing slightly upwards, so the breather pipe strainer will fit into the cap after the cap has been
fitted. Place the O-ring seal on the cap and tighten hand-tight. Shift valve handle to "Rinse" position. Now start the pump and open
the bleed valve until water begins to appear from the blow-off opening in the bleed valve.
Never shift valve handle position while pump is running
Section 4
Filtration
When the filter is used for the first time, shift the valve handle to 'Backwash' position, until you see clear water appearing through the
sideglass. Do this at least 3 times before proceeding with below steps.
1. Shift multi-port valve handle to "Filtration" position.
2. Start the pump.
3. Bleed off any air in the filter.
4. Filter is running.
5. Make a note here of the pressure showing on the pressure gauge:
Section 5
To clean (backwash) the filter
When the pressure has increased by 0.5 bar or more (the measurement registered above) the filter sand needs to be backwashed.
This is done as follows:
1. Shut off the pump.
2. Shift the valve handle to "Filter backwash".
3. Start pump and let it run until water is clean (about 5-10 minutes).
4. Shut off the pump and turn off the water supply to the pump.
5. Clean the basket of the pump and turn on the water supply to the pump after closing the cleaning strainer cap.
6. Shift valve handle to "Rinse" position.
7. Start pump and run for approximately one minute.
8. Shut off the pump.
9. Shift valve handle to position "filtration" and start the pump.
Section 6
Servicing and Maintenance
Proper care and maintenance will add many years of service and enjoyment to the pool. To clean filter exterior of dust, dirt, wash with
a mild detergent and water, then hose off. Never wash the transparent cap with a solvent as it may become cloudy.
Replacement of sand
Open the drain and let the water flow out. Remove the sand. This can be done by means of the vacuum system "Sandvak", which can
be connected to the main water supply just like a garden hose. The filter can also be emptied by hand.
To replace the sand, turn the top diffuser system to the side.
Take care not to damage the bottom laterals.
The sand in the filter must be changed every 5 years.
Winterizing
In areas that have freezing winter temperatures protect pool equipment. The filter, pump and pipelines must be emptied to protect
them from freezing. To do this move the valve handle to the "Backwash" position, open drain tap with hose connection end 180° to
the left (do not unscrew) and open the bleed valve. Open all valves. A small flexible piece of tubing can be attached to the drain tap.
Allow filter, pump and pipelines to drain completely
bar.
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