Harmopool ZFZX4920-P Manual page 5

Sfera bobin sand filter
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Attention!
○ Air inside the filter body or a malfunction of the valve can damage the valve or the
installation.
○ Place the valve in such a way that the hoses can be connected properly.
○ Connect the filter to the pump and use Teflon for a proper seal.
○ The filter body can rupture or explode at a pressure of 2 bar. The maximal operating
pressure is around 1.5 bar. Therefore, never install a pump which puts more than 1.3 bar of
pressure on the filter body. Switch off the pump if the pressure rises above 1.5 bar.
○ Never place the valve on the outlet of the filter/pump installation. A closed valve can cause
the filter to explode.
○ Always keep chemicals at least 5 meters removed from the pump and filter. The chemical
fumes of these products can rust the parts causing damage to the valve, pump and filter.
○ The electrical installation of the pumps has to take place according to local standards. The
distance between the swimming pool and the pump installation has to be at least 4 meters.
○ For safety a 30 mA differential plug has to be present. The filter kit is used exclusively with
swimming pools.
○ This filter combination works under pressure. When it isn't assembled properly or if air is
present in the filter circuits, serious injuries can be the result.
○ Regularly check whether the valve and the pipes are in good condition. Never use this
installation at pressure higher than 1.5 bar.
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