Dawin Guillaume - How Defrost Mode Works on a Heat Pump | HVAC Technical Academy

In this real-time demo, Darwin — an attendee from the May–June 2025 HVAC Technical Academy workshop in Sanford, Florida — walks through how defrost mode works on a heat pump during cold weather.

You’ll learn:
✅ What activates defrost mode
✅ How the DTF sensor (nicknamed “Barbie”) sends the signal
✅ What the defrost board does step by step
✅ Why heat strips, reversing valves, and melting ice all matter

This is hands-on knowledge straight from the workshop floor, shared by someone who’s learning and applying the skills in real time.

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Видео Dawin Guillaume - How Defrost Mode Works on a Heat Pump | HVAC Technical Academy канала HVAC Technical Academy