American Power Conversion 120-160kW manual Stop UPS for complete power down, Switching off the UPS

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Stop/Start UPS and Operating the External Service Bypass

2.3Stop UPS (for complete power down)

2.3.1 Switching off the UPS

CAUTION!

If the UPS system is equipped with a Service Bypass Panel, and if the load must remain energized by mains, refer to the Operating Service Bypass Panel sections in this guide before proceeding

Red / OFF

Green /ON

WARNING!

TEST BEFORE YOU TOUCH!

A special design feature switches the system into bypass operation in the event of internal power supply failure or controller circuit failure to ensure uninterrupted output voltage.

Because of this special feature, the UPS may contain output voltage even when it is switched off.

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User Guide APC Silcon 120-160kW 400V UPS

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Contents 120-160kW 400V UPS User Guide Copyright 2000 APC Denmark ApSSafety Symbols used in this manual User Guide APC Silcon 120-160kW 400V UPSThank You Contents Introduction IntroductionDisplay Unit Stop UPS for stand-by Stop/Start UPS and Operating the External Service BypassNormal operation Load power xx% Start UPS from stand-byStop UPS for complete power down Switching off the UPSBlank Start UPS from complete power down UPS start-upSystem OFF Normal operation load power XX% Display showsOperating the External Service Bypass Switch single systems Bypassing the Single System UPSBypass operation Stop/Start UPS and Operating the External Service Bypass System OFF Normal operation Load power 0% Bypass operation Bypass operation Normal operation Load power 0%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 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% Displaying the Alarm Stack Alarms and EventsAlarms and Events Mode CommentsPossible Alarms Alarms Description ActionDisplay will show invalid UPS data Rectifying Alarm Messages Parallel Operation AlarmsCorrection of false alarm situations during service Battery Monitoring Test Maintenance & TestingMaintenance & Testing Battery Capacity TestTest Xxx Press Battery capacity TestUntil Test PressWarranty WarrantyAPC Silcon UPS Limited Factory Warranty APC Corporate How to Contact APCHow to Contact APC APC Denmark