Setting a Refrigerant Charge by Subcool

Bryan demonstrates a in-depth tutorial on how to set a refrigerant charge by Subcool.
Read all the tech tips, take the quizzes
and find our handy calculators at www.hvacrschool.com

[@jericosha2842]

i don't grow tired of your videos. This was a great demonstration of using core deppresors (how is this not the standard yet?) and the probes.

[@00ABBITT00]

I can’t express in words how helpful videos like this are for those of us who are dedicated, hardworking and most importantly, interested in this trade but may be slower learners than others. I never feel demeaned when I watch these videos and for that I thank you.

[@Vic92]

I have no more than 2 years on the hvac trade and from the very first day I start watching your videos, now im on level 2 NCCER Hvac and refrigeration course and my hvac skills skyrocket thanks to this channel, I was nominated as best junior tech on the company I work and all this was because of this channel, there is so much high quality info that you can learn here.

[@terryadams5335]

I've always enjoyed drinking from fire hoses! I earnestly appreciate your teaching/presentation style. Please continue your excellent work.

[@SSTW]

Thank you so much for being such a great teacher and having the patience to share your knowledge tirelessly and effortlessly I'm so blessed to be able to have access to your videos. You are really appreciated sir!

[@Chaomhainn]

Nice presentation . Good to actually see an instructor out in the field not just in a class room . Bryan you give much more than I could have imagined . Cheers

[@luisbenitez3428]

one of the best videos out there illustrating and teaching how the HVAC system works, especially... showing how to set up the equipment, reading an understand the unit in operation, thanks a lot man, you're a excellent... instructor.

[@advanceair]

No wonder there is no dislike on these videos, Your videos and teaching method is class A and really appreciated, Thank you

[@jamestamu83]

Best HVAC technical channel on KZbin! Learned a lot from watching your videos. Thanks for sharing your knowledge!

[@armorhandyman5062]

Thanks for the demo and the explanation of all the tools as you were using them - that was awesome.

[@brianpipkin9214]

Loved it man! Awesome video for learning to become a better technician

[@kylel8287]

Your videos are great, so much useful information. This is coming from a refrigeration and air conditioning mech. Keep the videos coming

[@IVIUIVDOG]

Another well made clear and consice tutorial.

[@frankspliff7037]

Most helpful Hvac videos on KZbin

[@Gary-ts6dh]

1:00 - True to Bryan Orr form, we're told were about to see one thing and then he does exactly the opposite (0:00). Thanks for keeping us on our toes, Bryan. I was anticipating seeing how to charge by Subcool using only temperature probes.

[@zachosborne6577]

Love my analog gauges, they’ve served me well for many years.

[@purrungas2012]

Top of the line details...thanks really appreciate the way you explain things

[@francisbriggs76]

Very good teacher! Easy to understand.

[@jmead6121]

Thanks for another Great Video & tutorial ..I also love & use the core depressor tool for hi side sometimes or ball Valves & Lo loss fitting combo

[@SuperVstech]

Note the data plate specifies 10degrees sub cool AT the evaporator. Your subcool measurement outdoors doesn’t take into consideration the heat gain from the long uninsulated liquid line. Especially important in attic evaporators with multi story homes.

[@gffaherty]

Great video. Well done.

[@jaimedpcaus1]

Very nice! Thank you for such a great video.

[@Sc19869]

Thank you for your knowledge sir.

[@MyBallzGotShocked]

I havent got them yet, but i just want to say thank you for showing me core depressors. Too many headaches due to unnecessary sealing surfaces.

[@georgesharrizon7293]

great procedure Bryan! accurate and up to standard. we don't have instrument like that in the Philippines I wish we could but we used TANTYAMETER here.

[@donnierobertson3088]

Great job and video like always

[@lando1k979]

Thanks again 👌🏾

[@hashimshams9633]

Good Morning Sir, thank you for all the valued informations, me and my colleges would like to see and hear from you the Signs and scenarios to check the charge of an Air Conditioner Evaporator having a high return air temperature.

[@paulbryant68]

love this style video! do more…maybe you have cause dis ones been awhile. thx

[@100bfriend]

I've been retired for 20 years, this was a good job and nice video... I see I need to buy some stock in a battery company 😁😁

[@mike-yp1uk]

I liked watching a sevice

[@johnathon9056]

Replace your hose seals and turn the depressors in using a valve core tool, lossless hookup.

