American Power Conversion MX28B400 Unpacking Equipment, Mechanical Installation, Mounting

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3 Installation

3.1. Unpacking Equipment

Remove equipment from packing material and inspect for shipping damage or missing items. It is important to report damage or material shortages to the shipping carrier while a representative is on site.

If concealed damage or material shortages are found at a later time, contact the shipper to make arrangements for inspection and claim filing. Refer to Section 7 in the event it is necessary to return equipment to APC.

CAUTION: Appropriate lifting techniques and safety equipment should be used to remove equipment from packing.

PLEASE RECYCLE: The shipping materials can be recycled. Please save them for later use or dispose accordingly.

3.2. Mechanical Installation

Room / Location

NOTE: The APC Model MX28B power plant is to be installed in a room, vault, or similar enclosure that is accessible only to qualified persons in accordance with the NEC or the local authority having jurisdiction.

Prior to installation, drawings, floor loading requirements, external alarm points, ac service entrance, and grounding schemes should all be checked and confirmed. If batteries are to be mounted in a room separate from the power plant, careful attention should be paid to battery cable voltage drop effects. Environmental operating temperatures and ventilation/cooling considerations should also be noted, not just for the power system but also for all other equipment that may reside in the power room area.

Mounting

This unit can be front or mid-mounted on standard 23-inch rails.

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 ConnectionsBattery Connections Planning the Battery installationConnecting the Cables 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 Operation Technical DescriptionRectifier Management System Management System Status and Alarm ReportingSystem Output Capacity System Voltage ControlBattery Charging and Protection Battery ManagementBattery Temperature Compensation DC DistributionControls and Indicators Battery/Load Low Voltage DisconnectFront Panel User Interface 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 UnitMechanical EnvironmentalCompliance APC Worldwide Customer Support Limited Product Warranty