What Should my AC Pressures Be for R410A Refrigerant

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Here I show the rough pressure range of what a R410A air conditioner pressures should be. Note that in order to handle or work with refrigerant you need to be certified with the EPA.
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Ben

[@BenjaminSahlstrom]

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[@jamessquibb7433]

Take it from an OLD Ammonia Service Tech.... That was great info for the general upcoming Service Techs.... Good Job..

[@ahabion]

Just wanna let you know that your videos have helped me tremendously for my diy HVAC and electric subpanel installs. Explaining things concisely and without the "I'm smart" attitude. Thanks brother!

[@braidysjburgos6504]

Great video. I have been looking for something clear and to the point to help me explain to my newbies what the pressures would be on a typical New York summer day.

[@posterboyrob]

What I like is that you clearly showed that ambient has an effect. When you toggled to line temp it was above 65°. These lines go underground or through very hot attics.

[@bighairynuts4u]

Will come in handy every year when i do my inspection of my unit

[@anthonypera2746]

Thank you for the video it does help now with this new high tech tools we need more young technicians like you great job

[@AMentorway4u]

You are a good man for sharing your knowledge and putting yourself out there for criticism from people who think they know what they don't!! Great job. Respect

[@kc2igr]

good job explaining.....how the systems works .....on point//!!

[@jameschristy9966]

Lol

[@jollyscaria1922]

Ssmllgue cotten not uding gas is ex..pls lecking

[@jollyscaria1922]

R410 a 120 to 130 ps discharged 430 450 psi

[@roscoebarnes1222]

I love these videos. Even tho I don't run residential anymore but it's these types of videos that give the homeowner a lil bit of courage to try and fix something they know nothing about. In turn they generally make the situation worse and that's more I would charge to fix the initial issue....plus what they jacked up

[@pipi7731]

Good video. Keep up the good work. We all enjoy learning more about the system. Thanks

[@sprsmoke]

Very good. I'm an old timer and needed to confirm 410 pressures. Going out to blow one up. Thanks.

[@jollyscaria1922]

R410 sanding psi225sushion psi120to130. Discharge 450to500..

[@56TheAnimal]

Super helpful, especially since he uses the new gauges.

[@octaviodelgado2281]

Thank you for your reply. please keep the good work and sharing videos.

[@brotech1253]

I like that refrigerant analyzer tool, i wish i could have someday someway.

[@tomnguyen7977]

$675 save you tons of time.

[@missionbug878]

Awesome videos!! Las Vegas ambient temperatures are crazy high 105-120 would like to see videos done in Las Vegas where heat is crazy

[@jcstudios5629]

Good job, nice info presentation. Keep it up!

[@sivmengchhour4529]

Great job guys. Keep it coming.

[@Graffenwehr]

Nice, neat and concise explanation - thanks!

[@genegonzalez4713]

The pressures for a 410A refrigerant depends alot on ambient conditions. A 40°F evaporator would give you 118 lbs on the suction side or low side. On the high side and a 95°F ambient temperature you'll generate 295 -300 psig or lbs on the discharge side, or high side

[@74DENIS]

great explanation young man

[@DelEast740]

Replaced a heat pump and evaporator coil in a 3 ton air handler with 3-ton equipment. Needless to say I had to switch to a piston ( high head lockout) ... Had the right txv for HP. I thought it was airflow. Had great pressures with the piston. 21 degree temp drop and my 12 degrees. Watch out for that. It is new to me and I had to eat an a coil on that job.

[@rondail5675]

Thanks Ben. Please do a video on a R410 Mini-Spit. Pressures... Temp's...

[@MrEdgar1596]

Thanks for sharing your knowledge. You video was very helpful

[@hectorviejo1]

God bless you keep going i see a brilliant future for you

[@godwinmpazi1560]

Great human being.God bless u Sir. May I please ask a question tho ..When the heat pump is heating inside..what side on the outdoor shall I take my air on and off the coil...I'm still an amateur in this game.Thank you very much.

