User guide

6 Operation
29 V-850/855 Operation Manual, Version E
6.4 Starting a distillation
6.4.1 Quick start of manual distillation
To start a distillation, proceed as follows:
• Switch on the vacuum controller using the on/off switch on the right hand-side.
• If the instrument is not in the Manual mode, change to this mode.
• Press the menu button. When you are working with a Vacuum Pump V-700/710, the following
screen appears:
When you are not working with a Vacuum Pump V-700/710, the following screen appears:
The hysteresis is needed for a precise pres-
sure regulation by means of the vacuum control
valve.
With a connected F-Series chiller, you can also
change the cooling medium temperature in this
menu.
Use the selection knob of the vacuum controller to define the pressure setpoint and the hysteresis, if
applicable, for your evaporation process. Turn the knob to the right to increase the value or to the left
to decrease the value and confirm your setting(s) with OK.
NOTE
To find out, which settings are appropriate for your solvent, consult the solvent library, see chapter
6.4.2.
When you press ESC, the screen changes to the original setting, i.e. to the previous setpoint.
• Press the START button to start the distillation process or to return to the main screen.
NOTICE
Risk of damage caused by heating transfer mediums.
• Do not fill the heating bath to overflow