User Manual 10H52188UM60 - Rev. 2 - 09/2012 3
Liebert NXC Contents
Contents
CHAPTER 1 PRODUCT INTRODUCTION .................................................................................................... 5
1.1 Features ................................................................................................................................................... 5
1.2 Model Configurations .............................................................................................................................. 5
1.3 Appearance And Components ................................................................................................................. 6
1.3.1 Appearance ..................................................................................................................................... 6
1.3.2 Components .................................................................................................................................... 6
1.3.3 UPS device rear ................................................................................................................................ 8
1.4 Operating Principle .................................................................................................................................. 9
1.5 UPS State And Operation Mode .............................................................................................................. 10
1.5.1 Normal Mode ................................................................................................................................. 11
1.5.2 Bypass Mode .................................................................................................................................. 11
1.5.3 Battery Mode ................................................................................................................................. 11
1.5.4 ECO Mode (For Single UPS System Only) ........................................................................................ 11
1.5.5 FRC (Frequency Converter) Mode ................................................................................................... 11
1.5.6 Fault State ..................................................................................................................................... 11
1.5.7 Maintenance Bypass Mode ............................................................................................................. 12
CHAPTER 2 BATTERY ............................................................................................................................ 13
2.1 Brief Introduction ................................................................................................................................... 13
2.2 Safety .................................................................................................................................................... 13
2.3 Battery Power Cable ............................................................................................................................... 14
2.3.1 Overview ....................................................................................................................................... 14
2.3.2 Installing the Batteries ................................................................................................................... 14
2.3.3 Connecting the Batteries ............................................................................................................... 15
2.4 Battery Maintenance .............................................................................................................................. 18
2.5 Battery Recycling ................................................................................................................................... 18
CHAPTER 3 SINGLE UPS INSTALLATION AND COMMISSIONING ............................................................... 19
3.1 Unpacking Inspection ............................................................................................................................ 19
3.2 Installation Preparation .......................................................................................................................... 19
3.2.1 Location ......................................................................................................................................... 20
3.2.2 Environmental Requirement .......................................................................................................... 20
3.2.3 Installation Tools ............................................................................................................................ 21
3.3 External protection devices .................................................................................................................... 22
3.3.1 Rectifier And Bypass Input .............................................................................................................. 22
3.3.2 Battery Input (for external Battery) ................................................................................................. 24
3.4 Connecting Power Cables ...................................................................................................................... 24
3.4.1 Connecting I/O Cables ................................................................................................................... 25
3.4.2 Connecting and Installing External Battery ..................................................................................... 30
3.5 Single UPS Commissioning ..................................................................................................................... 31
3.5.1 Check Before Power-On ................................................................................................................. 31
3.5.2 Single UPS Parameters Setting ....................................................................................................... 31
3.5.3 Normal Mode Start-Up ................................................................................................................... 33
3.5.4 Battery Mode Start-Up ................................................................................................................... 33
CHAPTER 4 PARALLEL UPS INSTALLATION AND COMMISSIONING ........................................................... 34
4.1 Features ................................................................................................................................................. 34
4.2 Requirements ........................................................................................................................................ 34
4.3 Connecting Power Cables ...................................................................................................................... 34
4.3.1 Connecting I/O Cables ................................................................................................................... 34
4.3.2 Connecting Parallel Cables ............................................................................................................. 36
4.3.3 Connecting external Battery Cables ............................................................................................... 37
4.4 Commissioning Parallel System .............................................................................................................. 39
4.4.1 Check Before Power-On ................................................................................................................. 39
4.4.2 Parallel System Parameters Setting ................................................................................................ 39
4.4.3 Power-On Commissioning For Parallel System ............................................................................... 40
4.5 Installation And Commissioning For Double Bus System with common neutral ...................................... 40
4.5.1 Introduction .................................................................................................................................. 40
4.5.2 Installing External Protective Device ............................................................................................... 41
4.5.3 Connecting Power Cables .............................................................................................................. 41
4.5.4 Connecting LBS Cables ................................................................................................................... 41
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