Danfoss VLT AQUA Drive FC 202 Design 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 PersonnelOnly qualified personnel are allowed to install or operatethis 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.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 40 minutes afterpower has been removed before performing service orrepair work can result in death or serious injury.1. Stop the motor.2. Disconnect AC mains and remote DC-linksupplies, including battery back-ups, UPS, andDC-link connections to other drives.3. Disconnect or lock motor.4. Wait 40 minutes for the capacitors to dischargefully.5. 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.NOTICEMAINS SHIELD SAFETY OPTIONA mains shield option is available for enclosures with aprotection rating of IP21/IP 54 (Type 1/Type 12). Themains shield is a cover installed inside the enclosure toprotect against the accidental touch of the powerterminals, according to BGV A2, VBG 4.Safety Design GuideMG22B102 Danfoss A/S © 05/2017 All rights reserved. 52 2