Chapter 8 Operation ...................................................................................................................................................27
8.1 Startup Checklist For Liebert GXT4™ ............................................................................................................27
8.2 Initial Startup And Electrical Checks ..............................................................................................................27
8.3 Manual Battery Test ......................................................................................................................................27
8.4 Put Liebert® GXT4™ In Bypass ....................................................................................................................27
8.5 Shut Down Liebert GXT4...............................................................................................................................28
8.6 Disconnecting Input Power From Liebert GXT4 ..............................................................................................28
8.7 Maintenance Bypass .....................................................................................................................................28
8.8 IT Power System Configuration .....................................................................................................................28
Chapter 9 Communication...........................................................................................................................................30
9.1 Communication Interface Port .......................................................................................................................30
9.2 Terminal Block ..............................................................................................................................................30
9.2.1 Any-Mode Shutdown ..........................................................................................................................30
9.2.2 Battery Mode Shutdown .....................................................................................................................30
9.2.3 On Battery .........................................................................................................................................31
9.2.4 Low Battery ........................................................................................................................................31
9.3 Liebert IntelliSlot® Communication Cards ......................................................................................................31
9.3.1 Liebert® MultiLink® ............................................................................................................................31
9.4 Remote Emergency Power Off ......................................................................................................................32
Chapter 10 Maintenance .............................................................................................................................................33
10.1 Replacing Internal Battery Pack ...................................................................................................................33
10.2 Battery Charging .........................................................................................................................................35
10.3 Precautions.................................................................................................................................................35
10.4 Checking UPS Status ..................................................................................................................................35
10.5 Checking UPS Functions .............................................................................................................................35
Chapter 11 Specifications ...........................................................................................................................................36
Chapter 12 Product Warranty Registration ...................................................................................................................40
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