12 User Guide APC Silcon 10-40kW 208V/480V UPS
990-4034
Stop/Start UPS and Operating the External Service Bypass
2.6 Operating the External Service Bypass Switch (parallel systems)
2.6.1 Bypassing the Parallel UPS System (All UPSs)
Service
bypass
switch
Load
Utility
APC Silcon
UPS
APC Silcon
UPS
CAUTION!
Do not leave UPS out of service for more than 48 hours. Refer to section 2.3 Stop (for complete
power down).