Eaton 9155 UPS (8–15 kVA) User's Guide 164201553 Rev G (www.eaton.com/powerquality) 47Chapter 9 Extended Battery Module InstallationNOTE A maximum of 22 battery strings can be installed in one configuration, including UPS batteries(4 EBM-64 models or 3 EBM-96 models). UPS-32 models contain 2 strings; UPS-64 models contain 4 strings;EBM-64 models contain 4 strings; and EBM-96 models contain 6 strings.NOTE For non-seismic installations, you MUST install the stabilizing bracket on all 3-high cabinets. Thestabilizing bracket is optional for 2-high cabinets.To install the optional Extended Battery Module (EBM):1. Position the EBM adjacent to the next cabinet.2. Verify that all battery circuit breakers are in the OFF position (see Figure 34).3. Remove the two ground straps from the EBM rear panel.4. Install one ground strap between the UPS and EBM rear panels as shown inFigure 34.5. If additional EBMs are installed, attach another ground strap between the firstand second EBM as shown in Figure 34. Repeat for each additional EBM.6. Plug the EBM cable into the UPS battery connector.7. If additional EBMs are installed, plug the EBM cable of the second cabinet intothe battery connector on the first EBM. Repeat for each additional EBM.UPS Battery ConnectorRear Ground StrapEBM BatteryCircuit BreakerEBM Battery ConnectorEBMCableUPS Battery Circuit BreakerONOFFFigure 34. Typical EBM Installation (2-High Cabinets Shown)