WALK IN COOLER NOT WORKING 

Haven’t watched it yet but I know it’s gonna be great !!! Can’t wait to explore with you Chris !!!

*click, bang, literal internal screeching* "Well that compressor sounds healthy!" That made me chuckle not gonna lie man

That's a magic recovery tank. You can keep reusing it and it never fills up

Don't you just love when you fix the issue and find another issue, then fix that issue and find another issue?

I’ve learned quite a few things from you. 7 years in resi, now I’ve moved into commercial. Love you videos, best hvac vids on youtube

Ah, the sound of a screaming compressor

Can really appreciate the wide skillset needed to do HVAC repair after watching this. I also love how thorough you are with diagnosing problems so the customer doesn't run into other problems right away.

As usual, I was cemented in place until the end of this video. Your ability to express your investigative thought process is a great bonus to your videos. Your analytical process and deductions based on gauge readings are thorough and insightful, something I'm able to recognize at this point is a must-have skill. I appreciate the time spent without comment on soldering your joints and the inspection time. I think the point was made that taking your time will save on backtracking, and preventive measures to protect components during brazing is non-negotiable. Finally, the operating analysis, after all repairs were made is a great bonus to your videos. Thanks for bringing us along. Never a wasted moment.

OMG, he forgot to purge the hose before recovering the refrigerant to his cylinder. My first boss would've lectured me lol. Chris how long does it typically take you, changing a major component like the compressor along with the other components, filter drier, sight glass etc? Your video is edited for 55 mins but how much of the editing do you edit. Do you teleport to the supply house to get the compressor and the misc stuff? Are you some kind cyborg human like the terminator that terminates hvac equipment and doesnt need to eat lunch or take water breaks? Lol

I understand it's sun protection, but if i saw a guy dressed like that on a roof with a torch i wouldn't presume he is repairing something 😄

I am Network Engineer, not an A/C guy, but after watching your videos, I have a whole new respect for what you guys go through and all the techniques you use to troubleshoot. Keep up the great work.

You, sir, are a real technician worthy of the title! As well as being a talented craftsman who cares about the product. Mega Kudos!

I don’t get it, you changed almost the whole unit component; why not just replaced the unit itself?

I just made the transition from commercial/industrial hvac to refrigeration and I'm addicted to your videos I've learned more about refrigeration by watching a few hours of your videos than I have in my entire career.

I know you measured the pan you put the oil in and then subtracted it, but it might be easier if you just zero it out with the empty pan on. Then, it's just weighing the oil

i wanna work with this guy so bad i would do it for free and i'm not even remotely joking

wow talk about digging your way into a hole so the compressor died sending the pressure switch off and that made the switch go on and off till it failed so you get to dig your way into a literal cluster f

by pass dosnt mean bad comp its hi pressure because txv bad contactor bad couse short cycling comp could be bad but i would have got gas out see if comes out of by pass if did would tell u restriiction just a thought we do our best and try to do whats right

That bad compressor sounded like a sci-fi horror movie scene.

Legend. I'm 2yrs deep (mostly residential) and I've been running commercial for 3 months. Just saw my first molitron on call yesterday. Entire career has been trial by fire to this point, but I'm still here. I've watched many of your videos, but this is exceptionally beautiful. Workflow, procedure, troubleshooting, it's all here. You're a true professional. THANK YOU SO MUCH. I finally got a day off and watching this video is the most productive thing I will probably do today. The editing on this video is perfect and the number of topics you discussed is absolutely mind boggling, and yet, you make it seem almost effortless. As a green guy cutting their teeth in the field finding reliable mentors is a joke, so I am writing this to express my sincere gratitude for taking the time and putting in the effort to create such an enriching educational experience. You are the best! Thank you!

My wife wonders why I was on a service call for 9 hours!!

No matter what, I vacuum out the tank for a deep vacuum.

Wear gloves while working with refrigerant, it's cold. Frost bite blows.

