UPS System Installation4-30 Eaton 93PM UPS (20–100 kW, 480V – 100 kW Frame) Installation and Operation Manual P-164000227—Rev 6 www.eaton.com/powerqualityFigure 4-21. REPO Switch11. Route the REPO wiring through the bottom interface entry conduit landing plate to the bottom accessinterface wiring channel along the inside of the front door (see Figure 4-11).12. Route the wiring along the interface wiring channel (see Figure 4-11) to the REPO terminals. SeeFigure 4-9 and Figure 4-10 for UPS interface terminal locations.13. Secure the wiring to the wire tie anchors provided (see Figure 4-12) using Zip ties.14. Connect the REPO wiring as shown in Table 4-6 and Figure 4-23 for a normally-open REPO, or Table 4-7and Figure 4-24 for a normally-closed REPO. See paragraph 3.2.4 for wiring and termination requirements,and Figure 4-22 for terminal assignments.15. If using a normally-closed REPO switch, connect a jumper wire between pins 3 and 4 on the REPOterminal block.16. If you are installing multiple REPO switches, wire additional switches in parallel with the first REPO.17. If required, install wiring from the REPO switch to the trip circuitry of the upstream protective devices. Asecond contact block is provided on the REPO switch for this function (see Figure 4-21). The REPO switchwiring must be in accordance with NEC Article 725 Class 2 requirements.18. Close the UPS outside door and secure the latch.Figure 4-22. REPO Terminal Block Connector AssignmentsREPO Switch (Front View) Contact Block (Back View, Faceplate Removed)Normally ClosedREPO ContactsNormally OpenREPO ContactsUPS REPO1 2 3 4GND-ISOEPO_A_BEPO_BEPO_A
