Emerson NT5C06D user manual Part of Emerson Network Power

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Helios Rectifer 25/48 Single Phase 48 V, 25 A Power Factor Corrected Switch Mode Rectifier NT5C06D

Installation and User Manual

Astec Advanced Power Systems Ltd

2280 Alfred-Nobel Blvd

St-Laurent ( Quebec ) Canada

H4S 2A4

Copyright 2001 Astec Advanced Power Systems Ltd

All Rights Reserved

The information contained in this manual is the property of Astec Advanced Power Systems and is subject to change without notice. Astec Advanced Power Systems Ltd reserves the right to make changes in design or components as progress in engineering and manufacturing may warrant. Except as specifically authorized in writing by the V.P. of Engineering and Product Manufacturing of Astec Advanced Power Systems Ltd, the holder of this manual shall keep all information contained herein confidential and shall protect same, in whole or in part, from disclosure and dissemination to all third parties, and use the same for start-up, operation, troubleshooting, and maintenance purposes only. Any modification to the equipment must be approved by the person responsible for product safety, and design quality at Astec Advanced Power Systems Ltd to ensure that the equipment complies with the operation standards.

This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions contained in the Installation and User Manuals, can cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user w ill be required to correct the interference at his own expense.

Astec Advanced Power Systems

A part of Emerson Network Power

Helios Candeo is a trademark of Astec International Ltd. The Emerson logo is a trademark and service mark of Emerson Electric Co.

Manual Number : UM5C06D ( 169-2071-504 )

Manual Issue : 7.00

Manual Status : Standard

Release Date : May 2001

P0831010

Published in Canada

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Contents Helios Rectifier 25/48 Single Phase -48V, 25 a P0831010 Standard 7.00 MayPage Helios Rectifier 25/48 Single Phase -48V, 25A Page Publication history This page is left blank intentionally Contents Contents List of Procedures List of FiguresShelf List of TablesThis page is left blank intentionally Introduction DescriptionEquipment Identification MPS75 NT5C10CX  power shelf 23-inchApplications MPS75 Modular Power Shelf-NT5C10C with 8-pin signal cables NT5C06D Switch Mode Rectifier Electrical specifications SpecificationsElectrical specifications Efficiency and Power Factor Output noise and rippleReliability Heat DissipationStorage Environmental specifications OperatingTransportation Specifications Tools and test equipment Installation and start upInstalling the power shelf Wiring the power shelf Procedure 1 Installing the power shelf Step ActionInstalling the AC power AC cable wire sizeAWG for each rectifier Max for each rectifierDC Conductors Installation Power shelf individual AC connectionControl and Alarm Connections Connecting the DC power shelfRectifier Failure Alarm Rectifier 1 fail alarmRectifier 2 fail alarm Rectifier 3 fail alarmAC Line Fail Alarm Fan AlarmDC Circuit Breaker Sense FailA0384387 SIG NAL Cables FRO M Shelves Verification Installing the rectifierFactory setting Procedure 4 Starting up the rectifier Step High Voltage Shutdown Hvsd AdjustmentFloat Voltage Adjustment Rectifier meter accuracy= 52.2 + .15 V = 52.35 Load Sharing Ii Forced ShareCurrent Limit Verification CL Load Share Adjustment Procedure Procedure 5 Adjusting the load share Step ActionSlope Load Share Forced Load ShareOperation Features Front panel controlsLocal float / equalize control High voltage shutdown Hvsd localStart-up delay IndicatorsRectifier failure alarm RFA Fan failure alarmSense fail alarm SEN Fail Local ON/OFF control AC breakerRemote ON/OFF control Remote voltage sensingDischarge of output capacitors Sequential startParallel operation Local / remote high voltage shutdown reset Power interface edge connectorInput AC voltage monitor Thermal shutdownSignal interface connector Power interface connectionsControl signal connections Float / equalize MaintenanceProcedure 6 Adjusting the float / equalize Step Fan failure High voltage shutdown HvsdCooling fan Fan replacement NT5C06D rear view Power shelf This page is left blank intentionally System fault diagnosis Fault symptom Possible causes TroubleshootingAlarm indication RFA fault SEN Fail fault Erratic load faultCurrent or voltage float fault Fault symptom Possible causesAppendix a Replacement parts CPCAppendix a Replacement parts Country Appendix B Technical service assistanceLocal toll-free prefixes United States Canada Europe Asia and the Pacific Appendix B Technical service assistanceToll-free technical assistance numbers List of terms and acronyms Rectifier Fail Alarm Normally OpenNorthern Telecom Sense FailPage Part of Emerson Network Power