How To Wire a Furnace or AC Blower Motor
ฝัง
- เผยแพร่เมื่อ 22 ก.ค. 2024
- How to wire a furnace or AC blower motor. This video shows how to wire a furnace blower motor to an extension cord, how to reverse the rotation, what information is needed to pick a replacement motor, how the capacitor works and where to mount it, how to take resistance measurements, how to measure amp draws on each motor speed, and how to wire a motor to a furnace or AC control board. If you are unsure about blower motor wiring, this will definitely clear things up for you! :)
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➡️ For more videos on the motor - Furnace Blower Motor Playlist:
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⚠️ Disclaimer:
This video is for educational purposes. All appliance and HVAC repair work should be done by a trained professional. Word of Advice TV is not responsible for any possible damages or injuries caused by the use or misuse of the provided information.
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➡ More Videos For Further Information:
How to Wire A/C Condenser Unit: th-cam.com/video/KCanZEsLVEI/w-d-xo.html
How to Wire Thermostat: th-cam.com/video/VknvJ9POYDo/w-d-xo.html
How to Wire Air Conditioner Compressor: th-cam.com/video/GhBTVn5CHBE/w-d-xo.html
10 Ways to Splice Wires Together: th-cam.com/video/ihpNCVk1lF0/w-d-xo.html
How to Read Furnace Wiring Diagram: th-cam.com/video/2MSedAkirqw/w-d-xo.html
How to Read A/C Wiring Diagram: th-cam.com/video/2MSedAkirqw/w-d-xo.html
How to Read Water Heater Wiring Diagram: th-cam.com/video/TX8SuHK1esY/w-d-xo.html
Basic Thermostat Wiring Diagram: th-cam.com/video/jDLz3REPTWM/w-d-xo.html
How to Wire Outdoor Condenser Fan Motor: th-cam.com/video/VlMhvwrpimE/w-d-xo.html
Is Common and Ground The Same Thing: th-cam.com/video/wiKDlIlbiP4/w-d-xo.html
Electrical Symbols and Meanings for Switches: th-cam.com/video/ngQCmR_w9QU/w-d-xo.html
Ohm's Law Explained: th-cam.com/video/sILl7p_J1UU/w-d-xo.html
First time hvac diy, took my moms 30 year old furnace apart for a mighty cleaning. Thanks for the great knowledge straight to the point and very well spoken .
This is definitely the best video I've seen on here on this topic. Anybody can make a video and explain how something works but that doesn't mean it was comprehended by the viewer. You have excellent communication skills.
Your videos just helped an old couple stay in their home. Thank you
i start hvac school in august and i feel like im getting ahead by watching your videos. I wont feel completely lost now. You have a great way of relaying your knowledge to others. Thank you for your awesome videos.
That's very handy info man! I
wired my last blower motor in several years ago but had to be careful to wire it back exactly like it was since most motors I'd dealt with only had 3 wires.
Its not so complicated once you realize 2 are for the capacitor, 3 for the motor speeds to hot lead and 1 for the neutral or common.
Also love the extension cord connection.
Been trying to help out an in-law since yesterday. Doing research and finding wiring diagrams, trying to figure out how a furnace works. This video right here is exactly what I needed. Thank you!!
Hi Jay, you are the best teacher, I have ever seen. I watch a lot of these video’s, since I had some AC, DC and electronic’s, about 50 years ago in Aviation mechanic school. I also had my mine electrician certification papers.
Even though I know what are you doing, I was a HVAC tech and a Journeyman electrician, I like your videos, your style of explaining is so good...Have a good day from a Retired old man.
This channel has saved me about $2,000 in the last three years at my duplex. Great advice and instruction!
The inflation probably ate up all your savings.
@@HBPrince2012definitely, I didn’t vote for Biden though. Trump 2024!
Thanks for explaining the wiring the way I needed. Showing resistance for each speed and doing a simple bench test gave me the gist of it better than all the confusing instructions that came with the new motor.
Glad to hear the video helped! Thank you for watching and leaving a comment!
"Rotation" has two views. Shaft end and Wire end depending on how the fan blade or squirrel cage will mount or how the motor will mount, shaft upward or shaft downward. You might also comment about how to find HVAC parts because most of the supply warehouses protect their industry service tech by only selling to licensed general and/or HVAC contractors. Great review.
Thank you very much for demonstrating how to check the motor speed wires!!! On my 24 year old 2.5 ton York HVAC, both of my heat and cool board terminals were connected with the same black wire via with a short jumper wire therefore the heat mode was operating at a much faster speed. For the heat mode now, I replaced the split/jumper black wire that was going to both the heat and cool and replaced the heat mode side with the blue wire that was previously on the park terminal. Everything is so much better now. Again, thank you for your top quality DIY videos!!
