Chapter 4: Lyo-Works Operating System
Product Service 816-333-8811 or 1-800-522-7658
23
Original instructions
will turn off the heater control and allow the system to reach its lowest
possible temperature (approximately -45°C). Bulk Tray Dryer, Small Tray
Dryer & Heated Product Shelves may be set from -20°C to +60°C
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.
Data Logging Screen
When 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
will be highlighted (blue). With a data log file selected, the rest of the buttons
along the bottom of the screen will become active (Data View, Chart, Copy &
Delete). If a data log file is currently running (collecting data), the “running man”
icon will appear to the left of data log file name. If the currently running data log
file is selected (highlighted), the Copy & Delete buttons will be inactive.
New/Stop
– Use this button to start a new data log file or to stop a running
data log file. The wording on this button will change from “New” to
“Stop” depending on whether or not a data log file is currently running.
The new data log file name will be defaulted to a three digit sequential
number (starting with “Batch 001”) that will be incremented as new data
log files are added to the list (i.e. Batch 002, Batch 003…). The default
name can be edited as desired in the New or Data View screen.
Data View
– Use this button to view the data from a saved data log file in
table format.
Chart
– Use this button to view data from a saved data log file in chart
format (1 temperature sensor & 1 vacuum sensor can be graphed at a time.
Temperature and vacuum sensors can be selected from pop-up menus.
Copy
– Use this button to copy a selected data log file to a USB flash drive
or computer via the USB port on the left side of the Freeze Dryer.
Delete
– Use this button to delete a saved data log file from the list.
