Basic Electrical Theory August 16, 2021, 1:43 am

Related Tech Tips

The Misunderstood Lockout Relay
Educators love lockout relays, and we also love pretending you will still see them out in the field all the time. Sometimes, I have to look myself in the mirror in the morning and sadly repeat, “Lockout relays are dead.” I have to say it several times before the reality sinks in. Before I get […]
Read more
Market Refrigeration TXV Adjustment
This quick article was written by market refrigeration tech Clayton Peeples. Thanks, Clayton! Adjusting the TXV should be done last after checking all other causes of the case being warm or floodback on the rack. TXVs very rarely go bad; generally, it's a dirty screen or a failed powerhead, both of which can be addressed […]
Read more
Wiring and Setting of Humidistat/Dehumidistat in Humid Climates
If you live in a dry climate, a humidistat is pretty straightforward; it just turns a humidifier on and off. That's about as simple as it gets. If you are in a humid climate, some people have taken to wiring in humidistats as dehumidistats to help control humidity when they are away. The first thing […]
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Your email address will not be published.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