How To Use AC Gauges
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- Опубликовано: 25 июл 2020
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How do you use an air conditioner charging manifold? How do I connect gauges to my AC condenser unit? How to take hoses off of air conditioner. How does an AC gauge manifold work?
Those are a few of the questions that I will answer in this detailed video explaining all of the basics that you need to know about standard ac pressure gauges.
This is one of the essential things that you need to know in order to understand what is going on with your air conditioner, heat pump, or mini split unit.
I also show how a dirty air filter can affect the low side pressure of a system & why it is so important to have a new filter installed on a regular basis.
Thanks for watching and subscribing! As an Amazon affiliate I earn from qualifying purchases. Thank you for your support! If you would like to support the channel directly you can send a tip to www.paypal.me/bensahlstrom.
Blessings from Minnesota,
Ben
About time I find someone who can explain how to use gauges so understand what they are talking about. Thanks!!!
Done refrigeration of 47 years. Excellent presentation. Suggestion if you find yourself in this situation. Hold the hose firmly against the valve and totally loosen the hose fitting. Then quickly pull the hose off the fitting. You will still get the blow off but you will have better control of where it sprays. If you have low loss fittings, I like to remove the high side first, then open both valves and return the refrigerant that is held in your gauge manifold back into the a/c system, then remove the low side hose.
Word close high move it into low close low
Very very nice explanation. Thanks , and keep posting , you should be a teacher.
Thanks sir I love your teaching and I will love to be with you all the time thanks keep on
Thank you!! Awesome info
Varsity move. Wax on, wax off ;)
Great video Ben, Being 78 YO I probably will not be going out and buying a set of gauges. I will be selling my home and moving in about a year so now I am in the process of giving most of my larger tools away to family. I have decided to rent and let someone else do all the work and enjoy my final few years without having to fix everything around the house. All the same, I really enjoy your videos. One is never to old to stop learning new things.
Thanks Norm! I really appreciate your comment. Sounds like you are a great guy that wants to bless your family. I look forward to continuing to learn along with you in future videos!
yer awesome Norm
Norm!!!!! Uncle Norm....where ya been?
@@BenjaminSahlstrom l
I shall tune up . True indeed information we really learmed
I know your video is three years old but out of all the videos I watched yours was the best and more helpful than any video here on RUclips. Thank you so much you have a new subscriber you rock.👍
Smart young man. You have the heart of a teacher, very easy to understand and follow. Thank you for sharing.
I'm honestly not sure why I watched this, I'll never do this, but you just have a way of making things like this really interesting. Thanks for taking the time to make these videos.
Hey, now you have the base knowledge so that you can at least have an idea of what the process looks like! Thanks for watching!
Hi Ben watch your video is Pretty good and interesting
Watch this several times and take notes. If you have someone come service your unit you could look at the gauges and at least know WHAT your looking at and also have an idea if you are being scammed. By knowing what to look for even if you don't do the work is power and protection.
your ability to present clearly , concisely and accurately, is truly amazing. I am just starting AC service (I am retired 50 years this year from the general construction business, an old timer ) and have an interest in this side of the business. Thank you for making me know I can do this ... I'm starting with checking my own system today to practice.
Sorry to go off topic, but I'm also Rocky D. LOL I thought I had already watched and forgot!
Are you licensed?
It’s been a year now Rocky D how is your business doing 😊
@@TheRockhavok0pwa😅😊pleedpeadsp9 lol 22
I want a refrigerator job
As a person with learning disability the way you explain stuff is very clear and understandable. Your awesome Ben!
I just found your channel through your recent collaboration with Jay on the types of compressors. Glad I found your channel, I am halfway through an HVAC program and I love the in-depth and informative video's you guys do. Keep up the great work!
You have a gift for explaining such a complex subject in a manner so easy to understand. Your talent belongs in a educational Institution to teach our younger aspiring technicians all there is to know about what you know! I watched the full video and got educated on HVACs, thank you for sharing! I subscribed and rang the bell for more content, great work!
Excellent communication skills on this subject, not too many people have both HVAC skills and teaching skills. Keep the video's coming.
Benjamin - this is probably one of the best video explanations I have ever watched on RUclips. Thank you!
