THESE AC UNITS HAVE SERIOUS PROBLEMS
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- Опубликовано: 2 окт 2024
- These ac units had some serious problems, but as usual we got it back up and running.
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Did I hear that right? "This customer does good maintenance" . Well that IS nice to hear.
I know, right? I think that qualifies as a Christmas miracle. Hear all the time this comustomer doesnt like to do PM. 🤣
And is sounds like they still got taken for by the last company servicing them.
That’s a freaking miracle
Shipping damage is universal these days. I am replacing the radiator in my Suburban. First "new" radiator came in and was completely crushed on one side. The replacement for that one came in with the box trashed and holes knocked in it, but was padded well enough that the only damage was to a couple of fins.
Replaced a radiator in my Camry two years ago. Ordered a Denso (OEM) from my favorite mail-order auto parts supplier. Box arrived with one slight hole in it, radiator was almost pristine inside. Within three days, it was leaking from the top crimps. Bought one at my most-hated auto parts box store, the box was immaculate, but the radiator looked like someone punched it. It also began leaking after a few weeks' use. 😠
For newbies: In that kind of works, stay watching the explanations of Chris about metering devices, retrofits, etc. TILL the end. Worth each minute.
Ever since the tailend of 2019, when the whole pandemic craze started, we noticed a sharp incline in damaged deliveries from manufacturers. Some of the times it was damaged by the shipping company, but I remeber at least five damaged outdoor units with scratched, dented or bend panels.
And of the five units on four the cardboard boxes they had been shipped in were pristine. But in the end we have a job to do and we had to give discounts.
Great job as always.
Quality Control has apparently been let go or replaced with temps 😂
@Adam Newman
Yea or they are pressured by the buyers to deliver products
Would you like a damaged but perfect working Part or no part
@@adamdnewman Diversity hires being pushed to the max! People are being hired solely on race and gender….. doesn’t matter if your qualified are not.
@@DanO181919 Yes that is true
Manufacturing companies are at much faster pace without any quality control, I was at a manufacturing company and everyone is pressured to skip steps, mind you these are all made here in states
At my store I’m our “”hvac tech”
Watching your videos has been super helpful!! However I dont get how some of these store owner and managers don’t know that stuff is wrong like ik they can’t pin point it but if your unit has that much ice how can you not tell…🤣🤣🤣
Keep up the hard work man!!!
I've seen the same problem with coils from the factory. The problem is if it's microchannel and it takes a hit like that, it's definitely leaking.
Good tip whenever I do compressors, take a hacksaw and cut as close to compressor body as possible. You will not get a flare back and you will just need to unsweat the socket. Much safer. Obviously verify no pressure before doing this but you will prevent explosions and still save the entire tube insert for the next compressor😊
And make sure no copper shavings are in the suction line 😁
You could do the same thing with a tubing cutter - won't get quite as close to the compressor, but no shavings.
10:41 Imagine buying a new car, and the radiator came out the factory looking like that 😅
Love the work you do and all the hard work you do in teaching your staff. Glad to see some of the employes in the vid with you.
Hi Chris. When you were soldering, I noted a couple of times that you held the solder stick (brazing rod?) in your teeth (30:11 and 38:42). Back in the day, when working on plumbing, I would use lead/tin solder or silver/cadmium brazing alloy. Both are toxic AF. Hope you are using something less toxic now.
Using your teeth as a third hand is common in many trades
Elemental lead, such as is used in the normal tin/lead solder, isn't toxic like you're thinking. If you chewed it enough to make organic lead compounds from the saliva (difficult, but stomach acid might do it), it might be an issue. Just holding it in your teeth or lips for a minute or two won't do much.
No such thing as non toxic brazing rod. But considering how short of a time you have it in your mouth it is a low risk. However, with what i now know about lead and its effects on children, i would scrub my hands very carefully after handling anything lead based, before interacting with a child, or handling anything they might touch.
@@stephenvale2624 Please go check the EPA and NIH information on metal toxicity. You'll find the key is 'organic lead compounds' or 'organic mercury compounds'. It's not "elemental lead" or "elemental mercury". Lead in Leaded gasoline was tetraelthyl lead, an organic lead compound. I'm not suggesting that lead is completely _safe_, but I'm pointing out that the risk that you're advising about is less likely than driving the rod into your eye.
