HURRY I THINK WE HAVE A FEW AC'S DOWN........
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- Опубликовано: 8 июл 2024
- So again one thing led to another and six ac's later we got them operational.
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00:00 TEASER
00:13 SPONSOR CARD
00:20 VIDEO START
01:01 TRIAGE TIME
11:34 WTF MOMENT #1
12:14 TECH TIP
14:17 WTF MOMENT #2
15:41 CHARGING TIPS
18:46 ECONOMIZER TIP
25:00 COREMAX FITTING REPLACEMENT
33:10 CLOSING WORDS
"I'm not gonna name names you know", shows the sticker of the filter changing company while saying that hahaha
18:38
Bfc company 💩
@@jxw9634 bullshit fucking company solutions. It's literally in the name
@@kingkatiin2658 I kicked bfc company off roof when I working on unit. They wanted use pressure washer on unit that I'm changing compressor
I'm in Texas and we have bfc in dfw. I've had to go behind them about 30 times because they cant secure return panels very well
I'm 16 and am not doing anything to do with refrigeration yet I still watch every one of your videos. Your big picture diagnosis thing genuinely applies to everything in life too
Thanks bud
Be very careful when you get a job. Some companies are very bad to learn from.
Your First Few Employers Will Be Shady..And Try To Make You Shady Too....Stay Honest
If your school district has a technical / CTE school, you could probably learn HVAC there and finish high school with a certification.
If it doesn't, Job Corps has a HVAC program, should you be willing to deal with them and their stuff. They also have an advanced HVAC program they are starting up
I did not realise that there are people who think NTE means "fix it for this much".
No guys, its the opposite, the customer preemptively gives you permission to spend up to that amount to fix the problem. The NTE is the customer's way of saying: "If you can fix it for less than X, just do it immediately please. If it costs more, we want to know before you continue."
They don't want to you to waste time checking with them over an amount that they are going to agree to anyway.
It's so cool to see how debugging looks the same in every field :)
- A software developer
Good logic is good logic
Now, I'm not in this industry, but it sure sounds to me like whoever originally installed these units did an... interesting job.
26:59 To prevent cross threading, I always push a nut or bolt up to where it's supposed to go and turn it backwards a few turns while putting light pressure on it (as if taking it out) until I feel it drop in then I screw it in and since I started doing that, I've never cross threaded anything...
If it's been cross threaded before or the threads are just really low quality to begin with, it can still be bad with that method. But it's definitely a great habit to be in.
You described NTE perfectly. I hear people complain about them all of the time. NTEs mean nothing because an initial diagnosis should really never eat that up. Larger issues after the diag is a new work order.
I get it more like "NTE is a permission, not a limit. If it's below NTE, you can just go ahead without talking to them. And if it's above NTE, you'll have to talk to them about it as if there's no NTE anyway".
My belief is that all engineers should have to work in the field in their industry as a technician for at least 2 years. This would help bridge the gap of understanding the real world consequences of engineering decisions on equipment performance.
They say the hardest part in Ac work is assessing the equipment. You assess the Machine, make a quote and your not given work. I have faced that like 10 times.
I see you made it. Good work Chris.
Am still waiting for my merch though.
I know the feeling of chasing ghosts where the numbers don't match when trying to figure out which wire goes where.
That cluster of thermostats was absurd.
Gonna comment before I even watch;
My college is getting renovated, and during this, the AC for our server room bricked itself, servers went into meltdown>.< So today we had an electrician in running a new circuit for the building, for a brand new split AC system. Hopefully in the mean time our little portable AC holds up, because it's Finals week and we need the school network.
Wish you could be out here doing the install, or even just a review of the air system. It's ancient>.
Sounds like the place is one of those holes in the wall community colleges I've gone to, had a couple of semesters where they didn't give a rats ass about network performance enough to where some classes had to leave early on some days.
@@MrKillswitch88 It's actually awesome to be there, just having some financial trouble. We had two buildings, one owned and one rented. The rental agency was price gouging the college, so we moved entirely to the other building. The issue was that, with all the construction work and with covid, building maintenance lacked a bit, and the AC failed before it could be repaired. The network performance is usually great, they just need to keep the room cool, and that's hard to do while there's an AC down.
