Chris dude, your trouble shooting abilities and ability to articulate that into video is next level, I've been in the trade for over 20 years, I really enjoy watching other masters at work. It keeps my memory refreshed for when I get those wierd little multi minor issue calls, I swear those are the worst they always leave me second guessing myself
I think as service techs we all have a phantom call where it “ wasn’t working “ but sometimes you show up and it is !! No matter what you check and how much you look into it , it just runs ! Great video as always .
Burned contacts on the contractor indicates heat = resistance = voltage drop across the contractor which affects the operation of the compressors are whatever the load happens to be. Great persistence and troubleshooting👍👍
i literaly randomly saw your first video (for me) wich was the "the AC is on fire" you literaly made my day that day and i am a returning viewer. THANK YOU
If those are 208v units....you could always use a RC Snubber across the contacts. They are great for arc suppression and they are for transient voltage spikes. I frequently see them on contactor coils ( 120v coil ) they are normally used on controls circuits, especially great for systems using boards to enable coils for switching components. Great video Chris
Another interesting video. If you wanted to know if by chance the unit was power cycled by itself you could have checked the coded on another unit. Also, whenever I reset codes I would leave a note stating the time and date so anyone following up could see whatever codes have occurred since that time.
Contractors are like zip ties. Very cheap insurance. I always enjoy your troubleshooting. It has helped me in my troubleshooting skills, both with hot and cold side equipment.
So cool to see how you go through the units and how you evaluate operations etc! I really enjoy your videos Chris! I always learn something new from you!
Minor FYI: inch-pounds (or pound-inches), not pounds per inch. Inch (from axis) times pound (of force). (@19:48). And yes, that directly translates to one pound of force exerted at a distance from axis of one inch. (Or 1/2 pound of force at a distance of 2 inches, or 1/12th pound of force at a distance of a foot, etc.) (For one inch-pound. 25 inch-pounds is of course 25x greater.)
If you're a repair tech, systems with know failures isn't a bug but features to them. Good for HVAC startup companies, bad for the older guys in the trade. I'm retired but Bosch still concerns me. Dealt with their garbage in the 80's a couple of times and also Mitsubishi too. Somewhere there is a niche market where the summer temps are like in Hokkaido, Japan?
Buenas tardes Chris, nuevamente un trabajo excelentísimo, lo de los contactores no lo sabía y mucho menos lo imaginaba pero hoy aprendí mucho con tus grandes explicaciones. Ahora se que hacer y que explicar a los clientes cuando tenga que cambiar algún contactor, pues si e tenido contactores con arcos de corriente. Gracias Chris por tus consejos y tus enseñanzas profesionales son muy importantes y valiosas para mi. Saludos desde Coacalco Edo de México.
Spiders are attracted to where their prey is located. They're not really attracted or repelled by light, in my experience (some species really prefer dark areas, though)
10:30 Time for 4 new blower motors when you have some free time. Save you 4 Saturday at 10:PM emergency calls :-) I am guessing they are all original and have ran the same hours.
Quick disclaimer. You know that unit a lot better than me and I am in no way a professional HVAC mechanic. Just commenting for engaugement. Always a good video.
19:48 it's not "pounds per inch It's multiplied not divided. normally stated as inch pounds. If it wants 1 inch pound and you're 1 inch away you apply one pound. If you're 2 inches away you only use half a pound because of mechanical advantage. 2 inches * 0.5 pound still equals 1 inch pound. Also, it's the same as how you measure torque of an engine except that's foot pounds.. but a foot pound is just 12 inch pounds.
Really now. How often do things "blow up"? Does that mean the overload trip? "Blowing up" is relatively rare. If things are potentially going to "blow up" you should know of the risk and stand aside. 'Blow up' is a bit over-used term.
About two weeks ago, I will discuss this on my livestream this evening 11/18/24 @ 5:PM(pacific) on UA-cam, come on over and check it out ua-cam.com/users/live5ZxU8pbDIZQ
Seems liek the contactors are very often problematic. Why dont they use solid state relais for the compressors? Price? Or are there other reasons as well
@@HVACRVIDEOS as always in our society ... Thanks for the fast response! Over here in Europe we mostly have frequency driven compressors. In fact on new units I am only aware of frequency driven systems, I don't think there are contactor based systems available anymore. Its always quite interesting how different technology is in the US
A single 3 phase 40A contactor is about $40. You need 3 SSRs at about $180 each to do the same job. Unless you need the SSR for control reasons, you probably won't really want to spend the money on them. The prices I quoted are based on a repair I recent did to an environmental chamber.
Just a little thing, but I like how you took the screen capture video of MeasureQuick, rather than trying to record the screen of another device with your camera. It makes the readout much more readable. Probably also has a smaller file size.
