Chapter 5: Using Your Freeze Dryer
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Original instructions
Freeze Drying Inside the Chamber
The following procedure should be followed when freeze drying using the
temperature controlled shelf inside the vacuum chamber.
Manual Mode with Pre-frozen Samples
1.
Go to the Home Screen and press MANUAL
2.
Enter the desired shelf set point temperature and press Start.
3.
The system will begin ramping the shelf temperature until the set point
temperature is achieved. After reaching the set point temperature, the
system will hold at this temperature indefinitely.
4.
When the collector temperature reaches –80°C and the shelf
temperature reaches the desired set point, turn the vacuum pump off,
release the vacuum, and open the chamber door. Place the frozen
samples on the shelf, close the door, and turn the vacuum on.
5.
Shelf set point temperature and vacuum set point can be changed at any
time during the manual freeze dry process.
6.
To stop, press MANUAL, then Stop. This will turn off the refrigeration
system and heater.
