UPS MAINTENANCEEATON BladeUPS® (12 kVA) User's Guide 164201649 Rev 4www.eaton.com/powerquality 915. Plug the new EBM into the UPS as shown in Figure 29 on page 39.For additional EBMs, plug the EBM cable into the battery connector on theadjacent EBM.6. Remove the breaker tie from the circuit breaker on all EBMs.7. Switch all battery circuit breakers to the ON () position.How to Replace UPS Internal BatteriesC A U T I O N The UPS internal batteries are heavy (see page 99). Each battery tray holds two rows of five batteries.Use caution when handling the heavy battery trays. Pull the battery trays out onto a flat, stable surface. The battery trays are unsupported when you pullthem out of the UPS.To replace the battery trays in the UPS cabinet:1. Verify that the battery circuit breaker is in the OFF (O) position (see Figure 32 onpage 43).2. Remove the UPS front cover and set it aside (see Figure 55):Grasp the fingergrips on both sides of the cover and pull the cover forward firmly.Unplug the LCD cable connecting the back of the control panel to the electronicsmodule.LCD CableFigure 55. Removing the UPS Front CoverNOTE Disconnecting the control panel from the electronics module automatically transfers the UPS toBypass mode.
