HP R1.5 HP 3 Phase UPS User Guide - Page 29
Connecting the ground bonding cable, Power Bus Bar, terminal block, Terminal, position, function
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Power Bus Bar terminal block Output Terminal position 1 2 Power Bus Bar wire function Phase 1 out Phase 2 out 3 Phase 3 out Input 4 5 Phase 1 in Phase 2 in 6 Phase 3 in Neutral 7 8 Neutral Neutral 9 Neutral Safety ground 10 Ground *Use 13.3 mm2 (6 AWG) 90º C copper wire minimum. Terminal wire size rating* 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 13.3 mm2 (6 AWG) to 177 mm2 (350 kcmil) 18 mm2 (4 AWG) to 215mm2 (400 kcmil) Tightening torque 31.1 Nm (275 lb in) 31.1 Nm (275 lb in) 31.1 Nm (275 lb in) 31.1 Nm (275 lb in) 31.1 Nm (275 lb in) 31.1 Nm (275 lb in) 31.1 Nm (275 lb in) 31.1 Nm (275 lb in) 31.1 Nm (275 lb in) 1.8 (16 lb in) Connecting the ground bonding cable The ground bonding screw is provided as an attachment point for conductors. Use a ground bonding cable if the rack contains any conductors for the purpose of functional grounding or bonding of ungrounded metal parts. UPS installation 29