[@fldave612]

Hi Ben, I have a 3.5 ton 14 SEER Goodman packaged heat pump on my house, I'm pretty sure I'm on borrowed time considering I had this unit put in back in the summer of 2009. I noticed lately that almost my entire compressor, the entire accumulator, and most of the fixed metering device is completely covered in condensation, I live in Florida and I assume a lot of this is due to the high humidity here, I also noticed that the insulation under the top cover of the unit fell apart. About a week ago I cleaned the condensing and evap cores on it, the fins on the condensing core are flaking off in a few spots due to the age of it, but nothing super excessive, the evap core is still solid. I had been noticing the compressor was much louder on start up and even when running was a bit louder than it had been, I replaced the dual run cap with an Amrad with the CPT terminal, the cap is a 45/5 mfd, I put a 5-2-1 hard start kit in it with the separate potential relay, the contacts on the contactor looked a bit burnt, it was still working, but I replaced it just to be safe. I did notice after replacing these items the compressor starts up faster and quieter and seems to be running quieter too. I noticed that after doing all of this that the air blowing off the condenser fan isn't as hot as it once was and there is less condensation draining out of the unit. It is still cooling my house and has cold air coming out of the vents. The cap and contactor I replaced were the factory originals with the unit, I tested the original cap out of curiosity and it is supposed to be a 45/5 but it was only giving me 29/3 mfd's. Could the compressor have sustained some damage from running with a weak cap all this time and is this amount of time and is this amount of condensation on it normal? Would the fact that the insulation on the top cover of the unit is gone have anything to do with this?

[@MyLeafy1]

nice gauges nice quick review. what brand wrist watch do you wear? thats what im looking for

[@henrydox142]

Thanks amigo easily explained

[@kensproles5816]

Morning Benjamin. Just enjoying your hvac videos again. 20 yr old rheem r22 system. It called out only liquid line pressure for charging. Not subcooling. Should I use the liquid line pressure to adjust charge? Or set subcooling to 8-12?

[@FilAmGabe]

Very good video, thanks Ben

[@wisdomwisdom817]

Awesome explanation, thank you

[@ilovenythismuchilovenewyor5801]

question my unit is having a issue. condenser/fan is cutting on and off .. air handler is running fat checked stat batteries theyre Good i jumpt y and c at stat and yet condenser/fan did same cut on and off. I turned off cool on stat went out to condenser pusht in contactor compressor sounded normal but the fan wasn't kicking on. the start cap doesn't have a wire going from fan to cap .. its a ecm motor.. what could be causing this is issue? gauges w unit off read 125/250 that's low/high side manual old school gauges was about 75⁰ out w humidity here in north east...

[@mouradlouni747]

Hi . I packed a small bottle of 410, the size of 800 g. Note that the manufacturer wrote in the outdoor unit, the air conditioner is 710 g. Only When the flask was completely filled, a white layer appeared on the intake pipe. But the scale indicates 70 psi. The air conditioner works normally except for an annoying loud sound when the compressor is running.. What is the solution respect the scale (710g) according to the manufacturer Or play until it reaches about (120psi) thanks

[@alonzogracian5615]

Good job guys appreciate it

[@MrGarcon98]

hey there a friend of mine just bought me a set of gauges analog in celsius but its ok for getting his unit going last week ,, i am retired at age 67,,, times has changed now with utube etc etc those fancy gauges you all have we had to do it all in our heads ,,,,but we did it ! i liked what you showed in trying to teach my friend so he would get a little of it,,,,AAAA+,,,love it , its all good ,,,,how much do those gauges by the way ? the set he got me for helping him he got on amazon in celsius is why they where like 39 bucks ,,,,just saying , better then nothing ,,,,

[@petermaz701]

Nice easy explanation. 👍🏻

[@jorgedelaossa9899]

The range of pressures for R -22 in the Low Saturation Side is also from 38 to 45 degrees or is it just for 410 A? Thank you for the video

[@georges2569]

Could you explain 410 A without digital gauges Charging procedures

[@user-up8bf3mk7f]

Hello ben. I love your videos. I have my home that it doesn’t go lower than 76 during the day Subcooling is at 11. I have a delta T of 14. I dont know what else to do. Please help me. Thank you

[@chrisatkins7959]

I never went to school. Was SH and SC taught back in the day? I learned coming up through the trade. 20 yrs ago it was rule of thumb. ( At least that was the way it was taught to me ) Once i learned SH and SC i became knowledgeable and proficient.

[@johnnygallardo76]

So what would be the correct reading on the gauges with a 410a Compressor model zp38k5e-tf5-130?

