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7
Maintenance and cleaning
W A R N I N G
Possible death or severe injury from hazardous electrical voltage!
• Prior to reaching into the water, isolate (switch off and disconnect) all units/devices used in the wa-
ter.
• Isolate the device (disconnect from the power supply) before carrying out any work on it.
• Do not use aggressive cleaning agents or chemical solutions as they could attack the housing or impair the
function of the unit.
• Recommended cleaning agent for removing stubborn limescale deposits:
– Pump cleaning agent PumpClean from OASE.
– Vinegar- and chlorine-free household cleaning agent.
• After cleaning, thoroughly rinse all parts in clean water.
7.1
Regular cleaning work
• Empty the debris tray:
– The cleaning cycle is dependent on the degree of soiling of the pond.
– Remove the debris tray. (→ Hinging the screen holder up/down)
• Clean the ScreenMatic screen:
– If the ScreenMatic screen becomes clogged, clean the ScreenMatic screen downstream of the water dis-
tributor using the brush. For this, manually activate the SceenMatic screen. (→ Manual cleaning)
– Carry out intensive cleaning with the pump cleaning agent PumpClean from OASE:
(→ Cleaning/replacing the ScreenMatic screen)
7.2
Cleaning foam filters
• It is necessary to clean the foam filters as soon as the water exceeds the 100% mark on the separating plate.
• Do not use any chemical cleaning agents as they would kill the filter bacteria.
Prerequisite:
• The filter pump is switched off.
• The container is open. (→ Opening the container)
• The screen holder is hinged up. (→ Hinging the screen holder up/down)
• BioTec ScreenMatic
moved. (→ Cleaning/replacing the substrate tubes)
• The water level in the container has lowered to the height of the outlet or below.
How to proceed:
O, P
BioTec ScreenMatic
1. Insert the plug into the outlet from the inside to close off the outlet.
– Remove the separating plate to facilitate access if applicable.
2. Switch on the filter pump until the foam filters are covered with water, then switch off the filter pump.
3. Compress all foam filters several times with the foam cleaning device.
4. Allow the dirty water to drain away.
– Open the dirt outlet slide valve and close it again when the container is empty.
5. Repeat steps 2 ... 4 as required.
6. Rinse the container with clear water to remove any loosened dirt particles. To do this, first carry out step 2,
then step 4.
7. Remove the plug from the inside of the outlet.
8. Close the dirt outlet slide valve.
9. Hinge down the screen holder (→ Hinging the screen holder up/down), insert the debris tray and switch on
the filter pump.
2
24000: Separating plate has been pulled out and the substrate tubes have been re-
2
18000/24000:
- EN -
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