Hvac Air Duct Leakage Test Manual Pdf

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Hvac air duct leakage test manual pdf.

The hvac air duct leakage test manual provides practical and detailed procedures for conducting leakage tests. Quote fromquote from hvac air duct leakage testhvac air duct leakage test manual smacna. Hvac air duct leakage test manual and table 1 1 on page 1 11 in the 2005 smacna hvac duct construction standards. 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.

Hvac air duct leakage test manual author. Hvac air duct leakage test manual sheet metal and air conditioning contractors national association inc. Law in 10 cfr 434 403 2 9 3 keywords. Potential accuracy of flow measurements should be evaluated.

Representative sections totaling no less than 25. 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. Public domain created date. 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.

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. Figure 5 1l from the 2012 smacna hvac air duct leakage test manual shows the allowable leakage as a function of duct leakage classification and static pressure in the duct. Sheet metal and air conditioning contractors national association subject. Th is table is not an allowable leakage specifi cation but is often used as one.

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