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Wiring – Toshiba Uninterruptible Power System G8000 Series User Manual

Page 28

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11. Wiring

11.1 Overview

Figure 11.1 shows the external wiring diagram of G8000 UPS. Wiring work is summarized below.

1) Power cable connection for AC input, Bypass Input, AC output, and DC input at terminal blocks or

buses.

2) External breaker provision at AC input, Bypass Input, AC output, and DC input.

3) Earth ground wire at grounding electrode.

4) Control wire terminal TB1 (Battery cabinet and Bypass Breaker).

See corresponding section to each wiring term.

Figure 11.1 - External Wiring Diagram.

Battery

Breaker

< Battery Cabinet >

Bypass

Breaker

Bypass

3

φ

4W

Input

Breaker

AC Input

3

φ

3W

Output

Breaker

Output

3

φ

4W

DC input

Bypass

Contactor

Contactor + Thyristor

Input

Contactor

Inverter

Contactor

Inverter

Chopper

Charger

Rectifier

< UPS >

TB1

Ground

Wire

To Bypass

Breaker

To TB1