beautypg.com

American Power Conversion 240-320kW 480V User Manual

Page 14

background image

14

User Guide APC Silcon 240-320kW 480V UPS

990-4039

Stop/Start UPS and Operating the External Service Bypass

2.6.2 Switching the Parallel System from External Bypass into Normal UPS

Operation

NOTICE!

If battery has been disconnected, please refer to section 2.4.1 UPS start-up.

Service

bypass

switch

Load

Utility

APC Silcon

UPS

APC Silcon

UPS

Q010a

Q001a

Q002a

Q004

Q010b

Q001b

Q002b

Q003

H003

H004

H002b

H002a

H010a

H010b

Service

bypass

Load

APC Silcon

UPS

APC Silcon

UPS

switch

Dual Utility

Single Utility

Utility 2

Utility 1