American Power Conversion 240-320kW 480V guide

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

Image 14

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

Contents

APC Silcon 240-320kW 480V UPS User Guide Copyright 2000 APC Denmark ApS Thank 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 pressing Start UPS from complete power down UPS Start-up Close 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 Utility Lamp indication on Bypass Panel Stop/Start UPS and Operating the External Service Bypass Press On the keyboard Following can be carried out on any UPS Isolating 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. tank Using the Remote Display Economy Mode Parameter Settings Parameter SettingsParameter Settings Parameter Setting Comments Programming Example Switching to Bypass OperationProgramming Keys Load power xx% Displaying the Alarm Stack Alarms and EventsAlarms and Events Displaying the Event Stack Possible alarms Alarms Description Action Display 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 Test Until APC Silcon UPS Limited Factory Warranty WarrantyWarranty APC Corporate How to Contact APCHow to Contact APC APC Denmark