Safety notes
2
2.1
General
To protect your personal safety and avoid damage to property, always observe the safety
instructions provided in the Operating Instructions for the relevant converter.
The product/system described in this documentation may only be operated by personnel
qualified for the specific task in accordance with the relevant documentation for the specific
task, in particular its warning notices and safety instructions. Because of their training
and experience, qualified personnel can recognize any risks involved with handling these
products/systems and avoid any possible dangers.
2.2
Qualified personnel
Only qualified personnel may perform work on SINAMICS Perfect Harmony GH150 operator
panel. For the purpose of this documentation, qualified personnel mean people who fulfill the
following requirements:
• Through appropriate training and experience, they are able to recognize and avoid risks and
potential dangers in their particular field of activity.
• Those responsible have instructed them to carry out the work.
2.3
Five safety rules
For the personal safety and to prevent material damage when carrying out any work, always
observe the safety-relevant instructions and the following five safety rules according to EN
50110‑1 "Working in a voltage-free state". Before carrying out work, apply the five safety rules
in the sequence stated.
Five safety rules
1. Disconnect the system. Also disconnect the auxiliary circuits, for example, anti-condensation
heating.
2. Secure against reconnection.
3. Verify absence of operating voltage.
4. Ground and short-circuit.
5. Provide protection against adjacent live parts.
To energize the system, apply the measures in reverse order.
Operator panel for SINAMICS Perfect Harmony GH150 air-cooled MV Converters
Function Manual, 12/2022, A5E51241343A
7
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