I have done air conditioning since 2001 and seen it all I think you’re extremely talented keep up the good work
Thanks Ben....easy to follow and understand. You’re a good teacher. I’m just trying to be more knowledgeable about Refridgerant’s and AC dynamics. I hope to install my own mini split soon.
Probably the best video out there I’ve found on using gauges. Great job Ben
I do understand that there is a lot more to come, but this is the first "educational" video that I have watched that covered the basic basics in a straightforward easy to understand video.
I took classes for HVAC for parts of 4 years from a rip off trade school in Leesburg Va . -- Monroe Vo Tech
They kept dragging the class work out for more money
But I ve learned more in the 26 & 1/2 minute video than I learned in all the time I spent in the classes
Not one person in all the classes made it into the HVAC field & I trusted them till I couldnt any longer
Thanks you for showing me the right way to do this
That's awful. 4 years?! I took an accelerated class, full time for 6 months. It cost $12k. It was a rip-off also, but at the very least, they prepared us to work in the residential field.
Can you and the others sue the school?
I watched this video again for a tuneup on my AC gauge knowledge. Still THE best video on AC gauges I have ever seen. Just an update on the mini split 36k in my 30x40 R-4 insulated metal building. I did add rubber seals and brush seals to my roll up doors to help reduce conditioned air from escaping. The mini split has exceeded my expectations on controlling the temperature in my shop. It cools and heats where I am comfortable in all weather temperatures here in Texas. There is maintenance of cleaning the inside filter especially when wood working and I do clean the dust from the fins one the outside. I turn off the unit when mowing. When not heating or cooling I keep it on dry setting. My table saw jointer and planner do not rust because the system pulls the moisture out of the shop. Lots of humidity in Texas. Be blessed!!!
Excellent detailed video.You make it easy to comprehend the pressure readings on the manifold gauges and how they relate to temperature readings.
man this video was GREAT!! I needed this. this will be my first summer doing a/c tune ups. I can say I feel a lot more comfortable with gauges now! thanks man!!
Just watched this as a refresher course for my old brain that's pushing 70 and 25 years out of the business. Great "old school" presentation without clouding the issues by adding spurious details. Yes, the other things are important, but more to do fine tuning and troubleshooting. The basics will get you going 98% of the time. Now I just need to dust off my Robinair gauges from 1973. Yes, still solid after almost 50 years, although the hoses are getting a bit stiff. Edit: I did the job and found a minor leak at the service valves. (not fully back-seated) Topped up the system and gained several degrees of cooling, measuring at the low side line. New air filter and got 17 - 18 degrees TD across the inside coil. Can't ask for much better!
I'm catching up to you. I'm a grey beard who's been writing software for the past 40yrs. Lot's of electrical, plumbing, automotive, etc. as well. More of a learn by doing and/or reading person, so when I find someone like Ben, it's great.
@@stringlarson1247 ... update.... we're into July 2023 and the system is holding up with no bubbles in the sight glass. Guess it's fixed for as long as an R-22 unit will hang in there. Hopefully it keeps chugging along till I downsize, and the next owner can make whatever changes they want at that point!
@rupe53 been too cool so far in No. IL.
That'll change. It's been really nice, but we'll pay for it at some point.
@@stringlarson1247 ... I said the same thing and jinxed myself. We normally turn the system on by Memorial day (intermittently) and this year we had VERY comfy weather till near July 1st. This week was in the mid 90s with humidity in the mid 80% range. I'm in lower Ct. near the coast so humidity runs high, but not close enough to the coast to get a breeze.
Congrats on hitting that 100k... im a 8 month apprentice and this channel and ur advice has helped me tremendously. Thanks
Did you go into the trade with 0 experience? I know by now you know stuff but I’m just wondering if any knowledge is really required
Thank you so much sir. This video really helped me. I am in building Maintenance. Been doing it about 4 yrs now. Most of my time in Condos. So never had to deal with A/C issues. No i do at my new property. Today was my first time connecting Gauges. I did everything the way you demonstrated. Came out perfect. No waste. Thanks.
VERY HELPFUL, please make more, plus i am a new subscriber. I am a amateur trying to learn a little about the trade, so the simpler the better. Thanks
I watched your video again and it is still the best RUclips I’ve ever seen! I just installed a 36k mini split DIY, in my 20’x30’ metal building. It is working fantastically, but living In Texas, THE TRUE TEST will be Summer months with high temps and high humidity.
