Initial Operation; Opening And Closing The Lid; Opening The Lid; Closing The Lid - Hettich EBA 21 Mode D'emploi

6

Initial operation

•
According to the laboratory instrument standards EN 61010-2-020 an emergency switch to separate power supply
in the event of a failure must be installed in the building electrical system.
This switch has to be placed remote from the centrifuge, prefered outside of the room in which the centrifuge is
installed or near by the exit of this room.
•
Remove the transportation safety device from the bottom of the housing, see sheet "Transportation safety device"
•
Position the centrifuge in a stable and level manner in a suitable place. When setting up the equipment, care
should be taken to provide the required safety area of 300 mm around the centrifuge in accordance with IEC
61010-1.
No persons and / or dangerous materials may be located within the safety zone when the centrifuge is
running.
•
Do not place any object in front of the ventiduct.
Keep a ventilation area of 300 mm around the ventiduct.
•
Check whether the mains voltage tallies with the statement on the type plate.
•
Connect the centrifuge with the connection cable to a standard mains socket. For connection ratings refer to
Chapter "Appendix, Technical data/Technical specification".
•
Turn on the mains switch. Switch position "Ι".
The machine type and program version will be displayed and the LEDs light up.
displayed after 8 seconds. The LED
•
Open the lid.
The last used centrifuge data will be displayed.
•
Remove the transportation safety device in the centrifuge, see sheet "Transportation safety device".
7

Opening and closing the lid

7.1

Opening the lid

•
Rotate the turning handle on the front panel to the left. The
•
Open the lid.
The lid can only be opened when the centrifuge is switched on and the rotor is at rest. If it cannot be
opened under these circumstances, see the section on "Emergency release".
7.2

Closing the lid

•
Place the lid and lightly press down the front edge of the lid.
•
Turn the handle on the front panel to the right .The
Do not bang the lid shut.
8

Installation and removal of the rotor

•
Clean the motor shaft (B) and the collet chuck of the rotor (A) and then lightly grease
the motor shaft. Particles of dirt between the motor shaft and the collet chuck prevent
perfect positioning of the rotor and cause erratic running.
•
Position the rotor vertically on the motor shaft and press down as far as the stop. The
rotor must audibly engage in the collet chuck.
•
Tighten the rotor tension nut with the supplied wrench by turning in a clockwise
A
direction.
B
•
Check the rotor for firm seating.
•
Loosening the rotor: Loosen the tensioning nut by turning anti-clockwise. Turn the
tensioning nut until the rotor is able to be lifted from the motor shaft.
lights up.
LED will now go off.
LED will come on.
EN
OPEN OEFFNEN will be
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