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MX28B400 +24 VDC User’s Manual Page ii
Table of Contents
1 SAFETY FIRST! .....................................................................................................................1
1.1. WARNING SYMBOLS .........................................................................................................1
1.2. GENERAL PRECAUTIONS: ..................................................................................................1
2 INTRODUCTION ....................................................................................................................2
2.1. GENERAL INFORMATION....................................................................................................2
2.2. HOW TO USE THIS MANUAL ..............................................................................................4
3 INSTALLATION .....................................................................................................................5
3.1. UNPACKING EQUIPMENT ...................................................................................................5
3.2. MECHANICAL INSTALLATION ..............................................................................................5
Room / Location......................................................................................................................5
Mounting.................................................................................................................................5
Ventilation...............................................................................................................................6
3.3. AC POWER CONNECTIONS ...............................................................................................6
3.4. BATTERY CONNECTIONS ...................................................................................................7
Planning the Battery installation..............................................................................................7
Connecting the Cables ...........................................................................................................7
Battery Temperature Probe Installation ..................................................................................8
3.5. DC SYSTEM GROUNDING...........................................................................................9
3.6. DC POWER OUTPUT OVER-CURRENT PROTECTION..........................................................10
DC Circuit Breakers ..............................................................................................................10
Plug-in Circuit Breaker Installation........................................................................................12
Load Cable Size Considerations...........................................................................................12
Circuit Breaker Connections (1 to 50 Amps).........................................................................13
Circuit Breaker Connections (60-100 Amps) ........................................................................13
GMT Fuse Option .................................................................................................................14
3.7. M
ONITORING AND RELAY OUTPUT CONNECTIONS .............................................................14
Front Panel DB9 Connection ................................................................................................14
“Smart” Cable DB9 Connection ............................................................................................14
RJ45 Ethernet Connector .....................................................................................................15
Relay Output Connections....................................................................................................15
3.8. EXTERNAL ALARM INPUT CONNECTIONS ..........................................................................16
3.9. R
ECTIFIER MODULE INSTALLATION...................................................................................17
3.10. INITIAL POWER-UP AND CHECKOUT .................................................................................17
3.11. SYSTEM PARAMETERS VERIFICATION/ADJUSTMENT ..........................................................18
3.12. F
ULL SYSTEM POWER UP ...............................................................................................19
4 OPERATION ........................................................................................................................20
4.1. T
ECHNICAL DESCRIPTION................................................................................................20
4.2. RECTIFIER MANAGEMENT................................................................................................20
AC Input Power.....................................................................................................................20
DC Output Power..................................................................................................................20