[@watcherbd45]

It’s so funny the young guys coming in the trade have to have the fancy and color coordinated hoses and a set of $600.00 gauges to work on basic a/c residential units. I am retired service guy that worked in all aspect of refrigeration from drinking coolers, super market and industrial refrigeration to house hold a/c’s. I have been retired now 6 years now and I still carry a PT card in my wallet and use basic gauges. Young people are a trip

[@wisdomwisdom817]

Awesome job thank you

[@wasimedoo7994]

Very good information bro keep it up God bless

[@robertmeyer4170]

Thank you for the video!

[@richardwhitley6148]

Ben I have a 4 ton 410a Goodman and have to add freon what leak sealant do you recommend for leaks if any

[@armandolopez5826]

Muy buena esplicacion mi amigo👍

[@scottmathis5467]

Best video I have see. Yet

[@SilverBackELTorro]

Sshhhh. You’re giving the secrets away bro. You’re going to make these DIY guys technicians. 😂😂😂

[@magdalenaroman8241]

we just had someone install a our new AC R-410A and is very loud inside the house but not outside, is this normal, I just can't stand the loud noise.

[@Jesus-bs5fl]

Nice video man.

[@mohammedaldujaili2890]

Great video!

[@Phillipscompletehomerepairs]

Good job Guys

[@wisdomwisdom817]

Sir , you are an icon of what an achievement is . The young should look at you and learn that mind is a terrible thing to waste. For all those who walk with their pants falling from their butt, I say watch this young man what he does with his life , and what you all doing to your lives . Thank you young man for being who you are , a model for humanity.

[@angelocedeno1906]

Very helpful love the vid

[@patrickmichael8749]

So, what is the maximum pressure that an evaporator should be capable of using r-410A?

[@infoentertainment6549]

What should be suction pressure of normal mini Split inverter R410a system at 110 Degrees Ambient temperature????

[@edlongar-tv]

Hi benjamin,what is the common trouble of the TXV or thermostatic expansion valve,,,anyway im edgar from the philippines also a ac technician

[@ruthdanielson919]

Isn't there a reference chart inside the cabinet or isn't there a reference chart that come with the refrigerant, so you can check pressures as they should be based on tonnage of the unit (3 ton unit I'm my case) and ambient temperature 98f the day my unit installed. As ambient temperatures increase so do the pressures, which my techs failed to do. They based their pressures on a normal day like yours, my accumulator sweating like crazy, and worry, pressures too low. Dealer won't check charts to make sure pressures are where they should be.

[@carlosbanegas7577]

thank you for this video

[@shaknbak85]

Your video doesn’t show up in my subscription feed. It’s only showing up in my notification section

[@joecox9958]

Thanks a lot Ben! My new Carrier set with TxV added by a "pro" but he doesn't use nitrigen and soldered at least three times due to leak, he roughly powered on to get cool and escape. I then measured SC is 5.6 not 10 and half a year later I see SC=0.5 and Low/High 117.5/307.5 (out 80F), I added a bit and see SC is 0.5-1 back to 0.6 and Lo/Hi become 120/298, what would be the problem?

[@anthonym6843]

You have to let the system run for like 3 minutes to let that refrigerant move through the whole system to get an accurate reading. Also 410A is a blend of refrigerants, if you had a leak, you need to recover the refrigerant and pull a vacuum to atleast 400 microns, and then recharge the system with virgin 410A.

[@oscarcontreras4315]

Good job 👏 👍

[@greatscott2007]

why does my r410a heat pump suction pressure read 400 psi even if its not running 77 degrees outside

[@deloct]

Thanks for sharing. At 85 outdoor temp what was the supply air temp at the registers.

[@BenjaminSahlstrom]

I believe it was about 55° F but to be honest I didn't take super detailed readings of everything on this one. My goal was to mainly show the VSAT and LSAT temperature pressure relationships. Thanks for asking!!

[@J-O-H-N]

Depends on the indoor air temperature and the static air pressure. Indoor air restrictions increase the delta

[@kenshofalco8326]

Great video, the only thing I would have discussed was what subcool readings should be.

