1.1.2 Available literature for VLT HVAC Drive- Operating Instructions MG.11.Ax.yy provide the necessary information for getting the frequency converter up and running.- Operating Instructions VLT HVAC Drive High Power, MG.11.Fx.yy- Design Guide MG.11.Bx.yy entails all technical information about the frequency converter and customer design and applications.- Programming Guide MG.11.Cx.yy provides information on how to programme and includes complete parameter descriptions.- Mounting Instruction, Analog I/O Option MCB109, MI.38.Bx.yy- Application Note, Temperature Derating Guide, MN.11.Ax.yy- PC-based Configuration Tool MCT 10, MG.10.Ax.yy enables the user to configure the frequency converter from a Windows™ based PC environ-ment.- Danfoss VLT® Energy Box software atwww.danfoss.com/BusinessAreas/DrivesSolutions then choose PC Software Download- VLT® VLT HVAC Drive Drive Applications, MG.11.Tx.yy- Operating Instructions VLT HVAC Drive Profibus, MG.33.Cx.yy.- Operating Instructions VLT HVAC Drive Device Net, MG.33.Dx.yy- Operating Instructions VLT HVAC Drive BACnet, MG.11.Dx.yy- Operating Instructions VLT HVAC Drive LonWorks, MG.11.Ex.yy- Operating Instructions VLT HVAC Drive Metasys, MG.11.Gx.yy- Operating Instructions VLT HVAC Drive FLN, MG.11.Zx.yy- Output Filter Design Guide, MG.90.Nx.yy- Brake Resistor Design Guide, MG.90.Ox.yyx = Revision numberyy = Language codeDanfoss technical literature is available in print from your local Danfoss Sales Office or online at:www.danfoss.com/BusinessAreas/DrivesSolutions/Documentations/Technical+Documentation.htm1.1.3 Approvals1.1.4 SymbolsSymbols used in this guide.NB!Indicates something to be noted by the reader.Indicates a general warning.1 How to Read this Design Guide VLT® HVAC Drive Design Guide4 MG.11.B9.02 - VLT® is a registered Danfoss trademark1