Safety; Safety Instructions - Danfoss VLT Micro Drive FC 51 Series Operating Instructions Manual

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VLT Micro Drive FC 51 Operating Instructions

1 Safety

1.1.1 High Voltage Warning
The voltage of the frequency converter is dangerous whenever it is connected to mains. Incorrect installation of the motor or frequency
converter may cause damage to the equipment, serious injury or death. Consequently, it is essential to comply with the instructions
in this manual as well as local and national rules and safety regulations.

1.1.2 Safety instructions

Prior to using functions directly or indirectly influencing personal safety (e.g. Safe Stop, Fire Mode or other functions either forcing
the motor to stop or attempting to keep it functioning) a thorough risk analysis and system test must be carried through. The
system tests must include testing failure modes regarding the control signalling (analog and digital signals and serial communication.
NB!
Before using Fire Mode, contact Danfoss
• Make sure the frequency converter is properly connected to earth.
• Do not remove mains connections, motor connections or other power connections while the frequency converter is connected to power.
• Protect users against supply voltage.
• Protect the motor against overloading according to national and local regulations.
• The earth leakage current exceeds 3.5 mA.
• The [OFF] key is not a safety switch. It does not disconnect the frequency converter from mains.
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MG.02.A4.02 - VLT is a registered Danfoss trademark
1 Safety
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