Neptun Classic NCTF-O 8000 Notice D'emploi page 16

- GB -
- GB -
Opening the UCV clarifying unit (E)
 Remove the cover from the UVC clarifying unit.
 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).
 Loosen the self-tapping screw (7) until the the screw tip is sunk in the housing of the clamping screw (2).
 Unscrew the clamping screw counter-clockwise (3).
 Remove the quartz glass including the O ring towards the front with a slight turning movement (4).
 Check the quartz glass and the O ring for damage and replace, if necessary.
 Clean the quartz glass outer face with a moist cloth.
Replacing the UVC lamp (E)
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 (E)
 Insert the quartz glass including the O ring against the stop in the unit head (6).
 Press the O ring into the gap between unit head and quartz glass.
 Tighten the clamping screw clockwise up to the stop (7).
 Tighten the self-tapping screw (8).
 Check the O-Ring at the unit head for damage and replace, if necessary (9).
 Carefully push the unit head into the housing while applying slight pressure. Ensure that the tenons at the housing
engage in the grooves of the bayonet closure.
 Turn the unit head clockwise against the stop while applying slight pressure.
 Refit the cover for the UVC pre-clarifying unit.
Cleaning the filter pump (F)
Take pump out of the water, unscrew the stepped hose connection including the O ring from the connection thread,
actuate the engagement hook of the filter housing, open the filter housing and remove the pump. Turn off the pump
housing, remove the impeller. Clean the pump housing, the impeller and the filter housing using clear water and a
brush. After cleaning, fit the unit in the reverse order.
Remedy of faults
Malfunction
The unit performance is not satisfactory
UVC lamp display is not lit
No water outlet from the pond inlet
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Cause
Unit has been in operation only for a short time
Water extremely soiled
Excessive fish and animal population
Foam filters soiled
Pump filter housing soiled
Impeller unit blocked
Quartz glass tube soiled
UVC lamp capacity exhausted
Power supply of UVC not connected
UVC lamp defective
Connection defective
UVC overheated
Pump power supply not connected
Pond inlet blocked
Remedy
The complete biological cleaning effect is only
achieved after several weeks
Remove algae and leaves from the pond, per-
form a partial water change
Guide value: approx. 60 cm fish length in 1 m³
pond water
Clean filters
Clean pump filter housing
Clean pump
Remove UVC and clean quartz glass
Replace the lamp after approx. 8000 operating
hours
Connect UVC power plug
Replacing the UVC lamp
Check electrical connection
UVC automatically switches on when cooled
down
Connect pump power supply
Clean pond inlet