Martin Christ Beta 2-8 LSCplus - Manual (Page 64)

Beta 1-8 LSC&
Beta 2-8 LSC&
6 Operation
64
Version 04/2013, Rev. 1.1 of 16/12/2013 • sb
Translation of the original operating manual
Vacuum pump warm-up
Apart from the execution of the various sections, the PGM
plus
programmer
module also controls other tasks that need to be performed during the
process run, e.g. the automatic activation of the vacuum pump.
If the pressure control valve is closed, the PGM
plus
programmer module
shifts the warm-up phase of the vacuum pump to the freezing phase so that
it is before the first drying section. During the warm-up of the vacuum
pump, neither the freezing phase nor the pressure inside the drying
chamber will be affected.
The duration of the warm-up phase can be specified separately for every
program (see chapter 6.5.3.1 - "Creating a program").
Fig. 59: The warm-up phase of the vacuum pump is shifted to the freezing phase prior to the
first drying section
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6.5.3.1 Creating a program
To create a new program:
• Press the button "New program" in the main window "Program". The
dialog box that is displayed offers various different program templates.
The scroll bar on the right-hand side can be used to scroll through the
list.
1 Button for creating a
blank program
2 Scroll bar for
selecting a program
template
Fig. 60: Dialog box "Select program template"
T/°C
t/h
100
10
1
0.1
0.01
0.001
+30
+20
+10
0
-10
-20
Pressure/mbar
Section
“freezing”
First
section
“drying”
Warm-up phase
of the vacuum pump
Last
section
“freezing”