iv
3.1.1
Checking the Installation ........................................................................................................ 14
3.1.2
Starting/Stopping the A75D(E) ............................................................................................ 14
3.1.3
Start-Up Sequence ................................................................................................................. 14
3.2
The Digital Display .................................................................................................................... 15
3.3
Understanding the Alarms .......................................................................................................... 15
3.4
Selecting the Charging Mode ...................................................................................................... 17
3.4.1
Equalize Timer Modes ............................................................................................................ 17
3.5
Adjusting Parameters ................................................................................................................. 18
3.5.1
Customer Calibration Mode ..................................................................................................... 18
3.6
Setting the Float Voltages .......................................................................................................... 19
3.7
Setting the Equalize Voltage ....................................................................................................... 19
4
Service ............................................................................................................................................. 21
4.1
Performing Routine Maintenance ................................................................................................ 21
4.2
Troubleshooting Procedure ......................................................................................................... 22
4.3
Troubleshooting Chart ............................................................................................................... 23
4.4
Service Procedures .................................................................................................................... 24
4.3.1
S2A-362 (Control Card) .......................................................................................................... 25
4.3.2
S2A-225C (Display Driver Card) .............................................................................................. 25
4.3.3
S2A- 364 (Customer Connection Card) ..................................................................................... 25
4.3.4
S2A-360S (12 VDC Power Supply) ........................................................................................... 26
4.3.5
Heatsink Assembly ................................................................................................................. 27
4.3.6
Filter Capacitors ..................................................................................................................... 28
4.3.7
S2A-172 (Reverse Polarity Card) ............................................................................................. 29
4.3.8
Fuses (Reverse Polarity Option) .............................................................................................. 29
4.3.9
S2A-198B (12V Relay Card) .................................................................................................... 29
4.3.10
S2A-302S (Communication Card) ......................................................................................... 30
4.5
Ordering Replacement Parts ....................................................................................................... 30
Appendix A: A75D(E) Specifications ........................................................................................................... 31
Appendix B: A75D(E) Current Draw and Feeder Breaker Sizes ..................................................................... 32
Appendix C: A75D(E) Heat Losses ............................................................................................................. 33
Appendix D: Field Installable Accessory Kits ............................................................................................... 33
Appendix E: Manufacturer’s Warranty ........................................................................................................ 34
Appendix F: Document Control and Revision History ................................................................................... 35
