INSTALLING THE UPS SYSTEMEATON Powerware® 9390 UPS (100–160 kVA) Installation and Operation Manual 164201604 Rev D www.powerware.com4-104.7.3 Battery WiringC A U T I O NWhen sizing the battery system, DO NOT exceed the internal battery charger capabilities. See Chapter 14,“Product Specifications,” for maximum battery charger currents.To install wiring to connections:1. Route and connect the battery cables between the UPS and battery cabinets inaccordance with the instructions in the Powerware 9390 Integrated BatteryCabinet (Models IBC-S and IBC-L) Installation Manual. See Appendix A for UPScabinet wiring access information.2. 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.3. 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.4. If wiring interface connections, proceed to paragraph 4.8; otherwise, proceed toStep 5.5. When all wiring is complete, reinstall the safety shield panels removed inprevious steps. Secure with the retained hardware.6. Close the control panel door and secure with the retained hardware.7. Reinstall the doors removed in paragraph 4.2 and secure with the retainedhardware.8. Close the doors and secure the latch.4.8 Installing Interface Connections4.8.1 TB1 and TB2 ConnectionsNOTE When installing interface wiring for TB1 and TB2 connections, conduit must be installed betweeneach device and the UPS cabinet.To install wiring to connections:1. Verify the UPS system is turned off and all power sources are removed. SeeChapter 9, “UPS Operating Instructions,” for shutdown instructions.2. If not already open, unfasten the front door latch and swing the door open.3. If not already removed, remove the doors. Remove the retaining screws locatedinside each door at the top and bottom hinge pivot points, then lift the door off.Retain the hardware for later use.4. Remove the screws securing the control panel door and swing the door open.Retain the hardware for later use.5. Remove the screws securing the top internal safety shield panel. Remove thepanel to gain access to the TB1 and TB2 terminal blocks and the top conduitlanding plate (see Drawing 164201604-8 starting on page A-33). Retain thehardware for later use.
