HVAC: Johnson Controls RTU Not Cooling Elevator Mechanical Room (Johnson Controls Roof Top Unit)

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2 ай бұрын

HVAC: Johnson Controls RTU Not Cooling Elevator Mechanical Room (Johnson Controls Roof Top Unit) Johnson Controls RTU Not Cooling Not Heating / Johnson Controls RTU Not Working /Johnson Controls RTU Troubleshooting / Johnson Controls York RTU Leaking Refrigerant / Johnson Controls Evaporator Belt Replacement / Johnson Controls Evaporator Belt Installation / Johnson Controls RTU Wiring / Johnson Controls Sensor Failure / Johnson Controls Dirty Air Filters / Johnson Controls RTU Air Filter Replacement / Johnson Controls RTU Air Filter Installation / York RTU Not Cooling Properly (York Packaged Roof Top Unit Troubleshooting And Repair) York RTU Low Superheat High Subcooling (Rooftop Package Unit High Head Pressure) / York RTU Not Cooling /York RTU Not Heating / York RTU No Heat / York RTU No Cool / HVAC Troubleshooting / AC Air Flow Troubleshooting / How To Clean Condenser Coil / How To Clean Evaporator Coil / How To Clean Air Conditioner Coils For Air Conditioning & Refrigeration Systems #HVAC #RTU #jumpermantech
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Пікірлер: 124

@user-qx4sm9gu6u 2 ай бұрын

Those York/ Johnson Controls units are not very used friendly. I talked to tech support a few times about these units. From what I gathered these units are supposed to be programmed at the factory to the specs of the installing company and or the client. I had one that the software was corrupted. I had to download the software on my laptop to a thumb drive and then transfer that into the board. Most of the errors codes were because the sensors, oa,ra, static etc were never installed. I'm glad that I'm retired now because this new technology is great only when it works... good luck!

@JumpermanTech 2 ай бұрын

Definitely not user friendly. I will probably end up talk with tech support once the leak is repaired (If the proposal is approved) Thank you very much for your input. All this new technology just causes many failures. Definitely have errors of sensors that are not even installed. There could Definitely be a software issue here. I'm glad you are also retired. Hope you enjoy it👍 Thanks for watching! 🙏🔧⚡️

@robertdavis6708 28 күн бұрын

@@JumpermanTech Johnson Controls don't want you touching their equipment man. They have their own techs to do the dirty deeds. Like John Deere, nobody wants to disclose their design secretes.

@Eremon1 2 ай бұрын

Looks like the guy that built the ladder also was working on the cooling unit at some point before you got there. 🤣

@kmjpcm63 2 ай бұрын

Mr., Jumper Man, the wiring on fire detect. systems are supervised circuits. Meaning they must remain in tacked at all times. An open circuit should register an alarm and horn at fire panel. There are major issues if fire trouble alarm did not operate or if it was gagged.

@JumpermanTech 2 ай бұрын

Thank you for your advice! Makes sense. The fire alarm relays itself must be hacked because this alarm is not jumped out/bypassed, it is literally disconnected. It would have probably set off alarms. I will make a note of that and speak to the fire alarm company if they approve the proposals here. Thanks for watching! 🔧⚡️

@chewielewie6564 2 ай бұрын

I enjoy watching your videos because I do supermarket HVACR and it makes me feel better that I don't have to go through what you do to just get to the equipment you have to service.

@JumpermanTech 2 ай бұрын

Haha I definitely get into some FUN places 😂 Thanks for watching! 🔧⚡️

@michaelpaulsen64 2 ай бұрын

I don’t know about New York, but in Chicago and surrounding suburbs the fire alarm companies refused to go on the roof maybe it’s just the ones we deal with but it’s either electrician or the heating and air guy that takes care of it. I’ve had to wire them into the RTUs or any HVAC equipment most of the times. They don’t even go on a ladder. Tell you the truth. I hope they don’t get paid that well because he’s Primadonna around here, don’t cut it in my book

@gordonpotts753 Ай бұрын

I really like how organized u troubleshooting and repair the unit. Curing the simple shit 1st. For the record York/JCI had big problems with their microchannel condensers.

@jrh86 2 ай бұрын

Crazy place for these economiser controls...mad 😂

@JumpermanTech 2 ай бұрын

It is. Designed to rust out get wet & fail 😂

@dlo4262 2 ай бұрын

Currently in refrigeration considering going into controls, i appreciate this video a lot been trying to learn the basics these past couple of weeks glad to see this.