I have no issues handling a lead ball, then going to eat. Even lead water pipes are safe - once they develop the scale. (That was the issue in Flint, Michigan. Not the lead pipes, but that the lake water's acidity level ate the scale off of the pipes)
@@tbelding ANY lead is not a good thing when children are involved. There is no such thing as safe exposure levels regardless of whether exposure is to elemental lead or to compounds. Even eating large amounts of chocolate can present a hazard. As adults though, it takes quite a bit of lead to become an issue.
I suspect that evap was a factory reject and they ran low on parts and bodged it together to fill the order.
Sounds about right
You should invest in a gazebo/canopy for when doing long hours on a roof and a fan too. It helps the job go so much easier. Love the channel. Watching from Australia 🇦🇺
I hate units where you have to open up the cabinet to pull outdoor air to get to the compressors. Makes it really hard to use standard guages. Glad I got some wireless JB guages for this summer.
10 ton package Carriers, Bryant… Oh, man! When I see these guys I always suspect clogged metering devise. I don’t replace these metering devises anymore. I just drill trough it with a very small drill bit to open the restriction and it was doing pretty good. All the “drilled” units cool well, the pressure/temperature/superheat look great. Why drill instead of replacement?….. Well, first in my drilling experience was 28 years old Bryant RTU… Carrier would only sell the entire evaporator with 3-4 months backorder period and $3500 for parts. It’s been 2 years and it’s running great!
He mentioned in a past video about an issue with simply drilling out the orifice wasn't that easy since it they have a second orifice a bit further inside that would also need to be drilled. Requiring a longer than usual bit that doesn't exist.
Oh! That’s didn’t even know that these guys might have one more orifice… :) I just cut the copper as close as it is possible to the orifice, drill it and re-connect the copper. Will search for the video that you’ve mentioned. If that second orifice is the actual thing that Carrier uses a lot… that would only mean that I was a lucky guy :). Honestly, I didn’t even remember the size of the drill bit. I’ve purchased the smallest bit that ACE hardware had on shelves. Need to use a little of electrical tape around that drill bit to hold it secure in the DeWalt cordless drill socket. I still have 4-5 extra bits. I was VERY skeptical when I’ve drilled these orifices for the first time. It was a Bryant package 28 years old and I pretty much had an agreement with the customer that … we will try to drill, if it doesn’t help they will purchase a brand new unit. However, to my great surprise the unit is still alive after almost 3 years and still cooling well. So, for the rest of Carriers I have sent even worrying, just drilling :)
I am a mechanic with anxiety issues to get the job done quick quick. But watching you gives me patience. So thanks for that.
Doing it right the first time > doing it as fast as possible took me a few years to learn that one
It’s a shame the replacement evaporator doesn’t have an option to use a TXV instead of those internal orifices as the new coil may suffer the same fate after some time. 👍
There is a retrofit he just didn’t want to do it
We all choose depending on situations
Though txv is preferable
Love all the content; I was about to ask the same question; can you opt to use a TXV in place of the fixed orifice for the 407C, including that in your conversion price.
That compressor top looked more like it was rusted out , same for those compressor terminals , possible flooding 🤷🏻♂️. Quick tip when you’re having trouble un-sweating any stubborn copper pipes from the compressor just use a self tapping screw and drill a hole on the compressor ports that will release the air pocket . Good video
As a former project manager, I would reject that coil. The customer paid for a new and perfect coil, not a butchered up one.
That's hard to do when the customer is down and you already have a full crew on-site.
@@The98deville
Then they should get a huge discount and extended warranty
I'm really surprised that they aren't packing the crate with Styrofoam in plastic bags. When I buy ADP coils, that's how they come. Never had one damaged.
I’m with you about not adding too many couplings. What about swedging/expanding? I like using the spin swedge. I think I’ve seen you use them before on one of your videos. Are you not a fan of them?
You said, and have showed, the coil issue hitting the unit metal many times.
Have you ever contacted Carrier and asked or told them about the issue?
