Vertiv | Liebert PEX+ Chilled Water | User Manual 1
Product Overview
Chapter 1: Product Overview
1.1. Product Introduction
The Liebert® PEX+Chilled Water units (hereafter Liebert PEX+CW ) are the next generation series of Precision
Air Conditioners (PAC) that provide precise environmental control. The Liebert PEX+ chilled water models
consist of wide range of cooling capacity from 30 kW to 200 kW for large, medium and small data centers.
Incorporating the high standards associated with the Liebert name, the PEX+CW series utilizes the latest
technology, system components, and streamlined manufacturing process.
Liebert PEX+CW air conditioners are products that are specifically designed for the special requirements of data
centers, computer rooms, and similar ecosystems wherein optimum cooling is required along with a high degree
of reliability and variability. It addresses the needs and challenges associated with such critical applications and
setups. It caters to sensitive applications which need a suitable environment for optimal performance. Therefore,
care should be taken while testing these sensitive products or maintaining a favorable environment for mission
critical equipment, as even a slight deviation may lead to inaccurate results. Precision Air Conditioning must not
only keep room conditions within a specific range but also be able to react quickly to a drastic change in heat
load and prevent wide temperature fluctuations.
The PEX+CW PAC unit comes with the features such as high reliability, high sensible heat ratio, and large airflow.
It is an excellent system that adheres to the standards of Precision Air Cooling in terms of energy-eiciency,
space requirements, and reliability.
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