
iii
Table of Contents
Important Safety Instructions .......................................................................................................................
Electrical Safety ....................................................................................................................................... i
Mechanical Safety .................................................................................................................................... i
Battery Safety ......................................................................................................................................... i
Unit Location .......................................................................................................................................... ii
Check for Damages ................................................................................................................................ ii
Returns for Service ................................................................................................................................. ii
Inspection Checklist ............................................................................................................................ ii
Handling ................................................................................................................................................ ii
Table of Contents ..................................................................................................................................... iii
Table of Figures ........................................................................................................................................ v
Model Scope/General Description ............................................................................................................... vi
Understanding the Model Number .............................................................................................................. vi
Optional Accessories Included in the Unit .................................................................................................... vi
1
Equipment Handling ............................................................................................................................ 1
1.1
Storing the A75D(E) .................................................................................................................... 1
1.2
Moving the A75D(E) .................................................................................................................... 1
2
Installing the A75D(E) ......................................................................................................................... 2
2.1
Mounting The A75D(E) ................................................................................................................ 2
2.1.1
Wall-Mounting the A75D(E) (4B75 & 475 Only) .......................................................................... 3
2.1.2
Floor-Mounting the A75D(E) (All Cases) ..................................................................................... 4
2.1.3
Rack-Mounting the A75D(E) ..................................................................................................... 5
2.2
Changing Transformer Taps ......................................................................................................... 6
2.3
Making the AC Input Connections ................................................................................................. 7
2.4
Making the DC Output Connections ............................................................................................... 8
2.5
Alarms........................................................................................................................................ 9
2.5.1
Standard Alarms ...................................................................................................................... 9
2.5.2
Discrete Alarm Relay Board (Option 46R) ................................................................................... 9
2.5.3
Alarm Relay Contact States ....................................................................................................... 9
2.5.4
Alarm Connection Procedure ................................................................................................... 10
2.6
Installing External Temperature Compensation (Option 11W/11Y) ................................................. 11
2.7
Enabling Load Sharing ............................................................................................................... 12
2.7.1
Remote Equalize Terminal (Option 57R) .................................................................................. 12
2.8
Installing Ground Detection Connection ....................................................................................... 13
2.9
Optional Communication Cards ................................................................................................... 13
3
Operation ......................................................................................................................................... 14
3.1
Starting the A75D(E) ................................................................................................................. 14
Factory Settings ................................................................................................................................ 14