I know that is can be a futile action, but maybe there is something that can be done or some other retro fit part that is needed or something.
Coil was damaged before shipping. After build. QC caught and had fixed. Coil builders are taught not to burn the frame. At all cost. Explains crappy repair.
That condenser situation is so frustrating. For a brand new piece of kit, at the price you pay, I'd be livid to have something arrive as mangled as that. And of course it leaves you in a bad situation because the customer needs the work done ASAP, and even if they could wait for another replacement it's more time and travel and money. More work, more stress, and the end result is a bad quality part with probably reduced reliability and service lifetime.
The worst part is that it's clearly been shipped in a suitable crate, so it really seems like the factory is shipping out stuff like that intentionally - a little manual repair to avoid trashing a perfectly working unit is one thing (if done right, with some damn pride in the work), and I get that there have been material shortages and rising costs, but there's absolutely no excuse for selling a part with that level of known damage. Maybe it got hit with a forklift or something in transit, but you'd think the crate would be busted up if that was the case... unless the courier patched it up or something, but that seems super unlikely. Either way, you're getting ripped off and messed around.
Props for taking it in stride. I don't think I'd could keep my cool (pun not intended... ok maybe _a little bit_ intended) with the sellers.
It's not on the same scale, but it happens all over the place. I bought a brand new fan to use on a Dell PC (specialty fan). When I received it, it appears to be unused - but someone actually started to install it _somewhere_. There are compression marks in the screw holes from mounting screws. I'd have overlooked it if it was all 8 holes (4 front, 4 back), but it was in only 3 holes on one side. Now I'm getting a new one straight from the factory.
I use to replace the header assy instead of the whole evap and never had any issues. Also converted a couple to use TXV's which was a bit more of a challenge but worked out great. Inexperienced techs should assist at first otherwise future problems will arise with those fixed orifice systems.
You the best tech man you got a lot good skills and I’m learning a lot from you video , God bless you man 🙏🏽💪🏽❤️
In UK we have been using R407c for about 25years ,R22 has been banned for about 12 years .We have a fixed rule ,R407a,b and c ,always POE oils even with our lower ambient .
Loved this video Chris, it felt like older videos you used to do. I loved the older-style videos you did. Enjoyed watching everything you did, as well as the interaction with your crew and the challenges of the job. Personally, I'd take a video like this any day over a video with music in certain parts.
ya i like seeing EVERYTHING
Indeed it is.
agree!
2 weeks or not, I'd have sent that shit back
I've always wondered why these evaporators in the units look so beaten up. Now I see they already come delivered that bad. As a completely unknowing non-specialist, I would not have accepted a evaporators looking like this. This one looks like its a refurbished one, not a new one. Completely unacceptable to me. What kind of company thinks that this is how QA of their product should look like.
Should have tried to come the fins out as best you can helps cooling and prevents dirt build up
I Noticed that too.......
I'm sure he just missed that little detail ....
It takes one minute to do that......
That damaged evaporator I wouldn't be surprised if it was a returned unit and they just patched it up at the factory and threw it back in to stock and you ended up stuck with it.
At my parents house they have send 5 of these tinks send back until one was not damaged 😂
Really wish I could see what you do in person, I’m 16, trying to get into school for this stuff, because of your videos I’m way ahead most people my age who keep saying they wanna go to trade school for HVAC, thanks
Where do you live?
Keep going with it. It takes work and practice plus he makes it look easy
Skip the schooling: apprentice yourself to a good company. You will be way ahead. In Maryland there are a couple of larger companies that actually have built-in schools. You work a year or two in the warehouse, attend their school, then you're the second man on a van. Then you're the lead man.
Oh, and you are paid to learn. And to work.
Carrier is outsourcing to Mexico now. But even other mfg companies are having some serious issues finding experienced help for the factories. Finding experienced factory help has been an issue for well over a year now. So not only do they have to pay higher rates, companies also have to train them.
I love that the #1 response from all these companies is "Instead of paying Americans a living wage, we're going to outsource and underpay non-Americans now."
Finding experienced help isn’t the problem. Willingness to pay them their worth is the issue.
