Oase ProfiClear Premium Compact EGC, Operating Instructions Manual

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3.3 Gravity fed system

B
The filter system is completely buried (filter pit). The inlet opening is located beneath the water level of the
pond. The dirty pond water enters the drum filter unit via bottom drains or skimmers and then flows into
the downstream pump chamber. According to the principle of communicating pipes (hydrostatic pressure),
the water level balances out in the containers to the level of the pond. A pump in the pump chamber
pumps the clean water via a pipe back into the pond.
Advantages of the gravity fed system:
► Excellent transport and thus effective removal of suspended particles using the principle of gravity
► Energy efficient due to negligible height differences and low frictional losses
► Can be unobtrusively integrated in a water garden
► UVC clarifiers can be connected in series downstream and are subject to less soiling.
► Perfectly tailored to the AquaMax Gravity Eco filter pump from OASE
3.4 Unit configuration
 E Pump fed  F Gravity fed Description
1 1 Container cover
2 2 Signal box with level detection device (3) and temperature probe (7)

The signal box is connected to the control system (30, 32)
3 3 Level detection device

Signals the water level in the filter system
4 4 Rollers for guiding the filter drum
— 5 Pump status detection

Signals a pump failure
6 6 Filter drum with six screen elements

screen elements for coarse dirt down to 80 µm in size (also optionally
available with 60 µm)
7 7 Temperature probe

monitors the water temperature
8 8 Air hose 9 mm
9 9 Hel-X 13 biomedia in Moving Bed filter chamber
10 10 Outlet DN 110
11 11 Meshed tube

Prevents theHel-X biomedia from being flushed out
12 12 Aerator rod (two provided)
13 13 Rinsing pump for supplying the rinsing device (24)
14 14 Dirt outlet DN 75 with slide valve
15 — 2 × adapters, 2 × 30° inlet bend with union nut for connection of the UVC
clarifier Bitron to 38 mm (1½ ") connections (16)
16 — Connection set for connecting filter pumps, 1 × 38 mm (1½ ") hose connector,
1 × 50 mm (2 ") hose connector, 1 × union nut for hose connector, 1 × 40 …
60 mm hose clip, 1 × 90° (2 ") connection bend, 1 × union nut for connection
bend, 1 × cover cap (with 1 × non-return valve, 1 × flat seal 60 mm × 47 mm
× 3 mm),
1 × flat seal (2 ") 56 mm × 43 mm × 3 mm
17 — 2 × 38 mm (1½ ") connection, closed with sealing plugs
Optional connection for UVC clarifier Bitron
18 — 1 x 50 mm (2 ") connection for connecting the filter pumps
— 19 Inlet DN 110
— 20 DN 110 inlet with cover cap, for optional use
21 21 DN 110 dirt outlet for coarse dirt
22 22 Drum motor for filter drum

the motor is connected to the control system (30, 31)
23 23 Dirt channel

collects the coarse dirt and rinsing water from the screen elements (6)
24 24 Rinsing device

sprays water at high pressure onto the screen elements (6) to rinse off the
coarse dirt
25 25 Grease for the drum seal
— 26 2 × ground stakes for installing the control system