Wall-Mounted Maintenance Bypass Startup; Configuring The Ups For Ebms - Eaton 9155 User Manual

OPERATION

Configuring the UPS for EBMs

64
Eaton 9155 UPS (8–15 kVA) User's Guide

Wall-Mounted Maintenance Bypass Startup

To start the UPS in maintenance bypass (wall-mounted operation):
1. Press the red button beside the maintenance bypass switch (see Figure 48 on
page 72).
2. Turn the maintenance bypass switch to the SERVICE position.
The UPS battery circuit breaker trips, and the UPS is now bypassed, with the
load powered by utility power.
3. To transfer the load to the UPS, see "Using the Wall-Mounted Bypass Switch"
on page 70.
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*
UPS + 1 EBM
UPS + 2 EBMs
UPS + 3 EBMs
UPS + 4 EBMs
All 3-High UPS and EBM Cabinets*
UPS + 1 EBM
UPS + 2 EBMs
UPS + 3 EBMs
* 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.
ESC
7. Press the button until the Eaton logo appears.
S
164201553 Rev G (www.eaton.com/powerquality)
Number of Strings
6
10
14
18
Number of Strings
10
16
22