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Isolate the units and installations (switch off and disconnect from the power supply) before reaching into
the water.
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Isolate the unit before starting any work.
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Secure the unit to prevent unintentional switching on.
Adhere to the safety information given above! Check and clean the water outlet into the pond at regular intervals. We
recommend to clean the foam filters at regular intervals. In the event of cloudy or dirty water emerging or the flow vol-
ume decreasing, carry out quick cleaning first. Should this prove insufficient, clean the entire unit.
Quick cleaning (D)
Remove hose from the filter outlet by turning off the union nut and fit a dirt draining hose.
Switch filter pump on again, vigorously pull the cleaning handle and perform a pumping action several times. In this
manner, the foam filters are mechanically cleaned until the draining water is clear.
Full cleaning (E)
If necessary, wash out or replace the filters. Do not use chemical cleaning agents. Switch off the filter pump, re- move
all hoses by turning off the union nuts, open the closing clamps of the filter container (E1), lift off the cover includ- ing
the foam filter package (E2) and place on a clean support head down, so that the foam filters including the press ring
point upward. Unscrew the pressure ring from the pulling rod by undoing the nut, remove foam filters, and clean under
running water by vigorously pressing together. Jet clean the bioballs, lava stones, container, cover with meshed tube
and press ring (E3). Push on foam filters such that the pulling rod rests in the recess of the foam filters. Fit the pressing
ring with the rod guidance pointing down, and screw fit to the pulling rod using the nut. Ensure that the meshed tube
fits completely in the ring diameter. Remove cover sealing ring from the container and check for damage, clean or
replace, and fit on the top container edge, press cover including the foam filter package onto the container, engage
closing clamps (E4). Fit the hose to the filter inlet, start up filter pump, rinse the pressure filter, until the emerging water
is clear. Switch off filter pump, remove dirt from drain hose, screw on drain hose again, restart the filter pump first, then
connect the power plug of the UVC pre-clarifying unit.
Cleaning the quartz glass / Replacing the UVC lamp
Attention! Ultra-violet radiation.
Possible consequences:
Eye or skin injury from burns.
Protective measures:
•
Never operate the UVC lamp outside its housing.
•
Never operate the UVC lamp in a housing that is defective.
Attention!
Breakable glass.
Possible consequences:
Injury to your hands caused by cuts.
Protective measures:
Handle the quartz glass and UVC lamp with care.
Note!
For safety reasons the UVC lamp can only be switched on when the unit head has been correctly fitted into
the casing.
Opening the UCV clarifying unit (F)
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Remove the cover from the UVC clarifying unit.
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Turn the UVC clarifying unit counter-clockwise up against the stop (bayonet closure), then carefully pull out of the
filter cover including the O ring (1).
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Loosen the self-tapping screw (7) until the the screw tip is sunk in the housing of the clamping screw (2).
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Unscrew the clamping screw counter-clockwise (3).
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Remove the quartz glass including the O ring towards the front with a slight turning movement (4).
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Check the quartz glass and the O ring for damage and replace, if necessary.
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Clean the quartz glass outer face with a moist cloth.
Replacing the UVC lamp (F)
Important:
Only use lamps the identification and capacity data of which correspond to the information on the type
plate.
For an optimum filter performance, we recommend to replace the UVC lamp after approx. 8,000 operating hours.
•
Pull out and replace the UVC lamp.
Assembly of
the UVC clarifying unit (F)
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Insert the quartz glass including the O ring against the stop in the unit head (6).
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Press the O ring into the gap between unit head and quartz glass.
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Tighten the clamping screw clockwise up to the stop (7).
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Tighten the self-tapping screw (8).
