8 • General Information Operating Manual Freeze Dryer ALPHA 1-2 LDplus
1.6. Prohibited Freeze Drying Processes
1. Operation of freeze dryer when not installed correctly.
2. Operation of freeze dryer without panels.
3. Operation of freeze dryer by non-authorised personnel.
4. Operation of freeze dryer with shelves not installed
properly.
5. Operation of freeze dryer with very corrosive
substances (e.g. hydrogen chloride). It is not allowed to
dry these substances, at least special safety measures
have to be observed. The corrosive substances must
not cause damage to material and must not degrade
the mechanical strength of the ice condenser chamber,
the drying chamber, the lid or the accessory
components.
6. Operation of freeze dryer with accessories not allowed
by the manufacturer, except for commercial freeze
drying vessels made of glass or plastic. The user is
explicitly warned not to use poor quality goods.
Breaking glass or bursting vessels can cause
dangerous situations during freeze drying.
7. Operation of freeze dryer in locations with danger of
explosion.
8. During operation the freeze dryer must not be knocked
or moved. Leaning against or resting on the freeze
dryer is not allowed.
9. Do not place potentially dangerous material, e. g. glass
vessels containing liquids, near the freeze dryer.
10. Products which could react to the supply of high energy
during the freeze drying process must not be dried.
11. Do not freeze dry explosive or highly inflammable
substances.
12. Infectious, toxic, pathogenic and radioactive
substances must only be dried in suitable vessels.
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