Wow I’m so impressed, how easy you made me understand the basics of reading the gauges!!!
Previous to this video I watched another one on how to read A/C gauges. It was a good video it had a lot of information but it never really went into detail about the inside readings. Your video helped me a lot to understand what all the numbers inside the gauge mean, I had no idea it was that easy to read. Thank you
Great tutorial, thanks! Not many people make videos like this. Its even better when its a high quality video. Not some shaky mess.
Thanks! Tripods are a hassle but definitely improve to quality!
Thanks for explaining the relationship between the pressure and temperature on the gauges and the temp. reading relating to low side and high side! Now I understand what causes “Freezing Up”. Wow the light bulb turned on for me! Thanks again.
Starting my Career off as a Hvac Tech your videos are amazing and helpful 🙏🏽 clear and very detailed you have helped me a ton with the use of your videos, keep it up 🙏🏽🙏🏽
Benjamin I like how you explain in detail on how to use gauges. I needed to know how to connect the hoses and if you open the valves on the gauges while just solely checking refrigerant. "make sure valves are closed are will leak out" & how you explain to wear gloves etc. Great content! Awesome video! very well explained! I subscribed and watch the entire video because you explained every thin in detail!. A lot of youtubers have the gauges hooked up already assuming we know how to do it (BIG MISTAKE) lost my interest in their videos!
I'm just running across your videos. Thanks for the value you provide. Your teaching & instruction is super simple to understand. Again, thanks.
Thank you for explaining the bleeding/flushing of the lines for charging refrigerant! Some other videos explain how to flush the yellow line, but it never made sense to me that they ignored the air inside the low/blue and high/red lines. The fact that the refrigerant pressure is above ambient and thus the air won't enter the refrigerant loop makes sense, but I come from a cryogenics background where air and helium (refrigerant) mix quickly and readily and such a practice will likely kill the system in short order.
great presentation. You explained better the regular professor, clear and concise.
Your explanation about manifold use is absolutely clear and vivid. THANKS a lot.
Great Job most people would get it! Common Sense and Logic always pays off in teaching newbie!
This is so brilliant, thank you so much! I would love to see the same in depth explanation for 12v DC fridges for boats or campers..
Keep up the gr8 work
Gotta give it to ya mate, from the great 'Land Down Under,' that's a really good RUclips video presentation; the best I've ever seen in fact! No wasted time, didn't even explain you were removing that piece of bark that had been annoying me, and your camera work was steady! You speak well, intelligent about your stuff, safety conscious without being ridiculous and keep on topic ! Great work mate - definitely hitting the buttons for you! Thank you very much!
Ben
I’d like to say that I have learned a lot with your videos and you seem to be a charismatic super professional guy that can teach anybody
I wish I could be your apprentice in electricity
God Bless you Ben
I enjoyed this video and I did subscribe. These days schools only give you the basics and doesn't go into much details and examples. Thank you
Hey Ben, I understand your teaching well. Thanks!!
I would like to see more HVAC vids, especially something troubleshooting style like you've done with electrical.
I’m about to start a program of ac and heating and you are being way to helpful, I’m trying to understand and start learning stuff when I get to the program, you are really good are what are you doing 🙏🏻
Man you are a clever guy......I thought you only do electrical works, but you you are also a refrigeration expert.
Love how you simplify the process.
Detailed, and informative. Great job.
Your videos are always the best and easiest to understand , hope you've considered becoming a teacher! You Rock!
This was the best presented, understandable, and most concise video i have had the pleasure of viewing. Thank you Ben!
The video is a bit long. But I think every second was worth it. He is very detailed and helpful
Thanks!
Thanks very much Sir, I’m really glad you helped me understand the gauge readings.
Been mostly doing comerical ac,z lot of chill water for 35yrs,retired and doing more with freon units package, split units,a nice refresher vidio,i enjoyed it,thanks
Thank you Benjamin for a intro for gauge info and using it.
