Safety; Safety Instructions; Software Version And Approvals; General Warning - Danfoss VLT Micro Drive FC 51 Series Programming Manual

VLT Micro Drive FC 51

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

• 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.

1.1.3. Software Version and Approvals

This Programming Guide can be used for all VLT Micro Drive frequency drives with software version

1.1.4. General Warning

Warning:
Touching the electrical parts may be fatal - even after the equipment has been disconnected from mains.
Also make sure that other voltage inputs have been disconnected (linkage of DC intermediate circuit).
Be aware that there may be high voltage on the DC link even when the LEDs are turned off.
Before touching any potentially live parts of the frequency converter, wait at least 4 minutes for all sizes.
Shorter time is allowed only if indicated on the nameplate for the specific unit.
Software Version
Programming Guide
VLT Micro Drive
FC 51 Series
2.1x.
The software version number can be read in
parameter 15-43.
MG.02.C4.02 - VLT is a registered Danfoss trademark
1. Safety
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