Initial Operation; Opening And Closing The Lid; Opening The Lid; Closing The Lid - Hettich EBA 20 Bedienungsanleitung

7

Initial operation


Position the centrifuge in a stable and level manner in a suitable place. During set-up, the required safety
margin of 300 mm around the centrifuge is to be kept according to EN / IEC 61010-2-020.
When the centrifuge is running, according to EN / IEC 61010-2-020, no persons, dangerous
substances or objects may be within the safety margin of 300 mm around the centrifuge.
Substances can be discharged through the ventilation opening on the rear side of the
centrifuge. The device is to be placed in such a way that the air stream is not directed towards
people.

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 "Technical specifications".

Turn on the mains switch. Switch position "".
The last used centrifuge data will be displayed.

Open the lid.

Remove the transportation safety device in the centrifuge, see sheet "Transportation safety device".
8

Opening and closing the lid

8.1

Opening 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".
 Press the key
and open the lid. The symbol " " (lid open) illuminates in the rotation indicator
8.2

Closing the lid

Do not bang the lid shut.
 Place the lid and press the lid grip down slightly. The symbol " " (lid closed) illuminates in the rotation indicator
.
9

Loading the rotor

Standard centrifuge containers of glass will not stand RCF values exceeding 4000 (DIN 58970, pg. 2).

Check the rotor for firm seating.

The rotors must be loaded symmetrically. For authorised combinations see Chapter "Anhang/Appendix, Rotoren
und Zubehör/Rotors and accessories".

Always fill the centrifuge containers outside of the centrifuge.

The maximum filling quantity for the centrifuge containers specified by the manufacturer must not be exceeded.

In order to maintain the weight differences within the centrifuge container as marginal as possible, a consistent
fill level in the containers is to be heeded.

The weight of the permissible filling quantity is specified on each rotor. This weight may not be exceeded.
EN
.
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