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7. Maintenance
7.1. Ice Condenser Chamber
7.2. Heat Exchanger
Operating Manual Freeze Dryer ALPHA 1-2 LDplus
Before each start-up ensure that all water residue has been removed
from the ice condenser chamber. If necessary, wipe the ice condenser
chamber.
Before every drying process it is recommended to open and close the
drain valve once.
A laminated heat exchanger is used to cool the refrigerant
compressed by the refrigerator. The heat exchanger is placed at the
back of the unit. In intervals of a few months it must be checked for
dust or dirt residues and cleaned if necessary. Cleaning of the heat
exchanger can be carried out best by brushing, by using a vacuum
cleaner from the outside or by using compressed air from inside the
unit.
Excessive dirt on the heat exchanger leads to a decrease in
performance and can lead to a failure of the unit!
Please note: The unit must not be turned upside down!
Maintenance • 55
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