5.2.1 Start Screen ............................................................................................................................................. 34
5.2.2 Primary Screen ........................................................................................................................................ 34
5.2.3 Default Screen ......................................................................................................................................... 35
5.3 Selecting Language ............................................................................................................................................ 35
5.4 Changing The Current Date And Time ................................................................................................................ 35
5.5 Control Password ................................................................................................................................................ 35
5.6 Detailed Description Of Menu Items ................................................................................................................... 35
5.7 Prompt Window ................................................................................................................................................... 37
5.8 Alarm List ............................................................................................................................................................ 38
Chapter 6 Operating Instructions ...................................................................................................................................... 41
6.1 Power Switches .................................................................................................................................................. 41
6.2 UPS Startup Procedures ..................................................................................................................................... 42
6.2.1 Procedures For Startup Into Normal Mode .............................................................................................. 43
6.2.2 Procedures For Startup In Battery Mode (Startup Without A.C. Input Supply) ........................................ 43
6.3 Procedures For Transfer Between Operation Modes .......................................................................................... 44
6.3.1 Transfer From Normal Mode To Battery Mode ........................................................................................ 44
6.3.2 Transfer From Normal Mode To Bypass Mode ........................................................................................ 44
6.3.3 Transfer From Bypass Mode To Normal Mode ........................................................................................ 44
6.3.4 Transfer From Normal Mode To Maintenance Mode ............................................................................... 44
6.4 Procedures For Completely Powering Down The UPS ....................................................................................... 45
6.5 Procedures For Completely Powering Down The UPS While Maintaining he Power Supply To The Load ........ 45
6.6 Isolation Procedures (Of One UPS In A Parallel System) ................................................................................... 45
6.7 Insertion Procedures (Of One UPS In A Parallel System) .................................................................................. 46
6.8 Emergency Power Off (EPO) Procedures ........................................................................................................... 46
6.9 Automatic Restart ............................................................................................................................................... 46
6.10 UPS Reset Procedures ..................................................................................................................................... 47
Chapter 7 Service ............................................................................................................................................................. 48
7.1 Service Procedures Of Power Module And Bypass Module ............................................................................... 48
7.1.1 Notes ....................................................................................................................................................... 48
7.1.2 Service Procedures Of Power Module ..................................................................................................... 48
7.1.3 Service Procedures Of Bypass Module ................................................................................................... 48
7.2 Replacement Procedures Of Air Filter ................................................................................................................ 49
Chapter 8 Product Specification
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...................................................................................................................................... 51
8.1 Conformity And Standards .................................................................................................................................. 51
8.2 Environmental Characteristics ............................................................................................................................ 51
8.3 Mechanical Characteristics ................................................................................................................................. 51
8.4 Electrical Characteristics (Input Rectifier) ........................................................................................................... 52
8.5 Electrical Characteristics (Intermediate DC Circuit) ............................................................................................ 52
8.6 Electrical Characteristics (Inverter Output) ......................................................................................................... 53
8.7 Electrical Characteristics (Bypass Input) ............................................................................................................. 53
Summary of Contents for Liebert NXr
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