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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 water.
• Isolate the device (disconnect from the power supply) before carrying out any work on it.
Cleaning the device
Recommendation regarding cleaning:
• 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.
Dry run/blockage protection
The unit switches off automatically if it runs without water or if the impeller unit is blocked.
– Check that the unit is below the water line and that it does not run dry or take in air during operation.
– If the impeller unit is blocked, pull the power plug first and ensure that the unit cannot be switched on unintention-
ally. Turn the contact protection counter-clockwise or unscrew the screw-connection of the suction line. Over-
come the cause of the blockage through the pump opening. Refit the contact protection or retighten the screw-
connection. Restore the power connection and put the unit into operation.
– This switch-off function is reset by pulling the power plug.
Replacing the impeller unit
Disconnect the power supply first, then secure the unit to prevent unintentional switching on. Turn the contact protec-
tion counter-clockwise or unscrew the screw-connection of the suction line. Undo the 4 screws from the motor block
which fix the pump housing. Pull the impeller unit out of the motor block by overcoming a slight resistance, then replace
it with a new impeller unit. Refit and securely tighten the pump housing. Refit the contact protection or retighten the
screw-connection. Restore the power connection and put the unit into operation. Only use original OASE spare parts.
Storage/winter protection
The unit is frost-proof to -20 °C. If lower temperatures are expected, remove the unit and place it in storage.
• Thoroughly clean the unit.
• Check the unit for damage and replace damaged components.
• Store the pump submerged and in a frost-free environment.
• Protect electrical connections from moisture and dirt.
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