Switching The Centrifuge On And Off - Hettich Rotina 420 R Mode D'emploi

5.4

Switching the centrifuge on and off.

Switching the centrifuge on
AB4701en
NOTICE
Danger due to condensation in the event of temperature
differences
Moisture may damage electrical components.
−
Ensure that all surfaces are dry prior to commissioning
or maintenance.
−
If the temperature changes, wait until the device or com-
ponent has become acclimatised.
−
Prevent moisture from penetrating into sensitive compo-
nents.
−
If moisture forms, switch off the device immediately and
allow it to dry properly.
Personnel:
■
Trained user
1. A type B residual current circuit breaker must be used if the device
is additionally protected with a residual current circuit breaker in the
building installation.
When using a different type, the residual current circuit breaker may
either not switch off the unit if there is a fault on the unit, or it may
switch off the unit even though there is no fault on the unit.
2. Centrifuge with serial interface:
Connect the centrifuge's RS232 interface to the PC using an RS232
connection cable.
3. Centrifuge with PE connector:
If necessary, connect the PE connector on the back of the device to
an additional medical potential equalisation system.
4. For the centrifuge, order no. 4706-20: connect the nitrogen supply
according to the enclosed instruction sheet AH4706-20XX.
5. Check whether the mains voltage and mains frequency match the
specification on the rating plate.
6. Connect the device to a standard mains socket using the mains
cable.
Personnel:
■
Trained user
Rev.: 19 / 02.2025
Commissioning
25 / 64