Electric Expansion Valve (EEV) Operation and Testing! HVAC Metering Device Training!

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In this HVAC Training Video, I Show how the Electric Expansion Valve (EEV) Functions, Common Problems, and Testing. Knowing the Operation of an EEV allows the Technician to have a Better Understanding during the Troubleshooting of Problems. 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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#hvacr #hvacr #hvactrainingvideos #hvactraining #hvactraining101 #acservice #acservicetech #EEV #operation #testing #meteringdevice #TXV #expansionvalve #technician #hvactechs #hvactechnician #explained
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Опубликовано:

14 июл 2024

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Комментарии : 270

@acservicetechchannel Год назад

Mini Split Book on Our Website- www.acservicetech.com/mini-split-book Mini Split Book on Amazon- amzn.to/3ytHJSs Mini Split Book on TruTech Tools- www.trutechtools.com/BooksGuides Mini Split E-Book on Google- play.google.com/store/books/details?id=HN-iEAAAQBAJ Mini Split E-Book on Apple- books.apple.com/us/book/id6445178399

@timdestasiohvac Год назад

Craig your brand is single-handedly changing the service industry for the good! Well done!

@acservicetechchannel Год назад

Thank you so much Tim and I'm looking forward to meeting you at the Symposium in a couple weeks!

@musakavalci9470 Год назад

Would this be transferable to the systems in the UK? For example, does it have both voltage differences and temperature differences?

@l0I0I0I0 Год назад

How much torque do those tiny motors have?

@Thelongmanable Год назад

*_It's a servo valve!!!_*

@_HVACdad Год назад

You my friend, are going down as one of the best HVAC teachers ever 👏🏼👏🏼

@philips170t Год назад

Agreed.

@aleonyohan6745 11 месяцев назад

Absolutely brilliant video

@MichaelSmith-pg6gi Год назад

I've heard that " clicking sound " so many times when starting up a newly installed minisplit but never knew that is was the metering device. These videos really give me an edge in the field.

@jammermac381 Год назад

I feel like I’m back in college studying electronics technology but with more hands on training. You would make a great professor at a university sir. Thanks for the free college classes. 👍

@oderamichael9994 11 месяцев назад

this really helped me during replacement of 2.5hp LG compressor, i had to remove the EEV to create space after the workdone i fixed the EEV clockwise direction and the system couldn't discharge refrigerant i came across this content that helped me understood the magnetic force and i clipped the EEV in anticlockwise direction and it worked 💪 ❤❤❤ really grateful 🙏

@mazarat4768 8 месяцев назад

Thank you bro. My problem was like that. But I knowed now

@HVAC-TECH-Les Год назад

This is by far one of the best EEV/EXV classes I've ever seen.....such great information, love the cutaway. Thanks for the video.

@Uncle_Jesse Год назад

outdone yourself....I bought your manuals out of respect, going to gift my apprentice because real recognizes real and I cant explain like this...amazing job my friend

@acservicetechchannel Год назад

Thank you so much!!!

@zipperdingo6385 Год назад

Craig, your videos always stand out in content and clarity, many thanks for a new value

@kylekisebach3966 Год назад

As design and commissioning engineers, we rarely pay enough attention to these details - so I appreciate your detailed work here.

@jasonjohnsonHVAC Год назад

Absolutely fantastic tutorial on the operation and how it actually works. Bravo Craig

@chrissapp9243 Год назад

Fascinating... This explains the "rattle" on the old FloTronic EXV (Carrier) at start up when it drives closed for pump-out at start up. Same operation as these, just bigger. Glad you made this video!

@MrZa3000 Год назад

You make it easy to understand with your flawless explanation. God bless you.

@LC-qi5ff Год назад

Thank you! I was going to buy a $200 eev magnet tool but now i know all i need is an eev coil head! 🌟

@stan-r Год назад

Thank you so much for making this video! This really helped me to understand how the EEV works and how to troubleshoot them.

@ReliableHVACR Год назад

This is great, had issues with them but it ended up being a faulty board. So helpful to see the guts in action

@Cloakedpyro Год назад

Was that voltage issue on a Daikin or Fujitsu by any chance?

@ReliableHVACR Год назад

Refrigeration side I see them on walk ins, it was an Intelligen by Heatcraft

@USA-GreedyMenOfNoIntegrity Год назад

I’m impressed dude. I wish I had more instructors like you and tech school. Although mine were pretty good down in Lawrence County Georgia- Gwinnett Tech. During initialization, I think it only seats it in one direction. The manufacturer knows how many pulses it takes to get to the other end.

@jasongoertzen Год назад

This is the video I have been looking for for so long.

@marekracko2364 Год назад

Excelent video. The best decription of function and principle EEV. Big thumbs up !!!

@scottallen5182 8 месяцев назад

Fantastic video from one of the greatest teachers of all time!

