User guide
Table Of Contents
- 1 About this manual
- 2 Safety
- 3 Technical data
- 4 Description of function
- 5 Putting into operation
- 6 Operation
- 6.1 Menu structure of the Vacuum Controller V-850/855 software
- 6.2 Vacuum Controller V-850/855 main screen in Manual mode
- 6.3 Selecting the distillation conditions
- 6.4 Starting a distillation
- 6.5 Vacuum Controller V-850/855 main screen in Gradient mode
- 6.6 General information on buttons
- 6.7 Main menu
- 6.8 Calibrating the pressure sensor
- 6.9 Recirculating chiller
- 6.10 Tips and tricks for a distillation
- 7 Maintenance
- 8 Troubleshooting
- 9 Shutdown, storage, transport and disposal
- 10 Spare parts
- 11 Declarations and requirements

6 Operation
36 V-850/855 Operation Manual, Version E
NOTE
You can define up to 20 steps.
• To save your settings as a program, select Save. The following screen appears:
Use the selection knob on the vacuum controller to move the “cursor” from one character to the other
and press Enter each time you want to take a character over into the field at the top. Press Save to
save the program under the entered name.
Working with programs
When you select the Program submenu, the following screen opens:
You can now open or delete a previously saved program, if available.
In case you are in one of the Modes, where predefined programs can be used, the screen provides an
additional Save option.










