Commissioning (operation)
44
20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
ð
Observe the admissible pressure at the gas ballast connec-
tion, max. 1.2 bar/900 Torr abs.
If the gas volume in the vacuum pump is low, a gas ballast
can be eliminated in these cases to increase the solvent re-
covery rate.
5.3 Shutdown (switch off)
Shut down the pumping unit
Switch off pumping
unit
1. Stop the process and let the pumping unit run on for about
30 minutes, with open gas ballast or open inlet (IN).
R
Condensate and media residues will be flushed out of
the vacuum pump.
NOTICE!
Prevent deposits and rinse condensate out of the
pump.
2. Switch off rocker switch
(a)
– switch position 0.
R
Pumping unit switched off.
3. Unplug the power plug.
4. Disconnect the pumping unit from the apparatus.
5. Empty the glass flasks.
6. Check the pumping unit for dirt and damage.
5.4 Storage
Store the pumping unit
1. Clean the pumping unit if required.
