Eaton 9PXM User Manual

Also see for 9PXM: Manual User guide User guide

4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 09 2733..55 SSyysstteemm WWiirriinngg DDiiaaggrraammssSystem Wiring DiagramRefer to the system wiring diagram for correct installation The following notes are referenced by their numberin the UPS with external bypass wiring diagram (see Figure 24 and Figure 25 ).NOTE 1 The customer must provide input overcurrent protection. See NEC Section 240-21or local requirements. See 3.2 Circuit Breaker Input Ratings for circuit breaker ratings tosize the protection device according to local code requirements.NOTE 2 The UPS bypass switch must be installed within sight of the UPS. To properly install,complete the voltage and phase check procedure in “ 6.1 UPS Startup ”. The wirescoming from the side of the switch must be connected as described in .NOTE 3 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 2 . The UPS input and output conductors must be run through separate conduits.NOTE 4 The customer must provide output overcurrent protection. See NEC Section 240-21or local requirements. See Table 1 for maximum output overcurrent protection deviceratings.NOTE 5 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 6 External UPS battery cabinets are optional. See “5.1 Standard Battery Cabinet Installation or 5.2 Connected Battery Cabinet Option ” forinstallation instructions.NOTE 7 UPS output circuits shall be installed in dedicated conduit systems and not shared withother electrical circuits.NOTE 8 Use only Eaton-supplied power cables between the UPS and EBM(s) (PN:P-103003231).NOTE 9 CN3 and CN4 CAN cables ground separately to each cabinet chassis.System Wiring Diagrams