JULABO Magnum 91 Temperature System - Manual (Page 20)

Safety notes for the user
20
 Pay attention to the thermal expansion of bath oil during heating to avoid
overflowing of the fluid.
 Prevent water from penetrating into the hot bath oil.
 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).
 Use suitable connecting tubing.
 Avoid sharp bends in the tubing, and maintain a sufficient distance from
surrounding walls.
 Make sure that the tubing is securely attached.
 Regularly check the tubing for material defects (e.g. for cracks).
 Never operate damaged or leaking equipment.
 Always turn off the unit and disconnect the mains cable from the power source
before performing any service or maintenance procedures, or before moving the
unit.
 Always turn off the unit and disconnect the mains cable from the power source
before cleaning the unit.
 Always empty the bath before moving the unit.
 Transport the unit with care.
 Sudden jolts or drops may cause damages in the interior of the unit.
 Observe all warning labels.
 Never remove warning labels.
 Never operate equipment with damaged mains power cables.
 Repairs are to be carried out only by qualified service personnel.
 Some parts of the unit and the pump connectors may become extremely warm or cold
during continuous operation. Therefore, exercise particular caution when touching these
parts.

Notice:
Check the safety installations at least twice a year!
 Excess temperature protection according to IEC 61010-2-010
With a screw driver turn back the adjustable excess temperature protection until the shut-
down point (actual temperature).
 Low level protection
To check the function of the float of this unit it cannot be operated manually.
The 5-graded level display should therefore be observed whenver refilling.
If the bath liquid thickens or cracks, the instrument should be cleaned and checked by
qualified personnel.