@JumpermanTech 2 ай бұрын

I appreciate that & thanks for watching! Stay tuned for new videos every week🔧⚡️

@user-qx4sm9gu6u 2 ай бұрын

My advice is to definitely get into the control side of the trade. Take night course if they are available, I know it sucks and might cost some bucks. However this is where our trade is heading. They still need technician out in the field that's never going to change. This trade like all the others is brutal on our bodies. You can be the guy after a few yrs learning the basics of HVAC control and programming and find a company that's willing to take you on as a apprentice in controls. I've seen it happen for a company I worked for. They valued their employees which is rare now days, but those companies are still out there. I took courses and got a level 5 certification out of 7 levels. Unfortunately for me it was too late, my back is a total disaster and just getting out of bed is an ordeal. I loved our trade and it served me and my family very well. So learn as much as you can and before you know it you can be the guy that can open up a laptop and help your fellow technicians. Best of luck to you!

@michaelpaulsen64 2 ай бұрын

And as for working on York of any kind good luck there mainly pieces of shit countless times doing startup on new installs major problems probably 10 different times in the last five years, don’t know why they don’t redesigned that junk

@JumpermanTech 2 ай бұрын

Sheesh. They don't make anything with quality anymore these days. Thanks for watching! 🙏🔧⚡️

@michaelpaulsen64 2 ай бұрын

@@JumpermanTech you’re exactly right even if you go more expensive top-of-the-line equipment like Aon they still suck. I’ve replaced countless circuit boards and sensors In fact they’re way over engineered and they’re expensive as hell for the parts for the customers

@JumpermanTech 2 ай бұрын

@michaelpaulsen64 I hear that! Aaon is definitely way over engineered and complicated. Especially the stuff nowadays. They have an Aaon unit that is also down here. Only a 5 year old building and I can see it had been worked on before already. Sheesh. Good to hear others feedback. Thank you for that & thanks for watching 🔧⚡️🤙

@Besmooth720 2 ай бұрын

Its been really inspiring watching these videos all the way from zambia. I actually get my inspiration from you guys hoping to reach your standards and give the very services here too.

@briancahill8512 2 ай бұрын

I watched your video and just subscribed all good stuff!! Our building was going to get one of those Johnson control units so glad we didn’t. The contractor that was going to install it file for bankruptcy and is now out of business.

@jrh86 2 ай бұрын

I love these video's so delightfully fun though informative and helpful and again fun 😂😂💯💯💯👍👍👍

@JumpermanTech 2 ай бұрын

Thats awesome. I'm glad you like these and found it informative! Thanks for watching as always 🙏⚡️🤙

@dutch661 2 ай бұрын

Id be questioning those condenser fan blades. That seemed like alot of shaking to where out all those screws

@JumpermanTech 2 ай бұрын

Good advice. Something to look more into. Luckily for now, I was able to quiet it down. Thanks for watching! 🔧⚡️

@joshperez7731 2 ай бұрын

Learned a lot from this video as I do all your videos!

@Eddy63 2 ай бұрын

Another nice job ...Keep us posted on the follow up ...Thx

@JumpermanTech 2 ай бұрын

Thank you Eddy! I will keep everyone updated if they approve the proposal👍 Thanks for watching 🔧⚡️

@genewheeler6320 2 ай бұрын

Wow . No maintenance kills these units. Corp doesn't understan

@JumpermanTech 2 ай бұрын

For sure. No maintenance is a killer and these units are very expensive. It's a MUST to maintain. Thanks for watching Gene! 🙏🔧⚡️

@genewheeler6320 2 ай бұрын

@@JumpermanTech always bro

@JumpermanTech 2 ай бұрын

@@genewheeler6320 🙏🙏🙏🤙

@stevencossaboon3237 2 ай бұрын

Great job Jumper man.

@JumpermanTech 2 ай бұрын

Thank you Steven! 🔧⚡️🙏

@Adeadcop702 2 ай бұрын

Who died over here 🤣

@JumpermanTech 2 ай бұрын

😂😂😂🤙🔧⚡️

@rjeepster8640 2 ай бұрын

I use a company called RAHN Industries I believe it’s in El Monte California. They make replacement coils that are not micro channel. I’ve been using them for years they doing pretty good products.

@tresmoore6199 2 ай бұрын

Yo this was one was wild from the start Jumper!

