14K views · 6K reactions | Hvac technician teaches about how a heat pump defrost control board works and what are some main causes and diagnosis for the blink codes on the LED'S #HVACExperts #hvacapprentice #hvactechnician | Alex Ivey | Facebook

1.5K views · 50 reactions | Tune in to HVAC School to see Bert set up a Carrier heat pump with White-Rodgers Universal Heat Pump Defrost Board (47D01U-843). Here is the link to the video: https://buff.ly/3IS17y3 #HVAC #HVACSchool #HVACTech #HVACService | HVAC School | Facebook

I explain the role of a defrost temperature sensor on a heat pump! I go up close to show you the finer details related to this HVAC switch! Learn about HVAC components and the refrigeration cycle in our 2nd edition HVAC training book! https://www.acservicetech.com/product-page/new-2nd-edition-paperback-refrigerant-charging-and-service-procedures-for-ac . . . #defrost #temperature #sensor #temp #frost #heatpump #heat #hvac #hvacr #hvactraining #hvacservice #hvacrepair #acservice #acservicetech #f

Coil temperature sensors play a crucial role in the heat pump defrost cycle. These may be either thermostats or thermistors, and those two work in slightly different ways. Here, Bert explains how a thermostat sensor works. You can learn more about heat pump defrost in our latest video, which you can watch at https://buff.ly/x6GseHh or on our YouTube channel! | HVAC School