Scheduled for release the beginning of the new year, ashrae spc215 is expected to adopt a tiered approach to testing first test 20% of the ductwork. A companion to hvac duct construction standard metal and flexible, this manual contains duct construction leakage classification, expected leakage rates for sealed and unsealed ductwork, duct leakage test. The current 2017 state of the art for air leakage in ductwork. Smacnas hvac air duct leakage test manual6 commentary found in section 5. Less than 1% leakage test results the following tests of rectangular duct sections and transverse joints were conducted in accordance with section vii of the smacna hvac duct construction standards, 2nd ed. Total duct leakage less than or equal to 6 cfm 18 lmin per 100 ft 2 9. Certified copies of these tests are available upon request. Requirements r i t us smacna hvac air duct leakage g test manual, first edition, 1985 ashrae 90. 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. The air tightness of hvac duct begins with the proper specification written by a design engineer.
Test in accordance with specification section 23 05 93, hvac testing, adjusting, and balancing and the procedures in smacna hvac air duct leakage test manual. 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. Pat brooks, pe this article discusses the history of duct air leak testing. As an ansiaccredited standards developing organization, smacna standards and manuals address all facets of the sheet metal industry, from duct construction and installation to air pollution control, energy recovery and roofing. Smacna hvac air duct leakage test manual, 2nd edition. A test meter must have a fan that can produce the target cfm at a static pressure that is a combination of the duct test pressure plus other system losses. Test apparatustest apparatus duct leakage test system consists of. The orifice relates cfm to pressure according to q c. Duct liner metal nosing shall be used on leading edges of each piece of lined duct. Nonexclusive, royaltyfree permission is granted to government and private sector advice to consult the smacna hcva air duct leakage test manual was.
Also rectangular duct fabricated from panels from a few inches up to 5 ft wide, all welded, pittsburgh, grooved seam pipe lock or standing seam joined duct, for operation from 4 to 20 in. When proper methods of assembly and sealing are used, the total airflow should satisfy. Sheet metal and air conditioning contractors national association subject. Manual fantestic duct testing duct testing equipment. Mar 16, 2020 nonexclusive, royaltyfree permission is granted to government and private sector advice to consult the smacna hcva air duct leakage test manual was.
Air leakage in ductwork rev 02 linx industries, inc. Mar 07, 2014 a free app, dalt, duct air leakage test helps estimate air leakage from ductwork. Smacna standard ansismacna 016 hvac air duct leakage. A major shift ashrae changed the leakage class in their standard 90. Rectangular industrial duct construction standards metric. Pdf duct leakage testing s suleiman sts llc academia.
Ashrae spc215 takes duct testing to a new level by specifying the methods of duct testing to be used to determine leakage. Info free download books smacna hvac duct leakage test manual printable 2019 everyone knows that reading smacna hvac duct leakage test manual printable 2019 is helpful, because we could get a lot of information from the reading materials. 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. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. No leakage tests are required by the smacna duct construction standards or by this leakage test manual. Hvac duct air leakage leakage is a function of the static pressure and the number and size of openings in the duct and is unaffected by airflow by. When proper methods of assembly and sealing are used, the total airflow should satisfy indoor air quality requirements. Ductwork that is designed to operate at static pressures in excess of 3 inches water column 0. 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. Instructions and help about nc duct leakage test form. Mcgill airflow receives many inquiries each year from contractors, who are performing leak. Guidelines for roof mounted outdoor airconditioning installations, 2nd ed.
Air duct leakage test manual and select appropriate allowable leakage. 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. Us duct leakage testing ri trequirements smacna duct class. 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. Use this adobe pdf form for calculating allowable leakage cfm based on smacna leakage class. Kanomax duct air leakage tester operation manual ver. Duct leakage form fill out and sign printable pdf template.
The smacna 2012 hvac air duct leakage test manual 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 2005 or by this test manual. Use this adobe pdf on your cellphone, laptop or ipad along with your tester. The ashrae fundamentals handbook chapter on duct design and the smacna hvac duct systems design manual contain additional information on evaluating duct leakage. Ansismacna 0062006 hvac duct construction standards. Product detail sheet metal and air conditioning contractors. The required capacity of a leakage test meter should be examined in relation to the duct leakage classification chart.
Duct liner metal nosing shall be used on leading edges of each piece of lined duct when the velocity exceeds 4000 fpm. When the designer has only required leakage tests to be conducted in accordance with the smacna hvac air duct leakage test manual for verification that the leakage. Duct air leakage test free smacna dalt mobile app ansi blog. The current 2016 state of the art for air leakage in. The industry accepted method of air leakage field testing is well documented by the smacna air leakage. Smacna s hvac air duct leakage test manual6 commentary found in section 5.
Mcgill airflow receives many inquiries each year from contractors, who are performing leak tests in the. It appeared in chapter 10 of the high velocity later high pressure construction standards and in chapter 8 of the balancing and adjustment of air distribution systems manual of 1967 vintage. Smacna is the sheet metal and air conditioning contractors national association. Released by the sheet metal and air conditioning contractors national association, smacna the dalt mobile app for iphone, ipad and ipod touch, also provides a quick way to determine the passfail mark for properly specified duct air leakage tests dalt. Smacna sheet metal and air conditioning contractors. Smacna published the hvac air duct leakage test manual in conjunction with the smacna. Research proved that duct leakage could be well defined as a function of the static pressure and the surface area of the duct. If field leak tests are required, appr opriate test pressure and clear scope of testing must be specified. Test procedure, apparatus and report shall conform to smacna leakage test manual. Smacna standard ansismacna 016 hvac air duct leakage test. In no case shall the leakage testing of ductwork constructed above the 500 pa 2 wg duct pressure classification or ductwork located in shafts or other inaccessible areas be eliminated. Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required. Smacna hvac duct leakage test manual printable 2019 read ebook online at mediatropes.
The hvac air duct leakage test manual has also been incorporated by reference and is required by law in title 19, new york. 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. L duct leakage class, cfm100ft 2 at 1 inch water gage p test pressure, which shall be equal to the design duct pressure class rating in inches water column in addition, the leakage class recognizes that under the best conditions, rectangular ductwork will leak. Oct 10, 2019 hvac duct air leakage oct 10, 2019 in a recent article which was published in rses journal, smacnas 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. Info free download books smacna hvac duct leakage test manual printable 2019 everyone knows that reading smacna hvac duct leakage test. Pat brooks, pe this article discusses the history of duct air leak testing and describes proper techniques and practical. Enter your orifice plate data using your calibration certificates. Hvac air duct leakage test manual and table 11 on page 1. Issues of sealing duct to a leakage class and seal class case 1. Prior to smacna hvac air duct leakage test manual, 1985 two id i l h. This american national standard, ansi smacna 0162012, covers revised leakage criteria and builds on the proven methods for testing. Smacna first published a procedure for leakage testing of socalled medium and high pressure ductwork since january 1965.
The types of fittings to be used based on the designers calculations of fitting losses i. Advice to consult the smacna hcva air duct leakage test manual was entered. Code changes for duct system standards you should know. Email results to yourself, customer or home office. 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.
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