1 Introduction1.1 Purpose of the ManualThis operating guide provides information for safe instal-lation and commissioning of the VLT® drives in anenclosure size E (E1h, E2h, E3h, and E4h).The operating guide is intended for use by qualifiedpersonnel. To use the unit safely and professionally, readand follow this operating guide. Pay particular attention tothe safety instructions and general warnings. Always keepthe operating guide with the drive.VLT® is a registered trademark.1.2 Additional ResourcesOther resources are available to understand advanced E1h–E4h drive functions and programming.• The VLT® AQUA Drive FC 202 Programming Guideprovides greater detail on working withparameters and aqua application examples.• The VLT® AQUA Drive FC 202, 110–1400 kW DesignGuide provides detailed capabilities andfunctionality to design motor control systems foraqua applications.• The Safe Torque Off Operating Guide.Supplementary publications and manuals are availablefrom Danfoss. See drives.danfoss.com/knowledge-center/technical-documentation/ for listings.1.3 Manual and Software VersionThis manual is regularly reviewed and updated. Allsuggestions for improvement are welcome. Table 1.1 showsthe version of the manual and the corresponding softwareversion.Manual version Remarks Software versionMG22A1xx Initial release 2.70Table 1.1 Manual and Software Version1.4 Approvals and CertificationsTable 1.2 Approvals and CertificationsMore approvals and certifications are available. Contact thelocal Danfoss office or partner. Drives of voltage T7 (525–690 V) are UL certified for only 525–600 V.The drive complies with UL 61800-5-1 thermal memoryretention requirements. For more information, refer to thesection Motor Thermal Protection in the product-specificdesign guide.NOTICEIMPOSED LIMITATIONS ON THE OUTPUTFREQUENCYFrom software version 1.99, the output frequency of thedrive is limited to 590 Hz due to export controlregulations.1.4.1 Compliance with ADNFor compliance with the European Agreement concerningInternational Carriage of Dangerous Goods by InlandWaterways (ADN), refer to ADN-compliant Installation in thedesign guide.1.5 DisposalDo not dispose of equipment containingelectrical components together withdomestic waste.Collect it separately in accordance withlocal and currently valid legislation.Introduction Operating GuideMG22A102 Danfoss A/S © 01/2017 All rights reserved. 31 1