Eaton 93E UPS 15-80 kVA (380/400/415 V) Installation and Operation Manual© Eaton Corporation plc 2015. All rights reserved. Revision: 001 Document ID: 614-01975-00 113 (133)3. Perform the LOAD OFF procedure as instructed in Section 7.4.10.The output relay and the bypass backfeed contactor open, and thepower module is turned off.4. Perform the battery charger off procedure as instructed in Section7.4.8 for each UPS.The input and battery relay open.WARNINGPower is present inside the UPS cabinets after the upstream inputfeeder circuit breakers are opened because of the installed externalbattery cabinet.5. Open all the rectifier input input switches.6. Open all the bypass input switches.7. Open the output switch.8. Open all the MOBs.9. Open all the UPSs input and bypass feeder circuit breakers.10. Open all the internal and external battery breakers.7.4.8 Charger controlTo turn an individual UPS battery charger on:1. Select the CONTROLS symbol in the main menu bar on the UPSrequiring the charger to be turned on.The System Control screen is displayed.2. Select Battery in the System Control screen3. In the Battery System Control screen, select the RESTING →CHARGING command and press the push button.To turn an individual UPS battery charger off:1. Select the CONTROLS symbol in the main menu bar on the UPSrequiring the charger to be turned off.The System Control screen is displayed.2. Select Battery in the System Control screen.3. In the Battery System Control screen, select the CHARGING →RESTING command and press the push button.
