https://youtu.be/gp0-VS3m7uY In the fourth installment of the Retrotec Air Current Tester series, the focus turns to the power tiny smoke generator, showcasing how technicians visualize subtle airflow for diagnostics in…
Key IECC 2021 Requirements Test Type Requirement When to Perform Envelope Test ā¤āÆ3āÆACH50 (or ā¤āÆ5āÆACH50/performance path) After drywall/final trim Duct Leakage ā¤āÆ8āÆCFM25/100āÆftĀ² if inside; ā¤āÆ4āÆCFM25/100āÆftĀ² if outside Rough-in or final…
Watch how easy it is to use the DM32 with TEC’s Exhaust Fan Flow Meter https://youtu.be/QZABEBdOR_4 Step-by-Step Usage Attach Control Cable Connect the DMā32ās yellow Speed Control output to the…
Frame Assembly & Fan Setup Assemble the aluminum frame by snapping together numbered pieces. Mount the calibrated blower fan and insert the correct range plate to match testing conditions. For…
See how you can check your gauge’s calibration against itself and another gauge. Learn a simple way to test positive and negative ports against each other. https://youtu.be/nB7GbaG-aDI How It Works:…
Learn how environmental factors can affect your testing, and how to recognize them. Included are: the moving tube problem; the pinched tube problem; getting water in your tube; and, finally,…
Step-by-Step Process Depressurize the Building Install a blower door in an exterior entrance and pull the house down to ā25āÆPa relative to outside. Connect the DucTester Attach the duct blower…
Simulated Setup Overview A compact duct system equipped with adjustable holes, representing common leaks found in real-world HVAC systems. All supply and return registers are sealed, except for the access…
What You”l Learn A video-by-video layout showing the step-by-step progression through duct testing procedures. Directions on how the guide aligns with the printed Quick Guide manual, so you can follow…
Why Use Both Modes Depressurization tightens connections by pulling the duct panel seals inwardāideal for registering leaks effectively. Pressurization is more convenient in tight spaces and avoids blowing seals off…
