Initial Operation; Opening And Closing The Lid; Opening The Lid; Closing The Lid - Hettich MIKRO 200 2400 Mode D'emploi

EN
8

Initial operation

•
For devices weighing more than 18 kg, an emergency shut-down switch for disconnecting the device from the
mains must be installed in the indoor installation according to the laboratory device standard EN 61010-2-20 in
case of malfunction.
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. During set-up, the required safety margin
of 300 mm around the centrifuge is to be kept according to IEC 61010-2-020.
When the centrifuge is running, according to IEC 61010-2-020, no persons, dangerous substances or
objects may be within the safety margin of 300 mm around the centrifuge.
•
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 specification".
•
Turn on the mains switch. Switch position "Ι".
The machine type and program version will be displayed and the LEDs light up. After 8 seconds
OPEN OEFFNEN will be displayed on centrifuges with cooling and the left LED in the key
flash. On centrifuges without cooling the cover will open automatically and the last used centrifuge data will be
displayed.
•
Open the cover on centrifuges with cooling.
The last used centrifuge data will be displayed.
•
Remove the transportation safety device in the centrifuge, see sheet "Transportation safety device".
9

Opening and closing the lid

9.1

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 button
STOP / OPEN
9.2

Closing the lid

Do not put your fingers between lid and housing.
Do not bang the lid shut.
•
Place the lid and lightly press down the front edge of the lid. The locking action is effected by motor. The left LED
in the button
STOP / OPEN
10

Installation and removal of the rotor

•
Clean the motor shaft (C) and the rotor drilling (A), and lightly grease the motor shaft
B
afterwards. Dirt particles between the motor shaft and the rotor hinder a perfect seating
of the rotor and cause an irregular operation.
•
Place the rotor vertically on the motor shaft. The motor shaft dog (D) has to fit in the
rotor slot (B). The alignment of the groove is labelled on the rotor.
A
•
Tighten the rotor tension nut with the supplied wrench by turning in a clockwise
C
D
direction.
•
Check the rotor for firm seating.
•
Loosening the rotor: Loosen the tension nut by turning in a counter clockwise direction,
and turning until the working point for lifting. After passing the working point for lifting
the rotor is loosened from the motor shaft cone. Turn the tension nut until the rotor is
able to be lifted from the motor shaft.
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The lid opens automatically and the left LED in the button
lights up.
Check the firm seating of the rotor on a weekly basis.
will
STOP / OPEN
go off.
STOP / OPEN