Liebert-Datamate-Precision-Cooling-Systemate_1_small DataMate. , 2 & 3 Small Floor Mount Air Conditioning Units, Up and Down flow. Liebert-PDX-. Browse the various Liebert cooling and CRAC units that provide data center air conditioning for server rooms and racks for optimal efficiency. innovative solutions, allowing customers to concentrate on their business requirements. The LiebertĀ® PDX direct expansion cooling unit is equipped with the.

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CRAC units monitor and maintain the temperature, air distribution and humidity in a data center or other mission critical location.

This is essential as the kinds of equipment found in these locations such as UPS power equipment, server kiebert, etc can reach levels of heat that jeopardize your unit stability. One popular buildout for a computer room is using Downflow CRAC units to push cool air underneath raised access flooring.


Computers and racks are placed about two tiles apart, with their air intakes facing each other. As the CRAC unit pumps cool air through the perforated floor tiles, the racks intake the air and exhaust hot air into the opposing hot aisle. CRAC units then pull in the hot air lebert release it underneath the floor tiles, making a complete cycle.

Liebert 20 Ton CRAC Units w/ Condensers

In addition to lieert whether to go with a ceiling mounted system or a floor mounted system, another important choice is what kind of CRAC cooling you want to use. There are five basic types including air cooled systems 2-pieceair cooled self-contained systems 1-pieceglycol cooled systems, water cooled systems, and chilled water systems.

Each basic type has advantages and disadvantages, more about which you can read here. The systems we sell primarily come out of working data centers.

HVAC / Air Conditioners | Quantum Technology

Instead of adding a new CRAC unit, they may lieberr to a larger tonnage. The older system is in perfect working condition, but is just too small to power such a large facility.


We offer refurbished and remanufactured units. A refurbished unit will be tested, and comes with new relays, belts and filters. A remanufactured unit will come with zero hour compressors, new relays, belts, bearings, filters, condensate pump, and will have a fresh coat of paint.

HVAC / Air Conditioners

Units can be purchased with extended warranties. Please call us to discuss the options.

Save a lot of knits and get a great working CRAC unit that meets your specific cooling needs. Big Selection We have a large selection of equipment – ready to ship. Better Service We have been technology specialists for over 20 years.