Freeze-dryer Epsilon 1-4 LSCplus
Freeze-dryer Epsilon 2-4 LSCplus
6 Operation
Version 07/2022, Rev. 3.0 of 20/07/2022
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Translation of the original operating manual
Performance test (1)
The performance test is used to determine the following performance
parameters:
• vacuum decrease rate
• final vacuum
• minimum ice condenser temperature
• shelf cooling rate
• minimum shelf temperature
• shelf heating rate
NOTE
Prior to performing a test, ensure that the chamber is dry and unloaded.
Procedure:
• In the main window "Manual", select the button "Operating mode:
select/start"
– "Standard unit test".
• Select "Performance Test" and start the test via the "Run" button.
The test will be performed. The parameters will be measured at defined
points of time, evaluated, and displayed in a dialog box (see the following
illustration).
If the freeze-dryer is equipped with the LPCplus SCADA software, the
results will be documented in the event list.
Fig. 31: Results of the performance test
Evaluation:
Please contact the Christ support team for the evaluation of the test run.
Leakage test (2)
The leakage test enables the chamber of the freeze-dryer to be tested for
tightness in view of any gaseous or liquid media. Since absolutely tight
components simply do not exist, a leak rate is determined.
