Overview of Menus

4.1Opening Screen Overview

The AC4 displays the Opening Screen at startup, as shown in Figure 7.

If any alarms are active, the Current Alarm screen appears. (Pressing any key on the LCD keypad will silence the audible alarm.)

If no alarms are present, the Main Menu appears.

4.2Main Menu Overview

The Main Menu offers access to all functions within the panel. As shown in Table 7, the functions are organized into three sections with step-by-step instructions.

Table 7

Primary Functions Overview

 

 

 

 

Section

Description

5.0 - View Status Options

These features are available to all users. This permits all personnel to check the

(both LCD and Service

status of any monitored equipment or location. From this menu, any user may:

Terminal Interface)

• View active alarms

 

 

• View the current status of digital inputs and outputs

 

 

• View data stored in the alarm and event logs

6.0 - Silence Alarm & Backup

These features—available via the Service Terminal Interface only—allow users to:

Log Files (Service

• Silence the audible alarm

Terminal Interface only)

• Back up the alarm and event logs

7.0 - System and Control

These options require a password. Authorized users may:

Options (some functions

• Configure the AC4

available via Service

• Override automatic control of outputs to force an output ON or OFF

Terminal Interface only)

• Clear active alarms and delete all records in the alarm and event logs

 

 

4.3LCD Menu Overview

Figure 7 shows an overview of the initial screens available through the LCD interface. For compara- ble information about the Service Terminal Interface screens, see A.3 - Overview of Menus.

Figure 7 LCD Menu overview

“View Status” selected

>VIEW STATUS SYSTEM AND CONTROL

↑↓ =NEXT

=SELECT

Opening Screen

LIEBERT AC4

DD-MON-YY HR:MM:SS

VX.XXX.X

PRESS =STATUS/SETUP

Main Menu

VIEW STATUS

SYSTEM AND CONTROL

 

↑↓ =NEXT

=SELECT

 

 

 

 

See Section

 

 

 

 

5.0

 

(If any alarms detected)

Current Alarm screen

(see 5.1 - View Active Alarms)

“System & Control” selected

 

See Section

VIEW STATUS

 

7.0

> SYSTEM AND CONTROL

↑↓ =NEXT

=SELECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

View Status Menu

(All users - no password)

VIEW ACTIVE ALARMS VIEW ALARM LOG VIEW EVENT LOG VIEW INPUT STATUS VIEW OUTPUT STATUS

See Section

5.1

5.2

5.3

5.4

5.5

System & Control Menu (Password required)

SETUP SYSTEM OVERRIDE OUTPUT CLEAR ALARMS & LOGS

See Section

7.2

7.9

7.10

16

Page 22
Image 22
Liebert AC4 user manual Opening Screen Overview, Main Menu Overview, LCD Menu Overview

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.