Setting The Brake Step; Setting The Centrifuging Radius; Centrifugation - Hettich ROTOFIX 32 A Bedienungsanleitung

14

Setting the brake step


Switch off the mains switch.

Keep the key beneath the speed indicator and the key

Switch on the mains switch and release the keys again.
The speed indicator shows the machine version and the time indicator shows the set brake step: e.g.:
If the machine version and brake step are not displayed, press the
displayed.
The machine version is set by the manufacturer and cannot be changed.

Set the desired brake step with the keys
Step 1 = short run-down time, Step 0 = long run-down time.
For run-down times, see chapter "Anhang/Appendix, Rotoren und Zubehör/Rotors and accessories".

Press the key to save the setting.
STOP
15

Setting the centrifuging radius

The centrifuging radius must be entered in centimeters.

Switch off the mains switch.

Keep the key beneath the speed indicator and the key

Switch on the mains switch and release the keys again.

Press the key beneath the speed indicator until the following display appears:
The set centrifuging radius is displayed in the speed indicator.

Set the desired centrifuging radius with the keys
For centrifuging radius, see chapter "Anhang/Appendix, Rotoren und Zubehör/Rotors and accessories".

Press the key to save the setting.
STOP
16

Centrifugation

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.
If the permissible weight difference is exceeded within the rotor loading, the drive switches off during the run-
up time, and error -3- is displayed (see chapter "Faults").
The centrifugation run can be interrupted at any time by pressing the key
The time and speed can be changed during the centrifugation run, with the keys
If the key or is kept pressed, the value changes with increasing speed.
After a centrifugation run, the display flashes until the cover is opened or a key is pressed.
If the symbol " " (lid closed) and " " (lid open) flashes alternately in the rotation indicator
centrifuge can only be continued after opening the lid.
If rot xx is displayed, no centrifugation run has taken place because the rotor has been changed, see chapter
"Rotor Identification".

Switch on the mains switch (switch position "").

Load the rotor and close the centrifuge cover.
IMPULS START
RCF STOP
beneath the time indicator.
IMPULS START
RCF STOP
beneath the time indicator.
pressed simultaneously.
IMPULS
IMPULS START
RCF STOP
key under the speed indicator until they are
pressed simultaneously.
IMPULS
.
STOP
EN
.
, operation of the
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