Freeze-dryer Epsilon 1-4 LSCplus
Freeze-dryer Epsilon 2-4 LSCplus
5 Set-up and connection
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Version 07/2022, Rev. 3.0 of 20/07/2022
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Translation of the original operating manual
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5.2
Supply and disposal connections
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5.2.1
Power supply
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5.2.1.1
Connection
DANGER
The operating voltage on the name plate must correspond to the local
supply voltage
Christ freeze-dryers are units of safety class I. Epsilon 1-4 LSCplus and
Epsilon 2-4 LSCplus units have a three-wire power cord with a
CEE 7/4 plug (type F) (see chapter 10 - "Technical data").
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5.2.1.2
Customer-provided fuses
The freeze-dryer must be protected by way of a customer-provided mains
fuse with the correct rating.
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5.2.2
Aeration
DANGER
Risk of injury caused by bursting of the chamber
The double chamber is designed for vacuum. It is not a pressure vessel!
In the event of a malfunction, an impermissible excess pressure may build
up in the chamber, which may cause the chamber to burst.
This may lead to life-threatening injuries.
• Do not use the freeze-dryer when it is pressurised (excess pressure)!
• We strongly recommend installing a pressure relief device (e.g. a
safety valve or rupture disc) with a sufficient rating.
The freeze-dryer is equipped with one aeration valve (see chapter 2.1.1 -
"Functional and operating elements").
After the freeze-drying process, the aeration valve is used for aerating the
chambers to atmospheric pressure so that the loading door can be opened
in order to remove the product.
Usually, the ambient air is used for the aeration. However, the chamber can
also be aerated with an inertisation medium (e.g. nitrogen) via the hose
connector of the aeration valve.
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