View Status Options

5.5View Output Status

The Output Status option allows you to view the current status of all four outputs.

To view the Output Status:

• From the Main Menu, use the arrows ↑↓ to choose View Status, then press Enter ↵.

• From the View Status Menu, use the arrows ↑↓ to choose View Output Status, then press Enter .

5.5.1Output Status

The Output Status screen displays the status of each digital output.

Main Menu

>VIEW STATUS SYSTEM AND CONTROL

↑↓ =NEXT

=SELECT

View Status Menu

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

> VIEW OUTPUT STATUS

The following details appear for digital outputs:

the name of the output (for example, DEVICE_1)

the current status (ALARM)—values are updated constantly while being viewed

There are eight possible states for a digital output, as shown in Table 11.

Table 11 Digital output states

State

Description

OPERATING

Device operating, or ON

STANDBY

Device in standby mode

ALARM

Device in alarm

FORCE ON

Device forced ON by operator

FORCE OFF

Device forced OFF by operator

HW FORCE ON

Device forced ON by hardware switch

PENDING

Pending delay timer

NOT USED

Device not used

Viewing Additional Output Data

Output Status

OUTPUT / STATUS

> DEVICE_1

ALARM

DEVICE_2

OPERATING

DEVICE_3

OPERATING

DEVICE_4

OPERATING

All output data may be viewed by scrolling beyond the four lines that appear on the LCD at one time:

To view all outputs, use the arrows ↑↓ .

To return to the previous screen, press the ESC key.

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Liebert AC4 user manual View Output Status, Viewing Additional Output Data, Digital output states

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.