Danfoss VLT AutomationDrive FC 302, Руководство по эксплуатации, Страница: 33 / 158

5.6 Connecting the AC Mains
•
Size the wiring according to the input current of the drive. For maximum wire sizes, see chapter 10.1 Electrical Data .
•
Comply with local and national electrical codes for cable sizes.
Procedure
1. Strip a section of the outer cable insulation.
2. Position the stripped wire under the cable clamp, establishing mechanical fixation and electrical contact between
the cable shield and ground.
3. Connect the ground wire to the nearest grounding terminal in accordance with the grounding instructions
provided in
chapter 5.4 Connecting to Ground .
4. Connect the 3-phase AC input power wiring to terminals R, S, and T. See Illustration 5.5 .
5. Tighten the terminals in accordance with the information provided in chapter 10.8.1 Fastener Torque Ratings .
6. When supplied from an isolated mains source (IT mains or floating delta) or TT/TN-S mains with a grounded leg
(grounded delta), ensure that
parameter 14-50 RFI Filter is set to [0] Off to avoid damage to the DC link and to
reduce ground capacity currents.
NOTICE
OUTPUT CONTACTOR
Danfoss does not recommend using an output contactor on 525–690 V drives that are connected to an IT mains
network.
Electrical Installation Operating Guide
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