@JumpermanTech 2 ай бұрын

Facts! Good to see you here Tres! Thank you for watching! 🙏🔧⚡️

@michaelpaulsen64 2 ай бұрын

You could probably go into the settings if I’m not mistaken and close that economizer completely 0% because you don’t need that in the elevator room that’s just minimum fresh air when you’re dealing with like an office or something where there’s a lot of people if you want maximum cooling I’m sure that elevator control room gets hot. I’ve dealt with those rooms before.

@JumpermanTech 2 ай бұрын

Facts. You need fresh air by code in common areas like lobbys & gyms. This room definitely gets hot and an economizer isn't exactly needed here. It would let in a lot of moisture that the AC is fighting against trying to remove it. Wear and tear. Thanks for watching & for your input! 🔧⚡️

@sherwinalvarez7365 2 ай бұрын

Yeah inwas thinking the same thing.

@jordanchinh9832 2 ай бұрын

I really like your post thank you so much I

@JumpermanTech 2 ай бұрын

Thank you for your feedback & thanks for watching! 🙏🔧⚡️

@rjeepster8640 2 ай бұрын

That’s the frustrating part of the newer units. They shut themselves down sometimes for simple things on Trane. It’s an outdoor ambient sensor on the York. It could be anything. That’s why I like just pressure sensors for the refrigerant. Maybe amp sensors but let it run.

@zekenzy6486 2 ай бұрын

Great video as always. Good job and nice work. Thank god you have helper. With 33 floors man and hot temperature on the roof . Bring all those tools to the roof is tired. Anyway. Thank you for sharing. Love your video ^_^

@australianfridgie4469 2 ай бұрын

being a lift motor room you should leave fan on not auto. its there to control temp & humidity. running ac is cheaper than lift components. being a new building there may have been commissioning issues with fire equipment as lifts have fire service switches and can be a real pain on commissioning. definitely note on paperwork for customer to acknowledge to cover your butt. theres also the need for fresh air to pressurize room and shafts to keep dust etc out but not too much as that can cause lift shaft pressure issues,,,, iyk,yk! had issues on a few new buildings that do complete air change everyday at certain times over pressurizing lift shafts and lift doors not closing while change is happening. alot of times things are installed and designed for a reason/s that might not be obvious at the time. look like the metal mesh filter for economizer intake was on the roof over in the corner. could spray deoxit on economizer terminals and connector

@rjeepster8640 2 ай бұрын

Those York fan blades are notorious for cracking and coming apart. I would replace both motors and fan blades.

@warenmann1042 2 ай бұрын

@27:58 It looks like the fan/blade on the side that was vibrating is out of balance. Good video. Thank You...

@markcotter2355 2 ай бұрын

i agree

@JumpermanTech 2 ай бұрын

Thank you for pointing that out & thanks for watching! 🔧⚡️🙏

@JumpermanTech 2 ай бұрын

@@markcotter2355 Good to know. This unit needs quite some love. Thanks for watching! 🔧⚡️

@eruff1015 Ай бұрын

Sup bro. Some of these units don’t come with those sensors. You need to relearn the board and you can do that by navigating the board and relearning the system and it’ll erase those sensors 29:28

@user-ud5zx7ln1y 2 ай бұрын

Always curious about the cost of things. If you don’t mind what do you think is the ballpark figure to fix what you mentioned??

@mikekolczynski5665 2 ай бұрын

Get a longer hose for your nitrogen tank. Most times, you won't have to drag the tank up to the rooftop.

@shreks_loins3963 2 ай бұрын

That “Trane” thermostat is just a rebranded honeywell

@BrisBrad888 2 ай бұрын

great video, merch available at all?

@thesilentonevictor 2 ай бұрын

This is one expensive repair/ chnage out

@JumpermanTech 2 ай бұрын

💯💯💯 Thanks for watching! 🔧⚡️

@user-hf9im7xo4d 13 күн бұрын

Do you have to recover the refrigerant from both compressors And are they both connected to that condenser?

@l.crossjr 2 ай бұрын

New subscriber here. Do each circuit have their own Condenser coil and they just share the same Evaporator?

@JumpermanTech 2 ай бұрын

Thank you for subscribing! Yes, there is 2 seperate circuits with their own condenser coil but they share the evaporator coil even though they are seperate circuits. Thanks for watching & stay tuned for new videos every week. New video dropping at 11AM today & tomorrow 🔧⚡️🤙

@coreyr8870 2 ай бұрын

Should not need humidity or air quality sensor to run. You could probably relocatee the economizer with some multiconductor cable. Check for continuity on your fire alarm wires, then wire them in to interrupt the enable of the unit by following your wiring diagram

@soloralphlauren2731 Ай бұрын

in commercial is it common just to spend a whole day troubleshooting one unit? do they still stiff you with calls after something like that no matter the time?