[@anthonym6843]

Not every system is the same subcooling. You gotta read the data plate, itll tell you what the subcooling needs to be

[@Earth_to_Kensho...ComeInKensho]

@@anthonym6843 I realize that, and to be honest, I think it's kind of interesting that subcool readings can vary on any particular system dependent on its operating pressure/ambient conditions. He could have mentioned that as well. I like this young guy, he's a great ambassador for our industry. I was just raising the issue because I only lasted exactly 30 days in my previous job. I was assigned to work with the companies "top mechanic" all but two days and I was stunned to learn the guy was so "old school", he felt taking subcool readings were unnecessary despite the fact I told him these readings are carefully calculated, that they're actually predictable in a properly charged system. The guy was also unable to use a meter but that could have been more an issue he could not read ladder wiring diagrams. He would literally "TUG" on a pair of wires all the way back to the control panel. I was fired the day I challenged his lack of skills. He also used soap bubbles to leak test. He used soap bubbles to do his initial leak tests. Who does that??? He does!!! I never saw anything quite like it and when I confronted him and his inability to troubleshoot, I received a phone call from the office about an hour later asking me to report to the office at the end of the day which is when they fired me. All the owner said was he was surprised at my behavior and that I should have known better. In a way, I got fired because I stood up for defending the importance of taking subcool readings, so I still have a shot at making it into heaven. LOL!

[@anthonym6843]

Wow that is unreal dude. That company must have sucked. You were absolutely right. And the guy cant read a ladder diagram? Fuck that company

[@bettershooter]

where you make your service ? Are you also service as an electrician ?

[@learningpower9437]

Very good job!!! I have a question...can this unit be adjusted to a lower evaporation temperature ?? ...hence.... to remove as much humidity from the interior ? Thanks

[@toli0968]

No...has to be charged to target subcool because of txv usually 10 degree subcool depending on wb air temp. To increase humidity removal try lowering air speed and re-evaluate charge.

[@teslatesla8713]

Reminds me of me when I was a young buck

[@godwinmpazi1062]

Good man Ben

[@Roman-uv7ch]

Hi Can you please make a video how you charge R410A Refregerant on mini-splt systems Mitsubishi, DAIKIN or at least fujitsu I'm EPA CERTIFIED MANY THANKS

[@loganreichhart1323]

So superheat and subcooling I never heard the terms you used

[@josephbohme7917]

We REPLACED THE INSIDE Coil IN 2010, the 2ND FOR THIS BRYANT/carrier 5 ton. {410A} 2001 model was was made in Mexico rusted and leaked badly made like crap for old refrigerant bad welding smaller tubes. This second has been serviced 5 times and leaked also. Have spent over $1500 in bills for its 10 yrs. Now 2 mos ago was filled for $400, by my wife, by a P>O> S> AC contractor. It has already leaked out and the lines are frozen. The inside blower capacitor went out. Changed it and using only blower fan till we find leaks. I hate these sad excuses for quality. A replacemnt coil costs @ $1000 they had a 10 yr warranty.

[@notahetpig]

Ben, I installed the components form a 410A dehumidifier into a 1905, oak ice box. what's your best guess at what the high, and low pressures should be? It seems to be pretty happy at 90 psig on the low side, and 330 psig on the high side. I find that these pressures change dramatically depending on ambient temp. Thoughts?

[@robertlandry5733]

And they will. That's why it is almost impossible to charge by gauges. This is not R22.If the refrigerant is metered at the evaporator, use superheat. If it's metered at the condenser use subcooling.

[@toledoslife8196]

Hi! Amazing video! Thank you for creating this type of content. I recently installed a new Rheem 16 seer 3.5 ton system (RA1642AJ1NA + RH1T4821STANJA) at home and pressures are low side 140 /High side 305 at a 81F outside temp night here in florida. During the day with 92F outside it was at around 175 on the low side and about 300 to 310 on the high side. Does that mean Am I low in refrigerant? The system is cooling but I feel it takes too long to lower temp inside. Like 1:45 or more to go from 72 to 70. Any advice would be greatly appreciated, thanks in advance.

[@anthonym6843]

Rheems are a piece of shit, thats why. Throw that piece of shit off a cliff

[@abdulazizbursais931]

Thanks for your explanation it is profesional .what brand Dig monifiled gauge you are usig?

[@herlieebardolaza3917]

What kind of guage you use bro?

