Liebert NXC 30kVA User Manual page 9

5.6.1 Procedures For Completely Powering Down UPS ................................................................................... 41
5.6.2 Procedures For Completely Powering Down UPS While Maintaining Power To Load ............................ 41
5.7 EPO Procedures ................................................................................................................................................. 42
5.8 UPS Reset Procedures After EPO ...................................................................................................................... 42
5.9 Automatic Restart ............................................................................................................................................... 42
5.10 Selecting Language .......................................................................................................................................... 43
5.11 Changing Current Date And Time ..................................................................................................................... 43
5.12 Control Password .............................................................................................................................................. 43
Chapter 6 Battery .............................................................................................................................................................. 44
6.1 Introduction ......................................................................................................................................................... 44
6.2 Safety .................................................................................................................................................................. 44
6.3 UPS Battery ........................................................................................................................................................ 45
6.4 Precautions For Installation Design .................................................................................................................... 46
6.5 Battery Installation Environment And Number Of Batteries ................................................................................ 46
6.5.1 Installation Environment: ......................................................................................................................... 46
6.5.2 Number Of Batteries ................................................................................................................................ 47
6.6 Battery Protection ............................................................................................................................................... 47
6.7 Battery Installation And Connection .................................................................................................................... 48
6.7.1 Battery Installation ................................................................................................................................... 48
6.7.2 Battery Connection .................................................................................................................................. 48
6.8 Design Of Battery Room ..................................................................................................................................... 50
6.9 BCB Box (Optional) ............................................................................................................................................. 51
6.10 BCB Reference Current And Connection .......................................................................................................... 53
6.11 Battery Maintenance ......................................................................................................................................... 53
6.12 Disposal Of Used Battery .................................................................................................................................. 54
Chapter 7 Parallel System And LBS System ..................................................................................................................... 55
7.1 General ............................................................................................................................................................... 55
7.2 System Installation Procedures........................................................................................................................... 55
7.2.1 Preliminary Checks .................................................................................................................................. 55
7.2.2 Cabinet Installation .................................................................................................................................. 55
7.2.3 Power Cable ............................................................................................................................................ 56
7.2.4 Parallel Cable .......................................................................................................................................... 56
7.2.5 Remote EPO ........................................................................................................................................... 57
7.3 Operation Procedures For Parallel System ......................................................................................................... 57
7.3.1 Startup Procedures In Normal Mode ....................................................................................................... 57
7.3.2 Maintenance Bypass Procedures ............................................................................................................ 58
7.3.3 Procedures For Isolating One UPS Module From Parallel System .......................................................... 59
7.3.4 Procedures For Inserting One Isolated UPS Module In Parallel System ................................................. 59
7.3.5 Procedures For Completely Powering Down UPS ................................................................................... 60
7.3.6 Procedures For Complete UPS Shutdown While Maintaining Power To Load ........................................ 60
7.4 LBS System ........................................................................................................................................................ 61
7.4.1 Cabinet Installation .................................................................................................................................. 61
7.4.2 External Protective Device ....................................................................................................................... 62
7.4.3 Power Cable ............................................................................................................................................ 62
7.4.4 LBS Cable ............................................................................................................................................... 62