JULABO FLW4006 Recirculating Coolers - Manual (Page 32)

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12. 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.
Service and repair work may be performed only by authorized electricians.
Notice:
Risk of injury for hands when mounting the venting grid.
Maintaining the cooling performance
RS232 ALARM
°C
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.
IN
OUT
Water cooled models = FLW
In order to maintain a good condition of the cooling compressor,
the sieve in the cooling water input should be cleaned in regular
intervals.
 Switch the unit off, disconnect the power plug.
 Interrupt the cooling water input.
 Disconnect the tubing from the nozzle „IN“ and take out the
dirty sieve.
 Clean the sieve.
 Put in the sieve and reconnect the tubing.
 Open the cooling water input.
 Take care the tubing connection is not leaking.
 The unit is ready to operate again.