6 • General Information Operating Manual Freeze Dryer ALPHA 1-2 LDplus
1.4. Standards and Regulations
Please refer to the enclosed EU Declaration of Conformity.
1.5. Safety Instructions
1.5.1. CAUTION! Disconnect Mains Plug!
As current-carrying parts are accessible inside the unit
the mains plug must be disconnected before the side panels are
opened or before the control panel is removed.
For maintenance work the unit must be switched off with the mains
switch.
1.5.2. CAUTION! Solvents!
Acidic products or products with a high solvent
concentration cannot be dried without special protective measures
and devices such as e.g. a cooling trap for protection of the
vacuum pump (if necessary check with our service department).
Besides, the unit may be damaged by corrosion.
Special caution is necessary when using azides because a
dangerous explosive develops in combination with copper or non-
ferrous metals! It is absolutely essential to consult our service
department!
1.5.3. ADVICE! Cleaning and Maintenance of the Unit!
For infectious, toxic, pathogenic and radioactive
substances the corresponding safety regulations must be
observed.
1.5.4. WARNING! Freezing of Limbs to Surfaces!
During operation of the freeze dryer dangerous
situations in the ice condenser chamber may arise. When putting
in the shelves take care that limbs do not come into contact with
the condenser in the ice condenser chamber as the limbs may
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