American Power Conversion MX28B400 user 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 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 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:

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

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.

MX28B400 +24 VDC User’s Manual

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Contents Page Table of Contents Remote Monitoring Revision Date Description Revision HistoryGeneral Precautions Safety FirstGeneral Information Introduction2 MX28B-400 +24 Vdc System Wiring Diagram with Battery LVD How to Use This Manual Mechanical Installation InstallationUnpacking Equipment Room / LocationVentilation AC Power ConnectionsConnecting the Cables Battery ConnectionsPlanning the Battery installation 2 Battery Temperature Probe Installation Battery Temperature Probe InstallationDC System Grounding DC Circuit Breakers DC Power Output Over-Current ProtectionBreaker Part Number Adaptor Size Rating Load Cable Size Considerations Plug-in Circuit Breaker InstallationCircuit Breaker Connections 60-100 Amps Circuit Breaker Connections 1 to 50 AmpsGMT Fuse Option Monitoring and Relay Output ConnectionsFront Panel DB9 Connection Smart Cable DB9 ConnectionRelay Output Connections RJ45 Ethernet ConnectorNO-NC-C External Alarm Input ConnectionsInitial Power-Up and Checkout Rectifier Module InstallationBattery Maximum Recharge Rate default = 12A System Parameters Verification/AdjustmentFull System Power Up Rectifier Management OperationTechnical Description System Management System Status and Alarm ReportingSystem Output Capacity System Voltage ControlBattery Charging and Protection Battery ManagementBattery Temperature Compensation DC DistributionFront Panel User Interface Controls and IndicatorsBattery/Load Low Voltage Disconnect Parameter Locations, Descriptions, and Default Values Status Alarms System Modules Batt PIN OEMNo Alarms Alarm ItemAddress Switzer Av22.00 MinorBatt Max Rechm+ 50 aComp Method m+ Comp LkneeComp TC 00mVHw Batt C Almm+ Fuse 1 AlmHw Batt T Almm+ Hw LVD AlmLVD Reset DisableLamp Test LVD OptionRelay Out-RlyOut-Rly 1 Dly m+ SecRect 1 CL Rect CL AlmRect 1 Curr 24.9Rect 1 Stdby Rect Stdby Almm+Store Cfg Sys Current26.7 Sys TempSys Voltage Test Maj RlyControl Unit Menu Structure Status AlarmsV 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 Sysout AP Alias MOD Modrec EM Modules Batt Rect Conv CIR SET-ALM Param MOD Modcir MOD Modlvd MT LVD SET-ALM Param Front Panel LED Indicators External Alarm Inputs Input Relays Alarm Outputs Output RelaysRemote Monitoring Command and Monitoring ProtocolDescription Physical ConnectionsAC Input Specifications1MRF28H27BV Rectifiers 1MRF28H27BV50 RectifiersRectifiers DC Output with either RectifierPscu Power Shelf Control UnitCompliance MechanicalEnvironmental APC Worldwide Customer Support Limited Product Warranty