American Power Conversion MX28B4800, MX28B2400 manual Safety First, General Precautions

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1 Safety First!

It is very important to follow all safety procedures when unpacking, installing and operating any sort of power equipment.

1.1. Warning Symbols

CAUTION: An indication that special care is required to prevent injury, equipment damage or misuse

WARNING: An indication of an electrical hazard that may cause serious personal injury or death, catastrophic equipment damage or site destruction.

1.2. General Precautions:

WARNING: The DC power plant is supplied from a nominal 220VAC, 50/60 Hz source. Keep the AC input enclosure cover in place when the system is operational or energized

WARNING: Hazardous energy levels are present on bare conductors in the - 48VDC distribution connection area of the plant. Accidental shorting of distribution conductors can cause arcing and high currents that can cause serious burns or other physical harm. It is recommended that:

a.Any jewelry, rings or watches be removed while working on this equipment.

b.Handles of all wrenches, screwdrivers, cutters and pliers are insulated.

WARNING: Ensure that all of the DC and external AC circuit breakers are in the OFF position prior to connecting service to the power plant. Confirm that all voltages have been removed including any battery sources before proceeding.

Specific CAUTION and WARNING will be placed in manual where appropriate.

MX28B1200/2400 MX28B1200/4800 –48 VDC User’s Manual

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Contents VDC Power Systems Table of Contents Commissioning and Preventive Maintenance APC Worldwide Customer Support Limited Product Warranty Revision History Revision Date DescriptionSafety First General PrecautionsHow to Use This Manual IntroductionGeneral Information 1 MX28B-1200 -48 VDC Power Plant Rectifier Bay 2 MX28B Block Diagram Unpacking Equipment InstallationMechanical Installation Room / LocationPower Bus Connections Mounting2 MX28B-1200-2400 has a maximum Circuit Breaker/LVD Ribbon Cable Connections 5 Circuit Breaker / LVD Expansion BoardAC Power Connections Fuse Alarm Ribbon Cable ConnectionsVentilation 1 AC Input Wiring Battery Connections Planning the Battery InstallationConnecting the Battery Cables 1 Battery Cable Connection Locations2 Battery Probe Connection DC System GroundingDC Power Output Over-Current Protection DC Plug-in Circuit BreakersBreaker Part Number Rating 2 Plug-in Circuit Breakers DC Bolt-in Circuit Breakers 4 Bolt-in Circuit BreakersTelecom Fuses 5 Telecom FusesInstallation of Circuit Breakers and Fuses Plug-in Circuit Breaker InstallationBolt-in Circuit Breaker Installation 2 Circuit Breaker Alarm WiringTelecom Fuse Installation GMT Fuse InstallationCircuit Breaker Connections 1 to 50 Amps Load ConnectionsCable Size Considerations Circuit Breaker Connections 60-100 AmpsFront Panel DB9 Connection Monitoring and Relay Output ConnectionsGMT Fuse Connections Smart Cable DB9 ConnectionRJ45 Ethernet Connector Relay Output ConnectionsExternal Alarm Input Connections NO-NC-CRectifier Module Installation Battery Visual and Safety Inspection Commissioning and Preventive MaintenanceElectrical Installation Pre-Commissioning InspectionAC Power Up CommissioningInitial Set-up Rectifier Test DC Power UpBattery Power Up LVD TestUser Inputs Battery Temperature CompensationCircuit Breaker/ Fuse Test Output RelaysFinal Inspection Operation Technical DescriptionRectifier Management System Voltage Control System ManagementSystem Output Capacity System CurrentBattery Charging and Protection Battery ManagementSystem Status and Alarm Reporting DC DistributionControls and Indicators Battery/Load Low Voltage DisconnectFront Panel User Interface Status Alarms System Modules Batt PIN OEM Parameter Locations, Descriptions, and Default ValuesAddress Alarm ItemNo Alarms Switzer70.0 C Batt HT AlmBatt HT Thr Batt HV AlmCir Bkr 72 Almm+ Cir Bkr 1 Alm m+Major Comp HkneeHw Batt C Almm+ Fuse 1 AlmFuse 16 Alm Minor48.00 LVD ResetLVD Option LVD TripOut-Rly 6 Dly m+ Out-Rly 1 Dly m+Sec Relay MajorMRF28H54 DisableRect 1 Desc Rect 1ofN Almm+Sys LT Alm Sys HV AlmSys HV Thr Sys LT ThrTime 90025SYS MS System Module SET-ALM Setup DA Control Unit Menu StructureV e l C o n d L e v e l I r d L e v e l U r t h L e v e l SYS Sysin Modrec AM Info Modfuse LM Alias Fuse MOD Modlvd Modlvd LM Param Alarm Outputs Output Relays Front Panel LED IndicatorsSection External Alarm Inputs Input Relays Description Command and Monitoring ProtocolRemote Monitoring Physical ConnectionsEquipment Preventive MaintenanceSystem Visual and Safety Inspection InspectionTest System Voltage TestRectifier Current Test Battery Current Test Rectifier Alarm TestSystem Temperature Test Rectifier Current Share TestBattery Temperature Test Battery Preventive Maintenance ProcedureFinal Inspection 1MRF28H54BV Rectifiers SpecificationsAC Input 1MRF28H54BV50 RectifiersVDC RectifiersPower Shelf Control Unit Mechanical EnvironmentalCompliance Toll Free APC Worldwide Customer SupportUS and Canada WorldwideLimited Product Warranty