Oase Bitron C UVC Gebrauchsanleitung Seite 20

- GB -
Remedy of faults
Malfunction
Water remains cloudy (green water).
No or insufficient water flow at the outlets
UVC lamp is not lit.
Maintenance and cleaning
Attention! Dangerous electrical voltage.
Possible consequences: Death or severe injury.
Protective measures:
• Electrical units and installations with a rated voltage of U > 12 V AC or U >30 V DC located in the water:
Isolate the units and installations (switch off and disconnect from the power supply) before reaching into the
water.
• Isolate the unit before starting any work.
• Secure the unit to prevent unintentional switching on.
Attention! Breakable glass.
Possible consequences: Injury to your hands caused by cuts.
Protective measures: Handle the quartz glass and UVC lamp with care.
Dismantling the unit head
1.
How to proceed:
0.
K
1. Undo the locking screw in the safety engagement catch.
− Rotational direction "Lock open" symbol.
2. Press the safety engagement catch, turn the unit head counterclockwise as far as the stop and carefully pull it out of
the casing.
• Thoroughly clean the inner and outer surfaces of the casing.
Note!
For safety reasons the UVC lamp can only be switched on when the unit head has been correctly fitted into
the casing.
20
Cause
The water is extremely soiled.
Insufficient delivery rate of the pump
The quartz glass is soiled.
The quartz glass is scratched.
The cleaning rotor is not turning.
− Check the inspection window: An alternating
light/dark blue glow indicates that the clea-
ning rotor is rotating.
The UVC lamp capacity is exhausted.
Incorrect bypass setting
Inlet nozzle clogged
Outlets clogged
Power plug not connected
UVC lamp defective
Connection defective
Bitron C 55W/72W/110W: The unit has swit-
ched off due to overheating (safety switch-off).
Remedy
− Remove algae and leaves from the pond.
− Change the water.
Check the installation.
Clean the quartz glass.
− Replace the quartz glass (→ Cleaning the
quartz glass)
− If the profile is worn, replace the cleaning
rotor (→ Cleaning the quartz glass)
− Clean the cleaning rotor and quartz glass
(→ Cleaning the quartz glass)
− If the delivery rate of the pump is < 10000 l/h,
use an inlet nozzle for driving the cleaning
rotor.
− If the profile is worn, replace the cleaning
rotor (→ Cleaning the quartz glass)
Replace the UVC lamp after 8000 operating
hours.
Correct the setting, observe the pump capacity.
Clean the inlet nozzle.
Clean the casing (→ Cleaning and maintenan-
ce)
Connect the power plug.
Replace the UVC lamp.
Check the electrical connection.
Allow it to cool down; the unit will switch back
on automatically.