INSTALLING OPTIONS AND ACCESSORIESPower Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual 164201701 Rev 4 www.eaton.com/powerquality5-45.2 Installing Distributed Bypass Control WiringNOTE When installing external wiring to the Powerware Hot Sync CAN Bridge Card, conduit must beinstalled to the UPS cabinet. When installing internal wiring to the Powerware Hot Sync CAN Bridge Cardterminals, route the wiring through the internal opening in the X-Slot communication bay.NOTE When installing interface wiring for the pull chain, conduit must be installed between UPSs.To install distributed bypass control wiring:1. Verify the UPS system is turned off and all power sources are removed. SeeChapter 7, “UPS Operating Instructions,” for shutdown instructions.2. Perform the procedure listed in paragraph 5.1.3. Terminal block TB3 is accessible on the left side of the X-Slot communication bay(see Figure 4‐13 on page 4-19). To gain access to terminal block TB1, TB2, andthe left interface entry conduit landing plates, loosen the screws securing thesmall top internal safety shield panel and remove the panel. This panel is to theright of the X-Slot communication bay (see Figure 4‐13 on page 4-19). Retain thehardware for later use.4. Remove the interface entry conduit landing plates to drill or punch holes (seeFigure 4‐4 on page 4-8).5. Reinstall the interface entry plates and install the conduit.6. To locate the appropriate terminals and review the wiring and terminationrequirements, see paragraph 3.2.3 on page 3-17, Table 4‐1 on page 4-20, andFigure 4‐13 through Figure 4‐16.7. Route and install CAN wiring between the UPS cabinets. See Figure 5‐2 andTable 5‐1 for the Powerware Hot Sync CAN Bridge Card terminal location andFigure 5‐3, Figure 5‐4, and Table 5‐2 for wiring information.8. If a tie cabinet with Module Output Breakers (MOBs) is being wired, proceed toStep 11; otherwise, proceed to Step 9.9. Route and install distributed bypass system pull-chain wiring between the UPScabinets. See Figure 5‐5 and Table 5‐3 on page 5-6 for wiring information.10. Proceed to Step 12.11. Route and install distributed bypass system pull-chain wiring between the UPScabinets and tie cabinet MOBs. See Figure 5‐6 on page 5-7 and Table 5‐4 onpage 5-8 for wiring information.NOTE Setup of the Powerware Hot Sync CAN Bridge Card for parallel operation must be performed by anauthorized Eaton Customer Service Engineer. Contact an Eaton service representative to schedule a date.12. Reinstall the small top internal safety shield panel and secure with the cabinetmounted screws.13. Close the front door and secure the latch.14. If removed, reinstall the safety shield panel removed in paragraph 5.1, Step 5.Secure with the retained hardware.15. If removed, reinstall the left front panel removed in paragraph 5.1, Step 4 andsecure with the retained hardware.
