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HVAC: York RTU Not Cooling Properly (York Packaged Roof Top Unit Troubleshooting And Repair) 

Jumper man Tech
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HVAC: York RTU Not Cooling Properly (York Packaged Roof Top Unit Troubleshooting And Repair) HVAC Service Call: York RTU Low Superheat High Subcooling (Rooftop Package Unit High Head Pressure) HVAC Service Call: York RTU Not Cooling (Package Unit Air Flow Issues) Low Superheat/High Subcooling / 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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3 май 2024

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Комментарии : 83   
@gdat3376
@gdat3376 3 месяца назад
That fan was spinning the wrong way because it was dead to begin with. The amount of air pressure with the working one caused the dead one to spin backwards acting like intake/exhaust scenario.
@JumpermanTech
@JumpermanTech 3 месяца назад
Thats facts right there. Thank you for clearing that up for many people. Thanks for watching! 🔧⚡️
@Shisnick
@Shisnick 3 месяца назад
Amen! Great catch and glad it got sorted out! I got lucky and fixed my compressor fan with a new cap! Dodged a bullet on my end, and glad you caught that bad wire/ fan! Whoop whoop!!! 13:20
@StebbyGreene
@StebbyGreene 3 месяца назад
Was about to comment the same thing. In a pinch where you can’t get a new motor (if it was bad) you can cover the top of the bad fan so the one working fan just pulls through coil and not through the bad fan opening. Still won’t be 100% but better than pulling air through the fan opening
@keithharris9749
@keithharris9749 3 месяца назад
I'd just like to add a few things for ya. Not being critical, just hoping to make the job a bit easier. When testing caps, you only need to clear 1 terminal set (i.e. the brown wire for the fans). So long as it doesn't have a path back, your readings will be accurate. The yellow wires between caps are jumpers back to common, so you're not running a bunch of wires back to crowd your contactors. This is totally normal on multi-stage. Capacitor differentiation, 99% of capacitors will be run capacitors (stays in the electrical circuit during operation). Some will be silver, some may be green(trade pro). The start capacitors (mostly a black plastic) will have an internal(large lid with 2 wires coming from the top) or external potential relay, which exits the circuit upon compressor startup due to a back EMF voltage from the compressor windings opening the relay.
@caryandgrace
@caryandgrace 3 месяца назад
Thank you for sharing this with the hvac community. Hearing your thought process as you go through the diagnosis/troubleshooting is especially helpful for a rookie tech.
@sherwinalvarez7365
@sherwinalvarez7365 3 месяца назад
PMs are not a scam. This is proof. Great video. I do reef now, but i miss RTUs this brought back memories of all my struggles that first summer on the roof. 12 hr days then go home to study what you did wrong and how to do better. Ah man great times.😂
@genewheeler6320
@genewheeler6320 3 месяца назад
Bro. I never knew that about caps. Silver being run, black plastic start cap. As usuall great job
@brokenhalo22
@brokenhalo22 3 месяца назад
Looks like that sleeve that the wires run through wasn't installed properly at the factory. Notice how far it sticks out on the left side of the cabinet, then it's short on the right side and allows the wires to rub. Might have been able to slide it over instead of doing the foam wedge, but either way good repair and I learned something (black vs silver caps). Thanks for sharing.
@himrfreeze
@himrfreeze 3 месяца назад
I Identify as a Tan wire Please don't forget that 😉😂😂 Hit it !! And let go my Egggo and Chris only one hand for safety 🦺🦺🦺🦺
@JumpermanTech
@JumpermanTech 3 месяца назад
Thats hilarious 😂😂😂 I won't forget LOL Facts. Hit that & lets get it! Thanks for watching my friend! 🙏🔧⚡️🤙
@briancarlisi2224
@briancarlisi2224 3 месяца назад
So glad you finally caught that point of rubout. You had me worried you missed the obvious but you came through for me! Keep up the good work & vids.
@JoeCdaYT
@JoeCdaYT 3 месяца назад
The capacitors with all the yellow wires is a common practice I see on units. The capacitor is sitting between the common and run winding. It makes no difference if the common goes back to the contactor or the capacitor electrically. As long as the capacitor is replaced the fans will keep working great, also including the other wire being connected and not burned in half. Respects to you over there and taking on jobs like that on the side of a building. I have enough problems being on roofs with low parapet walls.
@takethe101totarzana4
@takethe101totarzana4 3 месяца назад
Nice find on the condensor fan JMT.
@JumpermanTech
@JumpermanTech 3 месяца назад
Thank you & thanks for Watching! 🙏🔧⚡️😊
@gdat3376
@gdat3376 3 месяца назад
Bruh, I appreciate you for taking us on your POV repair videos!! Very professional and informative!! Keep up the awesome work!! Aloha from Hawaii!!