Nothing more frustrating than a strip mall with 100 2 or 3 ton units on the roof and no numbers on them in August at 3 PM by yourself.....I dont do strip malls anymore...lol
I agree
Thanks for showing the T-stats! That was a good laugh 😂😂😂
I understand the label frustration worked at a hotel had 220 units on roof none were labeled to what room they went to
What gets me, in a nice way is the two that are due for replacement when they are working are both working correctly!
Let’s freaking go
Lol settle down
Go where? Look whats happening
Toooo lunch
As a customer, NTE just means 'if it's going to be more than $x, there's some additional thought that needs to go into it'
For example, we had our hot water heater at the shop stop working. NTE we gave the plumber on initial diagnosis was $300. Essentially, 'emergency callout and swap any sensors or filters or whatever'. Two hours later, we get the prognosis: Everything about it is dead. Technically fixable, but it'll cost ya.
We were already planning an expansion that would require more hot water, which is why we set the NTE so low. So we worked with the plumber on estimating the upgrade for that expansion, worked out that shutting down for the week, comping our customers with prebooked appointments and doing that work would be cheaper in the long run than throwing parts and labor at the old system we were going to replace anyway, and shutting down for a week in an orderly fashion.
If our HVAC were to stop working, we'd have a very low NTE because we'd be waving the estimate for repair at the landlord about it to see if we can get them to pitch in to replace the paleolithic garbage with modern units that don't cost a thousand bucks a month to run 6 tons. Like, any action beyond 'replaced bubblegum part and hosed the wildfire ash off' is farther than we really want to go.
Well said, informative and funny as hell :D
Also, as far as an NTE goes, I treat it as an NTE on this diagnostic visit, not even close to the actual final repair/replacement cost. And the NTE is definitely negotiable in a situation that this video shows lol
I appreciate that this man showed the struggle of cross threading without editing it out or anything. True to life.
Beautiful intro clip. Can't watch the whole vid right now so I'm saving it to watch later, but 15 seconds in and I legitimately bust out laughing.
The times when you walk onto an unfamiliar site and just scratch your head wondering "How!?"
Lol! You must have seen the wall full of thermostats! I cracked up when I saw that. 😂
I can appreciate the sarcastic comment you're making in the title about clients avoiding any sort of regular maintenance, as well as always opting for the cheapest option when making the recommendation of replacing a part preemptively so it is not breaking by surprise when the weather gets hotter and the ACs have to work extra-hard. But the thing is, we have a maintenance contract with a guy coming over every now and then, cleaning everything, checking temperatures and if there are any problems in the making, and also following the recommendations of replacing stuff, and the damn ACs still break by surprise, especially when they are needed. Maybe ACs are just shit by default.
Labeling those things correctly is such a big deal! I'm telling contractors installing them at my work usually that if they don't do it so that even my trainees would be able to make sense of what is where, then I will make sure to give them a call as soon as something is wrong in 5 years and if they cannot identify what is where within 5 minutes of them being there, I will get 25% of my money back from everything they have just done. I put this into our contracts to make it legally binding and usually they are doing a good job of labeling them anyways, but damn it is frustrating when they haven't done that correctly when installing it!
That is God's truth. Should be mandatory for fire code all are labeled at unit AND panelboards.
"DO NOT EXCEED" is code for "PLEASE TAKE OUR MONEY AND OUR A/C DOES NOT NEED TO WORK WHEN YOU ARE DONE".
No. It means the customer is paying for your time to get an expert evaluation and report.
Which is excellent and reasonable.
@@1971merlin Bah ha ha ha ha ha ha! You didn't get the joke! That is hilarious! Thanks!
Especially that low of one. Barely have time to get there and piss.
so cool...
Please do not stop with these. Informative and entertaining.
Was probably a headache for you, but fun video for us to watch! Love the content.
Holy no cooling Batman. That'll keep you busy for awhile
Youd make a lot of people happy if you made a series of videos about very basic ac concepts. I know this is a comercial hvac channel, but its all about ppl draw ;)
27:00 TIP: Rotate counterclockwise slowly until you feel the threads mate. It will significant reduce cross threading.
My favorite is the unit that has stick-on house address numbers on it.
That Core-max tool Is a lot more than a tool that pays for itself on what you make by selling the Core-max fittings. Normally you would have to evacuate the system and install the valve then recharge the system. I watched that and thought , Wow! What a time saver. Not that you probably need it that often, but when you do, what a time saver.
Get yourself some “C&D Braze-On Self-Piercing Copper Saddle Valves” for the LL. You can actually pressurize & leak check them while under pressure and before tapping the line.
