Vertiv Liebert EXS - Page 4

4.1 LED Indicators 32
4.2 Audible Alarm (Buzzer) 32
4.3 LCD Menu and Screens 33
4.3.1 Startup and UPS mimic screens 33
4.4 Editing Display and Operation Settings 38
4.4.1 Changing the password 39
4.4.2 Selecting the display language 39
4.4.3 Setting the date and time 40
5 Operating the UPS 41
5.1 Silencingthe Audible Alarm 41
5.2 UPS Startup 41
5.3 Transferring from Normal (Inverter) to Bypass Mode 42
5.4 Transferring from Bypass to Normal (Inverter) Mode 43
5.5 Transferring to Maintenance Bypass Mode 44
5.6 Transferring from Maintenance Bypass to Normal Mode 44
5.7 REPO 45
6 Parallel System and LBS System 47
6.1 General 47
6.2 Requirements 47
6.3 System Installation Procedures 47
6.3.1 Preliminary checks 47
6.3.2 Cabinet installation 48
6.3.3 Power cables 48
6.3.4 Parallel cables 48
6.3.5 REPO 49
6.4 Operation Procedures for Parallel System 50
6.4.1 Before startup 50
6.4.2 Parallel system parameters setting 50
6.4.3 Power on procedures for parallel system 50
6.4.4 Maintenance bypass procedures 51
6.4.5 Isolating one UPS module from parallel system 52
6.4.6 Inserting one isolated UPS module in parallel system 53
6.4.7 Completely powering down the UPS 53
6.4.8 Procedures for complete UPS shutdown while maintaining power to load 54
6.5 LBS System 54
6.5.1 Overview 54
6.5.2 Cabinet installation 54
6.5.3 Connecting power cables 55
6.5.4 Connecting LBS cables 55
6.5.5 LBS parameters setting 56
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Vertiv™ Liebert® EXS Installer/User Guide