Operating instructions i550 cabinet frequency inverter | 6
© 11/2021 · EN · www.Lenze.com
Safety instructions
WARNING!
Functional safety
Certain variants of the product support safety functions (e.g. “Safe torque o (STO)”) in
accordance with the requirements of 2006/42/EC: Machinery Directive [UKCA: S.I. 2008/1597 -
The Supply of Machinery (Safety) Regulations 2008]. Be sure to observe the instructions in the
documentation regarding the integrated safety technology.
NOTE
Device protection
Carry out insulation resistance tests between 24-V control potential terminals and PE. The
maximum test voltage must not exceed 110VDC.
NOTE
Foreseeable misuse
Inverters are not to be operated with DC motors.
Basic safety intructions
DANGER!
Disregarding the following basic safety instructions and safety information may lead to severe
personal injury and damage to property!
• Only use the product as directed.
• Never commission the product in the event of visible damage.
• Never modify the product technically.
• Never commission the product before assembly has been completed.
• Never operate the product without the required covers.
• Connect/disconnect all pluggable connections only in deenergized condition!
• Only remove the product from the installation in the deenergized state.
• The product can - depending on their degree of protection - have live, movable or rotating
parts during or after operation. Surfaces can be hot. Surfaces can be hot.
• Observe all specications of the corresponding documentation supplied. This is the
condition for safe and trouble-free operation and the achievement of the specied product
features.
• The procedural notes and circuit details given in the associated documentation are
suggestions and their transferability to the respective application must be checked. The
manufacturer of the product does not take responsibility for the suitability of the process
and circuit proposals.
• All work with and on the product may only be carried out by qualied personnel. IEC 60364
and CENELEC HD 384 dene the qualications of these persons:
- They are familiar with installing, mounting, commissioning, and operating the product.
- They have the corresponding qualications for their work.
- They know and can apply all regulations for the prevention of accidents, directives, and
laws applicable at the place of use.
Basic
safety intructions
Residual hazards
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