Duct Smoke Test Procedure

The sound of the actuator and the time it takes are tantamount to a test.

Duct smoke test procedure.

The process is simple consist of smoke producing tablet air blower and air passing channe. This smoke test finds out the leaked area in the hvac duct system. Smoke detectors must be tested yearly and when they are released the actuator of the smoke or combination fire and smoke damper will spring closed or for smoke dampers that must open spring open. 3 1 notify the facility work coordinator using the approved electronic work control notification procedure.

Portable smoke tester is connected to the supply and return sections of the duct work. Yes if the duct detector cannot be reset at the facp or annunciator then a separate test reset station will need to be installed for resetting the duct detector per nfpa 72 section 23 8 5 4 6 4. The superior method of generating smoke by chemical reaction eliminates costly equipment and time consuming operations in pinpointing hvac leaks. 1 blower with speed control vfd to generate range of pressure flowrange of pressure flow.

Measure the airflow through the fan with the duct system at pressure. A larger meter for example q 26δ p could test 666 s f. All boots are temporarily sealed by either the ac contractor or authorized smoke testing personnel. This test will be performed annually on each duct smoke detector.

The basic idea behind using a duct leakage tester to test for duct leakage is. Test apparatustest apparatus duct leakage test system consists of duct leakage test system consists of. Test proceduretest procedure 1 select duct section for testing 2 measure and calculate duct surface area 3 pg p seal all openings except one. All dampers if installed to.

Assuming that the duct leaked at class 3 and the test apparatus could generate the static pressure to indicate 24 cfm 250 square feet of duct 24 9 6 100 250 could be tested at one time. Ac representative is present during. Use a calibrated fan to pressurize the duct system. The duct smoke testing process 1.