American Power Conversion 240-320kW 480V Stop/Start UPS and Operating the External Service Bypass

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Stop/Start UPS and Operating the External Service Bypass

2.6.2Switching the Parallel System from External Bypass into Normal UPS Operation

Single Utility

Utility

Dual Utility

H003

Load Utility 2

Load

Service bypass switch

APC Silcon

UPS

APC Silcon

UPS

		Q003
		Service
		bypass
		switch
	H010a
Utility 1	Q010a	APC Silcon
Utility 1		UPS
	Q001a	UPS
	Q001a
	H010b
	Q010b	APC Silcon
	Q001b	UPS
	Q001b

Q004

H002a

Q002a

H002b

Q002b

H004

NOTICE!

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

	990-4039

14	User Guide APC Silcon 240-320kW 480V UPS

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Contents APC Silcon 240-320kW 480V UPS User Guide Copyright 2000 APC Denmark ApSThank You Safety Symbols used in this manualUser Guide APC Silcon 240-320kW 480V UPS Contents Display Unit IntroductionIntroduction Start UPS from stand-by Stop/Start UPS and Operating the External Service BypassStop UPS for stand-by Acoustic alarm sounds Stop UPS for complete power downSwitching off the UPS Reset the acoustic alarm by pressingStart UPS from complete power down UPS Start-upClose the front doors Operating the External Service Bypass Switch single systems Service Bypass Switch APC Silcon System OFF Normal operation Load power 0% Bypassing the Parallel UPS System All UPSs Dual UtilityLamp indication on Bypass Panel Stop/Start UPS and Operating the External Service Bypass Press On the keyboard Following can be carried out on any UPSIsolating one UPS in a Parallel/Redundant System Stop/Start UPS and Operating the External Service Bypass Keyboard OperationOperation Display of Measured Values Batt. load Batt. tankUsing the Remote Display Economy ModeParameter Settings Parameter SettingsParameter Settings Parameter Setting CommentsProgramming Example Switching to Bypass OperationProgramming Keys Load power xx% Displaying the Alarm Stack Alarms and EventsAlarms and Events Displaying the Event StackPossible alarms Alarms Description ActionDisplay will show invalid UPS data Correction of false alarm situations during service Rectifying Alarm MessagesParallel Operation Alarms Battery Monitoring Test Maintenance & TestingMaintenance & Testing Battery Capacity TestUntil APC Silcon UPS Limited Factory Warranty WarrantyWarranty APC Corporate How to Contact APCHow to Contact APC APC Denmark