33
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
[P
é
]
. 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