9
5.3. Filling / draining
Filling
Take care that no liquid enters the interior of the circulator.
• Recommended maximum filling level with water as bath liquid:
25 mm below the tank rim
• Recommended maximum filling level with bath oils:
40 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.
FS18
• Recommended maximum filling level is 5 mm.
Note:
When switching the circulator on, the bath liquid may lie below the
required minimum level due to liquid pumped into the external
system.
ATTENTION: The volume of bath oils will increase due to thermal expansion
when the bath temperature rises.
Exercise CAUTION when emptying hot bath liquids!
19
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 and hold it into a
pail.
• Unscrew the drain tap (19) and empty the unit completely.
• Tighten the drain tap.
Store and dispose the used bath liquid according to the laws
for environmental protection.
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