
3
Table of Contents
Important Safety Instructions ....................................................................................................................... 1
Table of Figures........................................................................................................................................... 4
Model Scope/General Description.................................................................................................................. 5
Understanding the Model Number................................................................................................................. 5
Optional Accessories Included in the Charger ................................................................................................ 5
1.0
Equipment Handling.......................................................................................................................... 6
1.1
Storing the A12B........................................................................................................................... 6
1.2
Moving the A12B........................................................................................................................... 6
2.0
Installing the A12B ........................................................................................................................... 7
2.1
Mounting the A12B........................................................................................................................ 7
2.1.1
Wall-Mounting the A12B ............................................................................................................ 8
2.1.2
Floor-Mounting the A12B (All Enclosures).................................................................................... 9
2.2
Making the AC Input Connections..................................................................................................10
2.3
Configuring the DC Output Connections.........................................................................................11
3.0
Operation........................................................................................................................................11
3.1
A12B Startup ...............................................................................................................................11
3.2
Checking the Installation ..............................................................................................................11
3.3
Charging Modes ...........................................................................................................................13
3.4
Output Voltage Adjustments .........................................................................................................13
3.5
Power Failure Alarm .....................................................................................................................14
3.5.1
Remote Alarm Connection Procedure .........................................................................................14
4.0
Frequently Asked Questions .............................................................................................................15
5.0
Service............................................................................................................................................16
5.1
Preventive Maintenance Procedure ................................................................................................16
5.2
Troubleshooting Procedure ...........................................................................................................17
5.3
Troubleshooting Chart ..................................................................................................................18
Appendix A: A12B Specifications ..................................................................................................................20
Appendix B: A12B Current Draw (12VDC / 24VDC Systems) .......................................................................21
Appendix C: Power Wiring Guide .................................................................................................................23
Appendix D: Diode Troubleshooting and Replacement...................................................................................24
Appendix E: Manufacturer’s Standard Warranty ............................................................................................25
Appendix F: Manufacturer’s Extended Parts Warranty ...................................................................................26
Appendix G: Document Control and Revision History.....................................................................................27