"Yes it is expensive looks like just a couple of fitting you could just make at home but not necessarily ok" you legit said it as I was thinking how would i make one at home lmao
I think it's great that guys who make parole can find a job changing filters. However, these clients don't realize what they lose by not paying an HVAC contractor to do that work. A filter changer will hear the sounds of bad bearings of a condenser fan motor, and not know what that sound means, and it will go unreported. Recently, at one site, the filter rack rods and media did not reach all the way across the evap. About 10 inches of evap was left exposed. I called them and talked to their service manager. A month later, I came back to do some quoted work, and no one had come by to correct their mistake. That is what you get for a lower price: a lack of professional knowledge and expertise.
18:37 - Heh heh heh...
I think you had the right idea - kick everything on max cool and triage everything on the roof. When you have a NTE of $500 on a service call, the best plan is to fix as much as possible within that limit. As much as I hate the "Band Aid" approach to repairing anything, you can at least coax a few units back into service - and, as you said, some units were slated for replacement in the near future, you got them going in the meantime.
You definitely earned a few beers tonight!
Always check the heat exchangers on the GCS's. There is poor airflow across the last couple tubes and I often find holes in the bends. Great stuff!
I am an electrical apprentice in high school but I love your hvac videos I hope I didn’t pick the wrong trade 😂
As an hvac guy ill tell you this, if youre looking into getting into hvac stick with electricity training for a good while to nail down low end currents. Then hvac will come with a LOT less headaches.
Brilliant work and thanks for sharing this with us take care
Great video lots of good information, thanks for taking the time and share. 👍🏻
even though I am the viewer I am overwhelmed by how many ac/s there were and how close together they were.
At 10:45...you can buy those CoreMax valves from Carrier. It is a lot cheaper than buying the tool and replacing the cores. Two wrenches and done. This is without pressure in the system. You do need the tool being shown later if you want to do a hot swap.
But the tool allows you to change them with gas still in the system.... also jb distributes the coremax valves themselves and I am willing to bet you can find the jb branded ones much cheaper than carriers price??
@@HVACRVIDEOS We get really good pricing from our Carrier rep, and I have not seen a JB version. That said, if I have a leaking CoreMax, I am going to pull the charge anyway because most of them leak on 410a systems, and I am not just going to add to a fractionated charge. Our Co is not buying the tool. We had that discussion.
Nice work man, tackling all of those...that's how we deal with NTE's also, but managers are always like can't you just do it on the same one
The Veto beach bag as you called it is awesome, you'll buy more than one. You start loading one for bulky stuff then parts then cords then..... just keeps going. l usually them for wire and sealtite then cordless bandsaw and other tools parts in another. each has its own rope making dragging them up easier on me.
You have no idea how helpful these videos are for me while I’m on call.
You should get a bunch of those small clipboards with magnet🧲 on the back with service tickets or some sort of PM/diagnostic paperwork
I have been a press operator the past 13yrs...before that I did residential HVAC. 3yrs in the field. I really enjoy your videos and professionalism! I still like the field...wish I could learn from someone like you but I don't want to be back in that field lol it's more of a hobby now lol
Great video. Also I love the old tools you have on the background.
Great info in this vid ... Much appreciated ...
0:32 - Looks like an equipment farm on this roof. 😳
🤔Seems to me you exceeded the NTE with the valve core (max) change out and the R22 top off 😅😃😂😅🤣😅😅
(Commercial)
🍺🍺🍺🥃🥃🍇🏌
Stay safe.
Retired(werk'n) keyboard super tech.
Wear your safety glasses.
Very detailed and informative as usual! Excellent work sir
great professional work Chris
yes sir working with an helper on multi roof tops come in handy to man each Tstat hit one @ a time to help relabel all equipment as needed instead of up & down on & off roof ..Great Work Thanks
glad to have time to start watching again, I am behind on yours & other you-tube videos, I took another job, 65 miles away 2 days a week, for last 4 months, 130 mile round trip, I quit 2 days ago, 6/18/21, I will not be cussed & told off because I took too long & didnt get finished when working on a 1952 car, so it has to sit until I come back, & I wasnt quitting my primary job. his other techs didnt want to go behind me, so car sits until my next day off, & 1 week I only had 1 day off, plus on my normal work days I been helping my wife 3 hours or so a day.
