Demand Defrost Controls for Walk-in Freezers LABORATORY ASSESSMENT

Project Number: 
ET14SCE1030; ET14SCE1031
Start Year: 
2014
End Year: 
2016
Markets Segments: 
Commercial
Project Type: 
Electric Energy Savings
Product Evaluation
Type of Technology: 
Evaporative Cooling
Refrigeration, Commercial
Organization: 
Southern California Edison (SCE)
Project Status: 
Completed
Savings Type: 
Work
Industry

The purpose of this project is to investigate the viability of a demand defrost technology compared to a conventional defrost method for a walk-in freezer application. The study focuses on the technology’s capability to initiate defrost based on ice or frost build-up on the evaporator coil. For defrost termination, the technology relied on conventional temperature termination method during the evaluation. The system evaluated in the laboratory was comprised of a condensing unit, an evaporator coil assembly, and all the necessary controls associated with a programmable controller.

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