Variable-Speed Screw Chiller

Model YVWA utilizes variable-speed technology to help cut energy costs and carbon emissions. The variable-speed drive saves energy during the 99 percent of Johnson screw chiller operating hours spent at off-design conditions when tower-water temperatures are lower. It increases sustainability by using HFC-134a refrigerant, which has zero ozone-depletion potential. Its proprietary falling-film evaporator reduces the chiller’s refrigerant charge.

Johnson Controls
(414) 524-1200
www.johnsoncontrols.com

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Avoiding scale, corrosion and microbiological growth — all of which diminish effective heat transfer — is the focus of any water treatment approach for water-contacted process heating and cooling equipment.