I really want to get into this field, but I know cars, & took an auto-body job, supposedly doing metal fabrication & welding, but next thing I know I was trouble shooting wiring on a 1952 Packard without diagrams, & partially rewiring, yeah thats what took too long, it is his new play-toy & he wants to drive it, today I was supposed to rebuild steering on a 1959 Cadillac, but heavy mechanic work hurts my back, thats why I took job for metal fab, but his 1957 Chevy Bel-Air sitting in shop needing full floor, trunk, rockers, roof patch, & I did cut out all old metal, & test fitted, new floor & trunk pan, & welded in toe-board, then he side tracked me, then cussed me out. and demanding I quit my primary job, which provides insurance, or go part time at primary job, Grrrrr. he talked good game, but I refused to be belittled or cussed. I am a top notch body man, & welder, & a decent mechanic, but burned out, & wanting a career change
Big inspiration love your vids!
On the customer side, I treat NTE's the same way. If I call in a professional with a $500 NTE that means "If you can handle it under $500? Just fix it and hand me the bill. Otherwise we'll have to talk first."
What would your recommendation be for a business to be looking out for, for a good HVAC maintenance/repair/install company?
Obviously your company if you're in the area, but how about elsewhere? I can't imagine everyone being as thorough and respectful about the whole thing.
Are there any obvious / tell-tale signs? Or certain like, accreditations they should have, etc?
Thanks for the Copeland tip, I didn’t know that! I love Copeland because their app is better than any other compressor and now I love them more!
Thanks Chris , interesting !
I'm a qualified small size A/C installer and watching your videos as I'm planning on some times soon take some courses and get a license for all A/C systems. In Finland there is below 3kg and above 3kg license, typically meant split type A/C installer for less than 3kg and then the "real" A/C installers that does everything. And I like your videos. I've had the below 3kg license for maybe 12 years and installed maybe 300 split type A/C systems, mostly in the last three years. In Finland you can't do any work on devices with refrigerant unless you ar licensed
I have NEVER seen a damper on a RETURN, unless it was a BALANCING DAMPER for Zone Systems. Or Motorized Damper on a Zone System. Those Damper are moving the excess air from Return to Supply.
Never have I seen a damper on just return. Weird.
boss said put the thing in the thing, so I finished my mid-morning tecate break and did it okay? Welcome to CA ;)
And the ctxl tote bag is 👌🏽, use it all the time to haul up things in one go
Wow I never knew the compressor had another data tag on it! Is that just a Copeland thing?
17:35 I totally agree with you mate. Funny thing is I do this every day then come home and watch someone else do it. Hmm I need a life or a bigger job with more challenges, I’m still young but I have worked on three hospitals, two universities, shopping Centre with a cinema , performing arts Centre , 4 age care homes and aquarium, but I never got into maintenance I only have done new works, day 1 to hand over as well commissioning. I enjoy watching your videos mate thank you from Australia 🇦🇺
Hello from Texas Chris ! Wonkie is that a west coast technical term ?
On the condenser with a discharge only port. I will try to find the actual condensing temperature from the coil. Temp change stops and holds for several rows. Then take the temptation of the liquid line, and you will get an idea of the actual subcooling. I have done this for years. 100% accurate, not quite, but at least gives you an educated guess.
Keep up the great vids
This is an example of the government getting into a business that they know nothing about and where they want guidelines for the technician to follow without asking qualified technicians what proper guidelines should be. I'll bet you money that not one government agency employee ever asked you one question about how something should be done.
All the best on trying to keep a level head and do the job right.
Another great watch!
That couldn’t possibly be an OG is it….?😂😂😢😢 we have allot of humidity issues with them in the summers here in NC…..
Hey hope alls well. Thanks for the awesome videos man. Ill bet this world record heat wave is keeping your business afloat so much you can put it on a yatch by now.
I know for some carriers the economizer can be installed for down flow or side discharge. It’s the same economizer, but you have to install it the right way. Don’t know if Tempstar is the same.
Temp star is Carrier/ICP. It’s completely the wrong economizer.
@@wonderhomie2011, gotcha. I know some of the newer carriers the economizer is the same for both, but you obviously have to install it for the correct application.
im at electrical engineering end of things at least thats my schooling but darn it sometimes i wish i went ac sometimes. debugging was always one of my favourite parts
I just realized how funny it is how they put a eco mode near the discharge air of another ac like yo who does that
Sounds like you need to make your shirt logo into a red cross shape for these triage calls. Great video Chris.
its always hurry up my A/C is down until they get the estimate then its lets wait LOL
Always the same 😂 "you have to get here and fix it tomorrow (Sunday)" okay, just to give you a heads-up, it will cost at least this amount before I arrive. "Well, it can wait until Monday or Tuesday...".