@Eddy63
@Eddy63 3 месяца назад
Nice vid & nice catch on that broken wire ... I see you got the best helper ever with you as usual ... Thx
@ORod90
@ORod90 3 месяца назад
Appreciate the thoroughness of your step by step on all your videos, it helps me to take on some of your methods as I troubleshoot. Thanks brotha! 👊🏾
@you166mhz
@you166mhz 3 месяца назад
good call on finding that loose wire ...
@zekenzy6486
@zekenzy6486 3 месяца назад
Great video. Good job and nice work. Thank you for sharing. Have a nice weekend. May I ask, I thought condenser motors is 3 phase don't need capacitor ? What is 2 pole contactor for ?
@roybm3124
@roybm3124 3 месяца назад
Great job, wonder how it snapped. Sharp edges and vibration?
@marcsmusic8182
@marcsmusic8182 3 месяца назад
Learn so much from your videos, thank you!!’ Great job 👏
@johnwalker890
@johnwalker890 3 месяца назад
Good job Jumper.....
@malambamichael8565
@malambamichael8565 3 месяца назад
It's a good job brother keep posted 👂👂👂🇿🇲
@JumpermanTech
@JumpermanTech 3 месяца назад
Thank you brother! Thanks for watching & commenting 🙏🔧⚡️
@thesilentonevictor
@thesilentonevictor 3 месяца назад
Man what a good catch you almost change a motor on this one 24/7 specialist at hes best
@JumpermanTech
@JumpermanTech 3 месяца назад
Facts. Thank you & thanks for watching! Haha I try! 🙏🔧⚡️
@stevencossaboon3237
@stevencossaboon3237 3 месяца назад
Nice work Jumper Man.
@JumpermanTech
@JumpermanTech 3 месяца назад
Thank you very much!! Much appreciated 🙏🔧⚡️
@jrh86
@jrh86 3 месяца назад
Brilliant as always 😃
@JumpermanTech
@JumpermanTech 3 месяца назад
Thank you very much! 🙏🔧⚡️
@agostinhomartins8373
@agostinhomartins8373 3 месяца назад
''That's a beautiful thing right there'' - Jumper Man Tech
@JumpermanTech
@JumpermanTech 3 месяца назад
Haha that one made my day. Facts! Thanks for watching & commenting 🙏🤙🔧⚡️
@hmrody
@hmrody 3 месяца назад
Just an observation at 26:09. Everybody likes to armchair quarterback😁. The rotation of the bad fan was backwards, so I would suspect the pull of air by the good fan is causing the bad fan to freewheel backwards. At that point, I would check power to the motor, and likely a bad motor. Just a thought... You do good work. I will now resume the video and see what you do... Thanks for the videos!!!
@hmrody
@hmrody 3 месяца назад
26:10... Eureka... Broken wire... I need to be in refrigeration... 😆
@scottmaz4063
@scottmaz4063 3 месяца назад
HOOOOOLD UP A MINUTE, WE HAVE A CONUNDRUM HERE 😂. Great job JMT
@duckenmiata236
@duckenmiata236 2 месяца назад
Yo jumper man, I love these videos bro, iv been watching them all day.. I do mainly residential hvac installs in Texas, I just got my approval to take my test for my contractors license. I would love to shift my focus towards the commercial side of the trade. Any tips on getting started or classes to take ? I’m so interested in growing my knowledge and capabilities on commercial units. Much love from Texas brother 🙏🏽
@davidnull5590
@davidnull5590 3 месяца назад
For capacitors in series, the total capacitance can be found by adding the reciprocals of the individual capacitances, and taking the reciprocal of the sum. Therefore, the total capacitance will be lower than the capacitance of any single capacitor in the circuit. Use an online calculator. When capacitors are connected in parallel, the total capacitance is the sum of the individual capacitors' capacitances. If two or more capacitors are connected in parallel, the overall effect is that of a single equivalent capacitor having the sum total of the plate areas of the individual capacitors.
@abdullah_q8171
@abdullah_q8171 3 месяца назад
Nice work 👍🏻 I thought you gone work on LG😂
@JumpermanTech
@JumpermanTech 3 месяца назад
Next time 😂😂😂 Thanks for watching! 🔧⚡️🤙
@JumpermanTech
@JumpermanTech 3 месяца назад
Thank you!
@izzybell11
@izzybell11 3 месяца назад
Interesting and helpful video. Great job JMT.
@nicolerennie
@nicolerennie 3 месяца назад
wow 🤯 excellent troubleshooting && work 👏🏼👏🏼👏🏼
@swflutka
@swflutka 3 месяца назад
The yellow wire was daisy chained. There was only one yellow wire coming from the contactor going to the first capacitor for the first fan, then jumped to the second capacitor for the second fan.
@majjatmohamed6927
@majjatmohamed6927 3 месяца назад
Thanks for your efforts jumper man
@coreyr8870
@coreyr8870 3 месяца назад
You should clamp on each motor and see if the current draws are equal. Gives an indication of a motor on the way out since you have two motors on each contactor.
@Wolfhound.
@Wolfhound. 3 месяца назад
2 sets of 2 each set runs together on the same circuit each motor is 5mf but because they run as a set its 10mf together
@toeknee3138
@toeknee3138 3 месяца назад
West 8th st.
