
TABLE OF CONTENTS
iii
2.3 Setting the AT30 parameters
2.3.1 Understanding parameter settings ...........................................................30
2.3.2 Setting the Float and Equalize voltages ...................................................31
2.3.3 Setting the Equalize timer ....................................................................... 32
2.3.4 Setting the Alarms.................................................................................. 32
Setting the high and low dc voltage alarms...............................................33
Adjusting ground detection sensitivity ......................................................34
Disabling the ground detection alarm....................................................... 35
2.3.5 Setting the Current Limit value ................................................................35
2.3.6 Enabling the high dc voltage shutdown feature......................................... 36
2.3.7 Adjusting the Voltmeter accuracy.............................................................37
2.3.8 Using the Low Level Detector (LLD) ........................................................ 38
2.3.9 Using the front panel security feature....................................................... 39
2.4 Performing routine maintenance.................................................................... 40
Sample preventive maintenance procedure.................................................... 42
3 Servicing the AT30 Battery Charger
3.1 A step-by-step troubleshooting procedure...................................................... 44
3.2 Interpreting front panel error messages..........................................................45
3.3 Using the troubleshooting chart.....................................................................48
3.4 Troubleshooting chart begins on.................................................................... 49
3.5 Replacing defective components...................................................................58
3.6 Ordering replacement parts...........................................................................62
APPENDIX A: AT30 Performance Specifications.............................................................64
APPENDIX B: Field Installable Accessories .................................................................... 65
APPENDIX C: Standard Drawings *
Outline: AT30 Batt Chgr NEMA-1 Style-5018 / -5030 / -163 Enclosure..........................66 / 68 / 70
Internal Component Layout: AT30 Style-5018 / -5030 / -163 Encl w/Common Opts.....72 / 74 / 76
Instrument Panel / PC Board Detail: AT30 Series Battery Charger..............................................78
Schematic: AT30 Series Battery Charger - Standard w/o Options...............................................80
Schematic: AT30 Series Battery Charger - with Common Options ..............................................82
Connection Diagram: AT30 Battery Charger - Power Wiring w/Common Options.......................84
Connection Diagram: AT30 Battery Charger - Control (Signal) Wiring.........................................86
Connection Detail: AT30 Battery Charger - I/O Panels & Rectifier Assemblies............................88
APPENDIX D: Recommended Float/Equalize Voltages / Temp. Compensation ............. 90
APPENDIX E: DNP3 Level 2 / Modbus Communications Module..................................... 91
APPENDIX F: Forced Load Sharing.................................................................................92
APPENDIX G: CE Grounding Compliance ....................................................................... 94
APPENDIX H: Remote Shutdown..................................................................................... 95
APPENDIX J: Battery Open Alarm................................................................................... 96
MANUAL SPECIFICATIONS........................................................................................... 100
RELATED DOCUMENTS (web-based content).......................................... Inside Back Cover
* Acustomized record drawing package is available for your particular AT30, featuring an
itemized internal component layout, electrical schematic with component ratings, and a full
connection diagram. If thestandard drawings featured in this manual are not sufficient, please
contact your Sales Representative for drawing availability from the AT30 manufacturer.