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You have just become the owner of a sand filter unit with a base and a top multi-way valve.
Note: The illustrations and specifications shown in this Guide are not binding and may differ from the product
supplied. The manufacturer reserves the right to make changes without prior notice.
OPERATING PRINCIPLE
Your filtration unit uses special filter sand for removing impurities from flowing water. The filter sand fills the
filter vessel and works as a permanent trap for impurities. Swimming pool water containing impurities is
supplied by a pump via a coarse pre-filter and fed into the multi-way valve (hereinafter the valve) and then to
the top area of the filter vessel. The water is then forced through the sand, which removes fine impurities from
it, to the bottom part of the vessel. The water goes back into the swimming pool via the valve. The whole
process is continuous, automatic and ensures complete circulation of the water in the swimming pool.
INSTALLATION
The installation merely requires simple tools such as a screwdriver and some wrenches, and Teflon sealing
tape for sealing joints between the plastic components.
1. Place the filtration unit on a solid level substrate, such as a concrete slab, so that its position meets the
requirements for connecting it to the power grid, the shortest position pipeline connection to the swimming
pool, valve accessibility and winterizing. The tip of the filtration vessel can be located up to 1.5 m above
the water level.
2. Mount the pump and the pump base (if supplied).
3. Fill the vessel with filter sand via the vessel flange, as described below:
a) Install the drain fitting (12) in the hole in the vessel (2) and then screw the drain plug (13) on it.
b) Insert the centre tube (10) into the collecting basket (11), insert the assembly inside the vessel (2) and
place it in the centre of the vessel bottom. Close the top hole in the tube with the lid (19) or a suitable end
cap to prevent sand entering it.
c) For better distribution of the filter sand, first fill about a third of the vessel with water. That will prevent
excessive strain on the collecting basket when filling with sand. Before that, make sure the drain fitting
(12) is in place.
d) Carefully pour the recommended amount of sand with the recommended grain size (see the table) into
the vessel. The sand, when spread flat, should reach up to the middle of the vessel. Do not put more than
the recommended amount of sand in the vessel. Check that the centre tube has remained upright.
e) Remove the lid (19) or end cap from the top opening.
4. Install the valve on the filtration unit:
a) Clean the vessel flange. Insert the seal (9) into the groove in the vessel flange, smear the gasket lightly
with grease. Mount the valve (1) on the vessel flange and turn them so that the valve hole marked “CERP”
(P) faces the pump.
b) Put the clamp (6) on the flange-valve joint. Make sure the clamp sits properly all around the joint and then
tighten it with the pair of bolts (7) and nuts (8). Tighten both threaded joints symmetrically.
c) Screw the pressure gauge (4) together with it´s gasket (5) into the hole on the side of the valve. Tighten
the pressure gauge carefully by hand, without forcing it.
5. Connect the pump discharge to the valve opening marked “CERP” (P); connect the return nozzle that
sends water back into the swimming pool to the valve opening marked “BAZEN” (R) and connect the
pump suction end (S) with the swimming pool skimmer. Connect the waste pipeline to the valve opening
marked “ODPAD” (W) by means of the waste set (20). See Figures 2 and 3. Use the gaskets coated with
appropriate grease and the cup nuts to connect the hose adaptors to the valve.
GB
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