I appreciate your videos I’m getting into HVAC and I’m grateful to have come across your videos.
Thank you! Glad to hear the videos are helpful! Good luck with your HVAC career! :)
Thank you Sir! My York just stopped blowing last night/yesterday... Very comprehensive and descriptive video. I was thinking my motor was bad (expensive} but I now know that I need to test my capacitor also (much less expensive) since without a good one or unplugged, the motor only hums. That is exactly what mine is doing after the gas burners heat up and I hear the click for the fan blower to kick on.
This is like going to college to learn all about hvac. Great video
Hands down one of the best TH-cam Channels I have ever come across. I am a subscriber! I really enjoy your videos and because of them I've felt confident enough to fix my own HVAC issues. Earlier this year, after watching one of your videos, I replaced the furnace control board having never been exposed to an HVAC system. Ordered the replacement board on Amazon and saved myself $$$$.
Today I was searching for a video on blower speeds and came across this one. Excellent explanation on how to test the speeds and wire them up accordingly. I've been investigating an issue where the fan on my main floor system would not operate when set to ON, but would when set to Heat or Cool. I read in the comments of another video, that the particular board I have has to have a speed wire connected to the Heat LO tap on the control board. So I grabbed the Med Hi (blue) from park, plugged it in and now the fan works in On.
But I am wondering if I should swap the Med Lo (yellow) which is currently connected to the Heat tap, with the Med Hi to ultimately increase the airflow while heating? I noticed in this video you suggested Med Hi for heat, so I was curious if the Med Lo was incorrectly connected when the system was installed. I've seen a lot of forums that have debated this and a concept about heat rise temps or something.
I'm in Chicago.start taking class and it helps me a lot.I'm from South America and always see your videos.thanks.
Ridiculously well done. You could teach the rest of the world how to do How To videos.
Thank you so much for taking your time to do this videos,you talk about every step very clear you are AWESOME! I have learned a lot from your videos last night I fixed my doughter's furnace and I did it the way you explaned in one of your videos thank you so much God bless you and all your family.
This is a really well done video. Very good organization and presentation. No extra nonsense. Just the real info needed to wire up one of these motors. Thanks.
I'm currently taking my G2 license in Canada and I'm struggling to understand my teacher even when I show up an hour early and leave an hour late. You did an amazing job explaining everything in a a simple and effect way. Going to recommend you to my class for the other students who need help. Thank you for making the video.
You're welcome! Glad to hear the video is helpful. Thank you for sharing and good luck with the schooling! (And I can totally understand that... Some teachers are easier to understand than others..)
After many books and articles read, I came by this page and you have cover more in a few minutes than hours spent reading. Nicely done A+++ you have a new subscriber here. Thanks!
It's good to hear that my video was helpful! Thank you for watching, subscribing, and leaving a comment!
Wiring mysteries revealed! Very well done! Ten years ago I replaced the blower motor in my furnace and had to hire a tech to figure the wiring out. There won't be a "next time" for my thirty-plus year old unit, but you revealed how very easy it is to do. You are wonderful.
Thanks Johannes! Sorry to hear about the wiring hardships. May your furnace still have many more prosperous years!
Just finished installing new blower motor and this video was very helpful. Thanks for all your great videos, you are my first stop for help on appliance and HVAC.
Most informative HVAC video I’ve seen I really like your detailed presentation thanks
Thank you! :)
Jay, been watching you for a long time. Your videos are so well made with close ups and step by step instructions. Thank you for all your help.
You are simply the best at making technical videos for HVAC! I have watched a lot and yours are the best by far! THANKS!
Literally the best explanation on all of youtube. Thank you.
You really do have the knowledge for what you do.
thank so large for this training and I understand more about wiring this motor...good luck
This was clear, concise, complete, and excellent. Thank you!
Glad to hear that! Thank you!
thank you, i learned a lot from this. funny how things look so intimidating, but when explained well like this, it’s not so bad.
You really know to break it down so that we the viewers get a better understanding. You rock
This helped me check my Rheem wiring to make sure I was on Lo for heat. Danka !
Thanks for the great information.I learned alot in a short amout of time.
