Chapter 4: Lyo-Works Operating System
Product Service 816-333-8811 or 1-800-522-7658
Shelf Temp. - May be set anywhere from +50°C to –55°C in 1°C
increments. There is also a Max Cold (MC) setting that allows the system
to reach its lowest possible temperature (approximately -75°C). Max Cold
should only be used for pre-freezing samples, not for freeze drying, since
the collector coil is not being cooled in this mode.
Time – This time represents how long the system will hold at the Shelf
Temp. that has been programmed for each Step. The time can be set from
00:01 to 99:59 (1 min to 99 hrs 59 min). It can also be set to an indefinite
amount of time, which is represented by the infinity symbol (∞).
Vacuum – Vacuum control can be set from 0.000 to 1.500 mbar.
Illustration of a simple 3 Step Program
Data Logging Screen
If no data log file has been selected the “New” button will be the only active
button along the bottom of the screen. A data log file can be selected from the list
by pressing the data log file name. When a data log file has been selected, the row
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