32
BÜCHI
Vacuum Controller
V-800/V-805
8.9.2
Possible interventions into the regulating
process
Increase the system pressure or interrupt pressure drop in
the start phase
ð
[P
é
]
. The 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 manual RUN mode with the original set point.
[OK]
puts back into the manual 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.
8.10 Repeating the last distillation performed
The last manual distillation performed is automatically saved
in active working memory.
8.10.1
Performing the distillation
Choose repeat mode
[MENU]
ð
[MODE]
ð
[REPEAT]
ð
[OK]
.
The display automatically goes into the basic state of the
repeat function.
Now, the controller is ready and you can use
[RUN]
to start
it.
[SHOW]
displays the pressure course graphically.
[STOP]
ends the distillation and ventilates the apparatus
(unless configured otherwise).
The program can be saved from the basic state for applications
later:
[MENU]
ð
[MEMORY]
ð
[STORE]
ð
[OK]
(program
is saved as gradient).
8 Operation V-805
