On this Saturday call I respond to a no heat where I had to perform a roll out switch diagnosis. The roll out switch tripped and I had to figure out why.
In this video we discuss how to check evaporator superheat using testo smart probes in a walk-in cooler. Checking superheat at each evaporator on a multi evaporator system is important to system performance.
Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall
Check out https://www.hirago.com/
Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/
Instagram https://www.instagram.com/hvacknowitall/ LinkedIn https://www.linkedin.com/in/gary-mccr…
Listen to the HVAC Know It All Podcast https://anchor.fm/hvacknowitall
Visit https://www.hvacknowitall.com/ for articles, and tips.