Danfoss VLT AQUA Drive FC 202 Operating Instructions Manual page 48

Commissioning
Inspect for
Fusing and circuit
breakers
Grounding
Input and output power
wiring
5 5
Panel interior
Switches
Vibration
Table 5.1 Start-up Checklist
46
Operating Instructions
Description
•
Check for proper fusing or circuit breakers
•
Check that all fuses are inserted firmly and in operational condition and that all circuit breakers are
in the open position
•
The unit requires a ground wire from its chassis to the building ground
•
Check for good ground connections that are tight and free of oxidation
•
Grounding to conduit or mounting the back panel to a metal surface is not a suitable ground
•
Check for loose connections
•
Check that motor and mains are in separate conduit or separated screened cables
•
Inspect that the unit interior is free of debris and corrosion
•
Ensure that all switch and disconnect settings are in the proper positions
•
Check that the unit is mounted solidly or that shock mounts are used, as necessary
•
Check for an unusual amount of vibration
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MG21B202