Danfoss VLT AQUA Drive FC 202 Operating Instructions Manual

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

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 power. Failure to performinstallation, start-up, and maintenance by qualifiedpersonnel could result in death or serious injury.• Installation, start-up, and maintenance must beperformed by qualified personnel only.WARNINGUNINTENDED STARTWhen the frequency converter is connected to AC mains,the motor may start at any time, causing risk of death,serious injury, equipment, or property damage. Themotor can start by means of an external switch, a serialbus command, an input reference signal from the LCP orLOP, or after a cleared fault condition.• Disconnect the frequency converter from mainswhenever personal safety considerations makeit necessary to avoid unintended motor start.• Press [Off] on the LCP, before programmingparameters.• The frequency converter, motor, and any drivenequipment must be in operational readinesswhen the frequency converter is connected toAC mains.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, could result in death or seriousinjury.1. Stop motor.2. Disconnect AC mains, permanent magnet typemotors, and remote DC-link power supplies,including battery back-ups, UPS, and DC-linkconnections to other frequency converters.3. Wait for the capacitors to discharge fully, beforeperforming any service or repair work. Theduration of waiting time is specified inTable 2.1.Voltage [V] Minimum waiting time [minutes]4 7 15200-240 0.25-3.7 kW 5.5-45 kW380-480 0.37-7.5 kW 11-90 kW525-600 0.75-7.5 kW 11-90 kW525-690 1.1-7.5 kW 11-90 kWHigh voltage may be present even when the warning LEDindicator lights are off.Table 2.1 Discharge TimeSafety VLT® AQUA Drive FC 202 Operating InstructionsMG20MA02 - Rev. 2013-10-29 72 2