Danfoss VLT CDS 303 Operating Instructions Manual

Also see for VLT CDS 302: Troubleshooting Operating instructions

Contents

Danfoss VLT CDS 303 Operating Instructions Manual Manual pdf 6 page image

1 Introduction1.1 Introduction130BC396.13Unit controllerStart/stopHigh pressure cutoutReferencePressure sensor 4-20 mAOil solenoidDriveLow Pressure CutoutVFDFigure 1.1 Compressor Drive SystemThe VLT® Compressor Drives utilize and combine Danfossdesign and manufacturing expertise. Our extensiveapplication knowledge of refrigeration, air conditioning,and motion controls ensures an optimized product designand package solution:• A “plug & play” solution• Operational efficiency• Flexibility & best control accuracy• Innovative and reliable solutionThe frequency converter is 100% preset for speed openloop configuration with 0-10 V reference corresponding to1800-5400 RPM for CDS 302 and 1500-6000 RPM for CDS303.Introduction VLT® Compressor Drives CDS 302/CDS 3034 Danfoss A/S © Rev. 2013-07-03 All rights reserved. MG34M42211