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AI-Driven VRF Systems for HVAC Pros to Improve Efficiency using LG Multi V i Tech - David Kim Part 1
In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by David Kim, Engineering Manager at LG Electronics, to discuss variable refrigerant flow systems and how they work. David explains the difference between heat pump and heat recovery VRF systems, how inverter compressors and electronic expansion valves control refrigerant flow, and why each indoor unit can operate with its own set point. The conversation covers VRF system design, piping, refrigerant charge calculations, and the use of LG's LATS HVAC software. Gary and David also discuss the importance of nitrogen…
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