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Operating Instructions ACU
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2.10
Organizational measures
2.10.1
General
Train your staff in the handling and use of the frequency inverter and the machine/plant as well
as the risks involved.
Use of any individual parts or components of the frequency inverter in other parts of the
operator's machine/plant is prohibited.
Optional components for the frequency inverter must be used in accordance with their designated
use and in compliance with the relevant documentation.
2.10.2
Use in combination with third-party products
Please note that Bonfiglioli Vectron MDS GmbH will not accept any responsibility for compatibility
with third-party products (e.g. motors, cables or filters)..
In order to enable optimum system compatibility Bonfiglioli Vectron MDS GmbH offers
components facilitating commissioning and providing optimum synchronization of the
machine/plant parts in operation.
If you use the frequency inverter in combination with third-party products, you do so at your own
risk.
2.10.3
Handling and installation
Do not commission any damaged or destroyed components.
Prevent any mechanical overloading of the frequency inverter. Do not bend any components and
never change the isolation distances.
Do not touch any electronic construction elements and contacts. The frequency inverter is
equipped with components which are sensitive to electrostatic energy and can be damaged if
handled improperly. Any use of damaged or destroyed components will endanger the
machine/plant safety and shall be considered as non-compliance with the applicable standards.
Only install the frequency inverter in a suitable operating environment. The frequency inverter is
exclusively designed for installation in industrial environments.
If seals are removed from the case, this can result in the warranty becoming null and void.
2.10.4
Electrical connections
The five safety rules must be complied with.
Never touch live terminals. In sizes 1 through 7, the DC-link may have dangerous voltage levels
up to 3 minutes after shutdown.
When performing any work on/with the frequency inverter, always comply with the applicable
national and international regulations/laws on work on electrical equipment/plants of the country
in which the frequency inverter is used.
The cables connected to the frequency inverters may not be subjected to high-voltage insulation
tests unless appropriate circuitry measures are taken before.
Only connect the frequency inverter to suitable supply mains. The frequency inverter may be
operated in TN, TT and IT grid types. Precautions must be taken for operation in IT grids, see
Chapter 7 "Electrical installation". Operation in a corner-grounded TN grid shall not be permissible.
2.10.4.1
The five safety rules
When working on/in electrical plants, always follow the five safety rules:
1
Isolate
2
Secure to prevent restarting
3
Check isolation
4
Earth and short-circuit
5
Cover or shield neighboring live parts
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