1. How to Read these Operating Instructions1.1.1. Copyright, Limitation of Liability and Revision RightsThis publication contains information proprietary to Danfoss A/S. By accepting and using thismanual the user agrees that the information contained herein will be used solely for operatingequipment from Danfoss A/S or equipment from other vendors provided that such equipment isintended for communication with Danfoss equipment over a serial communication link. This pub-lication is protected under the Copyright laws of Denmark and most other countries.Danfoss A/S does not warrant that a software program produced according to the guidelines pro-vided in this manual will function properly in every physical, hardware or software environment.Although Danfoss A/S has tested and reviewed the documentation within this manual,Danfoss A/S makes no warranty or representation, neither expressed nor implied, with respect tothis documentation, including its quality, performance, or fitness for a particular purpose.In no event shall Danfoss A/S be liable for direct, indirect, special, incidental, or consequentialdamages arising out of the use, or the inability to use information contained in this manual, evenif advised of the possibility of such damages. In particular, Danfoss A/S is not responsible for anycosts, including but not limited to those incurred as a result of lost profits or revenue, loss ordamage of equipment, loss of computer programs, loss of data, the costs to substitute these, orany claims by third parties.Danfoss A/S reserves the right to revise this publication at any time and to make changes to itscontents without prior notice or any obligation to notify former or present users of such revisionsor changes.These Operating Instructions will introduce all aspects of your VLT AQUA Drive.Available literature for VLT AQUA Drive:- Operating Instructions MG.20.MX.YY provide the neccessary information for getting thedrive up and running.- Design Guide MG.20.NX.YY entails technical information about the drive design and cus-tomer applications.- Programming Guide MG.20.OX.YY provides information on how to programme and in-cludes complete parameter descriptions.X = Revision numberYY = Language codeDanfoss Drives technical literature is also available online at www.danfoss.com/BusinessAreas/DrivesSolutions/Documentations/Technical+Documentation.1.1.2. ApprovalsVLT ® AQUA DriveOperating Instructions 1. How to Read these Operating InstructionsMG.20.M2.02 - VLT ® is a registered Danfoss trademark 31