I love how he does everything right. Unlike MY boss

Lol love the “some peoples kids “ hahahahaha

At what point do you change the whole condenser? The only thing left is the coil

Ty for taking the time to walk through the whole replacement. Although not my trade, I enjoy seeing what you go through to repair things properly. Stay cool in that heat!

High pressure switch designed to save the unit. Actually ends up in this case destroying the unit.

I haven’t watched the whole video yet but it seems that if it’s short cycling on the high pressure switch and when you bypass it your compressor internal relief valve opens then you have a pretty bad restriction in the system. How was the drier that you replaced?

#203 Thumbs up! Love these long videos

I had a leaking recovery tank a few weeks back. Super annoying

Loving the longer videos! Badass repair! Have you tried to point the recovery machine fan on the tank? It helps alot..don't even pull out my moleculizer anymore..sweet little trick

Chris you need a helper, to get all that stuff on and off the roof

Nice job 👍 I'm a little disappointed that you didn't show that you verified the compressor was a 3-phase before you installed. 🤣

"We'll get this guy pulled out, and the new one set in, and we won't open the plugs until we pipe it..." ***that's what she said*** Sorry I had to. 😂😂😂

I have been retired about 10 years and never upgraded to those "Fieldpiece" gauges as they were pretty new at the time. Sure wish I had sprung for the superior tools. Walking up and down from the roof to the evap section sure became a pain in the ass.

Man I wish I understood more of what your saying. Wow your a true professional man.

Binge watching the older videos here.... another walk in cooler that's not walkin' :)

80 % Electrical 20% Refer. hehe

I can tell that you may not have had any climbing experience since you step on your ropes. Then again, you’re not relying on that rope to carry your body weight. Stepping on the rope forces dirt and grit into the rope which causes them to wear rapidly under tension.

I was always told not to sweat out filters because if moisture was in the system the heat to that filter would release it back to the system. What you guys think?

You were concerned about overcharging this unit, yet you have a receiver that at 80% max fill capacity there would be plenty of room to add 2# over full charge. My guess that system could handle 10#+. On headmaster controlled units in cold environments, I usually charge @ 80% receiver capacity. I too put my hat in the ring for StayBrite 8 on liquid lines and suction lines. I reserve braze for discharge lines only. I’ve never had any issues. I’m more concerned about damaging components from overheating them than reaching any burst points. You can usually skip the nitrogen flow too with solder. Curious on your thoughts.

thats 45 fluid ounces by volume, not 45 ounces by weight. They are different.

Nice job on everything. I like watching young people in this field, when they discover the process of troubleshooting and the somewhat instant gratification it gives. Nothing is better than solving a puzzle no one else can solve. It's better than drugs, because you can get your "fix", simply by going to work, being thorough, and doing a good professional job. BTW, you may want to put some of that heat-sink on the liquid line service valve in the future, it has teflon and o-ring seals in it. Just saying. :D Great job! Keep doing these vids and posting them. You're going to find new ways of doing things as you get older and better at this job. Keep sharing them. Good luck and keep up the good work!

This is almost like Minecraft.

Thank you for another great video! As someone who used to be a frozen manager in a grocery store and now getting to see the technical side of HVACR systems, maintaining routine temp logs are absolutely no joke.

if txv was bad stuck closed probly y in by pass when in by pass

I noted you burnt your sight glass like I did using that stuff in a plastic Jar. I may considering using staybrite 8 in the future, just for sign glasses. I know supply houses useto carry them with 6" extended ends to help with that issue. That oil looked black, why didn't you use an HH drier?

I'm glad to see I'm not the only one that checks power even with the exop down. Getting electrocuted scares the crap out of me.

