Danfoss VLT AQUA Drive FC 202 Operating Manual

Also see for VLT AQUA Drive FC 202: Service guide Installation guide Installation guide Operating guide Installation guide

Contents

2 Safety2.1 Safety SymbolsThe following symbols are used in this guide:WARNINGIndicates a potentially hazardous situation that couldresult in death or serious injury.CAUTIONIndicates a potentially hazardous situation that couldresult in minor or moderate injury. It can also be used toalert against unsafe practices.NOTICEIndicates important information, including situations thatcan result in damage to equipment or property.2.2 Qualified PersonnelCorrect and reliable transport, storage, installation,operation, and maintenance are required for the trouble-free and safe operation of the drive. Only qualifiedpersonnel are allowed to install or operate this equipment.Qualified personnel are defined as trained staff, who areauthorized to install, commission, and maintain equipment,systems, and circuits in accordance with pertinent laws andregulations. Also, the personnel must be familiar with theinstructions and safety measures described in this manual.2.3 Safety PrecautionsWARNINGHIGH VOLTAGEDrives contain high voltage when connected to AC mainsinput, DC supply, load sharing, or permanent motors.Failure to use qualified personnel to install, start up, andmaintain the drive can result in death or serious injury.• Only qualified personnel must install, start up,and maintain the drive.WARNINGUNINTENDED STARTWhen the drive is connected to the AC mains, DC supply,or load sharing, the motor can start at any time.Unintended start during programming, service, or repairwork can result in death, serious injury, or propertydamage. The motor can start with an external switch, afieldbus command, an input reference signal from theLCP or LOP, via remote operation using MCT 10 Set-upSoftware, or after a cleared fault condition.To prevent unintended motor start:• Press [Off/Reset] on the LCP beforeprogramming parameters.• Disconnect the drive from the mains.• Completely wire and assemble the drive, motor,and any driven equipment before connectingthe drive to the AC mains, DC supply, or loadsharing.WARNINGDISCHARGE TIMEThe drive contains DC-link capacitors, which can remaincharged even when the drive is not powered. Highvoltage can be present even when the warning LEDindicator lights are off. Failure to wait the specified timeafter power has been removed before performing serviceor repair work can result in death or serious injury.• Stop the motor.• Disconnect AC mains and remote DC-link powersupplies, including battery back-ups, UPS, andDC-link connections to other drives.• Disconnect or lock PM motor.• Wait for the capacitors to discharge fully. Theminimum waiting time is 20 minutes.• Before performing any service or repair work,use an appropriate voltage measuring device tomake sure that the capacitors are fullydischarged.WARNINGLEAKAGE CURRENT HAZARDLeakage currents exceed 3.5 mA. Failure to ground thedrive properly can result in death or serious injury.• Ensure the correct grounding of the equipmentby a certified electrical installer.Safety Operating GuideMG21A502 Danfoss A/S © 09/2018 All rights reserved. 52 2