Liebert AC4 user manual Set Date & Time/Automatic Daylight Saving Time, Setup Site ID

Models: AC4

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System and Control Options

7.7.2Set Date & Time/Automatic Daylight Saving Time

The AC4 has a built-in real-time clock that is backed up by an encapsulated lithium battery and set up to adjust automatically for daylight saving time twice a year. The Setup System Info menu allows you to set the current date or time or change the automatic adjustment at any time.

To change the daylight saving time setting or to set the current date or time:

• From the Setup System Info Menu, use the arrows ↑↓ to choose Set Date & Time, then press Enter .

• To change the daylight saving time setting:

• To the right of Daylight Svg Time, use the arrows ↑↓ to choose Y (Yes - automatically adjust for daylight saving time) or N (No), then press Enter .

The format of the date and time is DD-MMM-YY HR:MM:SS. To set the current date or time:

Press Enter to advance to the next character position you want to change.

Use the arrows ↑↓ to choose from available entries:

Date

Day (DD)

0-31

 

Month (MMM)

JAN-DEC

 

Year (YY)

00-99

Time

Hour (HR)

00-23

 

Minutes (MM)

00-59

 

Seconds (SS)

00-59

Press Enter to advance to the next character position.

When finished, press Enter again.

7.7.3Setup Site ID

You may enter a Site ID to identify the AC4’s location, using a name that may consist of up to 40 characters (see Table 12 for valid charac- ters). The Site ID will appear with each alarm.

To enter or change the Site ID:

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

To enter a Site ID:

Use the arrows ↑↓ to choose a character.

Press Enter to advance to the next character position.

If the Site ID is less than 40 characters, you may enter an underscore (_) character to indicate the end of the name.

When finished, press Enter again.

Setup System Info Menu

SETUP SYSTEM INFO CHANGE PASSWORD

>SET DATE & TIME

↑↓ =NEXT =SELECT

SETUP SITE ID FACTORY DEFAULTS

Set Date & Time

SET DATE & TIME DAYLIGHT SVG TIME: Y 18-MAY-04 10:56:30 ↑↓ =SELECT =NEXT/END

Setup System Info Menu

SETUP SYSTEM INFO CHANGE PASSWORD SET DATE & TIME

↑↓ =NEXT =SELECT

>SETUP SITE ID FACTORY DEFAULTS

Setup Site ID

SETUP SITE ID

↑↓ =SELECT =NEXT/END

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Liebert AC4 user manual Set Date & Time/Automatic Daylight Saving Time, Setup Site ID

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.