NOTE The System Input Breaker (SIB) is located on the rear of the MBC.
Controls and Operation
6-2 Eaton BladeUPS 12 kVA Maintenance Bypass Cabinet Installation and Operation Manual P-164000130—Rev 1 www.eaton.com/powerquality
Read the operation sections of this manual and the Eaton
®
BladeUPS
®
User’s Guide
(Preassembled and Standard Systems) For use with Eaton BladeUPS 5.1 kVA to 60 kVA (N+1)
systems to have thorough knowledge of UPS operation before attempting to operate any of the
MBC controls.
6.2 Operating the UPS with a Maintenance Bypass Cabinet
NOTE Before starting the UPS with the MBC, verify that all installation tasks are complete.
The preliminary startup verifies all electrical interconnections to ensure the
installation was successful and the UPS system operates properly.
1. Verify that the UPS is Off. For additional information, ref
er to the Operation chapter in the Eaton
®
BladeUPS
®
User’s Guide (Preassembled and Standard Systems) For use with Eaton BladeUPS 5.1 kVA to
60 kVA (N+1) systems.
2. Ensure that the circuit breakers on the MBC are set as shown in Table 6-1.
Table 6-1. Settings for Circuit Breakers
SIB OPEN
MBB OPEN
RIB OPEN
UOB CLOSED
MBC Distribution Panel Main Breakers OPEN
NOTE Closed breaker is U
P; Open breaker is DOWN.
3. Close any upstream breakers to ensure the MBC has input power to the line side of the SIB.
4. Close the SIB on the MBC.
5. Close the RIB on the MBC.
NOTE Closing the RIB on the MBC provides power to the UPS.
6. Start the UPS in Normal mode (online)
according to the instructions in the Eaton
®
BladeUPS
®
User’s Guide
(Preassembled and Standard Systems) For use with Eaton BladeUPS 5.1 kVA to 60 kVA (N+1) systems.
7. Close the MBC Distribution Panel Main Breakers (load breakers).
8. Turn on the protected equipment (loads).