INSTALLING THE UPS SIDECAREATON Powerware® 9390 UPS Sidecar Installation and Operation Manual S 164201586 Rev E www.powerware.com 2-72.4.2 Installing Line-up-and-Match Parallel Redundant Power WiringNOTE Remove the UPS Sidecar top or bottom conduit landing plate to drill or punch conduit holes, orremove knockouts (see Drawing 164201546-5 starting on page A-27).NOTE Refer to the applicable Powerware 9390 installation and operation manual, listed in paragraph 1.5,for UPS cabinet wiring information and conduit and terminal locations.C A U T I O NSpecified wiring and the MOB and SLB breakers for the UPS Sidecar are rated for parallel redundant serviceonly. DO NOT use as a parallel capacity system.1. Verify the UPS system is turned off and all power sources are removed. Refer tothe applicable Powerware 9390 installation and operation manual, listed inparagraph 1.5, for shutdown instructions.2. If not already removed, remove the screw securing the bottom of the UPSSidecar front panel (see Figure 2-1 on page 2-3). Lift up the panel and remove.3. If not already removed, remove the screws securing the internal safety shieldpanel and remove the panel to gain access to the terminals.4. An MOB 2 to UPM 2 wiring harness is supplied inside the UPM 1 UPS Sidecar.Route the harness through the knockout in the side of the cabinets to the UPM 2output terminals.5. Connect phase A, B, and C, and Neutral power wiring from MOB 2 to UPM 2.6. Route the output cables to the UPS Sidecar output terminals. See Drawing164201546-6, starting on page A-30, for UPS Sidecar wiring access informationand terminal locations.7. Connect phase A, B, and C, and Neutral power wiring from the UPS Sidecaroutput terminals to the critical load.8. 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.9. If wiring interface connections, proceed to paragraph 2.4.5; otherwise, proceedto Step 10.10. When all wiring is complete, reinstall the internal safety shield panels removed inprevious steps.11. Reinstall the UPS Sidecar front panel and secure with the screw at the bottom ofthe panel.