American Power Conversion 240-320kW 480V manual Programming Keys, Switching to Bypass Operation

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Parameter Settings

4.1Programming Keys

Displays time

Return to normal window

Accesses the alarm stack

Scrolls up through list

Scrolls down through list

Stores parameters/enters parameter stack

Silences the audible alarm

Chooses or changes parameters

4.2Switching to Bypass Operation

Programming Example

Action				Display shows
1.	Press	to enter parameter stack
2.	Press	or	until	Bypass operation
2.	Press	or	until	: NO
3.	Press	until		Bypass operation
3.	Press	until		: YES
				: YES
4.	Press	to store
5.	Press	to exit		Bypass operation

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22	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 ApSUser Guide APC Silcon 240-320kW 480V UPS Safety Symbols used in this manualThank You Contents Introduction IntroductionDisplay Unit Stop UPS for stand-by Stop/Start UPS and Operating the External Service BypassStart UPS from 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 Operation OperationKeyboard Display of Measured Values Batt. load Batt. tankUsing the Remote Display Economy ModeParameter Settings Parameter SettingsParameter Settings Parameter Setting CommentsProgramming Keys Switching to Bypass OperationProgramming Example 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 Parallel Operation Alarms Rectifying Alarm MessagesCorrection of false alarm situations during service Battery Monitoring Test Maintenance & TestingMaintenance & Testing Battery Capacity TestUntil Warranty WarrantyAPC Silcon UPS Limited Factory Warranty APC Corporate How to Contact APCHow to Contact APC APC Denmark