Liebert AC4 user manual LED Indicators, LED indicators summary, Output LEDs Status LEDs Input LEDs

Page 12

Introduction

1.7LED Indicators

The AC4’s controller board has LED indicators that show the status of inputs, outputs and the com- mon alarm

DS56

OUTPUT1

DS54

OUTPUT2

OUTPUT3

DS63

 

DS61

OUTPUT4

OUTPUT5

DS60

 

DS62

OUTPUT6

OUTPUT7

DS55

DS57

OUTPUT8

DS59

CTRLLOCK

DS58

SENLOCK

DS53

CMN ALR

 

DS52

 

MOP

DS51 F PROG

DS48 574 TX

DS47 574 RX

DS78 485 RX

DS79 485 TX

DS69 INPUT1

DS71 INPUT2

DS72 INPUT3

DS70 INPUT4

DS67 INPUT5

DS66 INPUT6

DS65 INPUT7

DS64 INPUT8

Output LEDs

Status LEDs

Input LEDs

Table 2

LED indicators summary

 

 

 

 

 

 

LED Type

 

LED

Color

Description

 

 

 

 

 

EIA422

 

422 TX

Green

AC4 is transmitting information over the EIA422 port

LEDs

 

422 RX

Green

AC4 is receiving information over the EIA422 port

 

 

OUTPUT1

Green

Not used

 

 

OUTPUT2

Green

Not used

 

 

OUTPUT3

Green

Not used

 

 

OUTPUT4

Green

Not used

 

 

OUTPUT5

Green

Indicates output 1 is ON or energized

Output LEDs

OUTPUT6

Green

Indicates output 2 is ON or energized

 

 

OUTPUT7

Green

Indicates output 3 is ON or energized

 

 

OUTPUT8

Green

Indicates output 4 is ON or energized

 

 

CTRLLOCK

N/A

Not used

 

 

SENLOCK

N/A

Not used

 

 

CMN ALR

Green

Indicates output is ON or energized

 

 

MOP

Green

Indicates the microprocessor is operating properly (MOP)—must be on before

 

 

AC4 will function

 

 

 

 

 

 

FPROG

Green

Indicates firmware is being upgraded—lights up during upgrade process

Status LEDs

574 TX or 232 TX

Green

AC4 is transmitting information via the RS232 port

 

 

574 RX or 232 RX

Green

AC4 is receiving information via the RS232 port

 

 

485 RX

Green

Not used

 

 

485 TX

Green

Not used

 

 

INPUT1

Red

Not used

 

 

INPUT2

Red

Not used

 

 

INPUT3

Red

Not used

Input LEDs

INPUT4

Red

Not used

INPUT5

Red

Indicates input 1 is ON or energized

 

 

 

 

INPUT6

Red

Indicates input 2 is ON or energized

 

 

INPUT7

Red

Indicates input 3 is ON or energized

 

 

