MAINTENANCE AND CLEANING
W A R N I N G
Risk of injury due to hot water!
Burns to parts of the body.
• Water remaining in the pump may be
heated to a high temperature in the
event of defective electronics or lack of
water supply on the suction side.
• Isolate the unit (disconnect from the
power supply) before carrying out any
work on it.
• Disconnect the pump from the mains at
the main circuit breaker or pull the
power plug, and allow the water to cool
down.
N O T E
Recommendation on regular cleaning:
• Clean the unit as required but at least
twice per year.
• Do not use aggressive cleaning agents
or chemical solutions as they could at-
tack the housing or impair the function
of the unit.
• After cleaning, thoroughly rinse all
parts in clean water.
Cleanfilter
How to proceed:
E
1. Switch off the pump.
2. Disconnect the power plug.
3. Close all shut-off devices on the suc-
tion side if applicable.
4. Unscrew the cover of the filter chamber
and remove.
5. Pull out the filter cartridge.
6. Clean the filter cartridge and filter cover
under running water using a brush.
7. Reassemble the filter in the reverse
order.
– Ensure that the filter cover seal is in
place and undamaged. Otherwise
replace it.
– Ensure that the filter cover is correct-
ly screwed on.
8. Reassemble the unit in the reverse
order.
Cleaning/replacing the flow wheel
How to proceed:
F
1. Switch off the pump
2. Disconnect the power plug.
3. Depressurise the pressure line by
opening the water withdrawal points.
4. Unscrew the pressure line and sleeve
on the pressure side connection.
5. Pull out the flow wheel.
– If the flow wheel does not move, use
needle-nosed pliers.
6. Clean the flow wheel with a brush
under clear water.
– If the flow wheel is worn or damaged,
replace it.
7. Reassemble the unit in the reverse
order.
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