Danfoss VLT AutomationDrive FC 360 Programming Manual

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Danfoss VLT AutomationDrive FC 360 Programming Manual Manual pdf 15 page image

2 Safety2.1 Safety SymbolsThe following symbols are used in this document:WARNINGIndicates a potentially hazardous situation which couldresult in death or serious injury.CAUTIONIndicates a potentially hazardous situation which couldresult in minor or moderate injury. It may also be usedto alert against unsafe practices.NOTICEIndicates important information, including situations thatmay 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 frequency converter. Onlyqualified personnel is allowed to install or operate thisequipment.Qualified personnel is defined as trained staff, who areauthorised to install, commission, and maintain equipment,systems and circuits in accordance with pertinent laws andregulations. Additionally, the personnel must be familiarwith the instructions and safety measures described in thisdocument.2.3 Safety PrecautionsWARNINGHIGH VOLTAGEFrequency converters contain high voltage whenconnected to AC mains input, DC power supply, or loadsharing. Failure to perform installation, start-up, andmaintenance by qualified personnel can result in deathor serious injury.• Installation, start-up, and maintenance must beperformed by qualified personnel only.WARNINGUNINTENDED STARTWhen the frequency converter is connected to AC mains,DC power supply, or load sharing, the motor may start atany time. Unintended start during programming, serviceor repair work can result in death, serious injury, orproperty damage. The motor can start by means of anexternal switch, a serial bus command, an inputreference signal from the LCP, or after a cleared faultcondition.To prevent unintended motor start:• Disconnect the frequency converter from mains.• Press [Off/Reset] on the LCP, beforeprogramming parameters.• The frequency converter, motor, and any drivenequipment must be fully wired and assembledwhen the frequency converter is connected toAC mains, DC power supply, or load sharing.WARNINGDISCHARGE TIMEThe frequency converter contains DC-link capacitors,which can remain charged even when the frequencyconverter is not powered. Failure to wait the specifiedtime after power has been removed before performingservice or repair work, can result in death or seriousinjury.• Stop motor.• Disconnect AC mains and remote DC-link powersupplies, including battery back-ups, UPS, andDC-link connections to other frequencyconverters.• Disconnect or lock PM motor.• Wait at least 4 minutes for the capacitors todischarge fully, before performing any serviceor repair work.WARNINGLEAKAGE CURRENT HAZARDLeakage currents exceed 3.5 mA. Failure to ground thefrequency converter properly can result in death orserious injury.• Ensure correct grounding of the equipment bya certified electrical installer.Safety Programming GuideMG06C402 Danfoss A/S © Rev. 2014-03-31 All rights reserved. 132 2