Were they having problems finding experienced help _before_ they outsourced? In this case, they're raising the prices for the equipment AND outsourcing the manufacturing? That's a recipe for completely insulting their customers.
Such a great instructor, light tone but deliberate in moves & instruction
I watch all your videos so differences in filming/visible crew/etc. are a treat to see. This one was awesome. Thanks!
Yeah please don't take offense to what I'm saying I'm just speaking like I would talk to that's why I don't like texting some conversations because people can take the context out of text and make it what they want.. Like they say there's a 100 ways to skin a cat just for the The new guy's the up and comers that we so desperately need in our trade... I was just asking questions.. Anyways have a great weekend and thank you for not taking offense to it because I did not mean any offense or attacks I'm not a Internet troll if you will I was just sharing thoughts..
Thank you for making everyone feel old with the Happy Gilmore reference.
Yeah, but at the same time I feel sorry that the younger generation grew up laughing at pathetic tiktok videos instead of the Sandler classics.
8:45 I've had success with AC Renew, but you have to catch it way before it gets to the point the systems in the video are at.
Also need to include coming back and replacing the liquid line filter driers a week or so after injecting the AC Renew, because the crud it dislodges will plug up the tiny factory driers in short order.
I'v replaced the liquid header before....never again...
The way you all work together and communicate is how it should be. You're letting your apprentice do the hands on as you critically instruct. Let him eyeball the work you have done and get his opinion (as I'm sure you're quietly inspecting the joints yourself). Reference a common ground like a movie we have all seen like Happy Gilmore (tappy tap tap). Build reporte, set the bar where you expect it to be, and just share the common goal: get the customer up and running without a run around and just sound advice
Why dont you unsweat some of the coil loops from an old unit and save them for when another evap coil has leaky loops?
Been doing this stuff a while never thought to use the torch to get a bend in the solder stick. Thats pretty genius 👍
It's almost like they're shipping you returned evaporators that they've repaired 🫥
"Refurbished."
I've been watching your videos for about 3 years now and I've learned a lot more about hvac from you than anywhere else keep up the good work
Same here. Been watching chris videos 3 years ago. Never miss one.
HVAC Survival also makes great videos.
Chris I wanted to ask . Does a drier need to go on the suction line ? I was told that they only go in after a burnout and that they are temporary . Please correct me if I’m wrong .
That is some seriously terrible packaging/shipping. Total junk direct from the factory
It really looks like someone smashed it up in the process of crating it, and that's on top of what already looks like a refurbished part.
Wow.... must be a job plus to have a beard to be a refrigeration tech...
What app are you using? And what is your tools that you were using to diagnose the problem? Meaning, Fieldpiece tools used
The app I'd called measureqick and the tools are the Fieldpiece psychrometers for air measurement and the temp clamps and pressure probes I don't know the part numbers
@@HVACRVIDEOS model numbers would help
Question... in school we were taught to remove the suction filter after it has cleaned the system. like in a couple of days. otherwise, I believe they cause the ac system problems. what do you think about this?
I had the same thing happen with 3 until, every expensive parts.!!!! I just return then, had them give me new ones !!! Even though it took long !!! But alot better reliable parts. Plus warranty
man you're always talking about OEM parts, but it seems like the OEM stuff is beat-up straight from the factory, and it doesn't actually fit in the unit?? Do they make these things to last 3 years tops?
I'm in Chicago commercial/industrial HVAC, I'm just wondering y in ir videos the condensate drains r all copper. Is it code out there pvc out here. Except in buildings downtown.
