Laboratory Testing of Variable Speed Compressor and Fan Controls for RTU Optimization

Category: 
Commercial
Project Number: 
ET15SCE7030
Start Year: 
2015
End Year: 
2015
Markets Segments: 
Commercial
Project Type: 
Electric Energy Savings
Type of Technology: 
HVAC, Commercial
Organization: 
Southern California Edison (SCE)
Project Status: 
Completed
Savings Type: 
Industry

This report describes a laboratory evaluation to optimize the performance and efficiency of a packaged air-conditioning and heating roof top unit (RTU) with a variable speed electrically communicated motor (ECM) controlling the blower speed and a retrofitted variable speed drive controlling the compressor speed. This technology is being considered as a method to save energy associated with air conditioning at part load conditions. It also may have potential to reduce peak electricity demand in buildings with over-sized equipment or when combined with condenser-air evaporative pre-cooling technology.

PDF Report: 
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