Liebert AC4 user manual Factory Defaults, Firmware Update Service Terminal Interface only

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System and Control Options

7.7.5Factory Defaults

At any time, you may restore all default values for settings in the AC4 as it was shipped.

NOTE

This action will overwrite any configuration settings. You may want to back up your settings before restoring the factory defaults. See Backup and Upload Configuration File (Service Terminal Interface only) in A.6.5 - Setup System Info for details on backing up settings using the Service Terminal Interface.

The password is the sole exception when reverting to the factory default settings. The password can be reset to the factory default of

AAAAthrough the DIP switches. For details, see Change Password on page 35.

Setup System Info Menu

SETUP SYSTEM INFO CHANGE PASSWORD SET DATE & TIME

↑↓ =NEXT =SELECT

SETUP SITE ID

> FACTORY DEFAULTS

Factory Defaults

RESTORE ALL DEFAULTS ARE YOU SURE? N

↑↓ =Y/N

=END

7.7.6Perform Firmware Update (Service Terminal Interface only)

This function, which may be performed only through the Service Terminal Interface, upgrades the AC4’s firmware to the newest version.

NOTE

This action will overwrite any configuration settings. You may want to back up your settings before restoring the factory defaults. See Backup and Upload Configuration File (Service Terminal Interface only) in A.6.5 - Setup System Info for details on backing up settings using the Service Terminal Interface.

Connect to the AC4 either from a remote computer or through the RS232 port (see A.2 - Connecting to the Service Terminal Interface).

At the Main Menu, enter 0 (zero—Setup System-Login Required).

At the Login Menu, enter your password.

At the Setup Menu, enter 5 (Setup System Information).

At the Setup System Info menu, enter 6 (Perform Firmware Update).

At the Perform Firmware Update menu, shown below, enter 1 to proceed with an update.

Firmware Update

(Service Terminal Interface only)

PERFORM FIRMWARE UPDATE

This command will update the existing firmware

1=PERFORM FIRMWARE UPDATE

2=RETURN TO SETUP SYSTEM INFO MENU 3=RETURN TO SETUP MENU

4=RETURN TO MAIN MENU

SELECT A NUMBER:1

To perform the update:

1.At the Perform Firmware Update prompt, enter Y (Yes - begin) or N (No - cancel). The current setting appears in brackets—[N] in the following example.

>PERFORM FIRMWARE UPDATE-YES(Y) OR NO(N)? >[N]

>[

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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 Data Logs Methods of Viewing and Configuring the AC4Available Alarms IntroductionOutside Enclosure Overview LCD for configurationOperation Device Liebert Challenger Typical ConfigurationDevice RS232 Liebert Himod Controller Board Overview Controller board componentsLCD connector Connector RS232DIP switch 24VAC powerLED indicators summary LED IndicatorsOutput LEDs Status LEDs Input LEDs Typical Sequence Packing Contents Installation ConsiderationsInstallation Unpacking and Preliminary InspectionRequired tools Surface-Mounting the AC4Mounting the Panel Flush-Mounting the AC4 Connect Power to the AC4 Electrical connections to panelWiring and Connections Wiring SpecificationsWiring specifications Connecting Digital Inputs Connecting Digital Inputs and OutputsConnecting Liebert Environmental Units Connecting Digital OutputsSetting the Digital Output Jumpers Connecting Common Alarm OutputsRS232 Connector Digital output jumper settingsOverview of Menus Guide to AC4 functionsMain Menu Overview Opening Screen OverviewLCD Menu Overview View Status Options Clearing Active Alarms View Active AlarmsActive Alarms Active AlarmsAlarm log conditions View Alarm LogAlarm Log Alarm LogEvent log conditions View Event LogEvent Log Event LogViewing Additional Input Data View Input StatusInput Status Digital input statesViewing Additional Output Data View Output StatusOutput Status 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 System and Control Options LoginLogin Valid characters for data entrySetup System menu Login ScreenSystem & Control menu Clear Alarms&Logs selected Clear Alarms/Logs menuSetup System Overview Setup System Setup InputsChange Label Name of Input Define Input as Alarmable or EventDefine Input as Normally Open or Normally Closed Delay Time Set Up Alarmable Inputs in Latched or Unlatched ModeSet Up Delay Time Latched / UnlatchedChange to Reset Y or Not Reset N Setup System Setup Common AlarmReset Common Alarm Message if too few devices entered Setup System Setup ZonesSet Up a Zone Message if too many devices enteredSetup System Setup Outputs Define Output as Normally Open or Normally ClosedConfigure Output for Loss of Power Fail-Safe Define Operating or Standby ModeEnable or Disable an Output Device in Alarm Status Set ModeChange the Password Setup System Setup System InfoChange Password Reset Password to the Factory Default AaaaSet Date & Time/Automatic Daylight Saving Time Setup Site IDSetup Site ID 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 Menu Setup OperationSelect Setup Operation Setup System Menu Default settings operation featuresSet Interval & Start Time 1- to 99-Day Interval Turn Automatic Sequencing On or OffActivate / Deactivate Set Start Time Hour IntervalSpecify Failed Standby Response Turn Standby Testing On or OffChange Standby Testing Failed Standby responseSetup Operation Menu Specify Hold Delay TimeHold Delay Time Restart Delay TimeOverride Output Clear the Alarm Log Clear Alarms & LogsClear Active Alarms Clear the Event LogAC4 Specifications SpecificationsAppendix a Service Terminal Interface Comparison of Functions LCD and Service Terminal InterfaceConnecting to the Service Terminal Interface Create a Connection COM1 Port SetupSpecify COM Port Connection Settings tab Properties SetupAscii Setup Ascii Setup buttonConnect to the Service Terminal Interface Click on the file name for example, AC4.htView Status Overview Silence Alarm and Backup Log FilesSetup Menu Overview Main Menu For sample screens, seeMain Menu View Status MenusMain 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.5.2Backup Log Files Event Log File Back Up Alarm Log FileBackup Log Files Alarm Log File Back Up Event Log FileLogin Menu Setup MenuLogin Tips on Using the Service Terminal Interface Setup MenuSetup Menu 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 Auto Sequencing Setup OperationAuto Sequencing Standby Testing Setup Operation Standby TestingSetup Operation Hold Delay Hold DelaySetup Operation Failed Standby Failed StandbyRestart Delay Setup Operation Restart DelayOverride Output Override OutputClear Alarms & Logs Clear Active Alarms Clear Alarms & LogsClear Alarms & Logs Clear the Alarm Log Clear Alarms & Logs Clear the Event Log Page Locations Technical Support/ServiceCompany Behind the Products 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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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.

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