Eaton 9355 Installation And Operation Manual

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Electrical InstallationEaton 9355 UPS (20/30kVA) Installation and Operation Manual 164201626—Rev F www.eaton.com/powerquality 33Options Cabinet with Output Transformer WiringTo hardwire the Options Cabinets for 480V loads:1. Remove the Options Cabinet conduit landing box from both Options Cabinet rear panels and retain (seeFigure 19 on page 29).2. Punch one hole in the first conduit landing box for the input conduit using a Greenlee punch or similardevice.Punch one hole in the second conduit landing box for the output conduit.3. Route the wiring from the back of the first Options Cabinet, through the wiring tray, to the front of theOptions Cabinet.Route the wiring from the back of the second Options Cabinet, through the wiring tray, to the front of theOptions Cabinet.4. On the first Options Cabinet, hardwire the input and ground terminations. See Table 1 on page 35 forwiring specifications.On the second Options Cabinet, hardwire the output and ground terminations.For a detailed view of both Options Cabinet terminal blocks, see Figure 22.5. On the second Options Cabinet, route the factory-installed wiring through the knockouts and hardwire tothe output terminal block of the first Options Cabinet.On the first Options Cabinet, route the factory-installed wiring through the knockouts and hardwire to theUPS terminal block.For a detailed view of the UPS terminal block, see Figure 23 on page 36.6. On the first Options Cabinet, route the maintenance bypass auxiliary wiring through the knockouts to theUPS and wire to the contacts below the MBS (see Figure 22).7. Reinstall both Options Cabinet wiring access covers.8. Reinstall both Options Cabinet conduit landing boxes in the reversed position (see Figure 19 on page 29).9. Replace both Options Cabinet front doors (see page 10).10. Reinstall the UPS connections insulator.11. Reinstall the UPS wiring access cover.12. Replace the UPS front door (see page 10).