Liebert AC4 user manual Setup System Setup System Info, Change Password, Change the Password

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System and Control Options

7.7Setup System - Setup System Info

The Setup System Info options allow users to:

Change Password—used for access to system setup functions

Set Date & Time/Automatic Daylight Saving Time—used to set the AC4’s date and time and to enable automatic time change for Daylight Saving Time

Setup Site ID—the AC4’s location to differentiate among sites if more than one AC4 is in use

Backup and Upload Configuration File (Service Terminal Interface only)—permits the user to copy the AC4’s configuration settings and to upload the file to the AC4

Factory Defaults—returns the AC4 to its factory settings

Perform Firmware Update (Service Terminal Interface only)—changes the AC4’s firmware to newest version

To change any Setup System Info features:

 

 

 

 

 

Log In and Choose Setup System

 

Setup System Menu

• From the Main Menu, use the arrows ↑↓ to choose System and

 

 

 

 

 

SETUP INPUTS

Control, then press Enter (see 7.1 - Login for help).

 

 

 

 

SETUP COMMON ALARM

• Enter your password at the Login screen.

 

 

 

 

SETUP ZONES

• From the System and Control Menu, use the arrows ↑↓

to choose

 

↑↓ =NEXT

=SELECT

 

 

SETUP OUTPUTS

Setup System, then press Enter .

 

 

Select Setup System Info

 

> SETUP SYSTEM INFO

 

 

SETUP OPERATION

 

 

 

 

 

 

 

 

 

From the Setup System Menu, shown at right, use the arrows ↑↓ to choose Setup System Info and press Enter .

Use the following steps to access any of the Setup System Info options.

7.7.1Change Password

A password is required to access the AC4’s system and control options, as described in 7.1 - Login. The password consists of four characters (see Table 12 for valid characters). The default password is AAAA.

Change the Password

To change the password:

• From the Setup System Info Menu, use the arrows ↑↓ to choose Change Password, then press Enter .

To change your password:

Use the arrows ↑↓ to choose a character.

Press Enter to advance to the next character position.

When finished, press Enter again.

Setup System Info Menu

SETUP SYSTEM INFO

>CHANGE PASSWORD

SET DATE & TIME

↑↓ =NEXT =SELECT

SETUP SITE ID FACTORY DEFAULTS

Change Password

CHANGE PASSWORD

AAAA

↑↓ =SELECT =NEXT/END

Reset Password to the Factory Default (“AAAA”)

To reset the password to the factory default of AAAA:

Locate DIP switch 1 on the unit’s circuit board (see 1.6 - Controller Board Overview) and move all switches to the OFF position (down).

Move the second switch to the ON position, then to the OFF position.

Move the seventh switch to the ON position, then to the OFF position.

Move the eighth switch to the ON position, then to the OFF position.

The password should now be AAAA.

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Contents Monitoring AC4Page Table of Contents Setup System Setup Common Alarm 7.5 Setup System Setup Zones Setup Menu Appendix a Service Terminal InterfaceFigures Available Alarms Methods of Viewing and Configuring the AC4Data Logs IntroductionOperation LCD for configurationOutside Enclosure Overview Device RS232 Liebert Himod Typical ConfigurationDevice Liebert Challenger Controller board components Controller Board OverviewDIP switch Connector RS232LCD connector 24VAC powerOutput LEDs Status LEDs Input LEDs LED IndicatorsLED indicators summary Typical Sequence Installation Installation ConsiderationsPacking Contents Unpacking and Preliminary InspectionMounting the Panel Surface-Mounting the AC4Required tools Flush-Mounting the AC4 Electrical connections to panel Connect Power to the AC4Wiring specifications Wiring SpecificationsWiring and Connections Connecting Liebert Environmental Units Connecting Digital Inputs and OutputsConnecting Digital Inputs Connecting Digital OutputsRS232 Connector Connecting Common Alarm OutputsSetting the Digital Output Jumpers Digital output jumper settingsGuide to AC4 functions Overview of MenusLCD Menu Overview Opening Screen OverviewMain Menu Overview View Status Options Active Alarms View Active AlarmsClearing Active Alarms Active AlarmsAlarm Log View Alarm LogAlarm log conditions Alarm LogEvent Log View Event LogEvent log conditions Event LogInput Status View Input StatusViewing Additional Input Data Digital input statesOutput Status View Output StatusViewing Additional Output Data Digital output statesSilence Alarm Service Terminal Interface only Silence Alarm & Backup LOG Files Service Terminal InterfaceBack Up Log Files Service Terminal Interface only Silence Alarm & Backup Log Files Service Terminal Interface Login LoginSystem and Control Options Valid characters for data entrySystem & Control menu Clear Alarms&Logs selected Login ScreenSetup System menu Clear Alarms/Logs menuSetup System Setup Inputs Setup System OverviewDefine Input as Normally Open or Normally Closed Define Input as Alarmable or EventChange Label Name of Input Set Up Delay Time Set Up Alarmable Inputs in Latched or Unlatched ModeDelay Time Latched / UnlatchedReset Common Alarm Setup System Setup Common AlarmChange to Reset Y or Not Reset N Set Up a Zone Setup System Setup ZonesMessage if too few devices entered Message if too many devices enteredDefine Output as Normally Open or Normally Closed Setup System Setup OutputsEnable or Disable an Output Device in Alarm Status Define Operating or Standby ModeConfigure Output for Loss of Power Fail-Safe Set ModeChange Password Setup System Setup System InfoChange 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 Firmware Update Service Terminal Interface only Factory DefaultsFactory Defaults System and Control Options Select Setup Operation Setup System Menu Setup OperationSetup Operation Menu Default settings operation featuresActivate / Deactivate Turn Automatic Sequencing On or OffSet Interval & Start Time 1- to 99-Day Interval Set Start Time Hour IntervalChange Standby Testing Turn Standby Testing On or OffSpecify Failed Standby Response Failed Standby responseHold Delay Time Specify Hold Delay TimeSetup Operation Menu Restart Delay TimeOverride Output Clear Active Alarms Clear Alarms & LogsClear the Alarm Log Clear the Event LogSpecifications AC4 SpecificationsComparison of Functions LCD and Service Terminal Interface Appendix a Service Terminal InterfaceConnecting to the Service Terminal Interface Specify COM Port Connection COM1 Port SetupCreate a Connection Ascii Setup Properties SetupSettings tab Ascii Setup buttonClick on the file name for example, AC4.ht Connect to the Service Terminal InterfaceSetup Menu Overview Silence Alarm and Backup Log FilesView Status 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 StatusSection A.5.1 Section A.5.2 Silence AlarmBackup Log Files Alarm Log File Back Up Alarm Log FileBackup Log Files Event Log File Back Up Event Log FileLogin Setup MenuLogin Menu 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 OutputsChange Password Setup System InfoSetup System Info Set Date & Time Setup Site IDBackup & Upload Configuration File Backup Factory Defaults Backup & Upload Configuration File UploadFirmware Update Firmware Update Service Terminal Interface onlyAuto Sequencing Setup OperationSetup Operation Auto Sequencing Setup Operation Standby Testing Standby TestingSetup Operation Failed Standby Hold DelaySetup Operation Hold Delay Failed StandbySetup Operation Restart Delay Restart DelayOverride Output Override OutputClear Alarms & Logs Clear the Alarm Log Clear Alarms & LogsClear Alarms & Logs Clear Active Alarms Clear Alarms & Logs Clear the Event Log Page Company Behind the Products Technical Support/ServiceLocations 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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