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EATON Powerware
®
9155 Parallel UPS (8–15 kVA) User’s Guide S 164201592 Rev C www.powerware.com
49
Configuring t he UPS for EBMs
NOTE Each UPS in a parallel system must have its own EBM and the same number of
EBMs to ensure consistent runtimes.
To ensure maximum battery runtime, configure the UPS for the correct
number of EBMs:
1. Press any button on the front panel display to activate the menu
options.
2. Using the
button, scroll to the Settings menu.
3. Press the
button twice to select the User Settings menu.
4. Using the
button, scroll to the Number of Battery Strings option
and press the
button.
5. Use the
or buttons to select the number of strings according to
your UPS configuration:
All 2-High UPS and EBM Cabinets*
Number of Strings
UPS + 1 EBM 6
UPS + 2 EBMs 10
UPS + 3 EBMs 14
UPS + 4 EBMs 18
All 3-High UPS and EBM Cabinets* Number of Strings
UPS + 1 EBM 10
UPS + 2 EBMs 16
UPS + 3 EBMs 22
*UPS-32 models contain 2 strings; EBM-64 models contain 4 strings.
UPS-64 models contain 4 strings; EBM-96 models contain 6 strings.
6. Press the button to save the setting.
7. Press the
ESC
button until the Eaton Powerware logo appears.