HVAC Breaking News

Aug. 22, 2005: York Chillers Offer Highest Tonnage In Single-Piece Unit

August 22, 2005
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YORK, Pa. - York International Corp. has expanded the range of its York® Latitude™ air-cooled chiller line from 260 tons to 515 tons with the introduction of new three- and four-compressor units. According to the company, these larger-capacity chillers provide the highest tonnage in a single-piece unit.

Introduced earlier this year, the Latitude product line offers low total cost of ownership, optimum energy efficiency, and quiet operation, says the company. All Latitude chillers use HFC-134a and provide design efficiencies as high as 10.5 EER, which exceeds ASHRAE Standard 90.1. An integrated part load value (IPLV) as high as 15.2 EER delivers an average annual energy savings of 15 to 25 percent compared to traditional air-cooled chillers, the company says.

The Latitude chiller incorporates advanced variable-speed drive (VSD) technology with screw compressors - said to be an industry first - to improve energy and sound-level performance, while retaining the traditional cost advantages of air-cooled chillers: first cost, ease of installation, and ease of maintenance.

VSD technology reduces equipment stresses by starting the Latitude's compressors slowly and bringing them up to speed gradually. As a result, the size and cost of the backup generator (if used) can be reduced. Less current also means less heat, which extends the life of motor components and facilitates motor restarts in as little as two minutes, says the manufacturer.

According to the company, during acoustically critical morning and evening hours, Latitude chillers achieve up to 10 dBAs noise decrease, which equates to a 50 percent perceived noise reduction. The chillers also take advantage of York's new SilentNightâ„¢ control. This control system employs a proprietary load-limit control function to help ensure quiet operation. In addition, Latitude chillers come standard with built-in acoustic features that can eliminate the need for additional sound attenuation and sound-barrier walls.

For more information, visit www.york.com.

Publication date: 08/22/2005

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