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American Power Conversion 480kW400V User Manual

Page 12

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12

User Guide APC Silcon 480kW 400V UPS

990-4058

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

Mains

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).