Connecting The Ground Bonding Cable - HP R1500 - UPS XR User Manual

Power Bus Bar
terminal block
Output
Input
Neutral
Safety ground
*Use 13.3 mm

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.
Terminal Power Bus Bar wire
position function
1 Phase 1 out
2 Phase 2 out
3 Phase 3 out
4 Phase 1 in
5 Phase 2 in
6 Phase 3 in
7 Neutral
8 Neutral
9 Neutral
10 Ground
2 (6 AWG) 90º C copper wire minimum.
Terminal wire size Tightening torque
rating*
13.3 mm 2 (6 AWG) 31.1 Nm (275 lb in)
to 177 mm 2 (350
kcmil)
13.3 mm 2 (6 AWG) 31.1 Nm (275 lb in)
to 177 mm 2 (350
kcmil)
13.3 mm 2 (6 AWG) 31.1 Nm (275 lb in)
to 177 mm 2 (350
kcmil)
13.3 mm 2 (6 AWG) 31.1 Nm (275 lb in)
to 177 mm (350
2
kcmil)
13.3 mm 2 (6 AWG) 31.1 Nm (275 lb in)
to 177 mm (350
2
kcmil)
13.3 mm 2 (6 AWG) 31.1 Nm (275 lb in)
to 177 mm (350
2
kcmil)
13.3 mm (6 AWG) 31.1 Nm (275 lb in)
2
to 177 mm (350
2
kcmil)
13.3 mm (6 AWG)
2 31.1 Nm (275 lb in)
to 177 mm (350
2
kcmil)
13.3 mm (6 AWG) 31.1 Nm (275 lb in)
2
to 177 mm (350
2
kcmil)
18 mm (4 AWG) to 1.8 (16 lb in)
2
215mm (400 kcmil)
2
UPS installation 29