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Safety information
2.7 Information for nominated persons in control of an electrical installation
• The device is only operated in conjunction with the engineered components.
• Different operating modes, overloads, load cycles, and differing environmental conditions
are permitted only after special arrangement with the manufacturer.
Make use of the support and services offered by the relevant service center for planning,
installation, commissioning, and servicing work. You can find the relevant contact person under
"Service & Support (Page 141)".
See also
Standards and regulations (Page 143)
2.7.2
Grounding concept
Draw-up a grounding concept and integrate the device into this concept. The grounding concept
must take into consideration national provisions and system specifics. Ensure that the following
criteria are fulfilled:
• At the installation site, the various subunits must be screwed together to establish a good
electrical connection between them.
• If shield busbars are provided, these must be connected together.
• The protective grounding conductor must be connected to the system the grounding point.
Select the highest cross-section of the protective grounding conductor from one of the
following variants:
– According to local wiring regulations
– Calculated according to IEC 60364-5-54, 543.1
– Half a phase conductor cross-section
2.7.3
Installation site safety
Danger due to an unsecured installation location
This device is used in industrial power installations. Improper use, incorrect operation,
insufficient maintenance, and access by unauthorized persons can lead to accidents. The results
can be death, serious bodily injury or damage to property.
• Install the device in electrical rooms where only qualified personnel have access. If this is not
possible, then ensure that a barrier prevents uncontrolled access. Use safety fences and
appropriate signs, for example, to prevent unauthorized entry to the zone that has been
fenced off.
• Place notices that indicate that only trained personnel are allowed to operate and carry out
maintenance and repair work.
• To comply with safety regulations, equip plants and systems with additional monitoring and
protective devices. Follow technical equipment legislation and accident prevention
regulations.
18
3rd Party LCI Control Upgrade
Operating Instructions, 02/2022, A5E31872818
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