Danfoss VLT AQUA FC 202 Operating Instructions Manual

Also see for VLT AQUA Drive FC 202: Service guide Installation guide Installation guide Operating guide Installation guide

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Danfoss VLT AQUA FC 202 Operating Instructions Manual Manual pdf 18 page image

130BD531.10UV W969798Illustration 4.5 Motor ConnectionIllustration 4.6 represents mains input, motor, and earthgrounding for basic frequency converters. Actual configu-rations vary with unit types and optional equipment.95130BB920.10+DC BR- BM A I N SL1 L2 L391 92 93RELAY 1 RELAY 299- LC -U V WMOTOR99Illustration 4.6 Example of Motor, Mains and Ground Wiring4.7 AC Mains Connection• Size the wiring based upon the input current ofthe frequency converter. For maximum wire sizes,see chapter 8.1 Electrical Data.• Comply with local and national electrical codesfor cable sizes.Procedure1. Connect the 3-phase AC input power wiring toterminals L1, L2, and L3 (see Illustration 4.6).2. Depending on the configuration of theequipment, connect the input power to themains input terminals or the input disconnect.3. Ground the cable in accordance with thegrounding instructions provided inchapter 4.3 Grounding.4. When supplied from an isolated mains source (ITmains or floating delta) or TT/TN-S mains with agrounded leg (grounded delta), ensure that14-50 RFI Filter is set to [0] Off to avoid damage tothe intermediate circuit and to reduce earthcapacity currents in accordance with IEC 61800-3.4.8 Control Wiring• Isolate the control wiring from the high powercomponents in the frequency converter.• When the frequency converter is connected to athermistor, ensure that the thermistor controlwiring is screened and reinforced/doubleinsulated. A 24 V DC supply voltage isrecommended.4.8.1 Control Terminal TypesIllustration 4.7 and Illustration 4.8 show the removablefrequency converter connectors. Terminal functions anddefault settings are summarised in Table 4.2.2 341130BB921.11Illustration 4.7 Control Terminal LocationsElectrical Installation Operating Instructions16 Danfoss A/S © Rev. 05/2014 All rights reserved. MG20MB0244