[@shawnfanning8519]

Your video are great

[@Mikecianfrocco]

Great video Mr Orr! Is la Croix a sponser now?

[@armandorodriguez6447]

Professor of the Pros

[@rickbraden4272]

Always very good. Thank you. Question is how come the 410A jug isn't rose colored?

[@Jetski270]

I would love to attend your hvac school

[@Waymanator123]

Could you list out all the tools you used in measuring the refrigerant? I'd like to purchase some of these tools for myself. Edit: I found the gear, thanks!

[@WallaceRoseVincent]

I'm never going to touch my ac, but the video was still fun!

[@TuuRaww]

awesome

[@Alex-jo2oi]

You make these videos very informative and I greatly appreciate it! I know absolutely nothing about HVAC, and I notice I have a very high interest for it. Sadly, nobody will hire me due to 0 experience. What should I do?

[@HVACS]

Glad to help

[@pleasecho2]

All this nice gear and you guys are still using Fahrenheit and PSI?

[@zyxnix]

I got to get all that equipment. 😃😀

[@jrsmyth9761]

How much additional charge was added? Why not add an additional temp probe for the OAT and then it will be automatically input? It is a heat pump sitting flat on the pad. I guess there is no freezing happening in your area and if this goes into defrost the water will not freeze on the outdoor coil?

[@holtrussell]

Excellent demonstration! Does bleeding air out of the line as a vapor go against best practices due to the need to keep the blended 410A mixture ratios correct? I would think that bleeding lines with a blended refrigerant would be best done using a liquid. Maybe that’s not a concern.

[@piezomotor]

Thank you for this video. Originally the blue gauge showed the saturation temperature of 20 degrees F (Pressure 43 PSI R22). At the same time the temperature I measure on the blue line next to the charging port is 80 degrees F. Thus my Superheat is 80 F - 20 F = 60 F. The pressure at the red gauge before charging was 200 PSI that corresponds to the temperature of 102 F. When I charged the system from the R22 recovery bottle, the Superheat changed 75 F - 26 F = 49 F. my red At the same time my red gauge after charging shows the pressure 225 PSI or it is the temperature 106 F and I measured the temperature of the high pressure pipe was 106 F. Question- is my system is overcharged now of I should continue charging it?

[@SubramaniamLakshminarayanan]

Requesting you to please give me a link to buy this Bluetooth kit. IT helps a lot to have one.

[@gtpforever]

Whats the model number for the temperature clamp you used??

[@wes4477]

Still like my analog gauges and i dont need to worry about dye or anything like that you would with digital gauges

[@popo_53]

When putting wire nuts on wires that are hot be sure you're wearing your eye protection.

[@bleisaint00]

Can you use those wireless probes in r410an and r22?

[@Captain_Kdawg]

good video goes to show you. That not every jobs going to be exact! as far as the measure quick app!!!

[@yodamanrulz176]

When pointing out the true suction port, perhaps you could obscure what you are attempting explain a little bit more by more hand/elbow in the way and a more sad camera angle.

[@Brisket9392]

When finished charging, close the tank valve and then open the charging hose up so no more liquid is in the hose. Prevents a hose full of liquid into environment.

[@loganc339]

Never met a tech that cared even slightly about letting refrigerant loose to the atmosphere..ever

[@rickbraden4272]

In all honesty I think you drank way to much of the alarmist kool-aid. I ways do what you suggested but it has to do with not wasting it.

[@CHOPPA78]

Gloves guys !

[@iancunicolae2626]

is it ok to have 13.5 subcooling on a 10 +- 2 Target? per manufacturer? Only slightly higher amps? Will it perform better in heatpump by having more freon? in the winder when the volume goes down due to the cold?

[@megalomani4k]

What brand of charging tool did you use?

[@Pete9999100]

I missed the port you added charge. Was it the low side port or high side port ?

[@Pennconst101]

2:50 Fun fact, Goodman/Amana recommends charging in low stage only

[@philkuchle7508]

Question what is the name of the blue adapter that is put on the refrigerant tank to limit flow? this is at the 16:37 time in this video.

