Industrial Air Conditioner Not Working

This was an interesting, no cooling call on a industrial air conditioner, after checking the vitals of the system I was able to determine the issue and address it.
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[@802OutdoorAdventures]

A few years back our apprentice took it upon himself to change the final filters on the hot deck/cold deck unit. Instead of shutting it down through the BAS he just used the disconnect to kill the power. The BAS thought the unit failed so the steam valve failed open. When he restarted it, the air was hot enough to melt all the fusible links on the fire dampers downstream. Made for a fun afternoon. Great video by the way, thanks for putting it up.

[@HVACRSurvival]

Wow that's a great point to mention about shutting it down from the mbs. 👍👍

[@throttlebottle5906]

LOL

[@larryfried7742]

That equipment looks like it was installed by George Westinghouse personally. Should really be in a museum. The Franklin institute has a Baldwin locomotive. That stuff would look great right next to that. 🙂

[@HVACRSurvival]

🤣👍👍

[@johnbell6956]

Looks like big fun. Great work. I was working on a live 460v panel and making a list of what was needed. The plant engineer came by and started to reach into the panel to point out a burnt connection. I caught his hand a half inch from L1 on a motor contactor. Love those college educations.

[@HVACRSurvival]

You can't fix stupid but you can let it kill it's self

[@donaldduncan6017]

A great tradesperson is ALWAYS thinking, looking, re accessing to try and do what NEEDS to be done! BRAVO 😊😊😊

[@Eddy63]

The old beast lives to cool another day ... Great work on old equipment ... And keep us posted on your travels ... Thx

[@HVACRSurvival]

I'm inChicago already. Heading to Cali in 4.3hrs 😁

[@andyhunter4850]

I love your sarcasm!

[@HVACRSurvival]

Thank you! Some say I have an attitude...I think it's more that I have a personality and they have a perception problem. 😁😁👍👍👍

[@BubbaShaffer]

Tickled me with “must weigh a pound or two”!! Good work Rick.

[@HVACRSurvival]

It was 😁✌️

[@samuelaranda4568]

I did countless hotdecks in San Francisco. Because of the size of the equipment it’s hard to replace that system. I’m retired brought back lots of memories. Be careful and safe

[@HVACRSurvival]

Thanks Sam! It would not be fun changing.

[@gtpforever]

"Tells you everything's good" 😂🤣😂🤣

[@gtpforever]

Loved that part

[@HVACRSurvival]

😂😁😁😁

[@brushben22]

Great stuff . I started pulling all my three phase Baldor motors and replacing bearings and cleaning the windings , rotor and stator. I went with sealed instead of shielded as techs over the years have mixes greases and over greased the crap out of them. 3 phase motors are tanks but they need a little love

[@HVACRSurvival]

I hear you about the grease. Crazy stuff just people don't know that it matters

[@lqueryvg666]

"When we used our brains when we engineered stuff..." - oh yeah - completely agree!!! :)

[@roqueherrera8471]

Careful bud we need u to teach us 😀

[@HVACRSurvival]

I'm trying 😁.

[@lilpbass]

We have a lot of stuff like this at my work. The head pressure is controlled by the spring water valve. Ours are all pump and dump on well water too

[@m.konwin8372]

Awesome video!! I started at Trane in 92. Been in many of those "safe" areas. Back then you couldn't stop a Trane...today you can't even start em...

[@subcoolHVAC]

Nice job, I have several of those old Trane Ahu’s that I service. Looks like the driven bearings were replaced before( noticed nuts on outside of bearing) usually at least one original spring nut has broken on the bearing plate. Nothing vice grips can’t cure, nice setup. You must have sweat off several lbs. 😓

[@gtpforever]

By the way KZbin keeps changing my notification preference for your channel. Might want to randomly let people know to set it properly.👍🏼

[@HVACRSurvival]

Most people don't click the notification bell, 20-30% .😧 must find the video in there preview window

[@elBusDriverKC]

Just put in a 7.5HP motor and that thing was a beast on it's own. 90 pounds.

[@stanleyroberts2461]

I remember those hot and cool decks water cooled systems. Thanks for bringing us down the memory road. Wish i had the lifting cranes back in my day. Great channel ,Thanks for teaching us old guys!

