Duct Leakage Test Report Format

All ducts air handlers filter boxes and building cavities used as ducts shall be sealed.

Duct leakage test report format. Primary location of supply. 1 blower with speed control vfd to generate range of pressure flowrange of pressure flow 2 flow measuring devices flow grid flow station high flow flow grid flow station high flow orifice plate low flow. Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required. In such case record the type of meter on the test report.

If any supply or return duct chases flexible lines or air handler units are in these areas by iecc 2015 code a duct leakage test is required. If the result is less than or equal to 5 cfm25 100sf for the total duct leakage test or less than or equal to 4 cfm25 100sf for the duct leakage to the outside test then the hvac system air tightness is acceptable. The advanced tools of the editor will lead you through the editable pdf template. The orifice tube data entries can be eliminated if a different type of test apparatus is used.

If a crawlspace is conditioned then no test is required. Duct leakage test form customer information. Multiply cfm25 by 100 divide the result by the cfa and record the result. 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.

Joints and seams shall comply with section 603 of the nc mechanical code. This includes areas like unconditioned attics garages and crawlspaces. 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. Duct tightness shall be verified as follows.

And a sample of a completed report is shown on page 6 3. A duct leakage test duct testing can be performed at rough in before. If different from above street. Duct air leakage test section 403 2 2 sample worksheet n1103 2 2 sealing.

To start the form use the fill sign online button or tick the preview image of the blank. Test apparatustest apparatus duct leakage test system consists of duct leakage test system consists of. The way to complete the online duct leakage test report on the internet. 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.

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