Changing the light tube
If the algae proliferate, it is necessary to check the correct the functioning of the UV-C lamp. You re -
cognise on the UV-indicator if the lamp lights at all. Change it every season.
CPF-180/CPF-250 CPF-2500-5000-10000-15000-20000-30000
Before changing the UV lamp disconnect the pump.
Release the 8>screws of the UV unit from the filter lid.
Carefully remove the UV lamp.
After the UV unit has cooled down and dried up, grab the base of the light tube (not the glass!)
with a soft cloth and pull it cautiously out of its socket.
Now the quartz glass inside which the light bulb is placed must be cleaned. For this purpose
the lime has to be dissolved under heating with appropriate agents (coffee machine or kettle
descaler like citric acid). After this rinse the quartz glass from residues remaining from the
cleaning agents.
After rinsing all parts are reassembled in reverse order. The pump and the device are connec-
ted again to the power supply.
The wear parts (filter materials, light tubes, quartz sleeves, seals) are usually available in
stock at WilTec Wildanger Technik GmbH – www.wiltec.de.
CPF-2500-5000-10000-15000-20000-30000
With this mode, you only have to loosen 4>screws to take off the UV unit.
WARNING:
For all maintenance work the UVC has to be disconnected from the power supply!
The filter can be put into operation only if the UVC is FULLY assembled!
Never tinker with the running UVC lamp!
The UVC must NOT be carried by the cable!
Always place the UVC outside the pond (not in the water)!
Remove the UVC by frosty weather!
© by WilTec Wildanger Technik GmbH Item 50105, 50123, 50977–50980, 50121, 51042–51044 Page 14
http://www.WilTec.de
http://www.aoyue.eu 04 2021-1
http://www.teichtip.de
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