8
Maintenance and cleaning
Attention! Dangerous electrical voltage.
Possible consequences: Death or severe injury.
Protective measures: Isolate the unit prior to reaching into the water and carrying out any work on the
unit. Secure the unit from being switched on inadvertantly.
The entire filter system only needs to be taken out of operation for cleaning and maintenance if it is
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extremely soiled.
Do not use any chemical cleaning agents as they would kill the filter bacteria.
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8.1
Cleaning the container
How to proceed:
7.
1. Switch off all filter pumps.
2. Switch off all other electrical units of the filter system (e.g. UVC clarifying unit).
3. Only applies to gravity fed systems: Close the slide valves (supply and return) of the filters
connected in series to prevent further water flow.
4. Open the slide valve for the DN 75 dirt outlet at the bottom of the container and dispose of the soiled
water in a permissible way.
5. Carry out cleaning measures.
6. Close the slide valve (dirt outlet).
7. Start up the filter system again (→ Start-up).
8.2
Maintenance of the filter media
Please refer to the manufacturer's specifications for maintenance of the filter media. Otherwise it is
sufficient to occasionally remove and rinse the strainer baskets.
9
Storage/Over-wintering
The unit is protected from frost:
The unit can be operated as long as the water temperature does not go below +4 °C.
The unit is not protected from frost:
Take the unit out of operation at water temperatures below +8° C or, at the latest, when freezing
temperatures are to be expected.
Drain the unit as far as possible, clean thoroughly and check for damage.
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Empty all hoses, pipes and connections as far as possible.
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Leave the slide valves open.
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Cover the filter container to prevent the penetration of rain water.
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Protect pipes and slide valves that are in contact with water from frost.
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10
Disposal
Support us in our endeavour to keep our environment intact, and adhere to the following disposal
information!
Dispose of the unit in accordance with the national legal regulations.
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