Fisher ALPHA 1-2 LDplus Operating Manual page 38

Operating Manual Freeze Dryer ALPHA 1-2 LDplus
In case a pressure control valve is available it has to be mounted
between the freeze drying unit and the vacuum pump. Then it has to
be plugged into the socket of the freezing unit on the rear panel of the
unit.
The vacuum pump is connected to the unit and plugged into the
socket on the rear panel of the unit.
The vacuum gases shall be filtered or drained.
The aeration valve and the drain valve on the left side of the unit have
to be closed.
The lid or the drying chamber has to be mounted to the ice condenser
chamber.
In case the drying chamber is equipped with rubber valves they have
to be closed.
Further accessories (e.g. shelves, connections for round bottom
flasks) are added accordingly.
Please observe the installation
direction of the pressure control
and stop valve
Installation and Commissioning of the Unit • 31