Emerson NT5C06D manual

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Emerson NT5C06D user manual

Contents

P0831010 Standard 7.00 May Helios Rectifier 25/48 Single Phase -48V, 25 aPage Helios Rectifier 25/48 Single Phase -48V, 25A Page Publication history This page is left blank intentionally Contents Contents List of Tables List of ProceduresList of Figures Shelf This page is left blank intentionally Description Introduction Applications MPS75 NT5C10CX  power shelf 23-inchEquipment Identification MPS75 Modular Power Shelf-NT5C10C with 8-pin signal cables NT5C06D Switch Mode Rectifier Electrical specifications SpecificationsElectrical specifications Heat Dissipation Efficiency and Power FactorOutput noise and ripple Reliability Transportation Environmental specifications OperatingStorage Specifications Installing the power shelf Installation and start upTools and test equipment Procedure 1 Installing the power shelf Step Action Wiring the power shelf Max for each rectifier Installing the AC powerAC cable wire size AWG for each rectifier Power shelf individual AC connection DC Conductors Installation Connecting the DC power shelf Control and Alarm Connections Rectifier 3 fail alarm Rectifier Failure AlarmRectifier 1 fail alarm Rectifier 2 fail alarm Sense Fail AC Line Fail AlarmFan Alarm DC Circuit Breaker A0384387 SIG NAL Cables FRO M Shelves Factory setting Installing the rectifierVerification Rectifier meter accuracy Procedure 4 Starting up the rectifier StepHigh Voltage Shutdown Hvsd Adjustment Float Voltage Adjustment = 52.2 + .15 V = 52.35 Current Limit Verification CL Ii Forced ShareLoad Sharing Forced Load Share Load Share Adjustment ProcedureProcedure 5 Adjusting the load share Step Action Slope Load Share Operation High voltage shutdown Hvsd local FeaturesFront panel controls Local float / equalize control Fan failure alarm Start-up delayIndicators Rectifier failure alarm RFA Remote voltage sensing Sense fail alarm SEN FailLocal ON/OFF control AC breaker Remote ON/OFF control Parallel operation Sequential startDischarge of output capacitors Thermal shutdown Local / remote high voltage shutdown resetPower interface edge connector Input AC voltage monitor Power interface connections Signal interface connector Control signal connections Procedure 6 Adjusting the float / equalize Step MaintenanceFloat / equalize Cooling fan High voltage shutdown HvsdFan failure Fan replacement NT5C06D rear view Power shelf This page is left blank intentionally Alarm indication RFA fault TroubleshootingSystem fault diagnosis Fault symptom Possible causes Fault symptom Possible causes SEN Fail faultErratic load fault Current or voltage float fault CPC Appendix a Replacement parts Appendix a Replacement parts Local toll-free prefixes Appendix B Technical service assistanceCountry Toll-free technical assistance numbers Appendix B Technical service assistanceUnited States Canada Europe Asia and the Pacific List of terms and acronyms Sense Fail Rectifier Fail AlarmNormally Open Northern TelecomPage Part of Emerson Network Power