Clean The Pump's Primary Screen; Storing The Filter Tank Over Winter - Behncke BUHNE 2 Betriebsanleitung

Filter tank BÜHNE² / Maintenance

7.3 Clean the pump's primary screen

The primary screen must be regularly checked for contamination.
Contamination significantly reduces the pump performance.
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Switch off filter system.
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Close the shut-off valves in the pressure and suction pipe.
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Select valve function "Closed".
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Open the primary screen lid and remove the primary screen.
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Remove coarse dirt from the screen.
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Clean the screen under running water with a brush.
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Reinsert the screen and close the lid. Make sure the lid sits correctly.
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Select valve function "Filter".
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Open the shut-off valves in the pressure and suction pipe.
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Switch on the system.
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Completely vent the filter tank at the vent valve.

7.4 Storing the filter tank over winter

To protect the filter tank and water-bearing components from frost, they must be emptied of water during
periods of frost.
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To do this, remove the drain plug (16).
Please note, a little water may drip out of the drain.
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Attach the supplied Gardena hose coupling. Seal it properly with Teflon tape.
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Place the hose into a sufficiently-sized floor drain and open the aeration and ventilation
valve.
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Reinstall the drain plug (16) properly.
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NOTE
The pump may be damaged!
Do not switch on the pump during cleaning!
CAUTION
Procedures on technical systems by non-experts may lead to injuries and
material damage.
NOTE
Over 1,000 litres of water can flow out of the tank here.