How Refrigerant Works in an Air Conditioner! HVAC Technician Training!

[@acservicetechchannel]

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[@RayRay-nb7tn]

These are great to have for on the job and in the classroom to learn so much on Refrigeration cycle, and service tips on what to look for on a call. Get them you can't go without them.

[@rookierefrigeration4357]

You are there main guy I watched during my first year. I learned so much from your videos. They definitely help the young guys. Please keep doing you thing. Thank you.

[@acservicetechchannel]

I appreciate it very much! You are rocking it and doing well with your videos! Thanks for what you are doing as well!

[@moeselec]

You are right . This Channel is very informative , far and beyond what you can learn in a classroom. Excellent HVAC School. Thank you AC Service Tech 😊👍

[@bennettdavid904]

Thank you for the videos, going from installer/tech to a tech at a different company with a large pay raise. Your videos are helping so much! Edit: These videos are better than the school I paid thousands of dollars to go to!

[@acservicetechchannel]

Glad you like them!

[@bennettdavid904]

@@acservicetechchannel I just bought your book! From the reviews, I already know it's going to be great. I hate how the old guys won't share any information. You are one of the best! Thanks for sharing your knowledge.

[@tankttehctiw8776]

I never understand why you get thumbs down. Preciate all the knowledge and dedication for us hvac techs. Godsend, thank you 👍🏾👍🏾

[@acservicetechchannel]

May The Lord Bless You Too, thanks Tank!

[@TheRealoldcar]

I suspect, those viewers don't know some of the terms mentioned so this is too advanced of a level.

[@publicmail2]

In a basic definition you want proper saturation in the evap and condenser so you are making the best use of that coils ability to absorb or give off max heat.

[@acservicetechchannel]

Yes Absolutely!!

[@publicmail2]

@@acservicetechchannel I take what I watch of your video and re-express it, it helps me retain it.

[@aldonunez5082]

@@publicmail2 thank you I’m fresh out of high school and want to be a tech.

[@jellymanhd9804]

Perfect explanation

[@fernandofrancisco3106]

Thanks for a great tour on how the refrigerant works on the system.

[@acservicetechchannel]

Thank you Fernando!

[@robertvaladez1918]

This guy explains it really well bubba

[@fernandofrancisco3106]

@@robertvaladez1918 he’s really good I like watching every video he puts out there. I’m learning more than my old school days. He’s so good at it.

[@RayRay-nb7tn]

AWESOME video on the flow of refrigerant. Easy to understand and follow. Great job thank you.

[@acservicetechchannel]

Glad it was helpful!

[@MrChipBryant]

Thank you for sharing your experience and knowledge. You really help the industry!

[@acservicetechchannel]

I appreciate that!

[@nilendra75]

The explanation was very clear and easy to understand. Thank you.

[@acservicetechchannel]

Glad it was helpful!

[@adamcraig1568]

@ac service tech, thank you for all the videos over the years, I don’t think there is one I haven’t watched. I’ve been waiting on the communicating and inverter type videos 👀

[@moeselec]

As usual, here is an other Excellent illustration . Thank you AC Service Tech.😊👍

[@acservicetechchannel]

My pleasure!

[@luiselizalde6757]

Excellent teacher. Very good explanation.

[@acservicetechchannel]

Glad you liked it!

[@jimmysegovia2688]

AWESOME CRAIG I GOT TO COME BACK AND WATCH IT THANK YOU FOR SHARING.

[@thaitichi]

Excellent explanation. Thank you!

[@acservicetechchannel]

Thanks a lot!

[@chesstime356]

Great job thank you for sharing. I am new to the field. I would like to see more and basic videos as well.

[@acservicetechchannel]

Thank you Mohammad!

[@juanc597]

Genial and fantastic.Thank you

[@ShawAnthoni]

Thank you kindly

[@thedigitalcitizen275]

Best video. Best explanation thank you so much

[@acservicetechchannel]

Awesome, thanks Leonel!

[@rickguelda4743]

Great informative video, thanks for posting 👍

[@acservicetechchannel]

Thanks for watching!

[@qomco]

Youre the best!

[@joeatx4564]

Amazing video 👍

[@acservicetechchannel]

Thanks for the visit

[@mohammadalshaikhhasan5091]

Thanks and great, Question: What relation between subcooling/ superheating and refrigerant charge?