With all the technology we have and still can’t get rid of the wall o’ stats lol
Sure you can, you can install a whole bldg EMS with a central controller. With EMS you can look at supply temp,humidity,return air and the like! Typical cost 10k per unit!
Of course the technology is there if you have the dough for it. Sometimes keeping it simple is easier to manage for both parties the tech and the customer.
@@hvacslayer2929 What I'm trying to figure out was how those stats work for different units ,when they are all mounted next to each other! At :50 of the video,
They have remote sensors out in the individual zones
You are absolutely correct, there is no reason to add a RA balancing damper. On a VAV system, the OA damper should be at 100% open and the RA damper modulates since they are a pressure dependent system.
Know roofs, I deal with antenna work.
Couldn’t they have made a bigger tool for those Coremax fittings?
Good video 👍
Resturant Needs Daily PM Check and Call When A/C Does Not Feel Cooling, Should Call For A/C Check
Chris, does your father still work on ACR equipment? I think it is awesome it is a family business. My kids said NO to my work, they are both working with computers and making as much as I do, or as the oldest makes WAY MORE. He got lucky with the way his jobs went. I would love to make $175K in Alabama. Here an HVACR tech make anywhere from $800-$1500 a week. In Alabama we are not selling techs. No real commission. Which I like. Take care my West Coast Brother. I believe in your work from the South East US.
My dad works in the office he doesn't come out in the field very often anymore.
@@HVACRVIDEOS I love your videos. Your father raised a great person. He believed in passing on the trade. I hate my kids did not, but they are making more than me. We need more of you, more down south, because all our kids are moving to computers.
We need trades people here in the south. We are not union. an that scares people. but we make money. and are paid well for our region.
Nice video
Chris could you use a ladder crane or something like that to hoist everything to the roof? Or is that too much hassle? Only to be used when you're doing major work on the roof.
Now I know how my dentist feels when I need him after several years....
Man that area looks like Arizona.
I forgot what state you said you were in.
Oh, after seeing those pressures, that's certainly isn't the Phoenix area. No way R22 is down near 200 PSI even at 8AM in this time of the year. HA HA! A rooftop like that be near 300 PSI in the afternoon.
On a roof decades ago with between 50? and 75? heat pumps. It was AFU. In the building, junk and boxes were covering stats, some of which on heating, some on AC. They had economizers right next to a big farming operation= all kinds of dust/ plugged filters/ evaps. The company maintenance guy had gotten way behind, and when I started making him look bad, he figured out an excuse with his boss to get rid of me. LOLOL That should have been about a 2 weeks job turned into about a day and a half I hope he had fun "not" fixin' all those
over here laughing at my subscriptions, I went, cleetus Mcfarland or HVARC, well you can see where I'm at lol.
That coremax tool is super cool love it?
25:03 Ohhhhh. So *that's* how those are replaced!
Why is there a damper in the return. Return air is overrated! Say sucked itself shut 10 times really fast Chris. 😀
You need to hurry up you have four more service calls!
D00d is the ben Carson of heat and a,,/c love vids. Even though I know nothing heating ac 😁😁😁💯
I’m currently up on a Roof outside of Pittsburgh, Pa. on a 6-Ton Trane RTU.
Our weather is finally getting warm. The piece of equipment that I am working on is brand new and first summer of operation. The medical room that I’m working on is 71% humidity 70 degrees. The unit is way oversized so it’s short cycling and not dehumidifying. 🙄 This isn’t the first time I’ve run into stuff like this.
You're not to far from me.
@@mackenziegray2090 : where about are you from?
@@hvacexplained9341 westmoreland
@@mackenziegray2090 : ahh nice. Yeah I live right by Washington county near Canonsburg dam.
Daaaamn that coremax tool is huuuge
Good Diag I like the Vids
That $500 NTE I assume would maybe cover diagnosing all of those units?
A not to exceed for me typically means i can do work up to that number without getting signature approval. Anything over that i gotta get signature approval from someone.
Having a return damper is usually to help pull more OA.
No Nylog, you love that stuff
Here in the UK R22 was phased out due to ozone depletion. To add R22 to a system here in the Uk would be a £50K fine and 5 years Prison.