American Power Conversion
MX28B2400, MX28B4800
manual
VDC Power Systems
Specs
Install
2 MX28B Block Diagram
Alarm Item
Controls and Indicators
AC Input Wiring
Warranty
Maintenance
LVD Reset
RJ45 Ethernet Connector
Page 1
MX28B1200/2400
MX28B1200/4800
-48
VDC POWER SYSTEMS
User’s Manual
(Document #
990-1148A)
Page 1
Page 2
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Contents
VDC Power Systems
Table of Contents
Commissioning and Preventive Maintenance
APC Worldwide Customer Support Limited Product Warranty
Revision Date Description
Revision History
General Precautions
Safety First
Introduction
How to Use This Manual
General Information
1 MX28B-1200 -48 VDC Power Plant Rectifier Bay
2 MX28B Block Diagram
Mechanical Installation
Installation
Unpacking Equipment
Room / Location
Mounting
Power Bus Connections
2 MX28B-1200-2400 has a maximum
5 Circuit Breaker / LVD Expansion Board
Circuit Breaker/LVD Ribbon Cable Connections
Fuse Alarm Ribbon Cable Connections
AC Power Connections
Ventilation
1 AC Input Wiring
Planning the Battery Installation
Battery Connections
1 Battery Cable Connection Locations
Connecting the Battery Cables
DC System Grounding
2 Battery Probe Connection
DC Plug-in Circuit Breakers
DC Power Output Over-Current Protection
Breaker Part Number Rating
2 Plug-in Circuit Breakers
4 Bolt-in Circuit Breakers
DC Bolt-in Circuit Breakers
5 Telecom Fuses
Telecom Fuses
Plug-in Circuit Breaker Installation
Installation of Circuit Breakers and Fuses
2 Circuit Breaker Alarm Wiring
Bolt-in Circuit Breaker Installation
GMT Fuse Installation
Telecom Fuse Installation
Cable Size Considerations
Load Connections
Circuit Breaker Connections 1 to 50 Amps
Circuit Breaker Connections 60-100 Amps
GMT Fuse Connections
Monitoring and Relay Output Connections
Front Panel DB9 Connection
Smart Cable DB9 Connection
Relay Output Connections
RJ45 Ethernet Connector
NO-NC-C
External Alarm Input Connections
Rectifier Module Installation
Electrical Installation
Commissioning and Preventive Maintenance
Battery Visual and Safety Inspection
Pre-Commissioning Inspection
Commissioning
AC Power Up
Initial Set-up
Battery Power Up
DC Power Up
Rectifier Test
LVD Test
Circuit Breaker/ Fuse Test
Battery Temperature Compensation
User Inputs
Output Relays
Final Inspection
Technical Description
Operation
Rectifier Management
System Output Capacity
System Management
System Voltage Control
System Current
System Status and Alarm Reporting
Battery Management
Battery Charging and Protection
DC Distribution
Battery/Load Low Voltage Disconnect
Controls and Indicators
Front Panel User Interface
Parameter Locations, Descriptions, and Default Values
Status Alarms System Modules Batt PIN OEM
No Alarms
Alarm Item
Address
Switzer
Batt HT Thr
Batt HT Alm
70.0 C
Batt HV Alm
Major
Cir Bkr 1 Alm m+
Cir Bkr 72 Almm+
Comp Hknee
Fuse 16 Alm
Fuse 1 Alm
Hw Batt C Almm+
Minor
LVD Option
LVD Reset
48.00
LVD Trip
Sec
Out-Rly 1 Dly m+
Out-Rly 6 Dly m+
Relay Major
Rect 1 Desc
Disable
MRF28H54
Rect 1ofN Almm+
Sys HV Thr
Sys HV Alm
Sys LT Alm
Sys LT Thr
90025
Time
Control Unit Menu Structure
SYS MS System Module SET-ALM Setup DA
V 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
Front Panel LED Indicators
Alarm Outputs Output Relays
Section
External Alarm Inputs Input Relays
Remote Monitoring
Command and Monitoring Protocol
Description
Physical Connections
System Visual and Safety Inspection
Preventive Maintenance
Equipment
Inspection
System Voltage Test
Test
Rectifier Current Test
System Temperature Test
Rectifier Alarm Test
Battery Current Test
Rectifier Current Share Test
Battery Preventive Maintenance Procedure
Battery Temperature Test
Final Inspection
AC Input
Specifications
1MRF28H54BV Rectifiers
1MRF28H54BV50 Rectifiers
Rectifiers
VDC
Power Shelf Control Unit
Environmental
Mechanical
Compliance
US and Canada
APC Worldwide Customer Support
Toll Free
Worldwide
Limited Product Warranty
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