Smacna hvac air duct leakage g test manual, first edition, 1985 ashrae 90. Book by sheet metal and air conditioning contractors national association, 2012. Duct air leakage tester model dalt 6900 kanomax usa. Issues of sealing duct to a leakage class and seal class case 1. 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. Test in accordance with specification section 23 05 93, hvac testing, adjusting, and balancing and the procedures in smacna hvac air. Kanomax is introduces a new duct air leakage tester dalt for commercial duct systems. The application uses the methodology found in smacnas hvac air duct leakage test manual and provides applicable leakage classes from the. 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. 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.
Duct air leakage test free smacna dalt mobile app ansi. Ductwork that is designed to operate at static pressures in excess of 3 inches water column 0. Air leakage in ductwork rev 02 linx industries, inc. Smacna hvac air duct leakage test manual, ansismacna 0162012, inchpound version solves duct leakage control using duct seal class and duct leakage class. 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. 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. F the measured leakage rate in cfm per 100 square feet of duct surface. Leakage test procedures shall follow the outlines and classifications in the smacna hvac duct leakage test manual. This standard is intended to provide useful information to the professional service. 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. The current 2016 state of the art for air leakage in. 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.
Air duct leakage test manual as published by the sheet metal and air conditioning contractors national. 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. Positive and negative ductwork accreditation panda. Refer to appendix b for a discussion of standards relating to duct. Smacnas mission is to provide products, services, and representation to enhance members businesses, markets, and profitability. Users can combine multiple sections of ductwork that vary by size and shape to calculate total allowable leakage. Mcgill airflow receives many inquiries each year from contractors, who are performing leak tests in the. Hvac air duct leakage test manual, 2nd edition, 2012.
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. Smacna published the hvac air duct leakage test manual in conjunction with the smacna. Duct leakage testing pressure test for code requirements. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. 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. Smacna 0162012 hvac air duct leakage test manual, 2nd edition. It adopts a tiered approach to testing first test 20% of the ductwork. Smacna hvac air duct leakage test manual brown technical. Us duct leakage testing ri trequirements smacna duct class. 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. 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 said the new manual covers revised leakage criteria and builds on the methods for testing ductwork. Repair leaks and repeat tests until total leakage is less than 1% of system design airflow when the system is. Ashrae spc215p takes duct testing to a new level by specifying the methods of duct testing to be used to determine leakage.
Ansismacna 0062006 hvac duct construction standards. Ducts shall be pressure tested to determine air leakage by either of the following. The types of fittings to be used based on the designers calculations of fitting losses i. This new guideline reflects the industrys growing understanding of the major role duct leakage plays in overall building. If field leak tests are required, appr opriate test pressure and clear scope of testing must be specified. The instrument provides stepbystep test configuration and automated leakage testing based on the smacna. Ashrae, smacna, latest code updates for industry duct. 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. The smacna dalt app generates a report that can be emailed directly from the app. 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. This article discusses the history of duct air leak testing and describes proper. Smacna hvac air duct leakage test manual, 2nd edition. Smacnas hvac air duct leakage test manual6 commentary found in section 5. A major shift ashrae changed the leakage class in their 90.
Total leakage measured with a pressure differential of 0. 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. Successfully completing a duct leakage test requires certain information be compiled prior to starting the test. The current 2017 state of the art for air leakage in. Unsealed duct would only leak 5 cfm, while sealed duct even seal class c would make the difference even more trivial. 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. Duct leakage and leakage testing ian wills be mengsc phd cpeng fieaust m. Smacna 0162012 hvac air duct leakage test manual, 2nd. 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.
The hvac air duct leakage test manual has also been incorporated by reference and is. 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. National archives and records administration nara 40 cfr 82 protection of stratospheric ozone 1. Smacna standard ansismacna 016 hvac air duct leakage test manual, 2nd edition, 2012 pdf download. 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. Smacna standard ansismacna 016 hvac air duct leakage. Duct leakage tester model pan341 positive and negative duct accreditation panda system. With better sealing methods developed, the 2012 edition of the hvac air duct leakage manual. Air duct leakage test manual and select appropriate allowable leakage. Prior to smacna hvac air duct leakage test manual, 1985 two id i l h. Sheet metal and air conditioning contractors national association subject. Duct liner metal nosing shall be used on leading edges of each piece of.
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