
UPS2000-A-(6 kVA-10 kVA)
User Manual
Copyright © Huawei Technologies Co., Ltd.
3.3.3 Connecting Cables to Parallel UPSs (Professional Version with Standard Backup Time) ......................................40
3.3.4 Connecting Cables to Parallel UPSs (Professional Version with Long Backup Time)............................................42
3.4 Installing a Backfeed Protection Device.....................................................................................................................44
3.4.1 Backfeed Protection Device Specifications.............................................................................................................44
3.4.2 Feedback Prevention Connections (With Dry Contract Control).............................................................................45
3.5 Check After Installation..............................................................................................................................................47
4 Control Panel ...............................................................................................................................49
4.1 Introduction ................................................................................................................................................................49
4.2 Indicators....................................................................................................................................................................49
4.3 Functional Buttons......................................................................................................................................................50
4.4 LCD............................................................................................................................................................................51
4.5 LCD Startup Screens ..................................................................................................................................................51
4.5.1 Starting the UPS in Normal Mode...........................................................................................................................56
4.5.2 Starting the UPS in Battery Mode ...........................................................................................................................56
4.6 LCD Menu Hierarchy.................................................................................................................................................57
4.6.1 Control Menu...........................................................................................................................................................60
4.6.2 Setting Menu............................................................................................................................................................62
4.6.3 Active Alarm Display Menu ....................................................................................................................................73
4.6.4 Historical Alarms Display Menu .............................................................................................................................74
5 Operations ....................................................................................................................................76
5.1 Checking Before Powering On the UPS.....................................................................................................................76
5.2 Single UPS Operations ...............................................................................................................................................76
5.2.1 Starting the UPS ......................................................................................................................................................76
5.2.2 Shutting down the UPS............................................................................................................................................83
5.2.3 Performing EPO.......................................................................................................................................................84
5.3 Parallel System Operations.........................................................................................................................................85
5.3.1 Starting the Parallel System.....................................................................................................................................85
5.3.2 Shutting Down the Parallel System .........................................................................................................................93
5.3.3 Performing EPO for a Parallel System ....................................................................................................................95
5.3.4 Removing a UPS from a Parallel System................................................................................................................96
5.3.5 Adding a UPS from a Parallel System.....................................................................................................................99
5.3.6 Replacing a UPS from a Parallel System...............................................................................................................101
6 Communications .......................................................................................................................105
6.1 Optional Communications Components...................................................................................................................105
6.2 SNMP Card...............................................................................................................................................................105
6.3 Modbus Card ............................................................................................................................................................106
6.4 Dry Contact Card......................................................................................................................................................106
7 Routine Maintenance ...............................................................................................................107
7.1 UPS Maintenance .....................................................................................................................................................107
7.1.1 Monthly Maintenance............................................................................................................................................107