[@tinymanthebeast]

A lot of new people are getting the testo smart probs or filed pice probs with the clamps and the app .

[@warningthetacohasagun8562]

Just wondering how many people here use sub cool or super heated, or beer can cold and how many add ten Mississippi of that cold juice!??

[@acetoday1]

Can someone provide links to the core depressor and blue (small orifice) charging tool

[@ericsosu7867]

Please which app. Do you used in your calculations

[@ryantoner8132]

Wouldnt we just recover on a heat pump and weigh back in?

[@ricardosanchez1930]

When purging the line with vapor from tank, doesn’t that cause an imbalance in the refrigerant tank due to r410a being a mix?

[@DayClanTribe]

It's negligible with r-410a being near azeotropic mixture.

[@SilverBackELTorro]

Outstanding

[@joebrowell6268]

What app are u using for probes?

[@Silky_boi]

I’ve noticed these new inverter systems are much more sensitive to overcharging so analogue gauges just have to go. Good quality digital gauges like SMAN are ideal. Not a fan of these probes as you have to be tied to your phone.

[@johnnybaby9]

Hey what app were you using?

[@haroldcouch4168]

Amana says charge in 1st stage.So that means in low airflow and only 67% compressor capacity.What do yall think of this?

[@whatdoyouthinktodd]

I realize this has nothing to do with a video but you guys said you installed this unit The corrugated pipe that comes out of the ground that the line set is going through is wide open doesn't that allow rain water and/or snow if that happens in that area to get in besides rodents and other pests? I do home inspections and that would certainly be a red flag on the paperwork and I don't like red flags anymore than anybody else does. Lot of unnecessary work. Love the videos though I'm learning a lot.

[@sauliusvausha4964]

hello wondering what kind app you using its not fieldpice

[@jacodejager5462]

Hi what app are you using

[@reza49363]

Could you please, tell me where I can buy Core depressor tool ? Thank you Sir

[@josephlowman7906]

Supply house.com tru tech tools

[@davejohnsonnola7908]

www.trutechtools.com/Accutools-S10767-Shrader-Depressor-Tool-1-4x1-4

[@davejohnsonnola7908]

www.amazon.com/Thumbscrew-Core-Depressor-Part-CD5050/dp/B01HQG4OB6/ref=asc_df_B01HQG4OB6/?tag=hyprod-20&linkCode=df0&hvadid=241897320872&hvpos=&hvnetw=g&hvrand=17520884938514476615&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9025099&hvtargid=pla-655596801118&psc=1

[@sultanhong]

why ur R410A bottle is not in pink colour?

[@SuperVstech]

Refrigerant standards are changing all refrigerants to the beige color, forcing techs to READ the numbers on the tanks… supposedly reducing contamination of refrigerants.

[@dustyr.647]

Where do i get that charging tool

[@REDRUSSIA0587]

Can you do a superheat video?

[@MrSteltz08]

Where did you get that blue charge tool to slow the liquid?

[@dalltex]

Amazon sells Imperial Kwik Charge but it's pricey. I got my blue one on ebay or a supply house for a few bucks

[@jasons626]

Looking for this as well!

[@nappy2720]

I have to use my 480 snap with clamps

[@ronaldpalmer1241]

Sorry but I am confused. In the video you said that the large line was he true suction line. I thought that most units had a true suction line, usually on the same panel about the 2 service ports but sometimes inside the unit. I thought that the service port suction line changed in heat mode, and that you had to be hooked up to the other suction port (true suction) in heat mode. I thought that the small line liquid port remained the same in both modes.

[@Stuart68505]

Very helpful. I will need to learn how to use MeasureQuick once I buy the digital tools. I wondered how it takes a measurement of the Freon that is being put in the system. I just have the old fashion digital scale at this point.

[@redneckways1617]

The analog gauge is still the easiest to detect noncondensables

[@codyweber4436]

Does this app work with other devices than field piece?

[@davejohnsonnola7908]

Measurequick app allows one to mix and match Testo, Fieldpiece, UEI probes and other meters.

[@Kevin-mm6xm]

It might be a 2 ton system, considered "small", but it holds 13 pounds of R410a and that's not small at all. Why so much? My 3 ton only holds 5.5 pounds. Do all heat pump systems use a higher than normal AC refrigerant?

