Hp Parallel Uninterruptible Power System Uživatelský manuál stáhnout pdf (Strana 29)

UPS installation 29

Power Bus Bar

terminal block

Terminal

position

Power Bus Bar wire

function

Terminal wire size

rating*

Tightening torque

Output

1 Phase 1 out 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

2 Phase 2 out 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

3 Phase 3 out 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

Input

4 Phase 1 in 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

5 Phase 2 in 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

6 Phase 3 in 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

Neutral

7 Neutral 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

8 Neutral 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

9 Neutral 13.3 mm

(6 AWG)

to 177 mm

(350

kcmil)

31.1 Nm (275 lb in)

Safety ground

10 Ground 18 mm

(4 AWG) to

215mm

(400 kcmil)

1.8 (16 lb in)

*Use 13.3 mm

(6 AWG) 90º C copper wire minimum.

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.

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