Heidolph Hei-VAP Precision Originalbetriebsanleitung Seite 24

Vacuum control
1. Select entry „vacuum" by turning the Select Knob Hei-GUIDE (6) and calling up the
selected entry to be changed by pressing the Select Knob Hei-GUIDE (6) again.
2. Set the absolute pressure by using the Select Knob 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).
AUTOeasy mode
The required vacuum is automatically calculated based on a pressure measurement in
the "AUTOeasy". The boiling pressure is detected and maintained automatically.
„AUTOeasy" is configured for easy handling and for common heating bath fluid and
cooling agent temperature. In case the amount of steam produced is insufficient and the
evaporation does not start, increase the heating bath temperature. Decrease the cooling
agent 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
Rotation
Timer
Pump type
Selecting the entry by turning the Select Knob Hei-GUIDE (6):
1. Call up the selected entry to be changed by pressing the Select Knob Hei-GUIDE (6)
(entry will be highlighted in orange).
2. Set the value by using the Select Knob 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).
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Operation
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.
Setting of rotation speed of the distillation flask. Setting
range is between 10 and 280 rpm.
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).
Selects the connected pump type. The internal control
para meters are adjusted according to the connected pump
(only by using rpm-controlled pump Rotavac vario control or
Rotavac vario tec.)
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