Unipower Guardian Access 3U - Page 4

Page 4
POWERING TECHNOLOGY
Manual No. MS0027-MAN rev. 4
guardian_access_3u_ms27-man-rev4-0817.indd
4.3 Cable Entry ..............................................................................................................................26
4.3.1 Remove Top Cover .........................................................................................................26
4.3.2 Cable Entry Openings .....................................................................................................27
4.5 AC Input Connection ...............................................................................................................29
4.6 DC Load Connection ...............................................................................................................31
4.7 Battery Connection ..................................................................................................................32
4.8 Alarm and Signal Connections .................................................................................................32
4.9 Symmetry Connection .............................................................................................................35
4.10 Temperature Sensor Connection ............................................................................................36
4.11 Connecting an RS232 Communication Cable .......................................................................37
4.12 Rectier Installation
...............................................................................................................37
4.13 Reinstalling Top Cover ..........................................................................................................38
Chapter 5 Commissioning
...........................................................................................................39
5.1 Commissioning Overview
.......................................................................................................39
5.2 Tools and Test Equipment ........................................................................................................39
5.2.1 Tools List .........................................................................................................................39
5.2.2 Test Equipment ...............................................................................................................39
5.3 Preparation
...............................................................................................................................39
5.4 Commissioning procedure
.......................................................................................................40
5.5 Test of output voltage ...............................................................................................................41
5.5.1 Float charge (U1) ............................................................................................................41
5.5.2 Adjustment of Float Charge, U1 .....................................................................................41
5.5.3 Boost charging (U2) (if applicable) ................................................................................41
5.6 Battery supervision
..................................................................................................................42
5.7 Battery test ...............................................................................................................................42
5.8 Commissioning record .............................................................................................................43
Chapter 6 Maintenance & Troubleshooting ..............................................................................44
6.1 Maintenance
.............................................................................................................................44
6.1.1 Checking Terminal Connection ......................................................................................44
6.1.2 Other Requirements ........................................................................................................44
6.2 Troubleshooting .......................................................................................................................45
Chapter 7 Replacing Modules .....................................................................................................49
7.1 Controller Replacement
...........................................................................................................49
7.2 Rectier Replacement
..............................................................................................................49
7.3 Battery and Load Breakers Replacement .................................................................................50
7.4 Surge Protection Device Replacement .....................................................................................50
Appendix A - Drawings ................................................................................................................51
A.1 System Layout
.........................................................................................................................51
A.2 Installation Details - Connections
...........................................................................................52
A.3 Block Diagram
........................................................................................................................53
A.4 Detailed Dimensions
...............................................................................................................54