Operation
30
Vacuum control
1.
Select the entry „vacuum” by turning the Hei-GUIDE (6) and calling up the selected
entry to be changed by pressing the Hei-GUIDE (6) again.
2.
Set the absolute pressure by using the rotary pushbutton controller Hei-GUIDE (6).
The pressure is readjusted synchronously at an active vacuum control.
3.
Pressing it again confirms the change.
4. The entry is exited after 10 seconds, in order to rule out accidental adjustments.
Softkey „Start all” and „Stop all”
A distillation can be started and stopped automatically by using softkey “Start all” (1) and
„Stop all” (1).
Auto easy mode
The required vacuum is automatically calculated based on a pressure measurement in
the “Auto easy”. The boiling pressure is detected and maintained automatically
The „Auto easy” is configured for easy handling and for common heating bath and cooling
media temperature. In case the amount of steam produced is insufficient and the evapo
-
ration does not start, increase the heating bath temperature. Decrease the cooling media
temperature or heating bath temperature in case of insufficient reclaim of solvent.
Menu display
The following values can be changed in the menu view:
Heating bath
Setting of the bath temperature. Setting range is between
20 °C and maximum heating bath temperature (MAX TEMP is
adjustable in Setup) with a highest range of 210 °C.
Rotation
Setting of rotation speed of the distillation flask. Setting
range is between 10 and 280 rpm.
Timer
Setting of the timer to shut down the process. Setting range
is between 1 and 1440 minutes. For continuous operation
choose „off” for Timer setting. The heating bath at the end
of a timed run can be set to turn off (Parameter found in
Setup).
Pump type
Selects the connected pump type. The internal control param-
eters are adjusted according to the connected pump (only by
using rpm controlled pump Rotavac vario control or Rotavac
vario tec.)
Selecting the entry by turning the Hei-GUIDE (6):
1.
Call up the selected entry to be changed by pressing the Hei-GUIDE (6) (entry will be
highlighted in orange).
2.
Set the value by using the rotary pushbutton controller Hei-GUIDE (6).
3.
Pressing it again confirms the change. Softkey „Esc“ (1) terminates the change of the
currently processed entry.
4. The new settings are accepted by the „accept” entry. It is changed to the actual value
display.
▪
All changes in the menu view are discarded with softkey „Esc“ (1).
▪ The parameters are stored under a name to be selected by using softkey
“Store Favorite“ (1).
Summary of Contents for Hei-VAP
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