@luciancostea9223 Год назад

From Romania,thank you for the presentation, very useful and perfectly presented. Respect👏👏👏

@hiz-n-lowz1577 Год назад

free Top G!

@mwdub02 Год назад

Free Andrew Tate

@shakaibsafvi97 Год назад

Best Expansion Valve Video I have seen ! Amazing Detail ! Salute !

@JasonNYC5454 Год назад

Thank you for this great video. I always clicked "Thumbs Up" before watching any of your videos.

@thatcaligula 7 месяцев назад

Just WOW! This is the level after professional, illuminating!

@moralatu Год назад

Super informative video , thanks for taking your time to help other people I really appreciate you doing this

@omarfue556 3 месяца назад

Really good explanation on how these valves work. Thank you.

@mitsos306ify Год назад

Great video , thanks for the knowledge! From what I understood, it is a kind of specialised stepper motor! Now I have to find an application for it!

@whitesheatingairappliancer7101 Год назад

Whirlpool had this they might still have it on some of their french door refrigerators but five years ago they had this and we learned about training on it and one of the instructors he mentioned there was a filament that you can put up next to it and it'll show the magnetism. It was some special filament. I forget what it's called. Great video. Your new book that I purchased arrives Tuesday looking forward to it

@rodgraff1782 Год назад

Carrier had these on their flowtronic chillers. I had to replace two. They were very large, and made of brass. Pipes were 1 1/8” in and out. Ran on the same type of stepper motor, but used a lead screw to drive a slotted piston up and down. Two refrigerant circuits, 125 tons each. The chillers were an absolute service nightmare.

@fernandofrancisco3106 Год назад

Excellent video. So much information to learn, I love your videos. Thank you sir Have a great weekend 🎉

@musakavalci9470 Год назад

That was beautifully explained and presented. Thanks

@brianmcdermott2430 Год назад

Great info. Craig. Thank you. Great video.👍👍👍👍👍

@Mohamed-Fadl 3 месяца назад

Thanks for the good information. I wish you all the best. Excellent video

@stefano8809 Год назад

thanks for masterful and deep explaining

@Cloakedpyro Год назад

Just had to replace one of these EEV's on a Daikin at tech supports direction, and at the end of replacing it i still had almost no clue what it actually was. This vid came out the next day, lol thanks for your clear presentation. I bought your 1st book, and am eager to order this one as well! These minisplits are mysterious to me, and i dont necessarily like servicing them, but they definitely seem like the "way-of-the-future", so thanks for keeping us ahead of the curve!

@acservicetechchannel Год назад

Thank you so much Cloakedpyro!

@aleonyohan6745 11 месяцев назад

@acservicetechchannel I work for fluid Chillers and I am pushing hard for us to have these on all of our Chillers especially our large low temperature Chillers. Controlling the superheat especially with large load swings is extremely important for efficiency and the life of the compressor.

@narcisosanchez243 Год назад

Hi, glad to get in touch with you. I work as an air conditioning technician for Mitsubishi Heavy Industries in Spain. I am pleased to inform you that I have developed a small tool to check the EEV of the different air conditioning equipment. Carrying out tests on devices for domestic, industrial, VRV and Aerothermal use of the previously mentioned brand and also domestic Hisense. These teams mount EEV from the manufacturers FUJIKOKI, SANHUA and SAGINOMIYA. With the device, the technician can verify three points that I consider important in the diagnosis of the element: - If the A/C equipment pcb transmits the signals to the EEV. - Measures the resistance of the EEV coils. - Finally, it can be opened - closed automatically, or manually select the number of opening or closing pulses. If you find it interesting, you could expand the information you consider appropriate. Greetings

@drewc7479 Год назад

Where can I get that info ?

@narcisosanchez243 Год назад

@@drewc7479 Hello, I have uploaded another video and I think you may be interested. Greetings ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-H0jJomVl6hE.html

@robertoalvarado9424 Месяц назад

???

@Josh-pu4wn Год назад

Ive been looking for this info for so long, thank you sir

@whatwoulddennisdo7243 4 месяца назад

Thanks for the wiring orientation. I made one up but did not have the specs on it as it was a 6 wire. Been able to successfully replicate the results here, many thanks from me

@kainzappe3349 Год назад

Thanks that’s very helpful I’m not very familiar with mini splits. Love your videos 👍🏽

@rondouglas6486 Год назад

Excellent video....excellent quality love your channel!!!!!!

@raulgarcia528 Год назад

Gracias amigo exelente explicacion.

@Chris-gy1hf 2 месяца назад

Great service video on these

@rolanddejesus8685 Год назад

thank you very sir for a clear explanation....

@thesilentonevictor Год назад

Thanks for the educational video

@norcal_inspector Год назад

This was a great video! I'm gunna buy the book

@Bluezhealer Год назад

💪🏽Appreciate the vids very informative ;You’re Making HVAC C00l Again 🤘🏽😎

@gaillaffer7579 Год назад

Great video. Thank you.

