Fisher ALPHA 1-2 LDplus Operating Manual page 49

42 • LDplus Control System
Select the set value using the focus.
Press the right-hand softkey Edit
focus is displayed in an inverted manner. You can now change the set
value within a permissible range using the up
Press OK
The editing mode is quit.
5.7.1.1 Set values for freezing
•
Timer
Time for the freezing phase section time. You can set a
time between 1 minute and 200 hours. Selecting the
infinite set value ( ) deactivates the timer for the freezing
phase.
5.7.1.2 Set values for main drying & final drying
•
Timer
Time for the main or final drying phase section time. You
can set a time between 1 minute and 200 hours. Selecting
the infinite set value ( ) deactivates the timer for the main
or final drying phase.
•
Vacuum
Set value for the control vacuum in the drying chamber
during main or final drying. The pressure control option
must be installed. You can set a value between 6.1 mbar
and 0.0010 mbar converted into steps of 1°C according to
the vapour pressure curve above ice for water.
Set values for final drying are not available unless the pressure
control option is installed.
to confirm the set value or Cancel
Operating Manual Freeze Dryer ALPHA 1-2 LDplus
to start the editing mode. The
and down keys.
to reject it.