HP R8000/3 UPS R12000 XR Models Installation Instructions - Page 5
Wiring - setup
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8. Attach the hold-down bracket to the rack rail with the screws included in the hardware kit. WARNING: To avoid risk of personal injury or electric shock, verify that the main breaker switch is in the Off position before wiring the REPO port. To connect the REPO port to the EPO circuit: 1. Verify that the UPS is disconnected from utility power. 2. Connect the switch or circuit to the REPO port. Wiring Refer to Table 1 in "Overview" for details regarding the Installation and Startup Package, which is used to simplify setup and installation of the UPS. Code Compliance Information WARNING: The UPS requires a direct connection to a dedicated AC branch circuit (AC mains). Connection should only be performed by a qualified electrician in accordance with National Electrical Code (NFPA 70) Article 310 in North America or in the equivalent local and national wiring regulations. WARNING: If the UPS is to be installed in a server equipment room, it must be connected to a REPO circuit. The REPO port is designed to meet the requirements stated in National Electrical Code (NFPA 70) Articles 645-10 and 11. Connecting the REPO Port The UPS includes a REPO port. When properly wired, the REPO port allows the power at the UPS output receptacles to be switched off from a remote location. Local or national wiring regulations may require REPO capabilities. WARNING: To reduce risk of personal injury or damage to equipment, the REPO port must be wired by a qualified electrician. WARNING: Remote circuits connected to the REPO port must comply with local building wiring codes and methods. In North America, the National Electric Code (NFPA 70, Article 725) is a minimum requirement. The UPS REPO circuit is an IEC950 Secondary Extra Low Voltage (SELV) circuit. The computer room Emergency Power shutdown circuit conductors that connect to the REPO terminals must meet the requirements of an NEC Class 2 circuit or an IEC950 SELV circuit and must be separated from any hazardous voltage circuits or conductors by reinforced insulation. The server room Emergency Power shutdown circuit must: • Short the UPS REPO terminals. • Disconnect the UPS AC input source. IMPORTANT: The cable that connects the UPS to the REPO port must be UL Listed, of type CL2, CL2P, CL2R, or CL2X, depending on the requirements of the local installation. 3. Verify that the Remote Circuit is off. Be sure the REPO switch is in the Off (open) position to enable power to the UPS output. Connecting the Ground Bonding Screw The ground bonding screw on the rear of the unit is provided as an attachment point for conductors. Use the ground bonding screw if the rack contains any conductors for the purpose of functional grounding or bonding of ungrounded metal parts. To connect the ground bonding screw: Remove the ground bonding screw nut (1), attach the grounding cable, and secure the ground bonding screw nut (2). 1 2
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