Eaton 9PXM8S4K User Manual

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40 4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 107. When all connections have been made and checked, reinstall the UPS terminal covers using the original.8. If floor anchor brackets were installed and not secured, install the floor bolts (2.5 Anchor Bracket Installation ).9. After electrical installation is complete, you must also set the output settings menu at UPS startup (6.1 UPS Startup ) for the required output voltage as shown in the wiring configuration drawings (7.15 Display Menu Screens ).Risk of electrical shock. Only qualified service personnel (such as a licensed electrician) should perform theelectrical installation in this section.44..33 SSyysstteemm WWiirriinngg DDiiaaggrraammNOTE 1 The customer must provide input overcurrent protection. See NEC Section 240-21or local requirements. See Table 5 for circuit breaker ratings to size the protection deviceaccording to local code requirements.NOTE 2 The customer must size the AC circuit conductors. All AC circuit conductors,including the neutral conductor, must be the same size ( ampacity ), have the samerating (75°C) copper wire, and be sized according to the input circuit breaker. SeeTable 6 for recommended wire sizes. The UPS input and output conductors must be runthrough separate conduits.NOTE 3 The customer must provide output overcurrent protection. See NEC Section 240-21or local requirements. See Table 5 for maximum output overcurrent protection deviceratings.NOTE 4 See “2.1 Preparing for Installation ” for installation and service clearances beforeinstalling the UPS. Use flexible conduit on the UPS or the external battery cabinet ifeither must be moved.NOTE 5 External UPS battery cabinets are optional. See “5.2 Standard Battery Cabinet Installation or 5.1 Battery Cabinet Options ” for installationinstructions.NOTE 6 UPS output circuits shall be installed in dedicated conduit systems and not shared withother electrical circuits.NOTE 7 Use only Eaton-supplied power cables between the UPS and EBM(s) (PN:P-103003231).NOTE 8 CN3 and CN4 CAN cables ground separately to each cabinet chassis.System Wiring Diagram