American Power Conversion 240-320kW 480V manual Introduction, Display Unit

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Introduction

1.0 Introduction

This UPS system is designed to offer reliable and problem-free power supply for several years. The system requires only a minimum of maintenance, but we recommend you follow the maintenance guidelines described in Section 6.0 Maintenance & Testing.

1.1Display Unit

The display unit (located on the front of the UPS) is the link between the user and the UPS and consists of a display, an alarm LED indicator and a keyboard. The display reads parameters, measured values and alarm messages. Alarms and the pressing of keys will activate a back light which is set to switch off automatically after 5 minutes of inactivity.

By pressing and simultaneously you increase the back light contrast. The pressing of

and simultaneously decreases the contrast.

The LED alarm is linked to an acoustic signal indicating incorrect operation. Alarms will change the LED light from green to red. Use keyboard to program operating parameters and to display parameters / alarm messages.

LCD-display with back light

Alarm LED

Green: OK

Red: Alarm

Keyboard

NOTICE!

Display accuracy is ±2%, ±1digit.

	990-4039

4	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 Stop UPS for complete power down Switching off the UPSAcoustic alarm sounds 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% Alarms and Events Alarms and EventsDisplaying the Alarm Stack 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 Maintenance & 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 Denmark