Automated FDD for RTU's - Moving from R&D to Commercialization

Main Organizers:

Jim Braun, Purdue University

Todd Rossi, FDSI

Sponsored and Organized by the Ray W. Herrick Laboratories


Workshop on FDD for RTUs – Moving from R&D to Commercialization

Sunday, July 13 2014, Purdue University


Intended Audience:  1) commercial HVAC equipment and component manufacturers/engineers interested in developing and commercializing automated fault detection and diagnostics (FDD) for rooftop air conditioning units (RTUs); 2) policy makers and utilities interested in incentivizing the development and commercialization of RTU FDD


Goals: 1) review of existing and emerging technologies for diagnostic technologies applied to RTUs; 2) review of existing and emerging policy for development, adoption, and evaluation of RTU diagnostics; 3) review and discussion of the evolution of business opportunities for RTU diagnostics


Introduction to and evolution of RTU diagnostics (Jim Braun);  8:00 – 8:30 am


Section I:  Review of Existing and Emerging RTU Diagnostic Technologies:  8:30 am – 12:30 pm

FDSI Service Assistant (Todd Rossi, FDSI)

PNNL SMDS and Active Economizer FDD for RTUs (Srinivas Katipamula, PNNL)

Virtual Sensing to Enable Embedded RTU Diagnostics (Jim Braun, Purdue)


Coffee Break:  10:00 – 10:30 am 


Lennox SmartAirFlow System for RTUs (Jon Douglas, Lennox)

Embedded Economizer Diagnostics (Adrienne Thomle, Honeywell)

Residential HVAC Diagnostics (Fadi Alsaleem, Emerson)

Non-Intrusive Electric Load Monitoring Applied to HVAC Equipment Diagnostics (Daikin)

Integrated RTU FDD System (Todd Rossi, York)


Lunch:  12:30 – 1:30 pm 


Section II:  Policy Influencing Development, Adoption, and Evaluation of RTU FDD:  1:30 – 3:30 pm

California Title 24 for RTU FDD:  Past, Present, and Future (Martha Brooke, CEC)

Utility Incentives for RTU FDD in California (Mel Johnson, SCE)

Incentivizing RTU FDD in New York (Ed Smyth, NYSERDA)

Standards for Evaluating RTU FDD Systems (Kristin Heinemeier, WCEC)

An Evaluator for FDD Algorithms (David Yuill, Purdue)


Coffee Break:  3:30 – 4:00 pm 


Section III:  Evolution of Business Opportunities:  4 – 6 pm

Experiences Building a Business Centered on RTU FDD (Todd Rossi, FDSI)

Commercialization Experiences in the NW (Danny Miller, Transformative Wave)

Discussion of Pathways towards Broad Commercialization (Rossi, all)

Do we need a Center for HVAC Equipment Diagnostics?  (Rossi)


Tour of the new Herrick Laboratories:  6:30 – 7:30 pm

The sessions will be be held in RAWLS HALL on the Purdue University Campus.



Contact Information

Kim Stockment
+1 765.494.6078