I'm in IT, and I still wonder if a system will come back online after doing anything with the power. I've had at least one power supply, when being tested, turn into a micro electrical storm.
My guy has been servicing this customer for 20 years.
Respect.
Yeah our company has been working for this customer for a very long time and I’m very thankful for that
Obviously the customer respects him too.
Chris dude, your trouble shooting abilities and ability to articulate that into video is next level, I've been in the trade for over 20 years, I really enjoy watching other masters at work. It keeps my memory refreshed for when I get those wierd little multi minor issue calls, I swear those are the worst they always leave me second guessing myself
Thanks bud glad to know you don’t think I’m crazy ….. well at least when I’m troubleshooting
I think as service techs we all have a phantom call where it “ wasn’t working “ but sometimes you show up and it is !! No matter what you check and how much you look into it , it just runs ! Great video as always .
I completely agree
It might be coincidence, but anytime I see a bunch of spider webs in my rentals, I can guarantee there's roaches.
If there's spiders, then there's enough food around to sustain them. And spiders eat roaches.
It could be a coincidence, but it's probably not a coincidence spiders enjoy themselves a good meal
Burned contacts on the contractor indicates heat = resistance = voltage drop across the contractor which affects the operation of the compressors are whatever the load happens to be.
Great persistence and troubleshooting👍👍
Since spiders and roaches are the most common indoor and outdoor bug. I could see that being accurate
i literaly randomly saw your first video (for me) wich was the "the AC is on fire" you literaly made my day that day and i am a returning viewer. THANK YOU
If those are 208v units....you could always use a RC Snubber across the contacts. They are great for arc suppression and they are for transient voltage spikes. I frequently see them on contactor coils ( 120v coil ) they are normally used on controls circuits, especially great for systems using boards to enable coils for switching components. Great video Chris
Another interesting video. If you wanted to know if by chance the unit was power cycled by itself you could have checked the coded on another unit. Also, whenever I reset codes I would leave a note stating the time and date so anyone following up could see whatever codes have occurred since that time.
Contractors are like zip ties. Very cheap insurance. I always enjoy your troubleshooting. It has helped me in my troubleshooting skills, both with hot and cold side equipment.
Thanks bud
Wisdom beyond your years you have the best videos out there so far
I appreciate that, thanks for watching
Something about systematic troubleshooting is so satisfying. Maybe it's because it's not me doing it. Another great job.
Thanks bud
I have always changed back plates and arch covers also, but it’s these details that make good techs.
Truth
These compressors sure sounded like death...
Accurate 😂
So cool to see how you go through the units and how you evaluate operations etc! I really enjoy your videos Chris! I always learn something new from you!
Minor FYI: inch-pounds (or pound-inches), not pounds per inch. Inch (from axis) times pound (of force). (@19:48).
And yes, that directly translates to one pound of force exerted at a distance from axis of one inch. (Or 1/2 pound of force at a distance of 2 inches, or 1/12th pound of force at a distance of a foot, etc.)
(For one inch-pound. 25 inch-pounds is of course 25x greater.)
If you're a repair tech, systems with know failures isn't a bug but features to them.
Good for HVAC startup companies, bad for the older guys in the trade.
I'm retired but Bosch still concerns me. Dealt with their garbage in the 80's a couple of times and also Mitsubishi too.
Somewhere there is a niche market where the summer temps are like in Hokkaido, Japan?
Maybe the spiders have a restaurant problem?😁
Yes! Scary sounding compressors after only 0:35, this is going to be a good one, hoping for angry compressor 😀👍
The angrier the better
Great advice in the closing words Chris. Thanks for another awesome video! 👍🏻
I hate seeing these units get replaced, they are so much fun to work on
I don't mind them to much myself
True professional
I appreciate that
Great job Chris. Big picture stuff.
Thanks
Great video. Thank you for sharing
Buenas tardes Chris, nuevamente un trabajo excelentísimo, lo de los contactores no lo sabía y mucho menos lo imaginaba pero hoy aprendí mucho con tus grandes explicaciones. Ahora se que hacer y que explicar a los clientes cuando tenga que cambiar algún contactor, pues si e tenido contactores con arcos de corriente. Gracias Chris por tus consejos y tus enseñanzas profesionales son muy importantes y valiosas para mi.
Saludos desde Coacalco Edo de México.
Gracias amigo, hola que un día tu puedes hacer videos sobre tu trabajo en México
@HVACRVIDEOS
Lo intentaré hacer mi estimado Chris, tal vez en un futuro. Y nuevamente muchas gracias por todo tú tiempo.
Saludos y excelente día.
Sounds like one of those compressors has seen better days
Good job Chris..........
