Eaton 93E XL, Installation And Operation Manual

Page: 83 / 96

To start an individual UPS battery test:
1. Select the CONTROLS symbol on the main menu bar on the UPS to be tested. The System Control
screen is displayed.
2. Select Battery on the System Control screen.
3. On the Battery System Control screen, select the RESTING TESTING command, then press the
RETURN pushbutton.
6.4.10 Using the UPS LOAD OFF Command
A UPS Load Off is initiated by the Load Off command on the UPS Control screen. The UPS LOAD OFF
controls the UPSs output by powering down the UPS and de-energizing the critical load.
The UPSs (including Bypass) remains off until
restarted. To use the LOAD OFF command:
1. Select the CONTROLS symbol on the main menu bar on the UPS to be shut down. The System
Control screen is displayed.
2. Select UPS on the System Control screen.
3. On the UPS System Control screen, select the NORMAL LOAD OFF or BYPASS LOAD OFF
command depending on the UPS mode, then press the RETURN pushbutton.
The Verify Action screen is displayed, providing a choice to proceed or abort the shutdown.
CAUTION
All power to the critical load is lost when the LOAD OFF is selected in the following
step. You should use this feature only when you want to de-energise the critical load.
4. Select Yes or no, then press the RETURN pushbutton.
Selecting Yes will immediately shut down the UPS and de-energising the critical load. Selecting
No will abort the shutdown.
5. If another UPS is to be shut down, proceed to that UPS and repeat Step 1 through Step 4.
CAUTION
Do not attempt to restart the system after Load Off until the cause of the shutdown has
been identified and cleared.
6. To restart the UPS after pressing the LOAD OFF pushbutton, follow the procedure in paragraph 6.4.1
or 6.4.2.
73 Eaton 93E XL UPS (10-40kVA, 380/400/415V) Installation and Operation