UPS SYSTEM INSTALLATIONEaton 9395 UPS (225–275 kVA) Installation and Operation Manual 164201683 Rev 3 www.eaton.com/powerquality 4-276. If not already accomplished, remove one top screw and two bottom screwssecuring the UPS left front panel (see Figure 4‐2 on page 4-4). Lift the panelstraight up to remove it from the panel hanger bracket at the top of the cabinet.7. Remove the screws securing the internal safety shield panel and remove thepanel. Retain the hardware for later use.8. To gain access to terminal blocks TB1 and TB2 and the interface entry conduitlanding plates, loosen the screws securing the small top internal safety shieldpanel and remove the panel. This panel is to the right of the X-Slotcommunication bays (see Figure 4‐13 on page 4-19).9. Remove the UPS cabinet interface entry conduit landing plates to drill or punchholes (see Figure 4‐4 on page 4-8).10. Reinstall the interface entry plates and install conduit.11. To locate the appropriate terminals and review the wiring and terminationrequirements, see paragraph 3.2.2 on page 3-6, Table 4‐1 on page 4-20, andFigure 4‐13 through Figure 4‐16 starting on page 4-22.12. Route and connect the wiring as shown in Table 4‐2 and Figure 4‐21.13. If the normally-closed REPO TB1 connection in the UPS is not used, connect ajumper wire between pins 1 and 2 on TB1.14. If you are installing multiple REPO switches, wire additional switches in parallelwith the first REPO.Table 4‐2. REPO Wire TerminationsFrom REPO Station(s)Switch Contact Block(Either Block)To Customer InterfaceTerminal Board TB1 inUPS CabinetWire Size Tightening Torque3 NO TB1‐3 Twisted Wires (2)14–22 AWG(0.75–4.0 mm2)7 lb in(0.8 Nm)4 NO TB1‐4
