Ansismacna 0062006 hvac duct construction standards. Issues of sealing duct to a leakage class and seal class case 1. Users can combine multiple sections of ductwork that vary by size and shape to calculate total allowable leakage. Duct air leakage tester model dalt 6900 kanomax usa. The smacna dalt app generates a report that can be emailed directly from the app. This article discusses the history of duct air leak testing and describes proper. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Ductwork that is designed to operate at static pressures in excess of 3 inches water column 0. Duct leakage tester model pan341 positive and negative duct accreditation panda system.
Smacna published the hvac air duct leakage test manual in conjunction with the smacna. The last time airah published a paper on the subject was 1978 1, and in 2002 as 4254 2 followed earlier editions in recommending against duct leakage testing. The application uses the methodology found in smacnas hvac air duct leakage test manual and provides applicable leakage classes from the. With better sealing methods developed, the 2012 edition of the hvac air duct leakage manual. Duct leakage testing pressure test for code requirements. Air duct leakage test manual as published by the sheet metal and air conditioning contractors national.
Ductwork that is designed to operate at static pressures exceeding 3 inches water column and all ductwork located outdoors shall be leak tested in accordance with the smacna. Smacna hvac air duct leakage test manual, ansismacna 0162012, inchpound version solves duct leakage control using duct seal class and duct leakage class. The instrument provides stepbystep test configuration and automated leakage testing based on the smacna. Us duct leakage testing ri trequirements smacna duct class. If specimen fails to meet allotted leakage level, the contractor shall modify to bring it into compliance and shall retest it until acceptable leakage is demonstrated. Duct leakage testingleak testing supply systemleak testing return systemintroduction to allowable leakage specificationhow to operate the oriflow duct leakage testergeneral informationorifice platesmagnehelic gaugesmanometerscalibration intervals for orifloworifice plates pdfcalibration other manufacturersorifice platesoriflow test sheets big time saver. If field leak tests are required, appr opriate test pressure and clear scope of testing must be specified. This american national standard, ansismacna 0162012, covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. This standard is intended to provide useful information to the professional service. Smacna hvac air duct leakage g test manual, first edition, 1985 ashrae 90. Duct liner metal nosing shall be used on leading edges of each piece of. Positive and negative ductwork accreditation panda. Repair leaks and repeat tests until total leakage is less than 1% of system design airflow when the system is.
Prior to smacna hvac air duct leakage test manual, 1985 two id i lidentical phases of a research b ildibuilding were bilbuilt by different contractors. In addition, ducts and plenums shall be leak tested in accordance with the smacna hvac air duct leakage test manual with the rate of air leakage cl less than or equal to 6. Smacna smacna 1780 2002 hvac systems testing, adjusting and balancing, 3rd edition smacna 1858 2004 hvac sound and vibration manual first edition smacna 1972 cd 2012 hvac air duct leakage test manual 2nd edition u. Smacnas air duct leakage test manual6 clearly states that specifications that read test per smacna or similar are invalid and that no leakage tests are require by the smacna hvac duct construction standards or by this test manual. Smacna said the new manual covers revised leakage criteria and builds on the methods for testing ductwork. Duct air leakage test free smacna dalt mobile app ansi. Unsealed duct would only leak 5 cfm, while sealed duct even seal class c would make the difference even more trivial. Smacna hvac air duct leakage test manual brown technical. Duct leakage and leakage testing ian wills be mengsc phd cpeng fieaust m. Preparing pan200 system for air duct leak testing the following procedure should be followed carefully so that safe and accurate leakage testing can be achieved. A companion to hvac duct construction standards metal and flexible, this manual contain. Refer to appendix b for a discussion of standards relating to duct. This new guideline reflects the industrys growing understanding of the major role duct leakage plays in overall building. Smacnas hvac air duct leakage test manual6 commentary found in section 5.
The research also led to the development of the smacna hvac air duct leakage test manual 1st edition 1985 and the leakage class, followed by the smacna hvac air duct leakage test manual 2nd edition 2012. The hvac air duct leakage test manual has also been incorporated by reference and is. Retrotecs duct leakage test software carry out tests that are compliant with en12237, fd e767, smacna, dw143 and single point residential test variants manual data entry or fully automatic data capture generate reports in ms word from captured readings or output directly to ms excel. Total leakage measured with a pressure differential of 0.
Book by sheet metal and air conditioning contractors national association, 2012. Smacnas mission is to provide products, services, and representation to enhance members businesses, markets, and profitability. Mcgill airflow receives many inquiries each year from contractors, who are performing leak tests in the. Air leakage in ductwork rev 02 linx industries, inc. Smacna hvac air duct leakage test manual, 2nd edition.
This american national standard, ansi smacna 0162012, covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. The types of fittings to be used based on the designers calculations of fitting losses i. Kanomax is introduces a new duct air leakage tester dalt for commercial duct systems. Though built tough with an onboard, powerful motor, the dalt 6900 is very easy to transport on its pneumatic tires and leaves little to no footprint on the job site. The current 2017 state of the art for air leakage in. Leakage test procedures shall follow the outlines and classifications in the smacna hvac duct leakage test manual. National archives and records administration nara 40 cfr 82 protection of stratospheric ozone 1. The sheet metal and air conditioning contractors national association smacna announced that the american national standards institute ansi has approved its hvac air duct leakage test manual, second edition, as an american national standard. Smacna 0162012 hvac air duct leakage test manual, 2nd. The current 2016 state of the art for air leakage in. The positive and negative duct accreditation panda system provides contractors, commissioning engineers, and research and development technicians with the best in class choice of test equipment to quantify air leakage in ductwork and other areas as well as the ability to measure the. In accordance with smacna policy, a formal interpretation of the literal text of smacna s technical manuals, guides or standards is available but only on the basis of written request or inquiry.
Hvac air duct leakage test manual, 2nd edition, 2012. Successfully completing a duct leakage test requires certain information be compiled prior to starting the test. It adopts a tiered approach to testing first test 20% of the ductwork. Ductwork that is designed to operate at static pressures exceeding 3 inches water column and all ductwork located outdoors shall be leak tested in accordance with the smacna hvac air duct leakage test manual. Sheet metal and air conditioning contractors national association subject. Hvac duct air leakage oct 10, 2019 in a recent article which was published in rses journal, smacna s senior project manager pat brooks, pe, discusses the history of duct air leak testing and describes proper techniques and practical applications when leak testing is performed in accordance with smacna standards. Smacna standard ansismacna 016 hvac air duct leakage test manual, 2nd edition, 2012 pdf download. Test in accordance with specification section 23 05 93, hvac testing, adjusting, and balancing and the procedures in smacna hvac air.
Ducts shall be pressure tested to determine air leakage by either of the following. Ashrae spc215p takes duct testing to a new level by specifying the methods of duct testing to be used to determine leakage. Ashrae, smacna, latest code updates for industry duct. Prior to smacna hvac air duct leakage test manual, 1985 two id i l h. The hvac air duct leakage test manual has been incorporated by reference and is legally mandated by the united states in title 10 of the code of federal regulations, section 434. F the measured leakage rate in cfm per 100 square feet of duct surface. A major shift ashrae changed the leakage class in their 90.
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