Instruction Manual

Freeze-dryer Alpha 1-2 LDplus
5 Set-up and connection
32
Version 11/2006, Rev. 2.0 of 02/12/2014 • sb
Translation of the original operating manual
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5 Set-up and connection
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5.1 Installation site
Operate the freeze-dryer only in closed and dry rooms.
• The table must be stable and have a solid, even tabletop.
• Ensure sufficient ventilation. Do not place any paper, cloth, or similar
material behind or under the unit, since otherwise the air circulation will
be impaired.
• Keep a safety distance of at least 30 cm from the wall so that the vents
in the unit remain fully effective.
• The ambient temperature must be in the range of +10°C to +25°C.
• Do not subject the freeze-dryer to thermal stress, e.g. by positioning it
near heat generators.
• Avoid direct sunlight (UV radiation).
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5.2 Power supply
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5.2.1 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.
Alpha 1-2 LDplus units have a three-wire power cord with an IEC C13
connector (see chapter 10 - "Technical data").
An equipotential bonding screw is located on the back below the mains
power input (see chapter 2.1.1 - "Functional and operating elements"). This
equipotential bonding screw can be used to perform an earth conductor
check.
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5.2.2 Customer-provided fuses
Typically, the freeze-dryer must be protected with 16 Amp G fuses that are
to be provided by the customer.
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