Toshiba G8000 SERIES Installation And Operation Manual page 41

11 UPS Wiring
Figure 11.1 illustrates the external wiring of the G8000 UPS. See corresponding section to each wiring
term.
• Power cable connection at terminal blocks/buses and external breaker provision for the AC
Figure 11.2 illustrates the external wiring of the dual-input G8000 UPS. See corresponding section to each
input/output, Bypass Input and DC input.
wiring term.
• Earth ground wire at grounding terminal.
• Power cable connection at terminal blocks/buses and external breaker provision for the AC
• Control wire terminal TB1 (battery cabinet and bypass breaker).
input/output, Bypass Input and DC input.
• Earth ground wire at grounding terminal.
• Control wire terminal TB1 (battery cabinet and bypass breaker)
Bypass
3φ4W
Bypass
Breaker
AC Input
Contactor
3φ3W
Input
Breaker
Ground
Wire
An external maintenance bypass may be installed in parallel with the UPS to allow servicing of the G8000
while maintaining power to the UPS load. Contact the Toshiba Customer Service for further information.
G8000 Series Installation Manual
G8000 Series Installation and Operation Manual
< UPS >
Input
Inverter
Rectifier
Chopper
Charger
DC input
Battery
Breaker
< Battery Cabinet >
FIGURE 11.2 - DUAL INPUT EXTERNAL WIRING DIAGRAM
FIGURE 11.1 - EXTERNAL WIRING DIAGRAM
Contactor + Thyristor
Bypass
Contactor
Inverter
Contactor
TB1
Output
3φ4W
Output
Breaker
27
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