Thanks bud
Great video ❤
I have found that spiders are really attracted to LED lighting.I changed all of my facilities to LED outdoor lighting and holy smokes,its awful
Spiders are attracted to where their prey is located. They're not really attracted or repelled by light, in my experience (some species really prefer dark areas, though)
@@tbeldingcorrect,the leds attract other bugs and a spider see's the Hot Donut sign all lit up
10:30 Time for 4 new blower motors when you have some free time. Save you 4 Saturday at 10:PM emergency calls :-) I am guessing they are all original and have ran the same hours.
Quick disclaimer. You know that unit a lot better than me and I am in no way a professional HVAC mechanic. Just commenting for engaugement. Always a good video.
@jonleiend1381 thanks bud, I appreciate the feedback
Spider web..
This restaurant should call for help on the Halloween, to be spot on with the vibe.
Another great video.
Thanks
I keep the contact labels upside down for the spiders. Really they spend more time there than I do.
Lol
great job!
Thanks bud
My favorite tech to listen too.
Thanks bud
Had me on the edge of my seat
At 6:50 - I love the new gauges overlay view, Chris!
03:44 - This is why I HATE spiders. I hate having to kill them, but I HAVE to kill them (when they are found at places like inside my room etc.).
19:48 it's not "pounds per inch It's multiplied not divided. normally stated as inch pounds. If it wants 1 inch pound and you're 1 inch away you apply one pound. If you're 2 inches away you only use half a pound because of mechanical advantage. 2 inches * 0.5 pound still equals 1 inch pound.
Also, it's the same as how you measure torque of an engine except that's foot pounds.. but a foot pound is just 12 inch pounds.
I had to stop it at 0:33 I'm very arachnophobia and even seeing them on a screen makes me feel sick... so no can watch this one.
My bad
@@HVACRVIDEOS no worries sir.
You're not the problem... spiders are. 🤣... and my irrational fear of them.
I was going to say that the supply fan is running backwards but I have been fooled by frame rates and youtube video compression more than once.
Really now. How often do things "blow up"? Does that mean the overload trip? "Blowing up" is relatively rare. If things are potentially going to "blow up" you should know of the risk and stand aside. 'Blow up' is a bit over-used term.
Another way of evaluating your thoughts is telling it to someone else.
Question.. would a air curtain by the front doors or entry ways help?
It could help, but they wouldn't spend the money on it
If the power company loses a leg could that cause a contactor to burn?
Why were the dip switches labeled ASS? I do things like that in source code comments, but never on the silkscreen of the PCB.
Lol, I'm not sure
Duct cleaning anyone? SMFH....
When did u remodel your office
About two weeks ago, I will discuss this on my livestream this evening 11/18/24 @ 5:PM(pacific) on UA-cam, come on over and check it out ua-cam.com/users/live5ZxU8pbDIZQ
I’m a nut… LOL
I for real should have just went to school for automotive smh . Got a hvac cert in August and it’s like fking impossible to get hired anywhere
Lmao how
@ well they all just want people with experience basically
Hey Chris, are compressors like pumps that need refrigerant?
Yes, they pump refrigerant in its vapor state if that's what you mean
Seems liek the contactors are very often problematic. Why dont they use solid state relais for the compressors? Price? Or are there other reasons as well
Mainly price is the issue
@@HVACRVIDEOS as always in our society ... Thanks for the fast response!
Over here in Europe we mostly have frequency driven compressors. In fact on new units I am only aware of frequency driven systems, I don't think there are contactor based systems available anymore. Its always quite interesting how different technology is in the US
We also have inverter driven compressors, my customer just don’t choose to spend that kind of money
A single 3 phase 40A contactor is about $40. You need 3 SSRs at about $180 each to do the same job. Unless you need the SSR for control reasons, you probably won't really want to spend the money on them. The prices I quoted are based on a repair I recent did to an environmental chamber.
@@neosenshiexactly
Just a little thing, but I like how you took the screen capture video of MeasureQuick, rather than trying to record the screen of another device with your camera. It makes the readout much more readable. Probably also has a smaller file size.
Yes and yes it does I believe
62nd thumbs up
How is an HVAC unit not like a woman? Because it's occasionally satisfied.
Haha misogyny so funny.
Be better.
@@JH-tc3yu haha, says the girl. be better.
I thought it would be something about being fridged.
@@grandinosour lol
Back to talking about stuff blowing up. Dude must not have confidence in his own work to not know if somethings going to blow up or not
Am guessing you're not a trade person 😂
We all pray when re-energizing a circuit post-repair.
@@analogmoz facts haha I am always afraid when energizing a System I worked on.
I'm in IT, and I still wonder if a system will come back online after doing anything with the power. I've had at least one power supply, when being tested, turn into a micro electrical storm.
Yeah man as the others have said as a repair person your always hoping it doesn't blow up when energizing it....