Emerson Liebert NXL series Operation And Maintenance Manual page 6

Liebert NXL UPS
3 MAINTENANCE ........................................................................................................... 57
3.1 Safety Precautions ...................................................................................................................................... 57
3.2 Liebert Services........................................................................................................................................... 58
3.2.1 Professional Start-up ................................................................................................................................ 58
3.3 Routine Maintenance.................................................................................................................................. 59
3.3.1 Record Log .............................................................................................................................................. 59
3.3.2 Air Filters................................................................................................................................................. 59
3.3.3 Limited Life Components ........................................................................................................................ 60
3.4 Battery Maintenance .................................................................................................................................. 61
3.4.1 Battery Safety Precautions ....................................................................................................................... 61
3.4.2 Batteries ................................................................................................................................................... 63
3.5 Detecting Trouble ....................................................................................................................................... 64
3.6 Reporting a Problem .................................................................................................................................. 64
3.7 Corrective Actions ...................................................................................................................................... 64
4 SPECIFICATIONS ....................................................................................................... 65
4.1 Battery Operation ....................................................................................................................................... 65
4.2 Environmental Conditions ......................................................................................................................... 65
5 APPENDIX A-UPS ALARM AND STATUS MESSAGES ........................................ 70
----------------------------------------------- ----------------------------------------------- ----------------------------------------------- -----------------------------------------------
Figure 1 Typical UPS system one-line diagram .................................................................. 11
Figure 2 Main component locations..................................................................................... 15
Figure 3 Main Display screen, typical.................................................................................. 16
Figure 4 Mimic display ......................................................................................................... 16
Figure 5 Monitor/mimic display example: Normal power flow ...................................... 17
Figure 6 Monitor/mimic display example: Utility fail....................................................... 17
Figure 7 Monitor/mimic display example: Load on bypass, UPS On.............................. 18
Figure 8 Monitor/mimic display example: Load on bypass, UPS module Off ............... 18
Figure 9 Menu tree ................................................................................................................ 19
Figure 10 Rating Parameters................................................................................................. 20
Figure 11 System Settings parameters ................................................................................. 21
Figure 12 Adjustable setpoints parameters ......................................................................... 22
Figure 13 Battery Equalize settings...................................................................................... 23
Figure 14 Battery Management Parameters ........................................................................ 23
Figure 15 Typical Event Management Parameters ............................................................. 25
Figure 16 Load Bus Sync screen ........................................................................................... 26
Figure 17 Input Contact Isolator Board screen ................................................................... 26
Figure 18 Programmable Relay Board screen ..................................................................... 27
Figure 19 Event Log............................................................................................................... 28
Figure 20 Shutdown menu ................................................................................................... 29
Figure 21 UPS shutdown popup .......................................................................................... 30
Figure 22 System shutdown popup ..................................................................................... 30
Figure 23 Transfer/retransfer commands ........................................................................... 31
Page vi
Operation and Maintenance Manual
Figures Figures Figures Figures
---------- ---- ---- ---- ---------- ------ ------ --------- ---- ---- ------------- ----- ----- --------------------------------------- -------- -------- ------------------------------- ------------------------------- -------------------------------
250-300-400-800kVA