Freeze-dryer Alpha 1-4 LDplus
Freeze-dryer Alpha 2-4 LDplus
Version 11/2006, Rev. 2.2 of 17/10/2016 • sb
Translation of the original operating manual
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3.6.1 Electrical safety
CHRIST freeze-dryers are units of safety class I. Please comply with the
following points in order to preserve the safety features:
• Ensure that the local mains voltage matches the nominal voltage that is
stated on the name plate.
• Do not place any dangerous material, e.g. glass vessels containing
liquid substances, within the safety area of 30 cm around the freeze-
dryer. Spilled liquids may get into the freeze-dryer and damage the
electrical or mechanical components.
• Work on the power supply system must only be performed by certified
electricians.
• Inspect the electrical equipment of the unit regularly. Defects such as
loose or burnt cables must be eliminated immediately.
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3.6.2 Mechanical safety
In order to ensure the safe operation of the freeze-dryer, please comply
with the following points:
• Do not use the freeze-dryer if it was installed incorrectly.
• Do not use the freeze-dryer without panels.
• Do not use the freeze-dryer with accessories that shows signs of
damage.
• Only use the freeze-dryer with accessories that have been approved by
the manufacturer. In case of doubt, contact the manufacturer (see
chapter 7.3 - "Service contact").
• Do not hit or move the freeze-dryer during its operation.
• Do not lean against or rest on the freeze-dryer during its operation.
• Check the freeze-dryer and the accessories before every start-up for
any visible signs of damage.
• Do not dry any substances that could damage the material of the ice
condenser chamber, drying chamber, lid, or accessories in any way,
e.g. highly corrosive substances such as hydrogen chloride (HCl).
• Stop the freeze-dryer immediately in the event of a malfunction.
Eliminate the malfunction (see chapter 7 - "Malfunctions and error
correction") or contact the after-sales service of Firma Martin Christ
Gefriertrocknungsanlagen GmbH (see chapter 7.3 - "Service contact").
• Ensure that all repairs are performed only by authorised and
specialised personnel.
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