56925BA2 Rev. 03, 11/2017
Improper use to be prevented:
• Failing to observe the specified safetyinstructions and instructions for the
operation, maintenance and disposal in the operating manual.
• Any non-compliance with the present operating manual for the supplied
products.
• Applying conditions and requirements which do not conform to those
stated in the technical documents, data sheets, operation manuals and as-
sembly instructions and other specific guidelines of the manufacturer.
• Use of the product if parts of it are damaged or corroded. This also applies
for seals and used cables.
• Restructuring or changing the system components.
• The product is not suitable for use in potentially explosive areas and may
therefore not be operated in such areas. The product is not explosion-proof.
• Operation ...
o in a state where live parts are accessible.
o in a wall housing with inadequately sealed glands and / or insufficiently
tightened or damaged cable glands.
• Operation without the safety precautions provided by the manufacturer.
• Manipulation or avoidance of existing safety equipment.
BERTHOLD shall only accept liability for / guarantee the correspondence of the de-
vice to its publicised specifications.
If the product is used in a way which is not described in the present operating
manual, the device's protection is compromised and the warranty claim becomes
invalid.
The device is not approved according to IEC 61508 “Functional safety of safety-
related electric/electronic/programmable electronic systems”.
2.3 Qualification of the Personnel
A minimum requirement for all work on or with the product would be employ-
ees with general knowledge who are instructed by an expert or authorised
person.
At different parts in this operating manual, reference is made to groups of people
with certain qualifications who can be entrusted with different tasks during instal-
lation, operation and maintenance.
These three groups of people are:
• Employees with General Knowledge
• Experts
• Authorised Persons.
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