You're doing a great job bro, I learn a lot from you about Refrigeration
I've been a Union service technician for HBA C and refrigeration for coming up on 22 years now why are you using such weird language, do you ever think that stage one may have a better capacity of cooling than stage 2, comma want to use RX11,nitrogen flush it out and then remove your liquid line dryer at the same time Replace it and continue if it's not overheating at the compressor's not over amping your windings are good you're just making more work for yourself and selling more s*** that The customer doesn't need I think in 22 years I may have replaced 3 or 4 evaporated coils on those carriers,a dime a dozen.. But hasn't restricted orifice in it and I can see that you're boiling off refrigerant and stage 2.. Did you do a temperature drop across your filters mine dryers would you like to call them it's a lot of extra work I see going on in this video.. Yeah I broke the suction side line because he didn't have the torch in the cup he had that big a** rose butt tip on that poor 78 side and you've got it so hot it cracked.. I wish anybody the best of luck in this field we need more guys that are interested in it so if you're watching this video please take this stuff Very open minded I would have done a 100 different things differently and had a different result and probably what I had that customer up and running in the same day.. I'm guessing that this is an Union shop and they don't have the money in manpower and the legit tools to do the job which is fine there's no problems there but there's a lot of different things that could have been done differently cheaper for the customer and more importantly less work for you I'm 42 years old I don't need you more work.. Work smarter not harder.. Also most of the time you don't use sub cooling on a fixed door fist of any rough top at all that is mainly for TX b's to make sure that you're getting liquid to the valve you're gonna do set up super heat 95 to 98% of the time hes hyping up what hes doing for some reason I'm out
It's very sad in how the quality from carrier has dropped so low in the past 10 15 years. I wouldn't sell my worst enemy a carrier. I was depressed watching this !!!😮
Do I have the right understanding of an fixed orifice metering device, that it can only optimized for one set of conditions? It is basically just a fancy capillary tube, right?
With everyone going nuts on energy saving, wouldn't it be better to fit in an Expansion valve? That would also be easier to replace if it fails
I to have been noticing damaged products coming from factory shipped stuff. It's to the point where I will inspect before leaving supply house and return the product with a little love note. Not acceptable.
Well, let me ask you this, is this happening on all units or just carrier because they have not great design, why they don’t gave something that you can service? I think they have designed it so bad so it fails after unit get cold and cough couple times. Not making se sense to replace whole evaporator because of plugged orfice . Bottom line all manufacturers are getting cheap
I started inspecting the stuff that just shipped in right away, even small stuff. Even if I will not use or install them right away.
Quoting Happy Gilmore while braising is almost as good as your braising music montages.
Honestly it look like your rosebud is too small your biggest issue is going to be the pipe cooling on one side while you try to heat it the other side surprised you having pushed you guys to get the hook so that you can apply heat to all areas at the same time and use less brazen rods but also when you installing those evaps just start using stay bright it'll handle our r22 system pressures and if you switch over to 458 A blue on it's a drop in replacement so you don't have to worry about cleaning the lines out and the oil is compatible with Bose POE and mineral and it'll increase your efficiency lower the temperature on the compressor unless power consumption
Imagine doing your job and inspecting it when you picked it up. Now you install a shitty coil for your customer
Man that is some bs I'd still try to return that pour abused evap coil even though I think I heard you day it had been sitting at the shop for awhile . You paid good money for it I'm sure....
If I where the customer and gets this evaporator sold as new - i wouldnt pay for it ^^
they like the shinies, huh..? idk if it's meaningful, or not, but i tried that too, and it just made it a whole lot worse... just wanted to be left alone...
Accutrol expansion devices are trash. I can't believe a company as big as carrier still uses them
you work your ass of for these customers to eventually make a sale on a RTU,hopefully you sold them the compressors and the evap.
im a week into hvac school and this channel seems like a good way to learn nightmare scenarios you might meet on the job, great work
I live in Arizona and am 16 thinking about getting into this work love your videos
Why do some areas of the fins on the evap. coils, look so dinged up? Somebody had to do that deliberately or by accident, right?
Love the measure quick app but I wish they could use the whole screen. It’s like they are only using a 1/3 of the screen…. 45:20
Cut connections at body then unsweat stub. Also a fan and a gas mask with proper filter will save your lungs. I use Mira Safety with grey code 40mm filters. Survivair makes good O2 kit but that creates new safety challenges. If you wear mask or respirator you MUST have training and trimmed facial hair for seal. You only get two lungs and your safety is YOUR responsibility, dont let the rookies deal with it, help them learn that now. The $ for safety gear is nothing compared to loss of health or life. Been refer tech for a while
Gas masks in WW-I was the big mover and shaker behind the 'facial shaving' changes in Europe and North America. That's part of what had Gillette take off like they did. I have a WW-I era Gillette razor that will use the modern blades just fine (shaves quite well too)
Cut rt at compressor body..then unseat piece from each line
Inline filter before the FOM to clean lines when made in factory?