@etchcamelia108 2 ай бұрын

Is there a temperature heat sensor w/ an exhaust duct in that Elevator room? I noticed the supply air duct... You'd think there is one and from the video it was hard to tell. Curious.

@etchcamelia108 2 ай бұрын

Or is the exhaust duct from the elevator room on the roof that I am now seeing @ 47:58???...I see the inline motor and the power is on at the main disconnect. However, seeing the Building Engineers don't perform their maintenance P.M.'s, i.e. the fan coil, the filters, etc... (super common) My question is, what is their B.A.S. heat-temp set point for the Elevator Room to actuate the damper and trip the fan motor to on? If you can, have them set it for a lower temperature than 77 degrees. Or is it like talking to a wall with the Engineers onsite? :)

@ericmodernel9205 2 ай бұрын

How much you charge per hour there? how much $$$ cost to charge

@bdude1938 Ай бұрын

You don't have to replace that whole coil...They make micro channel repair kits.

@dfirth224 2 ай бұрын

That Trane thermostat is made by Honeywell.

@gantmj 2 ай бұрын

I'd try contact cleaner and/or a tiny dremel tip to clean out the contacts on that economizer plug, and then apply some dielectric grease to all those connections to prevent future corrosion.

@JumpermanTech 2 ай бұрын

Good advice. Thank you for that and for watching! 🙏🔧⚡️

@tacydit 2 ай бұрын

No joke man 😕.

@rjeepster8640 2 ай бұрын

You need a Klein hook!

@ayoutubewatcher7009 2 ай бұрын

Why can’t my leak searches be that easy.

@JumpermanTech 2 ай бұрын

I hear that! Those get really tricky but this time I saw it before I even tested. Thanks for watching & stay tuned for new videos every week! 🔧⚡️

@michaeltran3283 26 күн бұрын

Nitro + bubbles + some patience = 🫧

@jasonjohnsonHVAC 2 ай бұрын

Should leave the nitrogen in that circuit 2. Letting it stay flat....allows moisture to intrude on that circuit. At least with positive pressure, air can't enter. Even if you replace the condenser coil, the circuit will be moisture laden whennits flat. Makes vacuum take evn longer and more oil changes on the vac pump. Just food for thought.

@jrc630 15 күн бұрын

Where did u learn all ur stuff.

@NATHANFREDERICK-rs7yb Ай бұрын

How about the reader's digest version of this?

@sheldon8115 2 ай бұрын

Do you have anything for these coils other than replacing

@JumpermanTech 2 ай бұрын

Some people repair aluminum leaks but it's best to replace it for the future. Aluminum micro channel coils are not good. I wish they made copper coils. Thanks for watching! 🔧⚡️

@angrybeavers1175 2 ай бұрын

I've repaired a bunch of them have a few out there repaired years ago still holding but they usually leak in other spots I always recommend replacing them.

@Chayton 2 ай бұрын

Open loop on a sensor means it’s shot bro.

@jimbeam275 2 ай бұрын

The Fieldpiece needs a network connection on the phone to work?? If it’s not using only Bluetooth, that’s a bad design by them

@JumpermanTech 2 ай бұрын

They use Bluetooth but I noticed when there is bad cell service, it takes forever to load. Thanks for watching! 🔧⚡️🙏

@sherwinalvarez7365 2 ай бұрын

Oh word. What about the measurequick app with fieldpiece attached.

@ILoveKittys78 2 ай бұрын

😻💚💜💚

@JumpermanTech 2 ай бұрын

💜🔧⚡️

@roybm3124 2 ай бұрын

Unbelievable, always the same shit. New units crappy installation and no service schedule. And then being surpriced when it breaks down 😢. Very dumb design with that economizer control installed in the air inlet channel.

@JumpermanTech 2 ай бұрын

Might have never been commissioned properly from the start but if it worked, that was good enough for them. I hear that. Thanks for watching & commenting! 🙏🔧⚡️

@JumpermanTech 2 ай бұрын

Facts! The design of that economizer control being at the air inlet it terrible. Guaranteed to fail. Thanks Johnson Controls! 😂🤙🔧⚡️

@spaceboy7192 2 ай бұрын

Codes you are trying to get rid of are factory installed.Sensors are field installed and missing. You have to reconfigure board program. Econo boards are junk...

