JULABO FLW20006 Recirculating Coolers - Manual (Page 27)

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11. Cleaning / repairing the unit
Caution:
Always turn off the unit and disconnect the mains cable from the power source before
cleaning the unit.
Prevent humidity from entering into the circulator.
Electrical connections and any other work must be performed by qualified personnel
only.
Notice:
Risk of hand injuries when mounting the venting grid.
Maintaining the cooling performance
Air cooled models = FL
To maintain the full cooling performance, clean the condenser
from time to time.
 Switch off the unit, disconnect mains power cable.
 Hold the venting grid, pull out and remove.
 Clean the ribbed condenser with a vacuum cleaner.
 Replace the venting grid.
 Switch on the unit.
The following service procedures are to be carried out only by
qualified service personnel.
In order to maintain a good condition of the cooling compressor,
the dirt pan in the cooling water inlet should be cleaned in
regular intervals.
 Switch the unit off, disconnect the power plug.
 Interrupt the cooling water inlet.
 Loosen the screws at the back and remove right side panel.
 Dirt collects behind the lock screw of the dirt trap. Remove
lock screw.
 Remove the dirt by opening the water input for a short
moment (rinse).
 Return and fasten lock screw to dirt trap.
 Open cooling water inlet and check screw coupling for leak
tightness.
 Replace right side panel.
 The unit is ready to operate again.