2 compressors and an evap coil on that old unit ? just get a whole new unit at that point.
Carrier eek! Replaced a twenty ton heat exchanger on Bryant forgot to give new ignition board. Just worked on a twin Carrier furnace tough to get to ignitor and flame sensor Payne Carrier Brand! Grateful to be turning 🔧Be safe Chris your Cooling were Heating not bad 45f mild winter for sure here onEast Coast!
I love how you designed your merch with the entire HVACR industry to cover it as an entire umbrella rather than being brand specific.
I work in a factory where we make RTU units and coils are like gold right now. We get a lot of bad ones too, either fins are damaged, come with shitty braze joints on the U bends, come with no pressure in them, you name it. It’s from all manufacturers and not just one Certainly frustrating to say the least
Im confused and i wish you would elaborate. If you have a liquid line filter-drier, what is restricting your metering device? I can count on 1 hand the number of evap coils ive changed in a 45 year carrier. Are you confident of your airflow and cleanliness of the coil?
Dirty oil is plugging up the accurators, when the customer doesn’t take care of their equipment the oil gets sludgy and slowly plugs up the accurators. The filter drier catches large particles but oil still makes it thru…. Very common on old carrier units especially if they have Poe oil in the compressor as Poe acts as a solvent and scrubs the inside of the pipes clean.
Ooh, a _looooong_ one, will watch after work tonight!
That's what she said
With amount of brazing......you would have gone through the whole 80's to get it all in the video. Start at 1980 and braze to the 90's 😆 🤣 😂
Those Acutrols are junk....just ran into the same situation as you did.
Sir, I would like to work for you.. you seem like a kick ass boss
wish I could afford the hat.
Ugggg the oil in the compressor compartment made me crawl in my skin. I’d just have to clean that up before leaving. Like replacing an entire engine in a car and leaving the motor oil all over the head/ block.
@28:55 your tech there on the left looks very familiar, I think I went to school with him over 3 years ago.
Very good possibility I think he went to school in hesperia....
@@HVACRVIDEOS yep, SJVC in Hesperia. He sat right across from me at the same table. Can’t remember his name though.
Would have sent that thing back to the factory
We love the post COVID work force
I was sent to the Lennox factory because there were no workers there and I asked some worker they said they only did one unit and there are truck loads of rtus flat from the factory
I know your super busy but remember inspecting every delivery will save you time and money in long run (at the shop opening the pallet that is)
Hey man you looking for new techs I graduated college for hvac and I’m looking for a full time job really want to learn refrigeration ! Anywhere I can send my resume?
Sure send it to hvacrvideos@gmail.com
🤣🤣🤣🤣 some one has definitely watched too much happy Gilmore.
Link to the striker tool you used for your torches ? Also , do you know if the measure quick app allows you to sync and use two different brands at the same time ? Example - can I run testo pressure probes and clamps with fieldpiece psychrometer? Or can I have a complete set of testo on circuit one and a Fieldpiece set on circuit 2 ?
Yes I believe you can use two different brand probes as far as the Stryker all I know is that its made by cliplight
@@HVACRVIDEOS thanks for the quick response sir. Keep up the great hvac knowledge
Carrier is horrible with their coil packaging!!!
Great thumbnail!
Maybe customer return was resold to you?_
Famous words. "Don't breath"
Im trying to understand why you didn't just replace it with a new unit. Thats alot of work for an older roof top.
It’s the customers Money so it’s their choice, they didn’t want to buy a new unit
Those damaged coils from the factory sucks BIG TIME!......I had one on a Busch unit....
I give you 9.5 on this job mate!! You fixed the whole unit plus you fixed the "new" manufactured evap coil.
Hey Chris, do you think the compressor changing had something to do with the metering devices being clogged?
Yesterday I replaced the 1st stage liquid metering manifold on the same model carrier. 26 braze spots. The new one comes with these stubs s you braze those in then the manifold to the stubs. Definitely a challenging job! 94 in the shade with an easy up.