@JumpermanTech 2 ай бұрын

Thank you for your input! Might need Johnson Controls tech support and advice on this one after the leak repair if approved. Definitely a lot going on with this unit. Appreciate the input. Thanks for watching! 🔧⚡️

@lachcik5084 2 ай бұрын

cant imagine replacing that coil...fuck that

@JumpermanTech 2 ай бұрын

It is what it is! I hear that though! Thanks for watching 🔧⚡️

@sherwinalvarez7365 2 ай бұрын

It's either they buy the coil and put it up there or he buys it with uncharged of course and does it. Once it's up there just remove and 1001 screws. More importantly remember where they go. 25K sounds like a place to start. You never know what you run into. What we know that they are gonna do is say it's fine because JMT made a temporary fix. Only when that dies does it now become an emergency. Emergency cost 35K tho. Nah mean. We running a bidness not a charity.

@mmorrison6775 2 ай бұрын

you have to tell the module has to be set to no economiser

@JumpermanTech 2 ай бұрын

Don't really need it in this application honestly so if it can be programed out, it could help getting rid of those sensor failures. Thanks for watching & commenting 🔧⚡️🙏

@arielhernandez2911 2 ай бұрын

I always get the humidity sensor alarm and everytime we update the software it come back smfh

@markcotter2355 2 ай бұрын

No maintenance, no wonder

@JumpermanTech 2 ай бұрын

Facts. Thanks for watching! 🔧⚡️

@angrybeavers1175 2 ай бұрын

York jci units are complete junk. The coils leak constantly and the economizer modules go bad all the time. Guess what when you replace the economizer module its prob gonna have new software version, also guess what it wont then communicate with the main control. Then guess what, you can update the main control board so it will communicate unless the board is a certain type then you must replace the main. Of course they tell you none of this when you get the economizer module.

@oldmetalguy4577 2 ай бұрын

York...yuck.

@JumpermanTech 2 ай бұрын

😂😂😂 Thanks for watching! 🔧⚡️🤙

@davidnull5590 2 ай бұрын

JumperMan, Where is your video of the coil repair? It was probably a 30-45 minute prep and repair, why not show your coil brazing video? I know it's a very basic repair, but show your repair work, people will watch. Also, learn the differences between a "water cooling tower" and a "water tank"; your words at the start of the roof part will confuse people; explain the major differences to your viewers, similar names - much different things and purposes.

@tacydit 2 ай бұрын

Way too much crap on a roof

@shreks_loins3963 2 ай бұрын

I hate anything York/johnson controls. They are all heaps of garbage no matter how well you maintain them. They’re always breaking and are unreliable.

@EBKJay617 Ай бұрын

Tell me about it 🤦🏾‍♂️ I work for one of the biggest hospitals in mass and for some reason they feel that Johnson controls is the best thing that happened to them smh. Needless to say I’m am always getting service calls because their super cool looking rtu’s fail on a weekly basis 🥴🤦🏾‍♂️😅🤣🤣🤣 but it’s ok because most issues you can fix from a computer😑

@frankg2167 2 ай бұрын

do you know a place online to study how to fix RTU? Thank you

@mitchelljohnston754 2 ай бұрын

Junk

@JumpermanTech 2 ай бұрын

Apparently a lot of others agree! Thanks for watching 🔧⚡️

@dammo361 2 ай бұрын

I wonder if allowing the board to re-learn itself maybe would of helped the situation, then again I'm still watch haven't finished video yet....🥷🧰💪

@deerams8045 2 ай бұрын

yes re-learn will get rid of all non existing sensors.

@JumpermanTech 2 ай бұрын

Thats great advice! Thank you for your input and for watching🙏 In the manual it says if it has errors for sensors that aren't used in the system, to change to economizer itself or update the software because if it's not at a certain software, those errors cannot be erased. Such a strange error. Somehow allowing the board to re-learn itself or do some sort of self test sounds like a good idea👍

@JumpermanTech 2 ай бұрын

@@deerams8045 That makes a lot of sense. Good advice. I need to look into that 💯

@subcoolu4913 2 ай бұрын

Those are "ghost errors " you need to run the relearn steps on the board. But won't effect operation

@JumpermanTech 2 ай бұрын

@@subcoolu4913 Thank you for the advice! Much appreciated & thanks for watching 🔧⚡️