[@HVACRSurvival]

🤫😁 I'm the old guy now, I'm double the age of the current new guys🤦🏻. You can see that lift at kzbin.info/www/bejne/bHicZoVpoNepo8Ufeature=shared

[@keithpeterson751]

The maintenance guy dropped the f bomb 😅

[@HVACRSurvival]

I wondered if it came through loud enough to be heard 🤦🏻

[@natepeterson7145]

You can go hang out with Chris in Cali. Just watch out for cancer prop. 65.

[@HVACRSurvival]

😁👍👍. He's about two to three hours from me. I've been talking to him about it. It depends on scheduling. Hopefully it works out

[@Ted_E_Bear]

Rick, thanks for sharing your experiences !

[@abc-coleaks-info3180]

Great video as always Rick. When you get to NM: if you are to work in Albuquerque, ask where the War zone is so you can know to stay out of it (damn thugs blasting each other pretty regularly). If you are in Santa Fe, take your lunch at Horseman’s Haven but I warn you, order your green Chile on the side! I love the place but if you are not accustomed to very hot Chile it will melt your tongue. Just follow the directions on all the warning signs!

[@HVACRSurvival]

Thanks man! I'll see if I can find the food and avoid the other.

[@richardperrin391]

Come to Australia.. we have a job ready for you!

[@bradmironik6137]

Interesting to see a setup for just comfort cooling. I enjoy reading the comments from others who have been exposed to this. Excited to hear about your travels out west. Thanks again for sharing.

[@steve19841117]

Man! I don't know when I can be good like you. You know everything!

[@mitchell8204]

Have faith Steve. Learn something new every day and you'll get there.

[@HVACRSurvival]

@Steve dude it's a slow process, all you have to do is want to get better. I didn't wake up knowing what you see on the videos, sometimes I learned about it minutes before I recorded it. Other things were learned by screwing up.

[@randomrefrigeration4564]

Amen to that Rick I have made so many mistakes over the years and learned from them all No way we can ever learn everything in this trade but they all the work the same Comp, metering devices, evap and condenser

[@johnwalker890]

Great job Rick, Industrial motor repair and controls, You got skills Rick, And do watch your videos all the way through, just not a master crafter, just an average retired maintenance electrician, only do small jobs for friends and family. Good job again.

[@HVACRSurvival]

Thanks John, I appreciate the support! Especially from my peers that have more years in than me.

[@EverythingHVACR]

Wow, that was fun!

[@chilledguy-appliancesensei]

Great video! Just never know what equipment were going to see you on next. Impressive 👌

[@shadowbanned69]

Welcome to maryland boss...want a good crab cake? stop at timbuktu in hanover..damn good cream of crab too!!!!

[@HVACRSurvival]

Cool. I'll see how close it's to where I'm going to be

[@chainoflakesrefrigerationa2906]

If you come through central Florida on your travels, reach out. Would love to buy you a beer.

[@HVACRSurvival]

I don't think we're going that far over before cutting north but if so I'll reach out.

[@FPHA697]

Best HVAC KZbin channel out there! Nice job Rick!

[@HVACRSurvival]

Thanks man! 🙏🙏🤜🤛

[@restaurantrepairs]

Very cool to see something different. Thanks for sharing. Safe travels.

[@HVACRSurvival]

Waiting on the first flight now. 😁👍👍

[@alanr585]

Yeh, loved that.

[@helmsajr]

Great job Rick has always.

[@eastcoast186]

Thanks for the video👍

[@HVACRSurvival]

No problem 👍

[@Kevin-wj4ed]

I think it's time for new equipment!!!!!!!!!!

[@stephenbullock-yn3vh]

Excellent work 👍

[@HVACRSurvival]

Thanks!

[@danpresson]

Your so smart I wish I could have been your apprentice

[@HVACRSurvival]

Good editing😁. Thanks Dan!

[@ausseamore8386]

Thanks for your efforts to share

[@thesilentonevictor]

Good job rick

[@Tigerhawk1981]

was wondering if there was going to be a new video & poof there it is, Epic job

[@HVACRSurvival]

Busy day Sunday, I finished late with the video, I'll have all week to make videos as I'm traveling across the country babysitting a HVAC transport trailer.

