What is a CONTACTOR and how does it work? HVAC/R (Simple & Easy)

What is a CONTACTOR and how does it work? EXPLAINED!
HVAC/R (Heating, Ventilation, Air Conditioning/Refrigeration)
Contactor Basics - HVAC/R Training Videos
Service, Sales, Installation

What is a Relay & How does it work?

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[tresmoore]

Not sure what your long term career plans are, but I really hope you consider being an HVAC instructor one day. I've been in this business for 17 years and I still like to come back to your channel for a refresher. Great videos. Keep the channel going!

[LeoT]

Thank you! I’m taking classes at my local community college for a certificate in HVAC and your videos are a huge help!!!

[MinimausCrafts]

Wow very informative. Great videos bro keep it up

[Smitty]

Great video man very helpful I am a newer testing adjusting and balancing technician and I’ve learned there’s a lot of diagnosing with the job so these videos are a big help

[callidawkins]

Thank you for the simple explanation. very insightful

[kevinjames]

Thank you man. I'm a light HVAC tech and out here in o.k they don't tell much but your video cleared up alot of static!!

[washanyabenjuda]

Brand new to HVAC. this video was simple and to the point. Very helpful!

[gregbradshaw]

Love your videos man! You really help with breaking down component functions and such.

[juliangonsalves]

Thorough explanation, thank you for taking the time to make this video! Much appreciated.

[Oneklickmedia]

Thanks I’m homeowner diagnosed my own issue with no heat pump. My last assumption is this contact issue. Will take it apart and see if this is working like you shown.

[angeltorres]

You should do some videos on how to test equipment like contactors and relays and switches and such to see if they’ve gone bad

[brycematthews]

Please make more videos I understand it so much better

[kevinzeng]

Very interesting topic and thorough explanation

[wingloading]

The YT algo sent me here before the 110F heat index arrives. Let's see if they know something about my compressor that I have not yet discovered.

[adampowers]

Thank you so much great video helped a lot

[wanderingsoul]

Hi, so the contacts on both sides of the contactor are for connecting the Thermostat wire to either side ? Also, does the side from the Power comes in is called L1 and L2 and the Load Side is T1 and T2 ? Thanks

[legoav]

Thank you, I am a new homeowner, recently my outside fan stay on regardless of my inside AC was on or off. I replaced both my contactor and capacitor since both parts are cheap and both were over 8 years old .. my AC started working fine or normal after that but after 24 hours of normal working conditions. I noticed that my contactor gets stock on the on position.. after I reset power from breaker
Then start operating normal.. what could be the issues. Thanks..

[dartmouthlights]

Is there a definite line side (I believe that’s what it’s called) or does it matter which side the power goes in ?

[RC-Heli]

Does an old school blowermotor with a capacitor need a contactor or is a 90-370 relay sufficient?

[toupsclassroomtoupsclassro]

question: can you have a higher res number my orig. contactor has res 30 and new one has res 40 what does that mean anyhow can't find anything online ty