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Cool Weather Savings: Using Hybrid Refrigeration Systems for Chiller Retrofit
M00002781
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Cool Weather Savings: Using Hybrid Refrigeration Systems for Chiller Retrofit
Journal Article by ASHRAE, 2011
Peter F. Bailey; Walt Joncas; and Greg Dodge
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A chiller at a medical building in South Burlington, Vt., prompted engineers to devise a solution that fixed the chiller and provide ongoing energy savings. Using a fractional horsepower, magnetically coupled, hybrid refrigerant pump, a VFD, DDC equipment, programming changes, and other safety devices, data showed that the post-retrofit chiller consumed an average of 267.50 kWh per day, with an average savings of 15.46 kW.Citation: ASHRAE Journal, vol. 53, no. 8, August 2011