INPUT8

Red

Indicates input 4 is ON or energized

6

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Contents AC4 MonitoringPage Table of Contents Setup System Setup Common Alarm 7.5 Setup System Setup Zones Appendix a Service Terminal Interface Setup MenuFigures Methods of Viewing and Configuring the AC4 Available AlarmsData Logs IntroductionLCD for configuration Outside Enclosure OverviewOperation Typical Configuration Device Liebert ChallengerDevice RS232 Liebert Himod Controller Board Overview Controller board componentsConnector RS232 DIP switchLCD connector 24VAC powerLED Indicators LED indicators summaryOutput LEDs Status LEDs Input LEDs Typical Sequence Installation Considerations InstallationPacking Contents Unpacking and Preliminary InspectionSurface-Mounting the AC4 Required toolsMounting the Panel Flush-Mounting the AC4 Connect Power to the AC4 Electrical connections to panelWiring Specifications Wiring and ConnectionsWiring specifications Connecting Digital Inputs and Outputs Connecting Liebert Environmental UnitsConnecting Digital Inputs Connecting Digital OutputsConnecting Common Alarm Outputs RS232 ConnectorSetting the Digital Output Jumpers Digital output jumper settingsOverview of Menus Guide to AC4 functionsOpening Screen Overview Main Menu OverviewLCD Menu Overview View Status Options View Active Alarms Active AlarmsClearing Active Alarms Active AlarmsView Alarm Log Alarm LogAlarm log conditions Alarm LogView Event Log Event LogEvent log conditions Event LogView Input Status Input StatusViewing Additional Input Data Digital input statesView Output Status Output StatusViewing Additional Output Data Digital output statesSilence Alarm & Backup LOG Files Service Terminal Interface Silence Alarm Service Terminal Interface onlyBack Up Log Files Service Terminal Interface only Silence Alarm & Backup Log Files Service Terminal Interface Login LoginSystem and Control Options Valid characters for data entryLogin Screen System & Control menu Clear Alarms&Logs selectedSetup System menu Clear Alarms/Logs menuSetup System Overview Setup System Setup InputsDefine Input as Alarmable or Event Change Label Name of InputDefine Input as Normally Open or Normally Closed Set Up Alarmable Inputs in Latched or Unlatched Mode Set Up Delay TimeDelay Time Latched / UnlatchedSetup System Setup Common Alarm Change to Reset Y or Not Reset NReset Common Alarm Setup System Setup Zones Set Up a ZoneMessage if too few devices entered Message if too many devices enteredSetup System Setup Outputs Define Output as Normally Open or Normally ClosedDefine Operating or Standby Mode Enable or Disable an Output Device in Alarm StatusConfigure Output for Loss of Power Fail-Safe Set ModeSetup System Setup System Info Change PasswordChange the Password Reset Password to the Factory Default AaaaSetup Site ID Setup Site IDSet Date & Time/Automatic Daylight Saving Time Set Date & TimeBackup and Upload Configuration File Back Up the Configuration File Upload the Configuration File Factory Defaults Factory DefaultsFirmware Update Service Terminal Interface only System and Control Options Setup Operation Select Setup Operation Setup System MenuSetup Operation Menu Default settings operation featuresTurn Automatic Sequencing On or Off Activate / DeactivateSet Interval & Start Time 1- to 99-Day Interval Set Start Time Hour IntervalTurn Standby Testing On or Off Change Standby TestingSpecify Failed Standby Response Failed Standby responseSpecify Hold Delay Time Hold Delay TimeSetup Operation Menu Restart Delay TimeOverride Output Clear Alarms & Logs Clear Active AlarmsClear the Alarm Log Clear the Event LogAC4 Specifications SpecificationsAppendix a Service Terminal Interface Comparison of Functions LCD and Service Terminal InterfaceConnecting to the Service Terminal Interface COM1 Port Setup Create a ConnectionSpecify COM Port Connection Properties Setup Ascii SetupSettings tab Ascii Setup buttonConnect to the Service Terminal Interface Click on the file name for example, AC4.htSilence Alarm and Backup Log Files Setup Menu OverviewView Status Overview Main Menu For sample screens, seeView Status Menus Main MenuMain Menu View Active Alarms View Active AlarmsView Alarm Log View Alarm LogView Event Log View Event LogView Input Status View Input StatusView Output Status View Output StatusSilence Alarm Section A.5.1 Section A.5.2Back Up Alarm Log File Backup Log Files Alarm Log FileBackup Log Files Event Log File Back Up Event Log FileSetup Menu Login MenuLogin Setup Menu Setup MenuTips on Using the Service Terminal Interface See DescriptionSetup Inputs Setup InputsSetup Common Alarm Setup Common AlarmSetup Zones Setup ZonesSetup Outputs Setup OutputsSetup System Info Setup System InfoChange Password Setup Site ID Set Date & TimeBackup & Upload Configuration File Backup Backup & Upload Configuration File Upload Factory DefaultsFirmware Update Service Terminal Interface only Firmware UpdateSetup Operation Setup Operation Auto SequencingAuto Sequencing Standby Testing Setup Operation Standby TestingHold Delay Setup Operation Failed StandbySetup Operation Hold Delay Failed StandbyRestart Delay Setup Operation Restart DelayOverride Output Override OutputClear Alarms & Logs Clear Alarms & Logs Clear Active AlarmsClear Alarms & Logs Clear the Alarm Log Clear Alarms & Logs Clear the Event Log Page Technical Support/Service Company Behind the ProductsLocations Asia 23F, Allied Kajima Bldg
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AC4 specifications

The Liebert AC4 is a highly advanced cooling solution designed for critical environments, such as data centers and telecommunications facilities. As data demands rise and IT equipment generates significant heat, an effective cooling system is paramount to maintaining optimal performance and reliability. The Liebert AC4 stands out in this space, offering a blend of efficiency, flexibility, and innovative technology.

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Furthermore, the system is designed to be easy to install and maintain, reducing downtime during setup and upkeep. The modular design allows for scalability, enabling organizations to expand their cooling capabilities as their needs grow.

The Liebert AC4 also features a robust construction that enhances reliability and durability, making it an ideal choice for environments where equipment uptime is critical. Its streamlined design not only optimizes airflow and cooling distribution but also contributes to aesthetic considerations in professional settings.

In conclusion, the Liebert AC4 combines efficiency, versatility, and advanced technologies to deliver a reliable cooling solution for modern data centers and critical facilities. Its variable-speed fans, flexible configurations, and advanced monitoring capabilities position it as a leader in the competitive field of cooling solutions, ensuring that critical equipment remains operational and efficient. Organizations looking to enhance their cooling strategies will find the Liebert AC4 to be an invaluable asset in today’s fast-paced digital landscape.