UPS Operating Instructions
6-24 Eaton 9E UPS (40–60 kVA, 208/220V) Installation and Operation Manual P-164000058—Rev 4 www.eaton.com/powerquality
4. Perform the battery charger off procedure in paragraph 6.4.12 for each UPS.
The input and battery relays open.
Power is present inside the UPS cabinets after the upstream input feeder circuit breakers are
opened because of the installed internal batteries.
5. Open all of the UPS input circuit breakers.
6. If the UPSs contain a bypass breaker, open all of the bypass breakers.
7. Open all of the MOBs.
8. Open all of the UPSs input and bypass feeder circuit breakers.
9. If EBCs are installed, open all battery breakers
6.4.12 Charger Control
To turn an individual UPS battery charger on:
1. S e l e c t t h e CONTROLS symbol on the main menu bar on the UPS requiring the charger to be turned on.
The System Control screen is displayed.
2. Select Battery on the System Control screen.
3. On the Battery System Control screen, select the RESTING CHARGING command, then press the
RETURN pushbutton.
To turn an individual UPS battery charger off:
1. S e l e c t t h e CONTROLS symbol on the main menu bar on the UPS requiring the charger to be turned off.
The System Control screen is displayed.
2. Select Battery on the System Control screen.
3. On the Battery System Control screen, select the CHARGING RESTING command, then press the
RETURN pushbutton.
6.4.13 Battery Test
To start an individual UPS battery test:
1. S e l e c t t h e 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.
NOTE 1 This UPS has a user initiated battery test intended to determine if the
batteries are able to support the load.
NOTE 2 The battery test is only able to be initiated when the battery is fully
charged. This normally occurs within 72 hours of the start of a charging
cycle. The command will not be shown if the test is not able to be run.
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