[@revealingfacts4all]

the temps on the manifold are from a PT chart correct? Don't you want to be looking at actual measured temp values of the liquid and vapor lines at the condenser and comparing them to the PT for R410A?

[@javiersalgadoproperties4853]

Hi having issues with a newly installed R410 A 3 1/2 ton unit keeps on freezing up no txv does it take 6 pounds of refrigerant like the name plate says and do you have a proper pressure chart that you can share ?

[@anthonym6843]

Is it freezing up in cooling or heating mode? If its in heating, it will freeze in low ambient temps. Make sure your defrost board is working, if it’s not going into defrost you got a bad board, or defrost sensor. If its freezing in cooling youre most likely low on refrigerant, which means you got a leak somewhere.

[@unnikrishnannair1750]

Dear can I get to know that from where this gauge get pl inform early

[@micv5713]

Testo or fieldpiece digital gauges

[@raulrobles2961]

I get lost on knowing what metering device the system has. I always run into systems that don't have easy access to view the coil. So i never know what im working with a piston or txv.

[@MrGarcon98]

hey our teacher told us years ago ,,,,get the darn house cool and get out LOL ,,,,,,,just saying ,,,that is whats important,, many techs have those fancy gauges and dont understand what their telling them anyhow ,,,,,peace / love friend dont sweat it too much ,,,,,

[@chriscortez9907]

Awesome video thanks! Would you consider a private course on basic hvac? If so I’d love to subscribe

[@artvonhagen2380]

Thanks

[@donnierobertson3088]

Nice

[@Howrider65]

I wish all A/C service people were like you and not try and sell a new system everytime we call them..

[@marioramirez6741]

Service your unit bi-annually and there's no need for guys like us.

[@jcstudios5629]

You can do most stuff your self, change filter, clean outside coils, etc. I know electrical so I'll do anything related to that, replace starter cap, contactor, etc. If you have a heat pump, remove the fan cover and rust proof it the best you can, and replace the caps on the valves if there plastic with brass ones that have rubber seals in them. Sometimes a slow leak in the valve will lose Freon and don't need to get bent over to have it fixed if you can seal it with the cap. Nylog works great to around the valves.

[@Howrider65]

I thought it was the cap but just the valve did not seat right took the cap off and there were bubbles .. Pop came out this time when I put Freon in it only 2 pounds and it is cold in the house.. Did a leak test with soap all around that area and nothing.. So far holding a charge I checked it after a week and still right on the mark.. So will see.. Everything is very clean no dirt blocking the fins. A 15 year old 3 ton Sears Kenmore Heat Pump unit.. I am sure another company made there systems for them..

[@jcstudios5629]

@@Howrider65 Heat pump accumulators rust and will leak. Mine is 14 yrs old and did start to leak.

[@Howrider65]

@@jcstudios5629 Mine looks ok do they only get Freon threw them when you put the system on heat??

[@PF_Health]

Hey Ben thanks for the explanation on ambient air temp, vsat, and lsat. I sprayed down my outdoor coils with water on a sunny hot day while the unit was running. Since these coils are high pressure, did I just do damage by spraying cold water on it while running? Thanks for any feedback.

[@jonnymac31]

No

[@INTERNA9]

Thanx

[@robertcherry4971]

I thought 10 degrees over ambient was a little low.What SEER was this particular condenser?How long had it been running,before looking at pressure/temperature performance indicators? Thank you.....

[@BenjaminSahlstrom]

Yes! I agree that it was acting like it was a tiny bit low. My subcooling was a little low as well at about 5° so we may add a little bit to this system. I believe it is a 14 SEER system. I only make adjustments if I'm very sure that it is necessary and hesitate to adjust the factory charge unless I'm matching a larger coil and or longer lineset. What do you usually expect for your LSAT above ambient?

[@robertcherry4971]

Benjamin Sahlstrom For 14 Seer 20

[@BenjaminSahlstrom]

@@robertcherry4971 Awesome. Thanks for sharing your expertise!

[@abdolkarimmehrparvar6583]

Sir I've got a question, what would happen if i plug the red gauge to low oressure line? Do numbers ob both gauges have ant relationship which other or do they equivalent to eachother?

[@marioramirez6741]

Why would you want to do that?

[@jcstudios5629]

@@marioramirez6741 Because he's an ?

