Specifications

4.8.2. Connection of Vacuum Pump and Installation of Accessory
Components
4.8.2.1 Connection diagram ALPHA 1-2 LD
plus
1 2 3 4
1 ALPHA 1-2 LD
plus
2
Pressure control valve and stop valve
3
Vacuum hose
4
Vacuum pump
The accessory components are connected to the
ALPHA 1-2 LD
plus
freeze dryer according the connection diagram shown above.
Centring rings and clamping flanges with wing nuts are used as
connecting elements (small-flange connection according to ISO 28403
or DIN 2861, see the following instructions).
Operating Manual Freeze Dryer ALPHA 1-2 LDplus Installation and Commissioning of the Unit • 29