INSTALLATIONEATON BladeUPS® (12 kVA) User's Guide 164201649 Rev 4www.eaton.com/powerquality18Unpacking the CabinetC A U T I O N Unpacking the cabinet in a low-temperature environment may cause condensation to occur in and on thecabinet. Do not install the cabinet until the inside and outside of the cabinet are absolutely dry (hazard ofelectric shock). The cabinet and batteries are heavy (see page 99). Removing the cabinet and batteries from their cartonsrequires a minimum of two people.NOTE To protect the product, leave the components packaged until they are ready to install.Follow these guidelines when unpacking the cabinet and accessories: Cut the pallet straps and remove the large cardboard outer sleeve. Have twopeople lift the sleeve for easier removal. Use care when moving and opening the cartons. Discard or recycle the packaging in a responsible manner, or store it for future use. Do not install the batteries until after the cabinet is installed in the rack.Follow these guidelines when locating the cabinet after unpacking: Place the cabinet in a protected area that has adequate airflow and is free ofhumidity, flammable gas, and corrosion. Avoid placing the cabinet on its side. Verify that the air vents on the front and rearof the cabinet are not blocked. Allow 1m (3 ft) floor space in the front and rear of the rack for safety and access formaintenance.If installing a parallel system, continue to the following section, “Parallel SystemSetup.”If installing a standalone UPS and optional EBM(s), continue to “EBM Setup” onpage 24. Otherwise, continue to “UPS Setup” on page 29.Parallel System SetupW A R N I N GOnly qualified service personnel (such as a licensed electrician) shall perform the electrical installation. Riskof electrical shock.The system identifies a UPS connected to a BladeUPS Bar with a paralleling line cordas a member of the parallel system. The BladeUPS Bar connects the line and load to acommon power bus. You can configure parallel systems for capacity or redundancy.The BladeUPS modules in a parallel configuration require a dedicated branch circuitthat meets the following requirements: Three-phase, 4-wire plus ground, 208Y/120V nominal (BladeUPS 12 module) or400Y/230V nominal, 380–415 Vac acceptable (BladeUPS 12i module) 50/60 Hz Wall-mounted breaker that is readily accessible to the operator