11 Ups Wiring - Toshiba G8000 SERIES Installation And Operation Manual

11 UPS Wiring

11 UPS Wiring
Figure 11.1 illustrates the external wiring of the G8000 UPS. See corresponding section to each wiring
term.
Note: Always consult your local and NEC electrical codes for wiring, cabling, and circuit protection device
requirements.
• Power cable connection at terminal blocks/buses and external breaker provision for the AC
input/output, Bypass Input and DC input.
Figure 11.1 illustrates the external wiring of the single-input G8000 UPS. See corresponding section to each
• Earth ground wire at grounding terminal.
wiring term.
• Control wire terminal TB1 (battery cabinet and bypass breaker).
• Power cable connection at terminal blocks/buses and external breaker provision for the AC
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
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< UPS >
Input
Inverter
Rectifier
Chopper
Charger
DC input
Battery
Breaker
< Battery Cabinet >
FIGURE 11.1 - SINGLE INPUT EXTERNAL WIRING DIAGRAM
FIGURE 11.1 - EXTERNAL WIRING DIAGRAM
Contactor + Thyristor
Bypass
Contactor
Inverter
Contactor
TB1
G8000 Series Installation and Operation Manual
Output
3φ4W
Output
Breaker
27