Stop/Start UPS and Operating the External Service Bypass
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User Guide APC Silcon 120-160kW 400V UPS 11
2.5.2 Switching the Single System UPS from External Bypass into Normal UPS
Operation
CAUTION!
Do not leave UPS out of service for more than 48 hours. Refer to section 2.3 Stop (for complete
power down).
APC Silcon
UPS
Load
Service Bypass
Switch
Mains