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How to Install a Condenser Fan Motor. Understanding The Electrical Wiring In An Air Conditioner.
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- Опубліковано 1 сер 2015
- This video is about How to Install a Condenser Fan Motor. We Install 3 Motors and wire one with 4 wires and the second two using the 3 wire method, but each slightly different. One with 2 capacitors and 1 with a single factory setup. Explains in detail how to wire the air conditionong condenser motor in many different situations for the most diverse use.
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Today I installed a new condenser motor on a rheem, vintage 1976...The old motor was the original, 39 years old & it had 4 wires & two separate capacitors for the compresser & condenser - The new motor only had three wires & I couldn't figure the wiring out completely until I watched this video & you showed the jumper wire from the switch to the capacitor. It was music to my ears when I heard that baby come on. I had to get this done, it was 91 degrees inside the house...So, THANX MAN & much success to you all.
That's great to hear, good job that's what hear videos are for. I hope we can help you out in the future.
thanks for the video. like so many of your other comments, I saved around $500 doing it my self. $101 from the Coastal HVAC supply and 45 minutes later, I was cool again.
Thanks for the video. A suggestion would to be mark shaft, pull fan blade back off and start the motor, hold your hacksaw against the shaft and let the motor do the work.
holy dog snot! the a/ c guy came out this am and was going to charge me $450.00 tomorrow for this. I watched this, found a local parts supply place, and knocked it out in 1 hour for $110!! thank you so much, especially for really explaining the wiring part well. I'm in florida, it was over 90 degrees (107 heat index!). they were going to make us wait at least another 24 hours and you saved me $340! I think my dog would have had a heat stroke by then for real!
Wow thats great to hear, welt sounds like we deserve a good review lol www.lasvegasair.net click on leave a review.
so glad you got it fixed.
Called one said it would be 2 weeks
Fantastic video! I feel like I was riding with you on your jobs and you were explaining everything to me. You are a good teacher!
This video gave me confidence to fix my own AC fan. Might be good to point out additional pointers on separating a seized fan blade from motor shaft and importance of positioning fan in the exact spot on new motor shaft to prevent wobbles. This repair cost me $220 for motor and capacitor. Would of been $500-$1000 if a professional did it. Thank you!!
JAtube21 that's great to hear glad to help...
Cost me $54.60 Plus $11 for new capacitor !986 Bryant 2 1/2 ton. Did take pictures before I took apart.
A new motor shouldnt be more then 60$-80$. Plus 6$-10$ for capacitor
Music got me in the mood to watch it longer..great video.
Thank you for making these videos. Fot a DIYer like me, this is great. I will call the pros for the big stuff.
Great Video ! Thank you so much ! Very nice to show both wiring diagrams .
Thank you, just getting back to HVAC field after four yours of leaving an almost completed course but went to work in warehouse work because I didn't find a job when in school. actually did but wasn't making it for bills. No more warehousing for me...
You are a life saver sir keep up the good job...
Could you provide information about the bolts to install the fan ? My fan is good but the mount grill is extremely eroded. I purchased a new grill but I want to buy the replacement screws and nuts. I cannot find any information on them. Thanks 🙏
Thank you sir God bless you I just new bought a motor. I did not know about cutting the ground wired and the shaft
I didn't either attach to one of the bolts
You say cut the shaft or it will wear out the bearings prematurely.
That's hard for me to believe, it's a small amount of metal, it's all down the axis of rotation, no out of balance.
I don't see why the length of the shaft matters to the bearings.
I would appreciate it if you could enlighten me.
Well put together vid Steve! look into some stainless steel zip ties for attaching the PVC on the top grill. Likely more UV resistant than plastic zip ties. You can get them at harbor freight or home depot in the electrical dept. Rock on!
Metal wire ties😳 I will defiantly get some.
Thanks Jon
+Las Vegas Air Conditioning, Inc. Yeah sorry 😣 I made a boring vid about it a while back. This UA-cam makes us have OCD 😄
No sad face here I'm smiling I didn't see the metal wire ties but I'm really impressed because in my head that was the shortcoming 😃 thanks for the ttip
+Las Vegas Air Conditioning, Inc. That was the thought in my head too :)
Great video brother.
Charles
Well put together vid Vegas , nice job .
Thank you Justin took two days to edit
Thanks, appreciate the knowledge and clear instructions. God Bless You
Great tips.
really good video thanks
This was so helpful, thanks much!
Thanks for such a super helpful video, our Lennox outdoor unit is making noise and looks like fan motor needs to be replaced. Any recommendations, OEM part is Lennox 12Y65 Fan Motor. Thank you.
