iii
Table of Contents
Important Safety Instructions ...................................................................................................................... i
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 ........................................................................................................................................ 1
Model Scope/General Description ................................................................................................................ 2
Understanding the Model Number ............................................................................................................... 2
Optional Accessories Included in the Charger ............................................................................................... 2
Storing the A77 ......................................................................................................................................... 2
1
Installing the A77 ................................................................................................................................ 3
1.1
Mounting the A77 ........................................................................................................................ 3
1.1.1
Wall-Mounting the A77 (10 & 477 Only) ..................................................................................... 4
1.1.2
Floor-Mounting the A77 (All Enclosures) .................................................................................... 5
1.1.3
Rack-Mounting the A77 ............................................................................................................ 6
1.2
Changing Transformer Taps ......................................................................................................... 7
1.3
Making the AC Input Connections ................................................................................................. 8
1.4
Making the DC Output Connections ............................................................................................... 9
1.5
Alarms...................................................................................................................................... 10
1.5.1
Standard Alarms .................................................................................................................... 10
1.5.2
Alarm Description .................................................................................................................. 10
1.5.3
Discrete Alarm Relay Board (Option 46R) ................................................................................. 12
1.5.4
Alarm Connection Procedure ................................................................................................... 13
1.6
Temperature Compensation (Option 11W/11Y) ............................................................................ 14
1.6.1
External Probe Connection Procedure ...................................................................................... 14
1.7
Enabling Load Sharing ............................................................................................................... 15
1.7.1
Load Sharing Procedure without Batteries/Loads ...................................................................... 15
1.7.2
Load Sharing Procedure with Batteries/Loads ........................................................................... 15
1.7.3
Remote Equalize Procedure .................................................................................................... 16
1.8
Ground Detection ...................................................................................................................... 17
1.9
AC Breaker Trip on HVSD (Option 19T) ....................................................................................... 18
1.10
Adjustable Ground Detection Sensitivity (Option 19U) ................................................................... 18
1.11
Digital AC Voltage and Current Meter (Option 19V) ...................................................................... 18
Summary of Contents for A77
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