BUCHI Extraction System B-811 LSV - Manual (Page 35)

6 Operation
35 B-811 Operation Manual, Version G
6 Operation
This chapter gives examples of typical instrument applications and instructions on how to operate the
instrument properly and safely.
WARNING
Risk of injury
Never operate the instrument when glassware is damaged or when a heating element is broken. •
6 .1 Description of the function keys
Function key Description
START Starts the program currently in the program window.
STOP in Standby
mode 1x: The extraction parameters can be changed.
The cooling water valve is opened
2x: The cooling water valve is closed.
STOP during
extraction 1x: Switches to standby mode.
The extraction parameters can now be changed without having to stop the
program.
2x: Interrupts/stops the program currently running.
The cooling water valve is closed. The samples are removed from the
extraction chambers.
3x: The cooling water valve is opened.
SELECT 1 x Access to storage/programming modes.
Ends programming mode.
Stores the program.
Prints the program.
INTERT GAS ON/OFF (possible at any time)
Activate in the appropriate programming step (the LED lights up).
/
Set the heating level, number of cycles and the extraction time for the process.
/
Move to the next display segment within a program.
Solvent Opens the solvent valve manually.
Solvent may be released at any time as long as a solvent beaker is in place
and the heating element (position) is activated.
An overview of the function key arrangement is given in chapter 4.7.