46
P12 /P15 /P18
7. Functional Units 7.
7.14. Destillation
7.14
The distillation unit consists of a still with ascending pipe, condenser and water separator.
The still is steam or electrically heated and equipped with an overfill preventer (optional equipment)
and still rinser. The still and the sight-glass are rinsed each time the still is pumped out. Use 13E to
turn the distillation heater on and off. Furthermore, distillation can be stopped by pressing
the 0 button (for about 2 seconds). A thermal sensor at the bottom turns off the heating when a
selected value has been exceeded.
For information on still stripping and maintenance, see Point 11.
7.14.1. Overfill Preventer in Still (Optional Equipment)
A built-in sensor interrupts the pumping in process when the upper edge of the view-glass has been
reached. The horn sounds and the diagnostic message E 615 is displayed. Delete the diagnostic
message with the "C" button. The display shows "par 21". Push the "START" button to pump excess
solvent to Tank I. The program continues.
1 Still with ascending pipe 6 Water separator
2 Condenser 7 Aeration (Emission-Free Still Rake Out System)
3 Overfill sensor 8 Rinse (Emission-Free Still Rake Out System)
4 Steam inlet (steam heated) 9 Condensate (steam heated)
5 Solvent inlet
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