TOSHIBA
14) Additional warnings and notifications shall be posted at the equipment installation location as
deemed required by
Qualified Personnel
.
CAUTION
When the UPS is in the Inverter mode, turning the breaker to the OFF
position will cause the unit to go into the battery backup mode. The
UPS will continue to provide power to the load. The unit must be in Bypass mode and then
the breaker turned to the OFF position for the UPS to shut down power to the load.
CAUTION
Do not EPO (Emergency Power OFF) the UPS and then reset the
breaker until the UPS has been fully discharged. The UPS could be
damaged if the unit is not fully powered down before the breaker is
reset.
4.0 UPS Connections
4.1
Power Connections
4.1.1
Power Connections 15/25/30 kVA with Internal Batteries
The following illustrates the wiring connections from the power distribution panel (not part
of the UPS) to the terminal block of the 15/25/30 kVA UPS Models.
Ensure the three-phase commercial power input is connected for clockwise rotation. The
UPS output function is disabled if the input power is not phased for clockwise rotation.
* Customer-provided breaker for units with optional Bypass Input.
Optional Bypass Input:
3-phase, 3-Wire
*208 V requires 3-phase,
4-Wire Wye
TB4
TB1
CUSTOMER-PROVIDED AC DISTRIBUTION PANEL
INPUT GROUND RESISTANCE
LESS THAN 10 OHMS
4200FA CT/XT User’s Manual
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