JULABO F34-EH Refrigerated and Heating Circulators - Manual (Page 20)

Preparations
20
5.3. Filling / Draining
Notice:
 Pay attention to the thermal expansion of bath oil during heating to avoid
overflowing of the liquid.
 Do not drain the bath fluid while it is hot!
Check the temperature of the bath fluid prior to draining (by switching the
unit on for a short moment, for example).
 Store and dispose the used bath fluid according to the laws for
environmental protection.
12 11
Filling
Take care that no liquid enters the interior of the circulator.

Recommended maximum filling level with water as bath fluid:
20 mm below the tank rim

Recommended maximum filling level with bath oils:
30 mm below the tank rim

After filling, immerse the samples in the bath or place the lid on
the bath, in case the opening is not to be used.
Draining
 Turn off the circulator and cooling machine.
 Hold the venting grid, pull out and remove.
 Slide a short piece of tube onto the drain port (11) and hold it
into a pail.
 Unscrew the drain tap (12) and empty the unit completely.
 Tighten the drain tap.