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Defrost Mistake That Sends Refrigeration into a Head Pressure Death Spiral - Julian Finbow Part 2
In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Julian Finbow, RSE, Service Tech Support at Swegon North America, and Principal at Finbow Inc., about the different types of defrost methods used in commercial refrigeration systems. Julian explains how electric defrost, hot gas defrost, and cool gas defrost work, along with their advantages, challenges, and energy use. The conversation also covers defrost termination controls, mechanical and digital defrost time clocks, managing head pressure in large rack systems, and real service experiences showing how…
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