4.1.2 Buttons.................................................................................................................................................................................. 41
4.1.3 LCD Screen Information.................................................................................................................................................. 42
4.2 LCD Character Display.........................................................................................................................................................44
4.3 Parameter Settings............................................................................................................................................................... 46
4.4 Operating Modes.................................................................................................................................................................. 56
4.5 Alarm Types............................................................................................................................................................................ 59
4.5.1 Critical Alarms.................................................................................................................................................................... 59
4.5.2 Minor Alarms...................................................................................................................................................................... 61
4.6 Alarm Handling..................................................................................................................................................................... 63
5 Operations.............................................................................................................................. 93
5.1 Checking Before Power-On................................................................................................................................................93
5.2 Single UPS Operations........................................................................................................................................................ 93
5.2.1 Starting a UPS.................................................................................................................................................................... 93
5.2.1.1 Starting the UPS Using Mains Power......................................................................................................................94
5.2.1.2 Cold-Starting the UPS Using Batteries................................................................................................................... 96
5.2.2 Shutting Down a UPS...................................................................................................................................................... 98
5.2.3 Performing EPO..................................................................................................................................................................98
5.3 Parallel System Operations............................................................................................................................................... 99
5.3.1 Starting a Parallel System.............................................................................................................................................. 99
5.3.1.1 Starting the UPSs Using Mains Power................................................................................................................. 100
5.3.1.2 Cold-Starting the UPSs Using Batteries............................................................................................................... 103
5.3.2 Shutting Down a Parallel System.............................................................................................................................. 104
5.3.3 Performing EPO............................................................................................................................................................... 105
5.4 Transferring to Maintenance Bypass Mode............................................................................................................... 106
6 UPS Maintenance................................................................................................................ 108
7 Technical Specications.....................................................................................................110
7.1 Physical Specications...................................................................................................................................................... 110
7.2 Environmental Specications......................................................................................................................................... 110
7.3 Mains Input Electrical Specications........................................................................................................................... 111
7.4 Bypass Input Electrical Specications.......................................................................................................................... 111
7.5 Output Electrical Specications..................................................................................................................................... 112
7.6 Battery Electrical Specications.....................................................................................................................................113
7.7 ECO Specications.............................................................................................................................................................. 114
7.8 Parallel System Specications........................................................................................................................................ 115
7.9 Safety and EMC...................................................................................................................................................................115
A Lithium Battery Power Backup Time............................................................................. 117
B Acronyms and Abbreviations........................................................................................... 118
UPS2000-G-6KRTLL
User Manual Contents
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. v
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