Liebert AC4 user manual Select Setup Operation Setup System Menu, Setup Operation Menu

Page 48

System and Control Options

7.8Setup Operation

The AC4’s operation features allow you to set up a rotation sequence to alternate which devices are operating and which are placed on Standby, as well as test devices while in Standby mode and specify what to do when a Standby device goes into alarm as it is powered up. You may also specify delay times after an output changes state, direct- ing the AC4 to wait before acknowledging inputs or turning an output on or off.

To change any operation features:

Log In and Choose Setup System

• From the Main Menu, use the arrows ↑↓ to choose System and Control, then press Enter (see 7.1 - Login for help).

• Enter your password at the Login screen.

• From the System and Control Menu, use the arrows ↑↓ to choose Setup System, then press Enter .

Select Setup Operation

Setup System Menu

SETUP INPUTS SETUP COMMON ALARM SETUP ZONES

↑↓ =NEXT =SELECT

SETUP OUTPUTS SETUP SYSTEM INFO

> SETUP OPERATION

Setup Operation Menu

>AUTO SEQUENCING OFF STANDBY TESTING OFF

FAILED STANDBY N

↑↓ =NEXT

=SELECT

 

 

HOLD DELAY

: 10:00

RESTART

 

: 00:06

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

• Use the steps following Table 18 to access any of the Setup Operation options.

Table 18 shows the default settings for operation options: automatic sequencing, standby testing, failed standby, hold delay and restart.

Table 18 Default settings - operation features

Feature

Default

Other Options

 

 

 

AUTO SEQUENCING

OFF (Deactivated)

ON (Activated), 12h (Activated for 12-hour intervals)

STANDBY TESTING

OFF (Deactivated)

ON (Activated)

FAILED STANDBY

N (Deactivated)

Y (Activated)

HOLD DELAY

10:00 (No delay)

Any time (in minutes and seconds) from 00:00 to 99:59

RESTART

00:06 (No delay)

Any time (in minutes and seconds) from 00:00 to 99:59

42

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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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