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HVAC James
United States
เข้าร่วมเมื่อ 24 เม.ย. 2020
HVAC Service Tech training videos for Students and Journeyman
วีดีโอ
Reversing Valves
มุมมอง 8267 หลายเดือนก่อน
Understanding Operation and Troubleshooting of Heat Pump Reversing Valves
Thank You
มุมมอง 1607 หลายเดือนก่อน
Thank you for the 1000 subscribers. Here's a fun video tour of my lab as appreciation. Please let me know if you have any content ideas you would like me to add.
Spokane Mechanics I Gas Piping
มุมมอง 843ปีที่แล้ว
My efficient gas piping method for the test using the required branch length method.
No Manifold Recovery, Evacuation and Charging
มุมมอง 5462 ปีที่แล้ว
I wanted to show how to do the Recovery/Recharge process using core remover tools and no gauge manifold. Not my best video but it covers the entire process. Thanks.
Recovery, Evacuation and Recharging (3 of 3)
มุมมอง 21K3 ปีที่แล้ว
Recovery, Evacuation and Recharging (3 of 3)
Recovery, Evacuation and Recharging (1 of 3)
มุมมอง 52K4 ปีที่แล้ว
Part 1: Recovering refrigerant for service of an AC.
Manual Pump Down of an Air Conditioner
มุมมอง 6K4 ปีที่แล้ว
How to pump the refrigerant into the condensing unit for service purposes.
Rate The Spark
มุมมอง 2964 ปีที่แล้ว
For students and Techs. This video covers how to narrow down a short in the control voltage circuit in order to avoid having to trace out every wire one by one.
Awesome stuff!!! You are an excellent teacher. What year code book are you using? I have a 2021 IFGC. And some things in your book are slightly different than mine.
I got my finally exam tomorrow and this by far has been the most helpful video ever ive found. I salute you sir 🫡
God bless you brother this was phenomenal!!!! Extremely helpful.
Good job buddy 👏 👍 really helpful video
Thanks! 👍
I was always taught the more connections you add between you and your condenser the more possible leak points you have
@DClough that is very true, but this particular video wasn't made for that it was made to help the students that were just learning with that particular set of gauges that they had at the time. If you want a better way to do it, you need to watch my video on doing it with no manifold.
Salute!
If anyone is looking for a good training center this is the place. James is a patient instructor. Highly recommend
Thank you
Study time for me. Thanks for the video
Thank you for a well done and comprehensive video. I watched a bunch of them and they all mention that most manufactures fail into 'heat mode' but you are the only one that makes the distinction that mini-splits fail into 'cool mode' and that was an important bit of information for me. Thanks for a nice video.
Very helpful, I look forward to trying this out. Thank you
❤❤❤❤❤
I know that we don't want air into the refrigerant but why not vac instead of purging so that zero refrigerant goes to atmosphere?
@@rogerbrown5563 not sure what you mean by this. The vac pump puts EVERYTHING into the atmosphere. But hopefully the recovery got all the refer out first.
Thank you
I thought the maachine put it into vapor
@@Catchmeifyoucan209Stockton nope. the machine is basically just a condensing unit It pulls it out as vapor condenses it into liquid and then puts it into the can.
Awesome. Thank you.
Can you Explain why 5lbs was needed when the factory charge said 60OZ = 3.75lbs. I'm assuming the line set distance?
Great job
Very good SR
This is an awesome video. Thank you for sharing
Very good video
Cool man, I Graduated from NWHVAC/R in 2015, I think you were the guy who replaced my Instructor cuz he retired.
Thanks for you class
2 thumbs up! Awesome stuck needle scenario. That was cool!
Good job but my question in the factory test labels pressure PSIG was Low 240 and high 450 with 60oz of the R410a, that's 60 oz = 3.75 lb. why of the difference in PSIG. Why not charge the system fully, then put the valve cores back in with the tool.
I get that question a lot and it's because I had a micron gauge on the system without a way to valve it off so you don't want to put too much pressure on those so I just bring it up high enough so it's not in the vacuum and then get my micron gauge off of there and then finish. But ideally if you had another core tool on the side to act as a valve then you can just valve off your micron gauge and dump the whole charge in at once.
Thank you James.
Congratulations to you for this wonderful achievement and the beautiful explanation. I have a request for you. I want a practical video on how to convert a split system from a 22 system to a 410 gas system.
You cannot change out r-22 to r-410a
Yes you can. But you have to change the equipment too you can't put 410A in r22 equipment.
@@hvacjames509 Thank you brother, I wish you success
Life long carpenter playing hvac at home.I have a provax recovery machine.4 line 2 guage manual guage.I have followed along best as I could as my machine is different then yours..I have no idea how to read the gages on the manifold really or what the gages on the machine mean.I do the purge as my manual explained.I do not get any liquid spray when opening tank a bit yo see just air comes out.My tank is 14 lbs.I set my knobs for recovery mode flip the compressor switch..It starts and runs for maybe 1 or 2 minutes then compressor shuts off but machine is still on cooling fans running but the compressor should run longer correct? Tank weight went to 14.5 lbs
No it's an automatic safety feature you need to purge the line at the tank and then once you're sure there's liquid coming out you can open up the valve on the tank and then the machine will start back up for you.