[@JavierChaparroM]

How can I find that charging tee? Haha I have the same probes and it would be nice to be able to charge refrigerant with them

[@Mauriciom2011]

www.trutechtools.com/Accutools-S10767-Shrader-Depressor-Tool-1-4x1-4

[@briancarlisi2224]

I use Appion vacuum rated T’s so I can use same for charging and evacuation.

[@JavierChaparroM]

@@briancarlisi2224 it would be so amazing if @Fielpiece would have included a micron sensor on the smart probes haha

[@Zdravko1394]

I am new to this business. But shouldn't some more gas have been added. Demonstration supper. Thanks

[@gregphillip2458]

Sweeeeeeeet!!

[@messyg641]

WHAT IS THE APP YOUR USING?

[@thebigmacd]

Measurequick

[@chillybinbob]

I think that by looking up the specifications on the field piece electronic gages which are listed as +/- 5% of full scale, and comparing the specifications of a yellow jacket entry level manifold gage which is 1% of full scale that they are not more accurate than the "old School" gages. I am just saying. NOT ADVERTISED AS MORE ACCURATE BY THE MANUFACTURER.

[@mflettre6711]

100th like!!! Cool.😎

[@garza7676]

I have a 5 ton carrier unit that replaced a 3 ton unit few years ago .At the time the HVAC salesman lied and told me you should get a bigger unit . Fast forward 5 years later and I just recently finished HVAC school .The other day I plugged my Testo 550 gauges and couldn't get more then 5 degrees of subcool ,data plate recommends 10 but my superheat was @ 8-12 and have a 20 degree split from my RA AND SA vents .Outdoor temp was 105 (Vegas heat baby) I don't wanna keep adding refrigerate just to get the recommended subcool and risk flooding my evaporator ,and returning back to the compressor .So I do have a starved condenser .I told my instructor and he feels the unit it to large but which I agree . What are the risk of having a starved condenser ? Do you feel I should let it be ?

[@garza7676]

W D txv sir

[@jrsmyth9761]

@@wd8557 Not so fast!!!

[@jrsmyth9761]

Was a 3 ton and went to a 5 ton, both indoor and outdoor coils replaced? Was furnace replaced? Was a commissioning report done and do you have it? Can you move enough air for a 5 ton? Was air flow changed to match 5 ton from 3 ton?

[@cameronrimmer2819]

You will have humidity issues

[@garza7676]

W D I’ve had no issues sir

[@joseramonherreramendoza9260]

How come charging up side down liquid in to the low side system? I didnt get it 😅😅😅

[@lordjaashin]

he is using that blue color charging attachment that slows down charge rate and converts liquid refrigerant to vapor refrigerant.

[@davejohnsonnola7908]

Blue adapter is a tiny orifice that makes liquid charging leaving the tank, vaporize before getting anywhere near the compressor. No risk of "slugging" compressor.

[@micahjames5663]

Because you supposed to charge R410A as a liquid…

[@SuperVstech]

Only pure molecule refrigerants are supposed to be charged as a gas. The mix refrigerants (the ones that start with 4) are mixtures of different molecules. The mix needs to be added to a system as a liquid to maintain correct mixture of the molecules.

[@ralphriffle1126]

Very informative. We know your tools are yours. You can skip saying, MY. My This, MY THAT, MY EVERYTHING.

[@Bibbin16]

seems like the digitals are alot of extra work lol

[@pl747]

How much would that amount of refrigerant cost me?

[@cengeb]

GLOVES!!!!!

[@paulgaras2606]

My 410a tanks are still pink

[@Papasquatch73]

Only until supplies run out

[@1stFlyingeagle]

Why not just use the fieldpiece manifold gauge set? Instead of the way you just shared. Pros and cons, please.

[@SnowyOwlPrepper]

Accuracy and precision are different. Accuracy, temperature wise, is how close a number is to a standard (actual value). Digital and analogue can give the same number. If that value is accurate (traceable to a standard)both are accurate. Precision on the other hand is how close can the device comes to a value. A wide needle doesn’t allow you to be precise. Precision is the plus minus the instrument is capable of in the design. Digital readings are usually a percentage of the full scale of the measurement being made. Good information otherwise.