HVAC CONTACTOR Operation, Types, Ratings, Problems, Testing!

In this HVAC Training Video, I Show How Contactors Function, Where they are Installed, the Different Types, Common Problems, and Testing Methods! The Safest Way to Test HVAC Contactors is by Measuring Electrical Resistance! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

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⚠️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided.
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[paulrozinski]

Another great video, Craig. Between you, Bryan and Ty, the homeowner and techs have a great arsenal of information to make informed decisions. Thanks for being there.

[corruptedbrain]

even after i graduated back in may, i still rewatch and review my notes after work or on weekends. never stop learning

[betomedina]

I was looking for This video last night, life saver on my way to a service call right now where the contractor might be the issue

[carloszamora]

Electrical apprentice and this is by far of the best examples of contractors I ended up on the other side of the YouTube pond and found myself at a HVAC channel right on guys 👍🏼

[vicc]

You the man ! Couple of years in the trade and your videos have helped me a lot thank you

[LNiteCoffeeSips]

Love your dedication to teaching! Thank you Craig!

[torinbrown]

Thank you for learning me more❤. Mechanic learning electrical here.

[MaMa-qhdy]

Very thorough and well-done! Many thanks!

[jpenn]

Another great video. Thanks for showing the drop/diff in voltage across the contacts. You must have a team of techs just looking for bad parts to bring you for future videos.

[bodegadiescast]

Excellent video will show it to my technicians. Wanted to add that something I've found many times is the contactor blowing the fuse at the air handler when calling for cooling. When that happens usually de resistance of the contactor is like between 1-7 ohms. Ohms should read between 9-17 most of the times.

[HVACTEXH]

Awesome video man! I always refer new Techs to your channel. You are the best!

[marcosylvia]

Great video Craig. I always look forward to your teaching. Thank you.

[jortega]

I wanted to add, the details shown in the video is excellent and gives greater understanding of the electrical components of the HVAC system. Please sir if you would I like more information on the electrical components in your future post and thank your time and teaching

[mikefrancis]

I really appreciate the knowledge good sir, trying to master my craft and you make it easy to follow along which isnt always the easiet task for me

[chesstime]

As always I like your videos your one of the best technician….

[grahamblack]

Thank you for all your knowledge and sharing it with everyone!!!

[hidayat]

Thank you for the video about contector

[jimw]

Great Video. Is there a reason contactors cannot be sanded or chemically cleaned? Can it be a short-term solution maybe?

[henrykennedy]

Im master licensed, certified for 45 years this is what every helper knows

[henrykennedy]

No im the goat in hvac you learn this when you go to school basic hvac101