American Power Conversion 240-320kW 480V manual

Stop/Start UPS and Operating the External Service Bypass

CAUTION!

Do not leave UPS out of service for more than 48 hours. Refer to section 2.3 Stop (for complete power down).

2.5.2Switching the Single System UPS from External Bypass into Normal UPS Operation

Single Utility

Utility

Load

Utility 2

Service Bypass

Switch

APC Silcon

Dual Utility

Load

Service Bypass

Switch

APC Silcon

UPS

Utility 1

UPS

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

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American Power Conversion 240-320kW 480V manual Service Bypass Switch APC Silcon

Contents

APC Silcon 240-320kW 480V UPS User Guide Copyright 2000 APC Denmark ApS User 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 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 Operation OperationKeyboard Display of Measured Values Batt. load Batt. tank Using the Remote Display Economy Mode Parameter Settings Parameter SettingsParameter Settings Parameter Setting Comments Programming Keys Switching to Bypass OperationProgramming Example 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 Parallel Operation Alarms Rectifying Alarm MessagesCorrection of false alarm situations during service Battery Monitoring Test Maintenance & TestingMaintenance & Testing Battery Capacity Test Until Warranty WarrantyAPC Silcon UPS Limited Factory Warranty APC Corporate How to Contact APCHow to Contact APC APC Denmark