Vertiv Liebert CW Series User Manual

6.2.4 Wire the EC Fans 58
6.2.5 Install front panels onplenum 60
7 Checklist for Completed Installation 73
7.1 Moving and Placing Equipment 73
7.2 Electrical InstallationChecks 73
7.3 Piping InstallationChecks 73
7.4 Other InstallationChecks 73
8 Initial Start-up Checks andCommissioningProcedure ForWarrantyInspection 75
9 Troubleshooting 77
10 Maintenance 81
10.1 Filters 82
10.2 Blower Drive System—EC Fans 83
10.2.1 Protective Features 84
10.2.2 Fan Impellers and Bearings Maintenance 84
10.2.3 FanAssembly Troubleshooting 84
10.2.4 Removing EC Fans from Downflow Units 88
10.2.5 Removing EC Fans from UpflowUnits 93
10.3 Blower Drive System—Forward-curved Blowers 96
10.3.1 Blower Motor Lubrication 97
10.3.2 Belt Inspection 97
10.3.3 Electronic Variable Speed Drive - Inverter 97
10.4 Infrared Humidifier Maintenance 98
10.4.1 Cleaning Humidifier Panand Float Switch 98
10.4.2 Changing Humidifier Lamps 99
10.5 Condensate-drainand Condensate-pump System Maintenance 100
10.5.1 Condensate Drain 100
10.5.2 Condensate Pump 100
10.6 Facility Fluid and Piping Maintenance forWaterandGlycolSystems 101
11 Preventive Maintenance Checklist 103
Appendices 107
Appendix A: Technical Support and Contacts 107
Appendix B: Submittal Drawings 109
Vertiv | Liebert® CW™Installer/User Guide
4

Vertiv Liebert CW Series Specifications

General

Brand	Vertiv
Model	Liebert CW Series
Category	UPS
Language	English