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BÜCHI Vacuum Controller V-800/V-805
8.10.2 Possible interventions into the regulating
process
Increase the system pressure or interrupt pressure drop in
the start phase ð [Pé]. he apparatus goes into the hold
mode and regulates further to the actual value. If necessary,
the apparatus is partially ventilated. [ESC] puts back into
the RUN mode with the original set point. [OK] puts back
into the RUN mode with the new set point. Use [AUTO]
to put distillation back into the automatic mode.
Change into the manual mode ð [MAN]. Now, distillation
can be continued manually
[SHOW] displays the pressure profile and the momentary
time graphically. [ESC] puts the system back into the
normal RUN display.
8.11 Configuration
Choose configuration mode [MENU] ð
[CONFIGURATION] ð [USER SETTING]
Use [é] and [ê] to define the parameters.
Confirm desired setting with [OK].
• Language
• Ventilation ON = automatic ventilation in case of Stop
• Ventilation OFF = apparatus remains evacuated in case of
stop
• Sound BUTTON ON/OFF = Buzzer On/Off
• Sound END ON/OFF = Buzzer On/Off
• Contrast: contrast of displays (30 … 100 %)
[COMMUNICATION]
• Start rotation ON/OFF: Autostart rotation of evaporating
flask when Controller starts On/Off (only R-200/R-205)
• Stop rotation ON/OFF: Autostop of rotation of evaporating
flask when Controller stops (only R-200/R-205
• Lowering ON/OFF: automatic lowering of the evaporating
flask when the Controller starts (only R-200/R-205)
• Raising ON/OFF: automatic raising of the evaporating flask
from the bath when the controller stops
(only R=200/R-205)
• Unit = mbar/hPa/Torr
8 Operation V-805
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