Danfoss VLT DriveMotor FCP 106 Operating Instructions Manual page 12

Safety
WARNING
GROUNDING HAZARD
2 2
For operator safety, it is important to ground the
frequency converter properly in accordance with national
and local electrical codes, as well as the instructions in
this manual. Ground currents are higher than 3.5 mA.
Failure to ground the frequency converter properly could
result in death or serious injury.
It is the responsibility of the user, or certified electrical
installer, to ensure correct grounding of the equipment
according to national, and local electrical codes and
standards.
•
Follow all local and national electrical codes to
ground electrical equipment properly.
•
Establish proper protective grounding for
equipment with current higher than 3.5 mA.
•
A dedicated ground wire is required for input
power, motor power, and control wiring.
•
Use the clamps provided on the equipment for
proper ground connections.
•
Do not ground one frequency converter to
another in a daisy chain fashion.
•
Keep the ground wire connections as short as
possible.
•
Use high-strand wire to reduce electrical noise.
•
Follow the motor manufacturer's wiring
requirements.
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VLT® DriveMotor FCP 106/FCM 106
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