Air Duct Leakage Test Manual

7 4 duct leakage reporting procedure.

Air duct leakage test manual.

Quote fromquote from hvac air duct leakage testhvac air duct leakage test manual smacna. The hvac air duct leakage test manual provides practical and detailed procedures for conducting leakage tests. 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. F the measured leakage rate in cfm per 100 square feet of duct surface.

Chapter 7 test reports. Hvac air duct leakage test manual order no. Potential accuracy of flow measurements should be evaluated. 7 1 duct leakage test report details.

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. Hvac air duct leakage test manual second edition 2012 sheet metal and air conditioning contractors national association inc. Chapter 6 test apparatus. 6 1 duct leakage testing apparatus.

P the static pressure of the test. Hvac air duct leakage test manual with the rate of air leakage cl less than or equal to 6 0 as determined in accordance with equation 4 5. Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required. Cl f p0 65 equation 4 5 where.

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. 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. 1972 2 nd edition 2012 122 pages. 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.

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. 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. Chapter 5 leakage classification. The hvac air duct leakage test manual has also been incorporated by reference and is required by law in title 19 new york.