American Power Conversion 60-80kW 208/480V manual Bypassing the Parallel UPS System All UPSs

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Stop/Start UPS and Operating the External Service Bypass

2.6Operating the External Service Bypass Switch (parallel systems)

2.6.1 Bypassing the Parallel UPS System (All UPSs)

Utility

Load

Service bypass switch

APC Silcon

UPS

APC Silcon

UPS

CAUTION!

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

990-4035

12	User Guide APC Silcon 60-80kW 208V/480V UPS

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Contents APC Silcon 60-80kW 208/480V UPS User Guide Copyright 2000 APC Denmark ApSSafety Symbols used in this manual User Guide APC Silcon 60-80kW 208V/480V UPSThank You Contents Introduction IntroductionDisplay Unit Stop/Start UPS and Operating the External Service Bypass Stop UPS for stand-byStart UPS from stand-by Stop UPS for complete power down Switching off the UPSStart UPS from complete power down UPS start-upSystem start-up now completed Operating the External Service Bypass Switch single systems Bypassing the Single System UPSUPS YES Bypassing the Parallel UPS System All UPSs Acoustic alarm sounds for 30 secs Stop/Start UPS and Operating the External Service Bypass Set input switches Q001 to position 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. tankUsing the Remote Display Economy ModeParameter Settings Parameter SettingsParameter Settings Switching to Bypass Operation Programming KeysProgramming Example Load power xx% Alarms and Events Alarms and EventsDisplaying the Alarm Stack Mode CommentsPossible Alarms Alarms Description ActionUnlock Rectifying Alarm Messages Parallel Operation Alarms Correction of false alarm situations during serviceMaintenance & Testing Maintenance & TestingBattery Monitoring Test Battery Capacity TestUntil Warranty WarrantyAPC Silcon UPS Limited Factory Warranty How to Contact APC How to Contact APCAPC Corporate APC DenmarkUser Guide APC Silcon 60-80kW 208V/480V UPS User Guide APC Silcon 60-80kW 208V/480V UPS