Active Chilled Beam Technology

Presented by: Matt Green Active Chilled Beam Technology

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Section I: Introduction to ACB Technology Types of Chilled Beams

Section I: Introduction to ACB Technology Types of Chilled Beams – Active Chilled Beams ,[object Object],[object Object],[object Object],[object Object],[object Object]

ACB Technology Advantages ,[object Object],[object Object],[object Object],[object Object],Section I: Introduction to ACB Technology

Section I: Introduction to ACB Technology How ACB’s Work ,[object Object],[object Object],[object Object],[object Object],E) Mixed air (Induction ratio range 3:1 – 6:1) F) Discharge air (Cooling: 63-66ºF / Heating 75-85ºF) G) Adjustable mounting brackets

Section I: Introduction to ACB Technology How ACB Systems Compare to Other Systems - VAV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Equipment VAV ACB DOAS/AHU and Fans $285,000 $185,000 Ductwork $260,000 $195,000 Chiller $150,000 $150,000 Copper Piping $55,000 $315,000 Active Chilled Beams $0 $110,000 VAV Units $75,000 $0 Sound Dampers $20,000 $5,000 Temperature Controls $105,000 $130,000 Registers and Diffusers $110,000 $40,000 Total $1,060,000 $1,130,000 Building Sq Footage 50,000 50,000 Cost/Sq Ft. $21 $23

Section I: Introduction to ACB Technology How ACB Systems Compare to Other Systems - FCU ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Equipment FCU ACB DOAS and Fans $185,000 $185,000 Ductwork $170,000 $195,000 Chiller $150,000 $150,000 Copper Piping $420,000 $315,000 Active Chilled Beams $0 $110,000 Fan Coil Units $185,000 $0 Sound Dampers $5,000 $5,000 Temperature Controls $115,000 $130,000 Total $1,230,000 $1,090,000 Building Sq Footage 50,000 50,000 Cost/Sq Ft. $25 $22

Section I: Introduction to ACB Technology How ACB Systems Compare to Other Systems – Energy Efficiency Figure from: Centre For Building Science News, Lawrence Berkeley Laboratory, “Hydronic Radiant Cooling Systems”, Fall 1994. * Figure does not include additional fan energy associated with developing pressure for active chilled beam operation. Flow Cross Section Ratio 1:550 ¾“ diameter Water Pipe The energy that 1 ft 3 of water removes requires 3,400 ft 3 of air! 18“ x 18“ Air Duct

Section I: Introduction to ACB Technology How ACB Systems Compare to Other Systems – Energy Efficiency ,[object Object],[object Object],[object Object],Chiller Nominal Tonnage LWT Output Tons kWi EER 250 45 257 319.4 9.6 210 55 257 296.2 10.4 190 60 250 276.1 10.8

Section I: Introduction to ACB Technology Common Applications of ACB Technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section I: Introduction to ACB Technology Misapplications of ACB Technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section II: ACB System Design Considerations DOAS/Airside System Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section II: ACB System Design Considerations DOAS/Airside System Design . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section II: ACB System Design Considerations Chilled Water System Design ,[object Object],[object Object],[object Object],[object Object],[object Object],Chiller Nominal Tonnage LWT Output Tons kWi EER 250 45 257 319.4 9.6 210 55 257 296.2 10.4 190 60 250 276.1 10.8

Section II: ACB System Design Considerations Chilled Water System Design . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section II: ACB System Design Considerations Chilled Water System Design . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section II: ACB System Design Considerations Chilled Water System Design . TRADITIONAL CHILLER(S) / DECOUPLED DOAS ,[object Object],[object Object],[object Object],[object Object]

Section II: ACB System Design Considerations Heating with ACB’s . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section II: ACB System Design Considerations Controlling ACB Systems . ,[object Object],[object Object],[object Object],[object Object],Zone Controls Zone Manifold

Section II: ACB System Design Considerations Controlling ACB Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section II: ACB System Design Considerations Condensation Prevention ,[object Object],[object Object],[object Object],[object Object],[object Object]

Section II: Summary Benefits of ACB Technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Section III: References Dadanco Frequently Asked Questions . Retrieved from: http://www.activechilledbeam.com/chilled_beam_questions.asp Darren Alexander and Mike O’Rourke. Design Considerations for Active Chilled Beams (ASHRAE Journal, 2008, September). Geoffrey P. McMahon. Chilled Beams: The Science of Lab Cooling . Retrieved from: http://www.aeieng.com/downloads/articles/ES%20Jan%20%2009%20Chilled%20Beams.pdf Maija Virta, David Butler, Jonas Graslund, Jaap Hogeling, Erik Lund Kristiansen, Mika Reinikainen, and Gunnar Svensson. REHVA – Chilled Beam Application Guidebook (Federation of European Heating and Air-Conditioning Associations, 2004). Peter Rumsey and John Weale. Chilled Beams in Labs: Eliminating Reheating & Saving Energy on a Budget (ASHRAE Journal, 2007, September) Trox Chilled Beam Design Guide . Retrieved from: http://www.trox.us/usa/service/download_center/structure/technical_documents/air_water_systems/usa_products/leaflets/Chilled_Beam_Design_Guide.pdf

Section III: Summary THANK YOU Questions? Primary Contact Matt Green, Sales Engineer Office: 630-693-0926 Cell: 630-730-4917 Fax: 630-693-0931 [email_address] Secondary Contact Jordan Stiebel, Inside Sales Engineer Office: 630-693-5876 Fax: 630-693-0931 [email_address] www.thermosystemsinc.com

Active Chilled Beam Technology

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Active Chilled Beam Technology