Martin Christ Alpha 2-4 LDplus - Manual (Page 33)

Operating Manual Freeze Dryer ALPHA 1-4 LDplus / ALPHA 2-4 LDplus Installation and Commissioning of the Unit 33
4.8.2. Connection of vacuum sensor vacuum Pump, and
pressure control valve
Connection diagram
Fig.1
Process A (single-chamber system):
Freezing and gentle drying of low-freezing and thermolabile substances on
cooled shelves inside the ice condenser chamber (see figure 1).
Typical drying vessels::
Dishes
Injection vials (can be sealed under vacuum)
Fig. 2
Process B (double-chamber system):
Separate freezing (e.g. in a deep-freeze) and drying outside the ice condenser
chamber (see figure 2)
Typical drying vessels:
Dishes
Injection vials (can be sealed under vacuum)
Round-bottom flasks, wide-neck filter bottles
Ampoules
1 Vacuum pump
2 Ice condenser chamber
3 Ice condenser
4 Glass lid
5 Drying chamber
6 Heatable shelf 7 Vacuum sensor
8 Drain valve
11 Pressure control valve
12 Aeration valve
13 Rubber valve
14 Thermal insulation