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]

>[

40

Page 46
Image 46
Liebert AC4 user manual Factory Defaults, Firmware Update Service Terminal Interface only

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.

One of the main features of the Liebert AC4 is its adaptability to various configurations and applications. It can be deployed in both hot aisle and cold aisle containment setups, making it versatile for different data center designs. This flexibility allows facilities to implement cooling strategies that align perfectly with their specific layouts and operational requirements.

The Liebert AC4 employs cutting-edge, variable-speed fans that enhance energy efficiency. These fans adjust their speed according to the cooling load, ensuring that the system operates at peak efficiency while significantly reducing energy consumption. This feature is essential in critical environments, where minimizing operational costs is often as important as maintaining optimal temperatures.

In addition to energy-efficient cooling, the Liebert AC4 integrates advanced monitoring and control technologies. With built-in intelligence and compatibility with the Liebert SiteScan monitoring system, users can ensure real-time visibility into their cooling operations. This monitoring capability enables data center managers to make informed decisions and swiftly address any cooling anomalies, minimizing the risk of overheating and downtime.

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.