A very good as well as easy to understand instructional video. My blower motor ''went'' last weekend due to it's bushings going bad. For some reason they didn't put any oiling ports on the ends of the motor to oil those bushings. Since it's currently in the middle of winter & I'm goin through a pretty powerful cold spell, I ''had'' to get something going quick. I had an old ''scrounged'' blower motor on a shelf in my basement that fit just fine (a little better in fact), but it was only an 800 RPM motor instead of a 1000 RPM as the original was. I like how much better this slower motor is heating my house, but since it's a single speed motor, I'd probably have some issues with the cooling coils freezing up during the summer or A/C season. Since it is a ''scrounged'' old motor, I need to replace the original with a ''new'' motor. I typically fix everything I have if I can if I'm able to get access to what I need so putting a ''new'' blower motor in my furnace won't be that hard (especially since I've already torn it all apart to try to fix the original & replaced it with another). I've researched a particular motor, but all I've been provided with is a brand name, part number, & wiring diagrams. I haven't found if it has more than 1 speed & what speeds they might be if it did. As many leads it has, I believe it surely has more than 1 speed. Since the color of it's wires are similar to those on your motor, I was wondering what the 2 slower speeds were on the motor you used in your demonstration. If I could get a replacement motor that had a slower, approx. 800RPM speed along with the 1075 RPM, I could wire in a switch so I could switch it between the 1075 RPM for the A/C season & to a slower speed during furnace season. I'm amazed at how much better my furnace heats my house after putting this 200 RPM slower motor in. It seems like the slower air flow is able to heat ''everything'' in the house along with ''every'' part of the house so it doesn't need to run as long each time it runs. I could literally feel the house getting, feeling, & staying warmer after it ran for the 1st time & it feels warmer in here even after setting my thermostat 2 degrees lower. It's been a surprising experiment I was forced to undertake in the cold of winter (it's 0 or below outside now as I'm typing this) with surprising results. I would like to know what the other speeds were on your ''demonstration'' motor. Again, well done video, Sir.
between this video and the other video on replacing a blower motor I got mine replaced and saved about $500 in the process, you are awesome! thanks so much for making the videos and answering my questions about 115V vs 200-230V motors
Glad to hear you were able to get it fixed! Thanks for coming back with an update, stay cool! ;)
Thank you very much. 30 year's on my motor have replacement part's will do my own install when needed now I know where all the wire,'s go. Enjoy all your videos
Hey Boss Man;;;I have to give you BIG Time credit;;;Just what I been longing to learn for over 2 months to use one to extract drywall compound dust from a small room....You were on point;;;Thanks so much
Thank you so much for doing these videos. I worked with my boyfriend who had an age gap with me and he was teaching me what he knew but passed away barely a week ago and I want to continue doing what I'm doing but there are areas I need refreshers in because I mostly was at his side to bring him tools and the like. A lot of it I know, but he was old school and there are things in this video that I'm not sure even he knew.
Thanks so much! I am re-purposing a blower motor and your video perfectly answered my questions.
Fantastic and easy to understand explanation of the blower motor speed settings and its wiring. 10/10 - Welldone indeed!.
Thank you! I'm happy to get a 10/10! :)
Straight forward information with clear demonstrations. Well done!
Superb - I have a degree in Electrical Engineering and I kept expecting you to make a mistake or fail to explain a minor technical detail. I could not have been more wrong. Superb !!!!!!!!!
Thank you! Glad to hear you didn't see any obvious mistakes :)
Capacitor job is to start the motor. If you disconnected the capacitor from your motor and turn the power on you will hear humming noise however if you rotate the shaft by hand your motor will start spinning to whatever the speed setting is.
Great video by the way ! Good job bro
Would the capacitor's lifespan be increased if one line of the capacitor is automatically disconnected AFTER the motor has started up and is spinning (and of course auto-reconnect it AFTER the fan is switched-off again)?
Hiring service-people to do the routine job of replacing capacitors seems to cost people a LOT of money in service calls.
Very good thought but unfortunately the circuit doesn’t work that way.
Just think capacitors are like batteries, they will lose their ability to hold charge overtime and eventually decreased their capacity below useful threshold.
@@eddo5617 That's ususally because the electrolyte degrades over use/time...often due to heat, chemical processes, over-volting, seal failure, and a few other things. But since the caps are often mounted on or very near the motor itself, of which many do get *very* hot, I was just wondering if disconnecting one, once the fan is "spun-up" would help reduce the electrolyte degradation by any significant degree. I do know that during use the electrolyte itself often also heats up to some degree...and that in turn can further accelerate the electrolyte failure. I just don't know the particulars in an AC motor circuit.
Thank you for this lesson. You sir, are a gentleman and a scholar.
You are an excellent instructor , thankyou , utube is lucky to have you on .
God bless you brother every day I learn something from you I spent alot of my time watching your video I love how you explain very great teacher thanks again for your time
You are the best HVAC guy in explanations, love your Chanel!
i can watch this again because it has so much useful information.
This is really helpful. I need to replace the fan motor on my heatpump tomorrow and when I replaced the blower motor in my furnace a few years ago i wired it to high speed because I wasn't sure. Now I can double check my work on the furnace and slow the fan down, she runs hard and is pretty high volume out of the ducts
Hey thank you so much I'm an HV AC installer mostly new construction that was so helpful very much appreciated
Very well done. Thank you. Keep those videos coming. DIY'ers love them.
