UPS OPERATING INSTRUCTIONSEaton 9395 550/275 UPS (225–550 kVA) Installation and Operation Manual 164201716 Rev 2 www.eaton.com/powerquality 7-197.3.12 Enable Variable Module Management System Mode from the BypassCommand MenuTo enable Variable Module Management System mode:NOTE The Variable Module Management System mode commands are displayed only if enabled at thefactory or by an Eaton Customer Service Engineer.NOTE The Variable Module Management System and Energy Saver System modes are mutually exclusive.If the Energy Saver System mode is enabled, the Variable Module Management System mode commands willnot be displayed.1. Press the CONTROLS pushbutton on the main menu bar. The System Statusscreen is displayed.2. On the System Status screen, select the BYPASS command.3. Press the CONTROLS pushbutton on the System Status menu bar. The BypassControl Command screen is displayed.4. On the Bypass Control Command screen, select ENABLE VAR MODULEMANAGEMENT.5. Press the SELECT pushbutton on the Bypass Command menu bar.If the UPS is online, the UPS transfers to Variable Module Management Systemmode. In approximately twenty seconds the UPS calculates the required numberof UPMs needed to support the load.The Online status indicator is illuminated. The UPS status indicates ONLINE +VMMS. The UPM status indicates ONLINE.7.3.13 Disable Variable Module Management System Mode from theBypass Command MenuTo disable Variable Module Management System mode:NOTE The Variable Module Management System mode commands are displayed only if enabled at thefactory or by an Eaton Customer Service Engineer.NOTE The Variable Module Management System and Energy Saver System modes are mutually exclusive.If the Energy Saver System mode is enabled, the Variable Module Management System mode commands willnot be displayed.1. Press the CONTROLS pushbutton on the main menu bar. The System Statusscreen is displayed.2. On the System Status screen, select the BYPASS command.3. Press the CONTROLS pushbutton on the System Status menu bar. The BypassControl Command screen is displayed.4. On the Bypass Control Command screen, select DISABLE VAR MODULEMANAGEMENT.
