Eaton 9390IT Installation And Operation Manual

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UPS INSTALLATION PLAN AND UNPACKINGEaton®9390 UPS (20–80 kVA) and 9390IT (20-40 kVA) Installation and Operation Manual 164201603 Rev 4 www.eaton.com/powerquality3-23.2.2 Preparing for Wiring the UPS SystemNOTE If installing, as part of the UPS system, a maintenance bypass without a rectifier input breaker, aminimum of two separate feeds with upstream feeder breakers, or one feed with two upstream feederbreakers, must be provided: one for the UPS and one for the maintenance bypass input. DO NOT use one feedor a single feeder breaker to supply both the UPS and the maintenance bypass.For external wiring requirements, including the minimum AWG size of external wiring,see Table H through Table J starting on page A-15. The power wiring connections forthis equipment are rated at 90°C. If wire is run in an ambient temperature greaterthan 30°C, higher temperature wire and/or larger size wire may be necessary.Control wiring for Emergency Power-off (EPO) and optional accessories (such asbuilding alarms and monitoring interface) should be connected at the customerinterface terminal blocks located inside the UPS.LAN and telephone drops, for use with X-Slot connectivity cards, must be supplied byfacility planners or the customer.3.3 Inspecting and Unpacking the UPS CabinetThe cabinet is shipped bolted to a wooden pallet and protected with outer protectivepackaging material (see Figure 3‐1 or Figure 3‐2).Shipping PalletFigure 3‐1. Eaton 9390 UPS (20–80 kVA) as Shipped on Pallet