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Product Service: Domestic 1-800-522-7658, International 816-333-8811
Chapter 4: Using Your Freeze Drye
Shell Freezer
Follow the steps below each time you use the
optional shell freezer to obtain optimum
performance:
1. Check that the solvent bath drain plug is
securely installed in the drain hose.
2. Remove bath compartment cover and add
solvent to bath compartment. Commonly used
solvents are methanol or ethanol.
Recommended solvent depth is ¼” to ½” above
the top of the rollers (approximately 2 liters).
3. Press the panel switch labeled SHELL
FREEZE. The green annunciator above the
switch will illuminate. The shell freezer
refrigeration module will start and the bath
rollers will begin rotating. The LCD display
will show the shell freezer bath temperature.
Above 32
o
C the display will indicate “HI.”
4. Fill a freeze dry container no more than ½ full
with sample and stopper the container top. Lay
the container on the rollers in a horizontal
position. Replace bath compartment cover
during shell freezing.
5. When sample is completely frozen in the
container, remove container from bath
compartment and freeze dry or place in suitable
storage freezer for future freeze drying.
6. Press the SHELL FREEZE switch to turn shell
freezer off.
If flammable solvents are used in
the shell freezer bath, be sure to
keep away from open flame.
!
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