Altivar 21 - Schneider Electric

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Important informationPLEASE NOTEPlease read these instructions carefully and examine the equipment in order to familiarize yourself with the device before installing,operating or carrying out any maintenance work on it.The following special messages that you will come across in this document or on the device are designed to warn you about potential risksor draw your attention to information that will clarify or simplify a procedure.The addition of this symbol to a “Danger” or “Warning” safety label indicates that there is an electrical risk that will resultin injury if the instructions are not followed.This is a safety warning symbol. It warns you of the potential risk of injury. You must comply with all safety messages thatfollow this symbol in order to avoid the risk of injury or death.DANGERDANGER indicates an imminently hazardous situation which, if not avoided, will result in death, serious injury or equipmentdamage.WARNINGWARNING indicates a potentially hazardous situation which, if not avoided, can result in death, serious injury or equipment damage.CAUTIONCAUTION indicates a potentially hazardous situation which, if not avoided, can result in injury or equipment damage.PLEASE NOTE:Only qualified personnel are authorized to carry out maintenance work on electrical equipment. Schneider Electric accepts no responsibilityfor the consequences of using this device. This document does not constitute an instruction manual for inexperienced personnel.© 2008 Schneider Electric. All rights reserved.4
Before you beginRead and follow these precautions before beginning any procedure with this drive.DANGERHAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH• Read and understand this manual before installing or operating the Altivar 21 (ATV21) drive. Installation, adjustment, repair, andmaintenance must be performed by qualified personnel.• The user is responsible for compliance with all international and national electrical code requirements with respect to grounding ofall equipment.• Many parts of this drive, including the printed circuit boards, operate at the line voltage. DO NOT TOUCH. Use only electricallyinsulated tools.• DO NOT touch unshielded components or terminal strip screw connections with voltage present.• DO NOT short across terminals PA/+ and PC/– or across the DC bus capacitors.• Before servicing the drive:- Disconnect all power.- Place a “DO NOT TURN ON” label on all power disconnects.- Lock all power disconnects in the open position.- Disconnect all power, including external control power that may be present, before servicing the drive. WAIT 15 MINUTES to allowthe DC bus capacitors to discharge. Then follow the “Bus Voltage Measurement Procedure” on page 25 to verify that the DCvoltage is less than 45 V. The drive LED is not an indicator of the absence of DC bus voltage.• Install and close all covers before applying power or starting and stopping the drive.Failure to follow these instructions will result in death or serious injury.UNINTENDED EQUIPMENT OPERATIONDANGERBefore turning on the drive or upon exiting the configuration menus, ensure that the inputs assigned to the Run command are in a statethat will not cause the drive to run. Otherwise, the motor can start immediately.Failure to follow these instructions will result in death, serious injury, or equipment damage.LOSS OF CONTROLWARNING• The designer of any control scheme must consider the potential failure modes of control paths and, for certain critical controlfunctions, provide a means to achieve a safe state during and after a path failure. Examples of critical control functions are emergencystop and overtravel stop.• Separate or redundant control paths must be provided for critical control functions.• System control paths may include communication links. Consideration must be given to the implications of unanticipated transmissiondelays or failures of the link (1).• Each implementation of an Altivar 21 drive must be individually and thoroughly tested for proper operation before being placed intoservice.Failure to follow these instructions can result in death, serious injury, or equipment damage.(1)For additional information refer to NEMA ICS 1.1 (latest edition), “Safety Guidelines for the Application, Installation, and Maintenance ofSolid State Control” and to NEMA ICS 7.1 (latest edition), “Safety Standards for Construction and Guide for Selection, Installation andOperation of Adjustable-Speed Drive Systems.”5
Page 1: Altivar 21Installation ManualRetain
Page 6 and 7: Before you beginLOSS OF CONTROLWARN
Page 8 and 9: Preliminary recommandationsBefore i
Page 10: Dimensions and weightsThe figures b
Page 14 and 15: Mounting and temperature conditions
Page 16 and 17: Mounting and temperature conditions
Page 18 and 19: Position of the charging LEDBefore
Page 20 and 21: WiringWiring recommendationsGood wi
Page 22 and 23: TerminalsHow to open the front cove
Page 24 and 25: TerminalsR/L1 S/L2 T/L3 U/T1 V/T2 W
Page 26 and 27: TerminalsControl terminalsConnect t
Page 28 and 29: TerminalsConnection diagramThree-ph
Page 30 and 31: Use on an impedance grounded system
Page 32 and 33: Electromagnetic compatibilityThe AT

Altivar 21 - Schneider Electric

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