INSTALLATIONEaton 5125 Rack-Mount UPS (5000/6000 VA) User's Guide 164201541 Rev Dwww.eaton.com/powerquality3713. Switch all battery circuit breakers to the ON position.14. If an emergency power-off (disconnect) switch is required by localcodes, see “Remote Emergency Power-off Installation” on page 30to install the REPO switch before powering on the UPS.15. Switch the main utility breaker on.The indicator flashes, indicating the UPS is in Standby modewith the equipment offline.16. Press and hold the On button for approximately three seconds.The indicator illuminates solid and the load level indicatorsdisplay the percentage of load being applied to the UPS. The UPS isnow in Normal mode and supplying power to your equipment.If the alarm beeps or a UPS alarm indicator stays on, see Table 10on page 66.To change the factory‐set defaults, see “Configuration” on page 43.17. If you installed an optional REPO, test the REPO function:Activate the external REPO switch.De-activate the external REPO switch and restart the UPS.18. If optional EBMs are installed, continue to “Configuration” onpage 43 to specify the number of EBMs installed.NOTE The batteries charge to 80% capacity in approximately 3 hours. However, it isrecommended that the batteries charge for 48 hours after installation or long-term storage.