Just curious why you chose to replace the fan motors at this call? Did you suspect they may be bad?

sounded like it went straight into over pressure and bypassing with the high pressure switch unhooked, that made me think major restriction somewhere before your gauge, then again, without seeing/knowing the whole system layout I'm probably shooting blindfolded in the dark lol

Wasn't you decreasing the super heat and I always check the discharge line temperature also even though the high pressure was looking close other problems causing a high discharge temperature will overheat the discharge valves and breaks easily with hifh pressure but I enjoy watching your videos even though I'm retired after 40 years in the HVAC INDUSTRY iearn and find the new technology very interesting and you have good work ethics and pride in what you do

Hmmm. @41:00 you seem to be confusing ounces avoirdupois (that is, the weight) with fluid ounces (that is, volume). Liquids are almost always measured via their volume; solids are usually measured via weight. "Ounce" can refer to either measurement system, but they are not the same. So, saying that the mfgr specs "40 ounces" of a liquid (volume) doesn't mean that you can compare that to the weight of 35 oz. of oil. Bear in mind, phase-change refrigerants _are_ measured by weight, so you're used to thinking in that metric.

Love your videos!!!!! Do job link probes operates in such low temps?

Oh boy I remember the smell that comes with that. Kinda burning chlorine smell.

Dude you are inspiring. Thorough trouble shooting at its best. Most service techs just want to get in and get out for fast money, excellent job.

Is that unit only serving the one evap? If that's the case I don't see any reason why it should be a pressure controlled unit. Does Worthington make recovery cylinders?

Hey Chris, were did you do your training for HVACR? Your knowledge is amazing!

i guess TXV bulb was not touch the pipe properly ,so didnt sens suction temp correctly, coz of that valve not operate properly, then some tech adjust the TXV, refrigerant got extra block, compressor valve receive over weight and internal bypass occur, HP switch got fault itself due to continue open and closed , comp contactor got fault due to comp on and off continuelly coz no time delay or manual reset option. if ever i saw comp bypass first i remove refrigerant ,make 0 psi, on the unit charge refrigerant slowly till again by pass, and the note down the refrigerant weight and pressure and comp AMP at which point its bypass, off the unit reduce pressure little, on unit again, while running under pressure check pipe line is there any unusual temp drop like after condensor , after filter drier, after Liquid receiver, after sutoff valve, if found it mean that part is blocking refrigerant, if not found any , check TXV, make heat the bulb and check open close opration, check TXV adjustment, use screwdriver as a stethoscope and check refrigerant passing sound before and after the TXV, and if sound not constant open and check TXV strainer, could be block, if no unusual pressure and temp drop or refrigerant block, and still comp cant hold the appopriate refrigerant volume without bypass, ill go to final decision as comp is mecanically fault.

It's awesome to see you run through issues using deductive reasoning. That is what makes a great engine tuner as well. Probably 80% of the time i get a vehicle in that "just needs a tune" i have to fix issues that guys thought i could just "tune out." What most people lack is the overall understanding of the entire process, whether it be AC systems, engines, electronics, you can't run through and diagnose issues if you don't understand how the entire system works as a whole. Just to give some context of My night, it started with my water heater leaking and i went looking for info on a Tankless one and somehow ended up here lol. I will say i'm glad i found your channel as i've already learned a ton more about refrigerant systems and i will use it in the future on cars.

Great job - this is how I train all my guys to tidy up. - excellent job and clean brazing and getting all future issues too

I always preferred c cutting out the drier too prevent releasing any moisture they might have in them . Back long long time ago we used to reuse the d 48 core driers and put them in a oven heating them up release the moisture lots of drier cores used on grocery store start ups foundunits that high pressure problems have realeased some moisture and it freezes in the expansion valve and the vox tep raises up to 3233 degrees and starts operating again until freezes in txv again when you change the compressor and do it properly you remove the moisture and any non condensables that may have entered system from lowrefrigerant leaks on the low side failed low pressure switch

What's more annoying is fixing other people's mess-ups . My dad always told me and I always say if you're not going to do it right the first time . Move the hell out of the way and let the guy who's eager to do the job right the first time do it .

the restaurant should give you a free lunch if it's something you like

Glad to see your looking after yourself with the portable shade. No good you over heating along with the machine also a working lifetime of unprotected exposure to the sun can lead to nastier problems later on in life.

