Christ ALPHA 1-2 LDplus - 5. LDplus Control System; 5.1. Introduction; 5.2. LDplus control panel

Operating Manual Freeze Dryer ALPHA 1-2 LDplus Installation and Commissioning of the Unit • 29
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