American Power Conversion 480kW400V 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.

	990-4058

User Guide APC Silcon 480kW 400V UPS	3

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Contents Copyright 2001 APC Japan 480kW400V UPS User GuideThank You User Guide APC Silcon 480kW 400V UPSIntroduction IntroductionDisplay Unit Stop/Start UPS and Operating the External Service Bypass Stop UPS for stand-byStart UPS from stand-by Switching off the UPS Stop UPS for complete power downSystem OFF UPS start-up Start UPS from complete power downSystem start-up now completed Bypassing the Single System UPS Operating the External Service Bypass Switch single systemsStop/Start UPS and Operating the External Service Bypass System OFF Normal operation Load power 0% Bypass operation Bypassing the Parallel UPS System All UPSs Press On the keyboard until 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 Using the Remote DisplayEconomy Mode Parameter Settings Parameter SettingsParameter Settings Switching to Bypass Operation Programming KeysProgramming Example To return to normal operation Mode Comments Alarms and EventsAlarms and Events Displaying the Alarm StackAlarms Description Action Possible AlarmsAlarms and Events Rectifying Alarm Messages Parallel Operation AlarmsCorrection of false alarm situations during service Battery Capacity Test Maintenance & TestingMaintenance & Testing Battery Monitoring TestUntil Battery capacity Test Xxx Press Data stored Warranty WarrantyAPC Silcon UPS Limited Factory Warranty APC Denmark How to Contact APCHow to Contact APC APC CorporateHow to Contact APC