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Product Service: Domestic 1-800-522-7658, International 816-333-8811
Chapter 4: Using Your Freeze Drye
Operating the Freeze
Dryer
Automatic Start-Up
To run the Auto Mode press the panel switch
labeled REFRIGERATION AUTO. The green
annunciator above the switch will illuminate. This
will start the refrigeration system. When the
collector reaches –40°C the vacuum pump will
start. The Temperature and Vacuum Graph will
indicate collector temperature and system vacuum.
The LCD display will show the actual temperature
of the collector. When the vacuum in the system is
above 2000 x 10
-3
mBar the vacuum display will
indicate “HI.” At 2000 x 10
-3
mBar and below, the
display will show the actual vacuum.
When the system vacuum is between 450 and 133
x 10
-3
mBar, the lower green vacuum graph LED
will flash. When the system vacuum level is <133
x 10
-3
mBar, the green LED will be lit steadily
indicating that samples may be added.
Manual Start-Up
To manually run the freeze dry process press the
REFRIGERATION MAN switch. This will start
the refrigeration system. The green LED above the
switch will illuminate. When the collector
temperature reaches –40
o
C, the vacuum pump may
be started by pressing the VACUUM switch.
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