I’m only subbing b/c you annunciate your words perfectly. Tem-PERA-ture 😂
Great Video, loved the details, you covered so many things in a very simple and easy way, thanks alot
Still leading the new era 💎💎💎💎
Thank you for explaining the use of the gauges. As a young boy I often watched my father using them on refrigeration & could never understand ! As I was too young to understand at the tie. My father has since passed away, so I was still unsure asIve aged!
Thank you bro for full explanation right from the beginning
Benjamin this is a great video. I really enjoyed how you simply explained every thing .
Wonderfull presentation, I'm planning on installing a few minisplit heat pumps, and thank you for the clear information.
Excellent tutorial. I always wondered how to operate and read these gauges.
Glad you liked it!
New viewer and subscriber here.You explained the pressure gauge instructions quite clearly however you touched on the compressor very briefly in the beginning but never followed up whether determining if a compressor is or isn’t functioning or if the capacitor would be the issue.Thanks
Thanks for "A/C manifold guage and it's hose basic". I've added refrigerant in my car. I couldn't have done without the video.
Congratulations on 100,000 subscribers!!
You earned my subscription. Your presentation was the best yet in every way. Thanks!
excellent Explanation even for an old timer w/ over 27 yrs experience Hvac Installer Service Tech Thanks
I just paid $275 for 2 lbs of R22 and what you just showed me. I could have bought two AC gauges. Thank you.
Great job explaining and camera work! Also the safety tips. Very important .
Thanks so much
By Far the BEST channel in this topic . THANKS
Tbh I learned this video more than what I learned may 12 month course
First time on your Station. Nice presentation getting ready to buy a mini split and think you are the best teacher.
Thanks for the time you take making videos like this. Watched the whole thing including commercials, liked & subed 👍
Very eloquently explained. Thank you.
You have been a fountain of good information. I subscribed at some point, not sure when. I do auto air conditioning and have a couple sets of Chinese gauges. At your urging I now have a set of yellow jackets on the way.
I ve learned more on this channel then others I ve watched, awesome territorial.
Clearly explained and visually clearly filmed. Thanks. Just subscribed.
You are a good teacher buddy
Hi Ben, Thanks a lot for a great video on pressures and temp... glad I found your channel.
Hi I just watched your video and got a proper basic explaination, thank you. Uche from Nigeria
Thanks man, I am starting my journey as of today 12/1/21... I will study content on RUclips for this entire month. Added the 5 valve Yellow Jacket to my Amazon cart today. Will try for the EPA and NATE cert in Feb 2022. -TCurry ATL
Would love more of this content, great job! I'm already subscribed though and bell is on.
Thank you very much. Am student from France and this video helps me a lot.
your videos are awesome and good memory refreshers Thanks, Ben
Now I understand a lot better what the technicians did when they regassed my fridge today. Thanks
im currently going to school for this and this makes alot of sense ! subbed
Super good tutorial. Thx. BTW, can you cover more on adding and subtracting refrigerant. Thank you.
Excellent communication skills -from Unsullied food family
Fr Indonesia, . thank you Benjamin for info how to use Charging Manifold Gauge. Great job
Great Job. Very informative and clear presentation. Thanks Ben!!! Nice work.
Thanks for helping people to understand how to work gages
My God I learned so much in just one video. Great job.
Great video. Today I ordered a set of Yellow Jacket gauges with ball Valves. Model 49968 Titan.
Best detail information i looked at so far
Wonder video, I'm a business owner and I understood it well 🎉
Ty Ben , looks like the palace is coming along fine👍
Great video! More ac videos please!
Close the high side valve on the system then open both valves on the gauges (while the yellow line is sealed). This will drop the pressure in all 3 hoses. Then close all valves including the low line of the system. Now you can take remove the gauges with less spray.
If I wasn't already subscribed , I'd subscribe ... Great vid Benji ...
you're a great teacher.. I've learnt a lot from your videos.. Thank you so much
Great job on the description and use of the AC gauges!!!
Ok, great video as always. I need a new HVAC guy, and you need to be that guy. The commute will kinda suck because I'm outside Chicago, but you seem to be the only guy that would be honest and not try to screw people. The unions here are brutal and everyone wants to up sell you on stuff. Not sure what you charge up there but it usually costs an arm & leg to have someone walk in the door here. Keep up the good work!
Hey I'm only about 2 hours from Chicago right now!
I find Hiring Union companies means hiring honest and qualified technicians