Thanks for scratching the whole top of my condenser up !!!!
Great Video Vagas
Thank you Harry thanks for watching and sharing
Is there a short cut way of taking off the fan blade, if I don't have the special tool for fan blades? What if I can't find the 1/10 horsepower motor for my condenser fan motor? Should I go up on horsepower or how low should I go in horsepower?
I didn't see u removing any condensation drain plugs
This video is great sir! I thank you and it's much appreciated.
Good job Vegas!
Awesome Nextgen appreciate that
Great video,thanks a lot
On the start capacitor you have one blue lead that comes from compressor ans one red jumber, if that is right does it matter how u connect those two leads on capacitor
If my old purple was on board (heat pump) now we need to put white on board now ?
nice job and good salsa music in the background!!!
1. Do you install the capacitor for the fan motor with the terminals facing downward or upward.2. Does it matter which lead goes into each of the capacitor terminals.
Doesn't matter which lead goes to which capacitor terminal and supposedly you will get more life out of the capacitor if you mount it upwards (the terminal connections facing up)
OK i have a problem with my outside AC fan won't turn off till i pull the breaker, i install a new Contactor 1 one pole 40 amp and disconnect the thermostat wire still won't turn off outside unit fan?
EXCELLENT Video!!!
The video was great! I enjoyed watching it. One technical infraction It looks like on the rheem unit now the blade was in a much different location. I don't know about the all the way down and back up a little technique.
Right Joe I should have mentioned if there was a housing of way or plate not sure what we can call that part of the lid. But sometimes I position the blade to be 2/3rds below and 1/3 above the lid.
Good call
I was talking more in reference to maintaining proper air flow by positioning blade properly in the fan opening inside.
Interesting Joe I always let the lid determine that for me. If there's a flange on the lid that I try to position it two thirds grabbing and one third above but if there's no flange and it's just an open hole in the lid then I do try to position it as stated in the video of all the way down and then up a little.
How do you do it Joe Shearer ?
The very first unit had no fan shroud (orifice) so that one is probably fine close to the motor like you had it. I usually measure what is was from factory and put it back there. Now the rheem unit did have an orifice inside the unit and that is one I would have measured for sure. And measure to something stationary like the top of unit so that the difference in motor length does not mess you up. Lastly the carrier orifice was integrated in the top of unit so it should be measured as well. I usually see fan blade leading edge just 1/2-1" inside the lip of orifice. If there is not a factory motor to reference.
Question: I was taught to always pop the little plastic drain plug from the down facing side of the new motor for water drainage. Is that correct? I never see anybody else do that. Am I doing it wrong?
+trackontube you are correct, I do that as well. I may have overlooked that detail when editing this video but you are correct in stating that needs to be done.
What if you kind of like didn't do what you just said lol I've done fans before and have never noticed what your talking about lol
I just recently hooked up a condenser motor as you outlined in your final example (white to capacitor, black to board, and brown to capacitor) and noticed my fan seems to be running in the opposite direction. It was a reversible motor so I flipped the wires at the motor and all is now running as needed. Any reason why the motor would run opposite as intended though?
Timothy Bryant some motors have reversible lead wires it’s the extra four wire plug into each other is if they switch them there’s only one other way they can wire and then it reverses the rotation.
Does the motor need to be replaced with the exact same motor like amps, hz, hp wise? I have a pretty big central a/c unit i have searched for hours, I found 1 fan (edit - Fan Motor) matching every single spec of my current motor. But it’s almost $300. I am pretty good at electrical wiring a/c and d/c. But I’m not very knowledgeable about these things. I would love to spend 100 and be ice cold again. Thanks for the video though!
What should the amp draw be? Does it depends on the Capacitor or the size on the unit?
Hello how you doing, just ran into your video, why do you talk about two-way capacitor versus a three-way capacitor what is the benefits between the two and do you recommend just doing a three-way capacitor
They both work the same, it’s preference. Some systems will have a seperate 2 pole capacitor for the motor and another for the compressor. And some systems have a 3 pole capacitor, where the motor and compressor share a common terminal and each have a pole so they share the same capacitor, on this one pole is rated for example 5mfd and the other may be 69mfd. The 3 way is more common nowadays
Great Video ! Thank YOU ! Good info.
Looking down should the fan turn clockwise or counterclockwise?
It should be pushing the air out. So the blades should be scooping the air and pushing it up.
what is the advantage/disadvantage of using a 3 way capacitor with a dual capacitor. My new motor shows a diagram with an added capacitor, leaving the FAN connection empty on the orignal cap.
1mcobb there is no three way capacitor.