I watch alot of you videos and enjoy them, often jealous at how much room you have to work in with alot of these units just by pulling a one piece cover off etc, too often I've gone to to this sort of job too often I've been to replace compressors etc and the entire unit I'm working on would just about fit into the space you've got around the compressor alone, especially the temperzone and carrier units I've delt with

love watching your videos how you take pride how you explane things from start to finsh

Bro u gotta do a vid explaining how much you charge..so us new techs can see wat we should be charging the customer..

Great video Chris, those jobs always test ones patients, nice systematic approach, and a happy ending for all, thanks for the insight as always I appreciate you sharing your experiences well done bud !!

I work at a grocery store and our walk ins keep going down overnight and the company calls our store about high temps, and my manager said that he just pushes a button and it starts running again, high pressure switch?

Why don't you tie the te defrost timer pump down into the defrost timer? Or maybe I just misunderstood what you said?

You are a great teacher. thank you for the useful information.

which brand is your brazing torch..?and nozzil size? it is good flame...pls answer...

I noticed you did that trick where you take the cap off the marker with your teeth, I used to do that but now i keep a retractible sharpie in my shirt pocket. Anyway, great video as always. Thank you for putting so much time into what you do! Keep up the good work sir

Out of curiosity, why did you bother to check the old compressor oil? Did it really matter?

Crazy call! ,I have a problem Telling the customer then selling the truth of it !

I'm not a HVAC guy I work EMS but I really enjoy your videos especially the longer the ones

When you have multiple jobs on a given day do you take changes of uniform with you?

Put Silfos on the joint before you sweat it off and it’ll be super slick when you slide it into the next compressor

The discharge pressure always blows my mind. Our ambient never gets near what you have there. Average hot days here are low 80s. Anything above that and systems are struggling here.

Your work and your tools are amazing. Huge respect. Subscribed. Thanks for sharing.

thank you for giving me these videos that i never knew i wanted! this is a subject you would never ask for, but there is a LOT going on here. this is very interesting stuff to see this side of the coin when your walk-in takes a shite lol

Don’t panic when hot oil shoots into your left eye. Wear safety glasses.

I am in the process of starting my own HVAC maintenance and service business, I can only hope to be as half as professional as you!

Comment as we go, Always wear safety glasses while testing electric . Contractor- lug or screw. Pressure controls that are the pig tail style are junk.

Just what I needed a sleeve hung compressor to fall asleep to. Makes me laugh

OHave you ever had to change a 4DA-2000-TSK?

I enjoy watching your repairs, but, you talk to fast for me, I'm trying to follow you in what you are trying to explain.... but, never the less I really enjoy it

112 outside temperature = fry some baloney , sandwich with miracle whip!

thank you MR. Stephen you are doing a such great job. i was watched everysingle of you videos thank you sir.

Knew it was a bad compressor a few seconds in. Those torches are way to high as well.

oh man.. hopefully thats a corporate place. thats gonna be a LARGE bill. this is a major part of the reason why you NEVER want to open a restaurant lol. unless you got money you don't mind just setting on fire

Noticed you brazing without safety glasses bad boy

Why did u have the recovery tank upside down to recover the gas?

God job. Just a little tip. Move the buld into a horisontel posisiton. The liquid in it will work better when it is in contact with the kapillär, Sorray for my bad english. Greatings from Sweden.

Wheres the ptrap on that evap lol

Why did you change the working condenser motors and sight glass? You were a few components with the exception of the receiver and time clock from making it feasible just to change the condensing unit.

Or it’s the blower wheel that’s done maybe the belt Is to loss and the pulleys

Please put your safety glasses on. Make it a habit.

Appreciate the your workmanship.