American Power Conversion 120-160kW 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

Mains

Load

Service bypass switch

APC Silcon

UPS

APC Silcon

UPS

NOTICE!

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

	990-4036

User Guide APC Silcon 120-160kW 400V UPS	15

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Contents Copyright 2000 APC Denmark ApS 120-160kW 400V UPS User GuideSafety Symbols used in this manual User Guide APC Silcon 120-160kW 400V UPSThank You Contents Introduction IntroductionDisplay Unit Start UPS from stand-by Stop/Start UPS and Operating the External Service BypassNormal operation Load power xx% Stop UPS for stand-bySwitching off the UPS Stop UPS for complete power downBlank UPS start-up Start UPS from complete power downDisplay shows System OFF Normal operation load power XX%Operating the External Service Bypass Switch single systems Bypassing the Single System UPSBypass operation Stop/Start UPS and Operating the External Service Bypass Bypass operation Normal operation Load power 0% System OFF Normal operation Load power 0% Bypass operationBypassing 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 Press the green on button on all systemsPress On the keyboard Isolating one UPS in a Parallel/Redundant System Stop/Start UPS and Operating the External Service Bypass Operation OperationKeyboard Using the Remote Display Display of Measured ValuesBatt. load Batt. tank Economy Mode Parameter Settings Parameter SettingsParameter Settings Switching to Bypass Operation Programming KeysProgramming Example Load power xx% Mode Comments Alarms and EventsAlarms and Events Displaying the Alarm StackAlarms Description Action Possible AlarmsDisplay will show invalid UPS data Rectifying Alarm Messages Parallel Operation AlarmsCorrection of false alarm situations during service Battery Capacity Test Maintenance & TestingMaintenance & Testing Battery Monitoring TestTest Press Battery capacity TestUntil Test Xxx PressWarranty WarrantyAPC Silcon UPS Limited Factory Warranty APC Denmark How to Contact APCHow to Contact APC APC Corporate