Project Info

Complete
Project Title 
Lab Assessment of VFD for RTU
Project Number 
ET13SCE1110
Investor Owned Utilities 
SCE
End-use 
HVAC
Sector 
Commercial
Project Year(s) 
2013 - 2015

This assessment compares the performance of a 5-ton packaged rooftop unit (RTU) with and without the variable frequency drive technology under controlled laboratory conditions at Southern California Edison’s Technology Test Centers. The baseline-air cooled rooftop unit under test was equipped with a constant-speed compressor and indoor fan. The evaluation tested the unit under 32 different test scenarios.

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