[@Froggability]

Purple : Cold liquid Light blue : Cool gas Light red : Warm liquid Dark red : Hot gas

[@gregscheyd4131]

PRICELESS !!!!!! THANKS !!!!!

[@dayomakanju4786]

Thanks for sharing

[@acservicetechchannel]

Thanks for watching!

[@boilerroombud3970]

Superb!!

[@acservicetechchannel]

Glad to help!

[@andyreyes6464]

Can you make one for inverter ac ?

[@sekarsankar7606]

What decides the suction and discharge pressure? For example if it is R134A, 40 psi suction and 100 psig discharge. What factor actually decides the pressure?

[@mikeautostudent5562]

The chemical nature of refrigerant, the length of the tube in the system including the condensers and evaporators, the weight of the substance, the compressor and the desired temp of the specific system design. I hope That I could help.

[@sekarsankar7606]

@@mikeautostudent5562 Let me put it this way, the txv controls the flow of the refrigerant, and evaporator pressure was dictated by supply air temperature, what happens to the suction pressure if there is lack of refrigerant in the system?

[@thembones12]

Suction & Discharge pressure - Its decided by Manufacturer Air Conditioning Design Engineer. For example in Temp/Pressure Chart for R134A @ 40 psig is 35F and @ 100 psig is 124F. You want your suction pressure greater than 32F, otherwise it will freeze your suction/condenser side. As you know water freeze at 32 F....Compressor suction and discharge are determined by compressor piston size, compression ratio and etc...😍😎😁💖✔ And size of metering device, piston or TXV ...(If you're a HVAC tech, using your Manifold Pressure Gauge - you want your suction around 40 F-corresponding pressure and discharge around 105 F-corresponding pressure using your P/T chart)

[@andyfer7716]

Great explanation. One question: Shouldn't the air handler blower motor be blowing air towards the evaporative coil? In the diagram, t looks like it is sucking cold air across the coil instead of blowing. Is this a valid setup? I haven't seen it installed that way.

[@acservicetechchannel]

Furnaces push air across the evap coil. Air handlers suck air across. the blower is in the correct location, thanks!

[@andyfer7716]

Thanks. Is there a reason why the setup needs to be different for cooling?

[@dimas883]

Craig what material do you recommend for taking the EPA 608 Exam? thanks

[@publicmail2]

Hello Craig, do you find the current compressor draw more (3 ton heatpump R22) in heat mode vs cooling? I get on a hot day in cooling 3000watts (incl fan 1.1amp, 260watt) vs upto 3600w as it runs for a while, which steadily climbs over about 10 mins to outdoor TXV modulation, but is higher in heat mode vs cool mode. I'm sure you remember I sent you a pix of the sinusoidal current draw only happens in heat mode. So recap to my question I get about 3600w in heat mode at compressor only after it been running 10+ mins and 2800-3000w cooling mode depending on outdoor temp of course, BTW I'm moving 1400CFM indoor air in heat mode to "cool" indoor coil which I guess is a "condenser" coil.

[@GRACFUL1]

Technically the Metering Device is what makes the Vapor, correct? it takes the high pressure and pushes the liquid threw the metering device, then the metering device cuts down the pressure because the way the metering device is design the liquid has no choice but to turn into vapor, because of the small outlet from the metering device, correct? if we brake down a spray bottle, the spray bottle has a metering device too. Spray bottle has a compressor, and a metering device, and liquid. study the spray bottle and you will see how it works.

[@Albos11]

How does this system works if its turn on during the winter time does the refrigerant still circulates!

[@acservicetechchannel]

This is AC only but check out the refrigeration cycle poster video where I show the flow in heating mode on heat pumps, thanks!

[@sekarsankar7606]

Let me put it this way, the txv controls the flow of the refrigerant, and evaporator pressure was dictated by supply air temperature, what happens to the suction pressure if there is lack of refrigerant in the system?

[@aceman1136]

High subcooling low super heat?

[@julienbertrant4983]

I m from alger's i have the best idea in the world how have the nice in réfrigération .youcef airport

[@acservicetechchannel]

Thanks Julien!

[@Sctronic209]

👍👍👍

[@acservicetechchannel]

Thanks!