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52 Maintenance

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UM5C05C P0745680 Standard 6.00 October 2001

Emerson Energy Systems

Image 52

Emerson 200I/48-NT5C05C user manual This page is left blank intentionally

Contents

Helios Modular Switch Mode Rectifier 200I/48 NT5C05C Page Emerson Energy Systems Page Publication history This page is left blank intentionally Contents List of Figures List of ProceduresList of Tables Ac female plug in a 1200 a cabinet This page is left blank intentionally General information Purpose of this manual Models and mounting configurations Typical mounting in a cabinet or frame Specifications Mechanical and electrical specifications Operation specifications and ambient conditions Ambient conditions for the rectifier Operating ConditionsTransportation Storage conditions Ambient conditions of a 1200 a cabinet Mechanical specifications of the NT6C43CB 1200 a cabinetOutput voltage Installation Mounting configurationsTools and test equipment Protecting the premises Personal safety and protecting the equipment Preventing damage caused by over-tighteningPreventing personal injury Optimizing the life of the equipment Protecting against electrical shocks Installing in a frame Installing in a cabinetProcedure 1 Installing the rectifier in a frame Step Action Short circuit hazard Procedure 2 Installing a rectifier in a cabinet Step Action Anchoring the cabinet Cabling and connecting Installing the rectifier Connecting the dc output terminals to the busbars Connecting ac to the rectifiers Electrical connections should meet standards Hazardous potentials Cabling ac the NT5C05CA / CB rectifiers Connecting ac to the rectifier NT5C05CC Connecting the control signals Controller NT NT6C25BA or NT6C25BB Monitoring of the shunt current Pin assignment for connectors J7 to J12Function Input/ Output Pin assignment for connector J13 Function Overview Input circuit Functional descriptionOutput circuit Monitoring and control circuits Output capacitorsDescription of the front panel Breakers DC circuit breaker AC breaker Switches, controls and LEDs Front panel controls and LEDs CL current limit indicator FAN ALM fan failure alarmFront panel LEDs AC on ac voltage monitoring RFA rectifier failure alarm SEN Fail sense fail alarmLocal and remote adjustments and controls Hvsd high voltage shutdown Rectifier input / output signals to the controller Switches DescriptionDesignation Description Volt / AMP digital meter switch Remote equalize control EQL Rectifier parallel operation Slope sharing SLS Forced sharing FS Local and remote Hvsd reset Remote Hvsd Setting the start-up delay Switch Position Delay SEC Control signals on connector P1 Start up delay DIP switchRemote on / OFF control TR CB OFF NC This page is left blank intentionally Standard settings for the rectifier Parameter Setting Standard settingsOperation Procedure 9 Starting up the rectifier Step Action Starting up and adjustingAdjusting the high voltage shutdown Hvsd Adjusting the slope share Adjusting the equalize voltage EQLVerifying the current limit Adjusting the forced load sharing Replacing the air filter MaintenanceReplacing the fan unit Preventing short circuits Calibrating the Volt / Amp MultimeterRe-assembling Resetting the rectifier after an Hvsd high voltage shutdown Remotely This page is left blank intentionally Troubleshooting Diagnosing system faults Fault symptom Possible causes Troubleshooting Appendix a Replacement parts Part Number CPC Appendix a Recommended Replacement Parts Local toll-free prefixes Appendix B Technical service assistanceCountry Prefix United States Canada Europe Asia and the Pacific Toll-free technical assistance numbersCaribbean and Latin America Middle-East Cala Abbreviations and acronyms RFA Page Helios Modular Switch Mode Rectifier 200I/48 NT5C05C