Danfoss VLT AQUA Drive Design Manual

Also see for vlt aqua: Instructions Design guide Instruction manual Operating instructions Design guide

Contents

quency drive, or if a temporary overload or a fault in the supply line or the motor connectionceases.Warning:Touching the electrical parts may be fatal - even after the equipment has been dis-connected from line power.Also, make sure that other voltage inputs have been disconnected, such as external 24 V DC, loadsharing (linkage of DC intermediate circuit), as well as the motor connection for kinetic backup.Refer to VLT ® AQUA Drive Instruction Manual MG.20.MX.YY for further safety guidelines.2.1.2. CautionThe adjustable frequency drive DC link capacitors remain charged after power hasbeen disconnected. To avoid the risk of electric shock, disconnect the adjustablefrequency drive from line power before performing maintenance procedures. Waitat least as long as follows before servicing the adjustable frequency drive:Voltage Min. Waiting Time4 min. 15 min.200 - 240 V 1.5-4 hp [1.1-3.7 kW] 7.5-60 hp [5.5-45 kW]380 - 480 V 1.5-10 hp [1.1-7.5 kW] 15-125 hp [11-90 kW]Be aware that there may be high voltage on the DC link even when the LEDs are turned off.2.1.3. Disposal InstructionsEquipment containing electrical components may not be disposed oftogether with domestic waste.It must be collected separately as electrical and electronic waste inaccordance with local and currently valid legislation.2. Introduction to the VLT AQUA Drive VLT® AQUA Drive Design Guide12 MG.20.N2.22 - VLT® is a registered Danfoss trademark.2