Danfoss VLT AQUA FC 202 - ALARM 92, No flow; ALARM 93, Dry pump; ALARM 94, End of curve; ALARM 95, Broken belt

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•
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RFI ltering.
Motor cable length.
Motor cable shielding.
Drive power.
e30bb955.12
a
b
Motor cable length
Leakage current
Illustration 75: Inuence of the Cable Length and Power Size on Leakage Current, Power Size a > Power Size B
The leakage current also depends on the line distortion.
e30bb956.12
THDv=0%
THDv=5%
Leakage current
Illustration 76: Inuence of Line Distortion on Leakage Current
If the leakage current exceeds 3.5 mA, compliance with EN/IEC 61800-5-1 (power drive system product standard) requires special
care.
Reinforce grounding with the following protective earth connection requirements:
AJ300847815559en-000101 / 130R0337142 | Danfoss A/S © 2020.09
Electrical Installation
Considerations
VLT® AQUA Drive FC 202
Design Guide