11 Ups Wiring - Toshiba G8000 SERIES Installation And Operation Manual

11 UPS Wiring

11 UPS Wiring

Note: Always consult your local and NEC electrical codes for wiring, cabling, and circuit protection device
requirements. Figure 11.1 illustrates the external wiring of the G8000 UpS. See corresponding section to each wiring
term.
Figure 11.1 illustrates the external wiring of the G8000 UpS. See corresponding section to each wiring
power cable connection at terminal blocks/buses and external breaker provision for the AC
term.
input/output, bypass Input and DC input.
• power cable connection at terminal blocks/buses and external breaker provision for the AC
earth ground wire at grounding terminal.
input/output, bypass Input and DC input.
Control wire terminal Tb1 (battery cabinet and bypass breaker).
• earth ground wire at grounding terminal.
• Control wire terminal Tb1 (battery cabinet and bypass breaker)
Bypass
3f 3W
bypass
3 4w
bypass
AC Input
breaker
3f 3W
AC Input
3 3w
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 with Isolated output Installation and operation manual
< UpS >
Input
Contactor
rectifier
Chopper
Charger
DC input
< battery Cabinet >
FIGURE 11.1 - EXTERNAL WIRING DIAGRAM
FIGURE 11.1 - EXTERNAL WIRING DIAGRAM
Contactor + Thyristor
bypass
Contactor
Inverter Inverter
Contactor
Tb1
battery
breaker
output
3 4w
output
breaker
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