Chapter 1 Introduction
The Liebert CR012 is the next generation air conditioners that provide precise environmental control. The Liebert
CR012 models are the latest in the long line of modern enterprise-grade products from the Liebert family.
Incorporating the high standards associated with the Liebert name, the CR012 utilizes the latest technology, system
components, and streamlined manufacturing process.
Liebert CR012 air conditioners are products that are specifically created and designed for the small to medium data
centers, computer rooms, and similar systems which call for a high degree of accuracy and precision. It addresses
the needs and challenges associated with such applications and setups. It caters to sensitive applications which
need a suitable environment for optimal performance. Therefore, care should be taken when testing these products to
maintain favorable conditions for mission-critical equipment. Precision Air Conditioning must not only keep room
conditions within a specific range but also must have the capability to react quickly to drastic changes in the heat load
and prevent wide temperature fluctuations.
The CR012 air-cooled AC unit is packed with features such as high reliability, high sensible heat ratio, and large
airflow. The unit is an air-cooled single circuit system and configured with DC Speed Regulation axial flow fan.
Figure 1-1 shows the appearance of the Liebert CR012:
Figure 1-1 Appearance of the air conditioner
1.1 Model Nomenclature
The model of the CR012 AC is fully-defined by twenty-five digits, as shown in Figure 1-2.
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