Operation
25
1.
Place the inlet tube (1) in the additional distillation material.
2.
Turn the stopcock (2) parallel to the inlet tube (1).
The additional distillation material is suctioned into the evaporation flask while system is
under vacuum.
Ventilate manually
The system can be ventilated with the valve stopcock (Figure 4-26 (2) of the inlet pipe:
➜
Slowly turn the stopcock (Figure 4-26 (2)) of the inlet tube upward.
✓
The system will be ventilated.
Operation of the Hei-VAP Precision
The basic steps of operating the rotary evaporator Hei-VAP Precision will be explained in
this chapter.
The parameters for the distillation are set and monitored via the control panel.
The set parameters are stored. The last used parameters will appear after a restart.
The actual value display is always the
start screen. All current actual values are
displayed as large numbers and the target
values as small numbers.
The programs of the top menu bar
are highlighted by turning the rotary
pushbutton controller Hei-GUIDE. The
Hei-GUIDE walks through the programs
going from left and right. An „<“ or “>“
shows the direction in which the rotary
pushbutton controller can be turned,
in order to reach the non-visible menu
elements.
The highlighted menu element is activated
by pressing the Hei-GUIDE and the status
screen changes to the respective menu.
2
8
4
1
3
5
6
7
Figure 6-1: Control panel of Hei-VAP Precision (with Motor Lift)
The user can change the displayed settings in these menus.
Turning the Hei-GUIDE is sufficient to change between individual entries. The selected
entry is always highlighted.
The selected entry will be called up when pressing the Hei-GUIDE. The desired value can
be set when turning the Hei-GUIDE.
The lower functions in the menu are activated via the grey softkeys.
Summary of Contents for Hei-VAP
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