[@samuelvalenzuela4541]

Abdolkarim no problem, it's allright to Hook up the high side gauge hose to the suction port, but it's wrong yo plug the low side gauge hose to the liquid line

[@abdolkarimmehrparvar6583]

@@marioramirez6741 I did that mistakenly

[@abdolkarimmehrparvar6583]

@@samuelvalenzuela4541 thank you man

[@jerryramhit7631]

Do you have to add oil to the 410a system or is it included in the refrigerant.

[@anthonym6843]

Its in the refrigerant

[@elicose771]

Thanks!!! ❤❤❤

[@BenjaminSahlstrom]

You're welcome 😊

[@BibleExposition2022]

Is it correct that you can vacuum the 410A out of the new unit & put R22 in to use the condenser? I have a handyman who has done that for a few years on numerous units & it all work fine. Thx

[@stevee7774]

😂🤣

[@swamparcher14]

Lol...NO

[@MrGarcon98]

also in class years ago we where all told that HVAC is not 100% correct science ,,,,anything within 3 degrees is acceptable in this trade ,,,,,this comes from a teacher at the time who had 35 years in this trade in today's time add another 25 years ,,,,,thanks guys be safe

[@tonynguyen6158]

Can you service in San Jose area

[@bluesdirt6555]

Just had an American Standard 80% eff. System installed and they reused th old line set but didn’t put a vacuum on the system ? Talking with their boss he says they never do because it doesn’t matter with R410 ?

[@stevee7774]

Sounds like the boss was blowing some smoke up your butt just to cover some half ass installation techniques. A proper evacuation of the line set/indoor coil is important for any refrigeration system for removal of non - condensables.

[@filibertomarmolejo1482]

What pressure should have if unit has full charge of 410A whit unit off??

[@anthonym6843]

Dependnds on the ambient temperature outside

[@baymoe1]

Can you please help. My system uses r410a, can a bottle of AC On the Go refill (r290) be used to top up this system? I cannot seem to find r410a at places like Princess Auto.

[@adammcalpine231]

Absolutely not. Don't ever mix refrigerant types. Who knows how compatible it may be with your application. The operating pressures may not agree or the oils may not be compatible with the different refrigerant. It's just generally a bad idea.

[@adammcalpine231]

R410a can be found on eBay

[@baymoe1]

@@adammcalpine231 They unfortunately do not sell it here in Canada. Those that do seem to be offloading their contracting equipment of 25lb bottles for $$$.

[@NuttyProfessor-]

Yes do it

[@vaunciamckie8152]

Hi I stay in an apartment complex. I had my dad put black bags to the window to help keep my living room cooler. He notice the heat in my apartment when he came but mention it again as he was working. When he finished with the first window he put his hand up to the vent. He didn't say anything but when he finished other window he walked though out my apartment feeling the air out the vents. He said that the air was real cold but it just isn't reaching the rooms. I would translate that by say saying the air seems to disappear once it leaves the vent. Because of this my apartment will not get any cooler then 85. And I say in Georgia. Even at night my apartment temperature is still 80. Can you tell me why the air is not coming though out the rooms and how to fix that problem.

[@yonkromis7883]

Most likely if it's an old apartment building your coils are really clogged up as they probably don't ever clean them properly.first check the filter make sure it is good and clean and that is not using one of those high efficiency filters it might slow down the air flow too much. you could put a fan in front of the air intake a box fan for a rigged up fix. Talk to the maintenance people about cleaning the coils inside

[@micv5713]

Hi u may have it fixed by now but I'll put this out there. Check for dirty coils, or it could be an airflow problem with the duct or flex, or potentially not the right tonnage for ur place. Just some extra potential problems

[@andygalindo8978]

Check your blower motor.

[@anthonym6843]

These other comments are not wrong. Either air restriction, or change the blower motor speed up…or both. Their ducts might be fucked too. Rodents could have eaten holes in the ducts.

[@michaelcostello6991]

Nice video where you discuss the basics. Can you do a similiar video where you discuss what the pressures of a system should be before you get concerned. I mean what sort of pressure ranges are ok. Cover TXV and fixed orifice. This would be very useful for newbies.

[@jidsigler]

Yes I have no idea how to differentiate between txv and pistons which becomes a non-starter

[@journeysautomotivetruckrep551]

Cool!