@rightconditions2010
@rightconditions2010 3 месяца назад
Hey did you figure out the problem for those LG's of the past videos?
@mrgreen9086
@mrgreen9086 3 месяца назад
Skin color lol I remember seeing that crayon when I was a kid
@JumpermanTech
@JumpermanTech 3 месяца назад
😂😂😂
@JumpermanTech
@JumpermanTech 3 месяца назад
Thanks for watching! 🤙🔧⚡️😂
@knockitofff
@knockitofff 3 месяца назад
3:05 NEVER do that until you first know that nothing is grounded, or you could have a BIG medical issue.
@jorgeuribe4512
@jorgeuribe4512 2 месяца назад
York has the easies swap for condenser fan motors..
@dalynnbanks713
@dalynnbanks713 3 месяца назад
Helper needs some ppe on
@Suhdaht
@Suhdaht 3 месяца назад
Hey, apprentice here (also in NY). Would that small of a difference in Microfarads actually be a problem. (6:50)
@JumpermanTech
@JumpermanTech 3 месяца назад
Hey, it usually says +- 5% so above 5% or below 5% of the rating, it is starting to go bad. It would still work but its on its way out. Better to replace at around 10% at most for a rule of thumb. Good luck my friend! Stay tuned for new videos every week🔧⚡️
@Suhdaht
@Suhdaht 3 месяца назад
@@JumpermanTech Yes sir! Thanks!!
@Lazy2332
@Lazy2332 3 месяца назад
9:37 I bet that is stage 1 (the one running the most)
@smason
@smason 3 месяца назад
appeared that fan was running in the wroth direction to begin with. could have been a trick of the camera.
@JumpermanTech
@JumpermanTech 3 месяца назад
On camera it looks weird when the fans run but they are operating properly. We would have very high head pressure if it was wrong. Thanks for watching! 🙏🔧⚡️
@richardbartlett6932
@richardbartlett6932 3 месяца назад
It wasn't running it was being forced to turn the wrong way. The wire was broken..
@richardbartlett6932
@richardbartlett6932 3 месяца назад
​@@JumpermanTechyou're wrong, look again. You missed it. The fan was turning backwards because of airflow. Fixing the wire and it suddenly worked. It's a learning lesson for future. Happens a lot on systems with more than one fan. Evaporators is an easy miss as you look up and see them all turning and assume they are all good. My first boss told me "never assume" it's the best bit of advice I ever got..
@gekkedirkie
@gekkedirkie 3 месяца назад
Just rubbed out on the frame. Just lucky the breaker did not trip
@avi-tar2827
@avi-tar2827 3 месяца назад
Looks like that whole package is only on one 3-phase breaker, maybe a 50 or 100A (don't know the unit's BTU rating to tell). A single-phase short-term fault likely wouldn't have tripped that breaker before it cleared. Note the hole in the frame. That was an arc burn-through. That foam won't protect those wires very long, JMT. A plastic wire standoff to hold that bundle away from the frame would be the long-term fix.
@JumpermanTech
@JumpermanTech 3 месяца назад
Facts. Rub out on the frame
@JumpermanTech
@JumpermanTech 3 месяца назад
@avi-tar2827 Crazy stuff. I definitely need a follow up for those wires and do something long term. Thank you for the advice & thanks for watching! 🔧⚡️
@genewheeler6320
@genewheeler6320 3 месяца назад
Bet it was like a brown out.
@mmorrison6775
@mmorrison6775 3 месяца назад
the one fan is running backwards
@bakerslounge
@bakerslounge 3 месяца назад
You might be color blind.... Them condenser fan capacitor wires are brown. Or "Tan" at least.
@chrissmith513
@chrissmith513 3 месяца назад
Did you notice the one motor is turning backwards ? 😊😊😊
@richardbartlett6932
@richardbartlett6932 3 месяца назад
No he didn't TBF..
@ILoveKittys78
@ILoveKittys78 3 месяца назад
😻💚💜💚
@JumpermanTech
@JumpermanTech 3 месяца назад
💜🔧⚡️
@whoisderf
@whoisderf 3 месяца назад
3:05. Don’t do this people… 🤦🏻‍♂️ Do it the right way,
@DanielHernandez-tp2tm
@DanielHernandez-tp2tm 3 месяца назад
Common wires bud.
@user-de3cm9lf8o
@user-de3cm9lf8o 3 месяца назад
Am I tripping ? It’s spinning wrong way…..
@richardbartlett6932
@richardbartlett6932 3 месяца назад
Yes, the good fan motor is drawing in air. As air takes the path of least resistance rather than going through the condenser it draws air through the faulty fan aperture so as the air passes the blade into the cabinet it turns the blade. That motor isn't running.
@AriZonaK1DD
@AriZonaK1DD 3 месяца назад
Which one is spinning backwards
@toejam7606
@toejam7606 3 месяца назад
Corrupt NY Democrat legion, gotta be a circuit board or compressor
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