@stevengilber1153 Год назад

Excellent Video

@jspinosa50 Год назад

Very informative explanation, thanks

@haunguyen-tr2zm Год назад

it is a very useful training. thank you.

@ChristRegeneration Год назад

Great video. Bravo 👏

@alenskykiteboarding6292 Год назад

Really excellent tutorial. Bravo

@user-un2sf5sq7m 7 дней назад

Süper bilginiz için teşekkürler

@drrenard1277 Год назад

Stepper motor valve. Very nice and precise. I would have thought there would be an encoder but going full out and in is good way to get a blind position unless there is something stuck (not sure if there is a situation that causes that)

@johndove5902 Год назад

so:this is like an electrical replacement for the mechanical valve known as the txv.l Very awesome video.

@JuanTodoli Год назад

Excellent 👏

@edgar20109 Год назад

Great video, it helps me a lot, thanks!!

@neilcomparetto5282 Год назад

Great video Greg!

@l.crossjr Год назад

Just bought the book. Awesome content

@acservicetechchannel Год назад

Thanks a lot!

@hashimwaheed4906 Год назад

great video!

@indiantraveller194 Год назад

I'm biggest fan of yours sir 😘🇮🇳🙏

@dutch.818 6 месяцев назад

This a great teacher

@gingerstrand6153 Год назад

Thank you!

@FadiHamoud1980 Год назад

Really great video. Thanks a LOT.

@acservicetechchannel Год назад

Thanks Fadi!

@davidcross27 Год назад

Great video, thank you!!!!

@wd8557 Год назад

Excellent

@grashoprsmith Год назад

Your videos are top tier

@paulcandiago9339 Год назад

Thank you

@josecarlosmejia9632 Год назад

Great video

@math1412 4 месяца назад

V good representation , thx alot 👍👍

@shamsheralam8862 11 месяцев назад

Very useful and very good explanation thanks

@HamidParesh Год назад

Amazing video ever

@AIthings82 Год назад

Very interesting as always.

@RajSingh-vd9om Год назад

Thanks!

@norbertg7946 Год назад

Great explain ....

@HVACShopTalk Год назад

That was great, thanks.

@techman6431 Год назад

Very great explanation and practical Thankyou

@acservicetechchannel Год назад

Thanks Techman!

@Александр_Фомин 3 дня назад

Спасибо.

@nestorgana9238 Год назад

I like the explanations.

@michaeljones1664 Год назад

This is very much like how a stepper motor works.

@antoniobragancamartins3165 Год назад

Very good! Now i understood! Great!

@acservicetechchannel Год назад

Antonio, awesome, thanks!

@RR-Mekatronika 2 дня назад

like motor stepper how it works. use pulse DC for a better angle position. thank you for sharing the knowledge.

@joneslmofokeng5924 Год назад

Very informative.

@rajeshkingson Год назад

You are really awesome

@ssrajui0075 Год назад

My dear explainer please note it's not high-temperature liquid, it's sub- cold medium temperature liquid refrigerant

@petyopetrov2048 Год назад

perfect video thanks a lot for

@jcaleca60 Год назад

Basically what Doing changing the polarity on DC Like on a call window To go up-and-down reverse positive and negative To the motor

@caffeinatedinsanity2324 Год назад

320 pulses for full travel is a good resolution but if you had something a little bit less precise, there's always the method of "half steps" that you can use that's not that much more complicated. It will double your number of possible angles you can position your motor at.

@CITRA_AC 7 месяцев назад

thank you

@eddelromero5692 Год назад

Thank you sir you the best...

@nishn111 3 месяца назад

I have not seen anyone do such detailed investigation on valve, everything possible is in there in video.

@surajhazra8053 Год назад

Thankyou sir

@gaborkiss2819 Год назад

Thanks, it was useful

@acservicetechchannel Год назад

Glad to hear that!

@joeery5699 6 месяцев назад

Tqvm, i thought it was up&down solenoid..now i know

@fjs1111 5 месяцев назад

Similar to a stepper motor, very cool

@ITR30 10 месяцев назад

Informative video 👍

@acservicetechchannel 9 месяцев назад

Thanks 🙂

@Didik-cq8wy 11 месяцев назад

Trimakasih bos

@kalogpanag Год назад

Ubelievable video explaination!!!!! WELL DONE!!!! Good to had more than 2 same eev's.... 😁

@samhaazratechnicalsupport Год назад

Very niece explain sir .love you sir 😘🇮🇳

@inothome 5 месяцев назад

Great explanation of the stepper motors in EEVs. And thank you for saying "negative"! Seems everyone these days says "plus" and "minus" when referring to DC polarity and yes, a pet peeve of mine. Positive and negative dammit! lol