Programming; Programme Input/Alteration; Programme Recall; Centrifugation - Hettich UNIVERSAL 320 Bedienungsanleitung

EN
15

Programming

15.1

Programme input/alteration

If no key is pressed for 8 seconds long after the selection or during the input of parameters, the previous
values will be shown in the display. The input of parameter then has to be executed again.

Select the RPM or RCF display with the key

Select the desired parameters using the button
In order to set continuous operation, the parameters t/min and t/sec must be set to zero with the
Continual running is represented in the display by the following symbol, "".

The parameter PROG STO can be selected using the button
the knob .

Press the button
START / IMPULS
displayed briefly as confirmation.
If the key
START / IMPULS
stored in the program place #.
The previous data in the program position is overwritten during saving.
15.2

Programme recall


Select the parameter PROG RCL using the button
.

Press the button
START / IMPULS

The parameters can be checked by pressing the button
To leave the parameter display press the button
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 within the rotor loading has been exceeded, the drive shuts down during
the start-up, the unbalance display lights up, and IMBALANCE is displayed.
A centrifugation run can be stopped at any time by pushing the key
All parameters can be selected and altered during the centrifugation run (see Chapter "Entering centrifugation
parameter").
You can switch-over at any time between the RPM and RCF display with the key
centrifugation radius is necessary if you are working with the RCF display.
If OPEN OEFFNEN is displayed, a further operation of the centrifuge is only possible after opening the lid
once.
If R xx n-max xxxxx is displayed, then no centrifugation run has taken place as the rotor was changed
beforehand, refer to Chapter " Rotor Identification ".
 Turn on the mains switch. Switch position .

Load the rotor and close the centrifuge lid.
16.1

Centrifugation with pre-set time


Adjusting time or recall a programme with pre-set time (see Chapter "Programming").

Press the key
START / IMPULS

After expiration of the time or with truncation of the centrifugation run by pushing the key
down is effected with the selected brake step. The brake step is displayed.
During the centrifugation run the rotational speed of the rotor or the subsequently resulting RCF value, the sample
temperature (only in centrifuges with cooling) and the remaining time will be displayed.
42/121
. RCF values are displayed in > <.
RCF
SELECT
in order to store the setting on the desired program position.  ok  is
is pressed without the parameter PROG STO being activated, the settings are always
SELECT
. The centrifugation data of the selected program position is displayed.
OPEN / STOP
. The LED in the button
START / IMPULS
and set using the knob .
and the desired program position set using
SELECT
and set the desired program position using the knob
.
SELECT
or press no button for a period of 8 seconds.
OPEN / STOP
lights up for as long as the rotor turns.
knob.
.
. The input of the
RCF
, the run-
OPEN / STOP