Arkansas HVACR NewsMagazine September 2023

HVACR NewsMagazine September 2023

Tech News

through the tube. This makes a turbulent noise which the ultrasonic leak detector picks up (see photo below) . This photo shows a high noise reading on the leak detector.

Here are links for the tools used in this article: Accutrak ultrasonic leak detector Big Blu non-corrosive bubble leak detector • Also check out our website for free resources such as free quizzes, articles, quick tips, calculators, podcasts and also our book and workbook and quick reference cards. All of our products are available on our website acservicetech.com/store and amazon.com/shop/acservicetech. • If you want to watch a video on this topic, Click here! • Check out our free Quizzes to test your knowledge here! • Check out our Free Calculators here! • If you want to learn about refrigerants and how they work in a system, check out our “Refrigerant Charging and Service Procedures for Air Conditioning” book . Test your knowledge with our 1,000 question workbook along with the answer key! Check out www.acservicetech.com/store

In order to locate the exact location of the leak, remove the grill, then move the ultrasonic leak detector across the tubing (see photo below) .

Once the area of the leak has been found, apply some non-corrosive bubble leak detector on the tube. Watch for bubbles or foam to form (see the bubble on the aluminum section of the tube in the following photo).

About the Author: Craig Migliacco is the owner of AC Service Tech LLC and the Author of the book “Refrigerant Charging and Service Procedures for Air Conditioning”. Craig is a licensed Teacher of HVACR, Sheet Metal, and Building Maintenance. He is also a HVACR Contracting Business owner of 17 years and holds an HVACR Master License. Craig creates educational HVACR articles and videos which are posted at https://www.acservicetech.com & https://www.youtube.com/acservicetechchannel The NewsMagazine encourages you to take advantage of Craig ’ s free offers as well as purchase the excellent training material.