[@randomrefrigeration4564]

Thanks

[@zekenzy6486]

Great Video. Good Job and Nice Work. Summer is hot. I'm sweat too

[@SKaKies2228]

Where are you heading to in maryland? I’m near the eastern shore/ Delaware area 💪

[@johnstrh1]

its really impressive how many systems you know how to work on. I have kind of an unrelated question though... how much time does your dispatch give you for a call like this? I'm in Resi (trying to get out) and we have to know whats wrong within a half hour, and I bet it could take that long just to get to one of these units in a big factory lol

[@drewc7479]

A mechanic like this generally doesn't get questioned on time because not everyone can walk up to this kind of stuff and work on it / troubleshoot it. The time takes what it takes. I always generally think in half hour- 1 hour you should at least know what's generally going on and what path you'll be taking . But ya getting to some equipment definitely takes time even getting into buildings

[@drewc7479]

Obviously, digging into issues takes time past that initial walk through

[@HVACRSurvival]

@John, I take my time and take whatever it takes. Normally they don't bother my much unless we're real busy.

[@DWAYNE2ism]

Great works

[@Republican317]

Pretty badass 💪

[@dgpipefitter]

why did have a 2belt sheave on the motor and a 3 belt sheave on the AHU? great video use to work on a lot of these units

[@HVACRSurvival]

That was a weird pulling, it had a 1 3/8 on one side and 1 5/8 on the other. It only had two shieves the other the one had three.

[@dgpipefitter]

I used to work on a lot of those industrial AHU Those big trane piston compressors are a pain in the ass hopefully you won’t have to rebuild one

[@dgpipefitter]

Thanks!

[@HVACRSurvival]

Thanks pipe fitter! Your awesome 👍👍🍺🍺

[@roqueherrera8471]

DUUUUE U A STRAIGHT GOLIATH BRUH 🐉

[@HVACRSurvival]

Thank you! You're to kind🤜🤛👍👍

[@tobyoverton_hvacr]

Any reason why you used a two groove motor pulley when the driven pulley has three grooves?

[@HVACRSurvival]

It was like that prior to me.

[@jasontexter1721]

Those old semi hermetics are bulletproof I have a carrier water source AC from 1990 that ran with a blown out suction Schrader for like 3 days.... it was smoking hot, tripping on thermal limit. Pulled a vacuum could smell it was COOKED but it ran when I bumped it🤷‍♂️🤷‍♂️. So put a flare cap and leak lock on the service fitting pressure tested pulled vacuum and added Freon. Ran it 3-4 days until the old filter dryer plugged up then changed the filter dryer and it's still running 2 months later. Oil looks like an old diesel with 25k miles on it but it's still running 🤷‍♂️🤷‍♂️🤷‍♂️ waiting on approval to abandon in place and run the ductwork to a package unit outside 🙈🙈 It's a huge 15ton water source AC with electric heat, probably weighs 3000lbs 🤣 Evap coil still not leaking, wonder why 🤔🤔🤔

[@barlevari5841]

What kind of marker do you use? Never seen one that writes on black

[@HVACRSurvival]

Blue uni-paint. amzn.to/3ECA738 amzn.to/3EHPJT4

[@justinhayward5027]

👍

[@steveblake8766]

652 thumbs up

[@JP-sd2cw]

What you use for a straight edge?

[@HVACRSurvival]

Normally an aluminum yard stick, but I used another uni-strut piece.

[@nathanhurst5155]

Old beast prolly got another 20 in er

[@HVACRSurvival]

😁 probably.

[@harrydickson4575]

👍👍👍

[@randomrefrigeration4564]

Comment

[@alistair1978utube]

Downvoted for spelling mistake in thumbnail. You're (not "your") going to be cold.

[@HVACRSurvival]

I'm a crap speller

[@randomrefrigeration4564]

Lol

[@BdubMack]

Those dinky fans make all the difference between focusing on the work versus focusing on your life. Awesome video, Rick. You are a mighty mighty hvac man.

[@HVACRSurvival]

🤫🙏👍👍 Thanks brother!