Thanks Miguel!
I definitely give you props on how thorough and detailed your videos are... really good stuff. Other guys on TH-cam definitely leave out some things but you make it to where a homeowner would be able to try and tackle some of their own hvac issues. As a tech myself, I enjoy watching there videos as well since I'm fairly new to the trade. Keep up the good work and hopefully your videos don't take too much work away from us lol!
Thank you! Glad you liked the videos! And I am sure there will always be plenty of people who would rather pay someone than try to do it themselves. I would venture to say that that is the majority actually. It's the minority that watch videos like this who would likely attempt to fix their own stuff even without a video.
Man your response is dead on for the not so fortunate. 🙄
Thank you. Very helpful!
I was apprehensive at first, but this video gave me the info i needed to confirm the details i needed.
Very very EXCELLENT! Love how you covered so many different options one mite come across.
LIFE SAVER!!! just changed my motor hopefully that fixes my issue but if it does im confident ill be able to goto the next item that maybe the issue the Inductive motor
Thanks bro. Just started taking hvac classes and this was a big help!
Very well done !! If you are not an instructor - you DEFINITY should be. GREAT VIDEO!!
Yiu are the one! Joe! From Manila Philippines. Thanks a lot
My favorite Hvac instructor 👌
Thanks, a friend just dropped off a blower with a similar motor he saved out of his air handler he had replace a few years ago. Asked me to wire it to switches so he could make a simple box cabinet to use it as a fan in his garage this summer. I knew the basic principle of how they work but your well explained details sure saved me a lot of time figuring it out on my own. Thanks again for all the help. :-)
Speed and power samll wire rethion . White comon N..read low speed.. black..ac serped high..... bleu mediom low seepwhit mediom pon 110 N and mieiom poin power pont..
Brown and whit mix cap.. gerecap 2 wire .
Thanks for the help. The video gave me the confidence to change my dead blower motor.
Great lectures! Much better then my college lecture! Many thanks.
Thanks very much for the video. It's really helpful to understand the inner working of these systems
You are a natural teacher thank you
This video saved me $1000 today! Had to replace the motor and add a capacitor since my old furnace didn't have one and the new motor needed one. The repair guy wanted $1100
Best detailed explanation on blower motors. Awesome!
Thanks for the video. I have a used fan I want to DIY into a exhaust fan for an outhouse and this has been helpful.
Man I'm so thankful that you have time to explain all that for us I hope you keep doing the good work and teaching people like me with no education n on AC or heat units or electrical you definitely one of the best thank you so much
Another great video. Thank you.
This is an Excellent Video and exactly what I needed to see !
Thanks !
I guess the only thing You didnt mention was when You grabbed The Capaciter without Grounding it first .
I was told this can give you a bad shock ( unless you ground out both terminals first ) but That was just what I was told .
Thanks , again .
Awesome instructions. Love learning from you because you teach fantastic.
Thanks Robert! Glad you like the videos!
Thank you! Very helpful!!
Beautiful video. Thank you, sir!
This was pretty amazing. Very helpful.
Right on, very helpful, thanks
You taught me so much in this video! Thank you for sharing your knowledge.
Fantastic video. Very informative. Thank you so much!
What a great video explaining everything. This guy is great
I don't think there is any video or article on internet which describes wiring alone, let alone if anything can be so detailed described the subject. I am the person you can confidently call clueless. I have collected a few motors and wish to wire them, only after watching this video I could wire them correctly, thank you very much.
Great info!
Thanks dude. Informative video!!
This was complete, and excellent. Thank you
Amazing video. You taught me how to diagnose our motor. Thank you.
Great video!Thanks👍
very helpful. Thank you.
Awesome video. Thank you.
Excellent vid,thanks!
Thank you very much for your videos. Resenly,I just graduated from A/C,and your videos help me to remember and practice more.However, I subscribe to your channel,and I put hand up! Thank you very much for your help and support have a great day.
Very nice instructions. Very helpful, Thank you
Great information thanks
Excellent video. I feel confident about doing it myself. Thank you!!!
Excellent video. Thanks again. 👍👍
This was super helpful. My gas furnace blower motor is either bad or the capacitor is bad. The motor thermal protection appears to be being triggered so the effect is the motor cycles .... 30 sec run...30 sec off. This was strange and initially thought it was the control board. Then I checked that control board power was staying steady at 120 volt and all burners and controls were fully functional. I have learned a ton from your videos , thanks!
Nice job - thanks.
Good info thank you!!!
Thanks for making these videos! Very helpful!
Thank you for your video.
Excellent Video, well done