Hvac Air Duct Leakage Test Manual Pdf

Representative sections totaling no less than 25.

Hvac air duct leakage test manual pdf.

Ductwork that is designed to operate at static pressures in excess of 3 inches water column 0 75 kpa and all ductwork located outdoors shall be leak tested according to the ansi smacna hvac air duct leakage test manual. Potential accuracy of flow measurements should be evaluated. Hvac air duct leakage test manual sheet metal and air conditioning contractors national association inc. The hvac air duct leakage test manual has also been incorporated by reference and is required by law in title 19 new york.

Law in 10 cfr 434 403 2 9 3 keywords. Hvac air duct leakage test manual author. Where no specific duct pressure class designations are provided byclass designations are provided by the designer the 1 water gage pressure class is the basis of. Apparent differences of about ten percent between fan delivery and sum of airflow measurements at terminals do not necessarily mean poor sealing and excess leakage.

Sheet metal and air conditioning contractors national association subject. Contains updates to the expected leakage rates for ductwork constructed to the smacna hvac duct construction standards metal flexible duct leakage test procedures recommendations on use of leakage testing types. Mcgill airflow receives many inquiries each year from contractors who are performing leak tests in the fi eld wanting to know how to use this table to. Th is table is not an allowable leakage specifi cation but is often used as one.

Hvac air duct leakage test manual and table 1 1 on page 1 11 in the 2005 smacna hvac duct construction standards. 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 434 403 2 9 3. This american national standard ansi smacna 016 2012 covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. Quote fromquote from hvac air duct leakage testhvac air duct leakage test manual smacna.

Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required. Public domain created date.