Thank you for teaching this. My second month into HVAC trade school. This is our next unit.
I'm charging my AC system the same exact way but my charge is going really slow it took me about 40 minutes to get 1 lb in
Are you sure you're charging as liquid?
@@hvacjames509 so I recovered the remaining refrigerant in my system due to a leak I recovered about 4lb 6 oz. I have the yellow hose connected to the red side(liquid side) and I'm letting in through the suction side.
@@hvacjames509 so I recovered about 4lbs of refrigerant from my system due to a leak so now I'm putting everything back in I connected the yellow house to the red outlet of the recovery tank and I'm throttling it in through the suction side but it took like an hour to get one 1lb in I used nitrogen to see if I had any other leak but my pressure held for 20 mins
So I had to recover all the refrigerant from the system due to a leak so now I'm putting all the refrigerant I recovered back into the system which is around 4lbs that I recovered I have the yellow hose connected to the red outlet of the recovery tank and I'm letting it in through the suction line it took about 40 minutes go get 1.2lbs in
Some tanks have vapor on the red. You can't go by color. Also, you need to dump as much in as you can into BOTH SIDES while it's in a vacuum. Then you can flash in the rest into the low side while the system is running. If the system is off you'll have a hard time getting liquid or vapor into either side after a certain point. Especially from a recovery tank as, you'll never get as much out of a tank as you put in.
9:38 - Oh, yeah. I meant to do that.
I know it seems like a great happy accident. But I actually know that unit really well, and I've seen that frost before. So when I saw it develop this last time, I went ahead and decided to leave it and record it.
For anyone who wants to become an HVAC tech, go to Northwest HVAC/R Association school if you can. The shop is looking great James, I'm glad you saved one miserable old oil burner!
Nice variety of equipment
Thank you brother very well explained we appreciate this great knowledge
Thanks and I appreciate you. I'm actually filming a couple more videos today that I should be able to get posted in the next week or so, stay tuned.
Thanks brother! I am in the automotive field, yet found this video to be incredibly helpful! So much helpful information. And most of the HVAC can be directly applied to automotive if you know what you are looking at. Thank you for taking the time to describe how to properly perform these functions. I watched all 3! Great job man! Liked and subbed!🤟
Hell yes. Man. Thank you.
Great video, I had to subscribe and and loved that you explained why you're doing what you're doing so the new guys can get the full understanding on the process. Would you nitrogen test before vacuuming the system for charging?
Only if you suspect a leak or you just installed it. And thanks for the sub.
Excellent video. Best one on TH-cam I’ve found
Thank you. I'd love a sub.
when u started charging i thought u put the tank upside down when u start? that how it's taught in my class.
If it's a virgin tank, then yes. But recovery tanks have a dip tube, so you can get liquid out without turning it upside down.
How do I take you class
5097478810 or inwhvac.org
This was so helpfull gonna annoy you tomorrow about this
On the spillage of natural draft...if the flame gets sucked into the draft hood, it's good or bad, I thought spillage would be pushed out not sucked in, so warm air rising up the vent...great video thank you
Yes, out is bad. In is good.
When you recover what are you recovering, liquid or vapor?
Recovery machines typically have standard compressors in them. So they're incapable of pumping liquid so recovery is always coming out of the system as vapor but then it condenses in the recovery machine and puts it into the recovery tank as liquid.
@@hvacjames509 so would you just open the manifold gauge on the low side. If you open both wouldn’t that be both vapor and liquid? Thanks.
@Sc19869 Only if it's running. If it's off, pressure will equalize and it'll be all vapor.
RHEEM I HAVE I DON'T SEE WHERE THE COMMAND WIRE GOES TO THE OUTSIDE BOARD. MY COMMON WIRE GOING TO THE CONTACT
I'm not sure what you mean? Y=cool R=24v power D=aux heat C= 24v common B=reversing valve
In the stat/air handler = D-Aux, R-R Y-Y C-C B-O/B and your stat needs programmed for B instead of O.
HOW TO WIRE THE HEAT PUMP ON A RHEEM TO THE THERMOSTAT.
Heat pumps make me bored. Make a video on your mother’s board!😮
I'll give you her number if you want.
Wrong
You're right. It's probably more like 70% don't understand them. Not 80%. I guess I was exaggerating a bit. :)
Quality
Thank you James
Actually thats not correct
Elaborate. It's an hour long.
@@hvacjames509 Aren't you supposed to use the bottom chart (common vent capacity) for each of the common vents between the NAT appliances in your 4 appliance example? I think that if you do, you would have been able to keep the final vent to be 8 inches. 33:54
@@jeramytarwater8382Because the common vent you're speaking of is actually called a common vent connector, I was taught and the way our test is structured is that we only use the bottom for that last vertical part and that we treat the horizontal parts as just a single appliance from the top of the chart.
Great vid 🎉🎉
Nice job fellow Instructor. I bow to your vast knowledge of gas codes. Hopefully the students watch this!!