UPS OPERATING INSTRUCTIONSEaton 9390 UPS (100–160 kVA) Installation and Operation Manual 164201604 Rev E www.eaton.com/powerquality9-49.1.6 Transfer from Normal to Energy Saver ModeTo transfer the critical load to Energy Saver mode:NOTE The Energy Saver mode commands are displayed only if enabled at the factory or by an EatonCustomer Service Engineer.1. Press the CONTROLS pushbutton on the main menu bar. The System Statusscreen is displayed.2. On the System Status screen, select the UPS command.3. Press the CONTROLS pushbutton on the System Status menu bar. The UPSControl Command screen is displayed.4. On the UPS Control Command screen, select GO TO ENERGY SAVER.5. Press the SELECT pushbutton on the UPS Command menu bar.The UPS transfers to Energy Saver mode and the critical load is immediatelysupplied by the bypass source. If the bypass source is not available, the powermodule remains on and an alarm sounds.The NORMAL status indicator is illuminated. The UPS status indicates ENERGYSAVER. The Bypass status indicates ON. The UPM status indicates ONLINE. If thebattery is not charging, the power module is off.9.1.7 Transfer from Energy Saver to Normal ModeTo transfer the critical load to Normal mode:NOTE The Energy Saver mode commands are displayed only if enabled at the factory or by an EatonCustomer Service Engineer.1. Press the CONTROLS pushbutton on the main menu bar. The System Statusscreen is displayed.2. On the System Status screen, select the UPS command.3. Press the CONTROLS pushbutton on the System Status menu bar. The UPSControl Command screen is displayed.4. On the UPS Control Command screen, select GO TO NORMAL.5. Press the SELECT pushbutton on the UPS Command menu bar.The UPS transfers to Battery mode and then to Normal mode. If the powermodule is not available, the system remains on bypass and an alarm sounds.The NORMAL status indicator is illuminated. The UPS status indicates ONLINE.The UPM status indicates ONLINE.