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Podcast: HVAC School - For Techs, By Techs
Episode: Short #46 - Surge Protection
Description: Today's short podcast episode is all about surge protection on HVAC/R equipment. Lightning poses a severe threat to equipment, and surge suppression may or may not help. Unfortunately, surge protection cannot protect HVAC equipment from direct lightning strikes. Surge suppression strategies connect to the high-voltage line and will protect your equipment from surges from the utility. Large, instantaneous spikes in voltage can mess up your equipment quite severely. In general, we install MOVs (metal oxide varistors) as surge protectors in residential and light commercial equipment. Series mode (SM) acts as a low-pass filter that...