American Power Conversion 480kW manual Introduction, Display Unit

Page 4

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.

990-4058GB

4	User Guide APC Silcon 480kW 400/415V UPS

Image 4

Contents 480kW 400/415V UPS User Guide Copyright 2002 APC JapanUser Guide APC Silcon 480kW 400/415V UPS Thank YouContents 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 UPSSystem OFF Start UPS from complete power down UPS start-upSystem start-up now completed Operating the External Service Bypass Switch single systems Bypassing the Single System UPSStop/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 Using the Remote Display Display of Measured ValuesEconomy Mode Parameter Settings Parameter SettingsParameter Settings Programming Keys Switching to Bypass OperationProgramming Example Normal operation Alarms and Events Alarms and EventsDisplaying the Alarm Stack Mode CommentsPossible Alarms Alarms Description ActionAlarms and Events Parallel Operation Alarms Rectifying Alarm MessagesCorrection of false alarm situations during service Maintenance & Testing Maintenance & TestingBattery Monitoring Test Battery Capacity TestUntil Battery capacity Test Xxx Press Data stored Warranty WarrantyAPC Silcon UPS Limited Factory Warranty How to Contact APC How to Contact APCAPC Corporate APC Denmark