Installation
Installing the Hardwired UPS
W A R N I N G
Only qualified service personnel (such as a licensed electrician) should perform the electrical installation. Risk of electrical shock.
The Powerware 9120 requires a dedicated branch circuit that meets the following requirements:
40A circuit with short circuit and overcurrent protection
50/60 Hz
Flexible metal conduit is recommended for ease of service and maintenance
To hardwire the UPS:
1.If you are installing power management software, connect your computer to the UPS communication port using the supplied communication cable.
2.If installing an optional Extended Battery Module, plug the EBM cable into the battery connector on the EBM rear panel.
3.Plug the other end of the EBM cable into the battery connector on the UPS rear panel.
4.If additional EBMs are to be installed, plug the EBM cable of the second cabinet into the battery connector on the first EBM. Repeat for each additional EBM.
5.Switch off utility power at the distribution point where the UPS will be connected. Be absolutely sure there is no power.
Powerware® 9120 User's Guide 05147426 A Uncontrolled Copy | 9 |