Eaton Powerware 9390 Installation And Operation Manual

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Contents

Installing the UPS System3-8 EATON Powerware® 9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev E powerware.com12. Connect phase A, B, and C rectifier input power wiring from the utility source tothe rectifier input terminals in the UPS cabinet. See Appendix A for wiring andtermination requirements and wiring access information. Note wiring connectionsfor dual-feed systems.13. Connect phase A, B, and C, and Neutral (if required) bypass input power wiringfrom the utility source to the bypass input terminals and neutral terminals in theUPS cabinet. See Appendix A for wiring and termination requirements and wiringaccess information. Note wiring connections for dual-feed systems.14. If wiring an IDC or IAC, proceed to Step 15; otherwise, proceed to Step 18.15. Route and connect the output cable between the UPS cabinet and the IDC or IAC.Refer to the applicable IDC or IAC installation and operation manual, referenced inparagraph 1.5 on page 1-6, for wiring instructions. See Appendix A for UPS cabinetwiring access information.16. Connect phase A, B, and C, and Neutral (if required) power wiring from the IDC orIAC to the UPS cabinet output and neutral terminals. See Appendix A for wiringand termination requirements.17. Proceed to Step 22.18. If wiring a parallel system, proceed to Step 19; otherwise, proceed to Step 21.C A U T I O NParallel system wiring length should be in accordance with Drawing 164201535-5, sheet17 of 17, to ensure approximately equal current sharing when in Static Bypass mode.19. Connect phase A, B, and C, and Neutral (if required) power wiring from the outputand neutral terminals of each uninterruptible power module (UPM) to the moduletie cabinet. See Appendix A for UPM wiring and termination requirements andwiring access information.20. Proceed to Step 22.21. Connect phase A, B, and C, and Neutral (if required) power wiring from the outputand neutral terminals to the critical load. See Appendix A for wiring andtermination requirements and wiring access information.22. Route and connect the battery cables between the UPS and battery cabinets inaccordance with the instructions in the Powerware 9390 Integrated Battery Cabinet(Models IBC-S and IBC-L) Installation Manual. See Appendix A for UPS cabinetwiring access information.23. Connect the positive, negative, and ground DC power wiring from the batterycabinet to the UPS cabinet battery terminal block and ground terminals. SeeAppendix A for wiring and termination requirements.24. After wiring the UPS system to the facility power and critical load, be sure toground the system according to local and/or national electrical wiring codes.