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 Specifications..................................................................................................... 110

7.1 Physical Specifications...................................................................................................................................................... 110

7.2 Environmental Specifications......................................................................................................................................... 110

7.3 Mains Input Electrical Specifications........................................................................................................................... 111

7.4 Bypass Input Electrical Specifications.......................................................................................................................... 111

7.5 Output Electrical Specifications..................................................................................................................................... 112

7.6 Battery Electrical Specifications..................................................................................................................................... 113

7.7 ECO Specifications.............................................................................................................................................................. 114

7.8 Parallel System Specifications........................................................................................................................................ 115

7.9 Safety and EMC................................................................................................................................................................... 115

A Lithium Battery Power Backup Time............................................................................. 117

B Acronyms and Abbreviations........................................................................................... 118

Issue 02 (2022-06-30)

Table of Contents