Roberto Garcia Basic Refrigerant Circuit Course August 21, 2022, 6:00 am

Related Tech Tips

The Extension Cord Puzzle
Suppose you have two extension cords. One is a nice, thick #10 50′ cord with good ends, and the other is a crappy #14 25′ cord. Unfortunately, you need to connect them both to get to your drill 75′ away. Which do you connect to the plug, and which to the drill? Come up with […]
Read more
Potential for Good and Evil (The Hard Start & Potential Relay)
I have spent most of my career being afraid of hard start kits; I heard too many horror stories of start caps exploding and sales technicians telling every customer they need one. It dawned on me recently that it may be time for me to take a more mature look at start capacitors, potential relays, […]
Read more
Hot Pull Down and What it Means
If you work in refrigeration, you may have heard the term “hot pull down.” This phrase describes a condition where the load on the evaporator is above design due to the box temperature or the temperature of the product in the box being higher than it would normally be. My grandpa called me a few […]
Read more

Leave a Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from