Actual Value Display; Softkey "Start All" And "Stop All; Auto Easy Mode; Menu Display - Heidolph Hei-VAP Precision Manuel D'utilisation

EN
Operation of the Hei-VAP Precision
Starting and clos-
ing distillation
50
6.7.2

Actual value display

The evaporator is in the SET
The setting range of the menu entry "vacuum" can be set be-
tween 1 and the safe pressure in [mbar], however, not higher than
1200 mbar.
Rotation speed and heating bath can be changed as described in 6.3 and 6.4.
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.
6.7.3

Softkey "Start all" and "Stop all"

A distillation can be started and stopped automatically by using softkey "Start all" (1)
and „Stop all" (1), as described in 8.14.
6.8 Auto mode
easy
The required vacuum is automatically calculated based on a pressure measurement in
the "AUTO " mode. The boiling pressure is detected and maintained automatically.
easy
The "AUTO " mode is configured for easy handling and for common heating bath and
easy
cooling media temperature. In case the amount of steam produced is insufficient and the
evaporation does not start, increase the heating bath temperature. Decrease the cooling
media temperature or heating bath temperature in case of insufficient reclaim of solvent.
6.8.1

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 be-
tween 10 and 280 rpm.
Timer Setting of the timer to shut down the process. Setting range is be-
tween 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 parameters
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).
mode
pressure
Hei-VAP Precision