Electronic Leak Detector vs Evaporator Coil

🔍 After applying Cal Blue spray to the joints and brazed sections without detecting any leaks, the next step in pinpointing a refrigerant leak using an electronic detector is to head straight for the evaporator coil. 🕵️‍♂️ Begin by removing the drain pan, ensuring it's dry, and then carefully insert the leak detector into the drain pan. 🩺 If the detector starts beeping in this area, you've successfully traced the leak back to the evaporator coil. Further investigation might be needed to pinpoint the exact location, especially if it's within the coil's u-bend, but this initial step significantly narrows down the search.
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Keywords: HVAC tutorial, cooling, skilled trades, engineering, construction, facilities
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