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Nitrogen Pressure Test Basics. Find Refrigerant Leaks EASILY. Example System With Leak Found 

Surf Bros HVAC
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We go over the basics of how to find a refrigerant leak using nitrogen. We tried to make the video as concise as possible, and explain clearly how we go about finding the leak in the system. There are other methods available for finding leaks as well but nitrogen pressure testing tends to be one of the most reliable methods available. We also go into the pros and cons of nitrogen pressure testing, and when to implement this method versus other methods. I do not believe that this is the perfect fit for every single scenario but when doing leak detection on HVAC systems seems to be one of the more effective methods consistently.
00:00 Nitrogen Pressure Test on System
08:47 Recap and more info
#hvac #hvaccontractor #airconditioning #heatpump #hvacservice #hvacsystems #sandiego #hvaclife

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14 авг 2024

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Комментарии : 20   
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
I tried to be more clear in this video than I have been in other videos. Let me know if the delivery of this was better than past videos. I think I covered most of the basics as far as finding a leak on these systems but if I missed something feel free to chime in
@marccrane4830
@marccrane4830 2 месяца назад
You can use a tube that's small enogh to get near your ear and the other end attached to a metal coat hanger and you can hear any leak even if you can not fell it.
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
I like this one I’m gonna try it
@Straycurrent
@Straycurrent 2 месяца назад
Great idea Haven't tried that one before.
@richlikeg3722
@richlikeg3722 2 месяца назад
I use the leak seal with dye, problem is I came back and I could not find any dye and my heated diode leak detector could not find anything. I had to pump the unit back two lbs and told customer I’ll see them next year. I could had spend more time in the 125 degree attic but I can only do so much😅
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
The leak seal + dye combo stuff I'm not in love with on the dye aspect. I have put the stuff in and been back on systems two years later that are not low so I do think the leak sealant part of the product has some effectiveness to it. A company I worked for had us stock a separate dye that worked really really well. Problem is that it stains everything it touches, but that's why it's so effective, it doesn't just go away like the stuff mixed in with the sealant. I got it on my hands and my hands would be neon yellow for weeks. Pants were ruined. Stained some concrete at a customer's home. Great for finding leaks but horrible to deal with tbh. It was this stuff: www.zoro.com/tracerline-universal-dye-cartridges-tp9870-p6/i/G7995252/?campaignid=19979164297&productid=G7995252&v=&gad_source=1&gclid=CjwKCAjwjeuyBhBuEiwAJ3vuobQfLeY5Z5OKs7jnzY7qkFYtlsFTums32E6pNGfMxwOvt-mbsvAUThoCDW4QAvD_BwE&gclsrc=aw.ds
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
Actually I don't know if that is the same brand. This is the kit we stocked: spectroline.com/product/ez-ject-hvac-leak-detection-kit/
@theprofessor5584
@theprofessor5584 2 месяца назад
Good practice to just replace schraeders anyway takes 5 mins if you are already nitrogen testing you need to pull vacuum anyway, also I look at evap coil pressure tests, I go near the maximum amount per manufacturer, you will hear the hissing
@krishuntzeroable
@krishuntzeroable 2 месяца назад
Found one today on a 20T unit using my D58 pretty quickly.
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
I have the 82 and love it but I think I need to send it in to Fieldpiece cause it stopped reading right recently
@deancobasky
@deancobasky 2 месяца назад
very common spot prob was a rubber! 410 a system you can really jack the preasure on those not with that regulator love that regulator but not for leaks great video red get you a H10 best in the biz leak detector leaks will fear you!
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
I recently saw the H10 in a video by someone else and any day I’m going to find an excuse to spend the money on one. I hadn’t even heard of it till a month ago
@utubepro7742
@utubepro7742 2 месяца назад
DID YOU BLOW BUBBLES WHEN YOU WERE A KID? 😀
@garza7676
@garza7676 2 месяца назад
I started just pressuring the system to 50 lbs at first . I used to ramp it up to 250 and that just killed my nitrogen tanks . Very annoying when a tank runs out and you need run to the supply house for refills .
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
I started carrying two tanks
@dmiestercommkitchentech3043
@dmiestercommkitchentech3043 2 месяца назад
Question how did you determine the system had 0 psig without checking the pressures you had to have attached gauges to verify flat system this video was very vague because you kept saying you did not use gauges but the system was flat did you push the schrader valve down to find that it was flat if that is how you found out that it is flat I have seen a system that had a broken schrader tip and the tech said it was flat but it wasn't the schrader was bad and it was because a tech was pushing in on the schrader valve and they bent the stem to check to see if it had pressure so best practice is verify flat system with some kind of pressure test ie...hoses with manifold or probes but always test pressures to verify your suspicions.
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
Jonny was there a previous day to do a maintenance and told them the system had no pressure. We have a protocol with this client and we are not to do any work without approval so we informed them the system was flat and they approved a leak search and repair if deemed repairable.
@dmiestercommkitchentech3043
@dmiestercommkitchentech3043 2 месяца назад
So you did use gauges to determine that the system was flat so stop making it seem like someone can just walk up and tell the system is flat that is deceitful and very dangerous now you could have said that someone was here and determined that the system was flat by checking the pressures and that is why we are back and dont need gauges to do the leak check and repair if it is deemed possible.
@alexibarra5139
@alexibarra5139 2 месяца назад
When I can’t find a leak to save my life and it’s a micro leak. I nitro charge system to 450psi. And literally rinse the coil down with water with water hose. Coat the coil with running water. You will find it. If not it’s in the coil somewhere call it a day get a new one..
@SurfBrosHVAC
@SurfBrosHVAC 2 месяца назад
Same
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