Ok thanks I loved the first part I'm a Chica so I hope I'm doing it right I only have the two wires left.
Excellent...!
Thank you so much for the informative video!!! Cost me $200 for the Condenser Fan Motor. It took me about an hour and a half to install the new one, since I have to watch your video several times to make sure that I'm connecting the wires properly.
Off topic question, I live here in the Sacramento area and we get an occasional consecutive triple digits during summer and the Condenser unit doesn't come on (fan motor running only)... I typically hose down the outside housing unit to get it running. Would you happen to know if the A/C unit needs to be recharge??? Thank you in advance.
Yes, probably needs recharge or maybe some refrigerant recovered as its overheating. That means probably overcharge. Or it's got a dirty condenser coil
love the music, ,,in reality this job is very hard
Why did you cut the shaft? There’s no need to do that?
To void the warranty.
good video and love the salsa music than the snake dancing music!!!
I'll be replacing a 2-speed condenser motor and capacitor later today. The only doubts I have after watching 5 videos is they all seemed to be a single speed. Oh well, I'll cross that bridge when I get to it.
good video
Great job man...Other than a bad motor or a bad Cap, is there any other reason why your motor would trip out on Thermal?
Not really unless it was getting the wrong voltage or had too heavy a blade but that's not normal to find.
ok bro...good looking out...I figured, but weirder stuff have happen in this service life
if the shaft wasn't cut would it shake and wobble after instillation? the 3 techs it took to fix my air conditioner failed to do it.
Martin Riggs yes if they didn't cut the shaft, it will wear out the bearings.
Mine hit top of compressor
@@StephenShares How so?
Question: In the last setup, there was only one capacitor, instead of two as in the the first two examples. Why did you only need one capacitor in that example, but two in the others?
I just watched a few other videos and found the answer to my question. :)
Ah yes, it was a dual capacitor good job finding your own answer
Las Vegas AC: I have learned a TON from watching your video. It was EXCELLENT! Thanks : )
With a three wire motor don't you need a dual capacitor (3 sets of prongs)? At 15:00 you only used a single capacitor (2 sets of prongs).
On the old Rheem why did you jump the old cap to the new one. Could you have deleted the old cap all together
Barry G that works I was just showing multiple different ways to do it it all works
found the problem the wire C on the compressor was burn disconnected and shorting the R wire stuck together.
Fan won't move in the unit. I had to push fan with wire and it will work. I replaced dual capacitor and fan motor. Still fan won't start it self. if I push it will start. Need help to understand what is the problem.
Sounds like a capacitor is not correct uf rating to gives it the go. Someone confirm that please.
Does changing the capacitors and or fan motor help with energy savings?
Nope...
changing a weak capacitor will not only reduce power draw but lengthen the life of the motor. Use amp clamp before and after and see for yourself.
What would be the cause of high amp draw on a brand new motor? thanks.
Clark _Elite maybe dirty coil
hi i have a question does anyone know if you can replace a 1/8 HP motor with a 1/3 HP motor? if so would it be the same process because i seen on ebay a 1/3 HP that comes with its own capacitor so i was wondering if i can just fully replace the non working 1/8 HP motor and also take out the old capacitor so that i use new motor and new capacitor it came with pls let me know if anyone knows if im correct on that.
Yes a 1/3 can replace a 1/8 but I would go with a 1/4 you can find a 1/4 with or without the cap either way is ok as long as it rated to handle the amp draw.
1/4 all day don't go 1/3 although it will work it will rattle and probably won't last as long.
because this is the one i want to buy but the capacitor comes with connection that has 2 plug each with 4 pins and i think in your video it has for 3 part connection so just wondering how to connect this one on this link that it comes with: www.ebay.com/itm/D7909-Fasco-1075-RPM-AC-Air-Conditioner-Condenser-Fan-Motor-1-4-HP-Capacitor-/371355814093?hash=item56768808cd:g:988AAOSw~gRVguJh
That motor will work fine you can order it and that's a four wire motor but you can wire it just like a three wire motor all you have to do is take the brown wire with the white stripe and Wirenut it don't use it, just use the other three. Or you can just wire it before wire Methen put the two browns to the new capacitor and the two power legs to the contactor and you're done but the video you're commenting on has three different examples of the condenser motor and I wired them three different ways for your reference
+Las Vegas Air Conditioning, Inc. cool man your a huge help!!
No problem if you're happy with the service and help you received rate us on Google
good job.
why is the new fan motor making so much noise? what is that humming noise?
Thank you very much , is there spouse to be jumping wire .?
Can anyone diagnose the problem with the AC in the background around 16:50?
luv that music
What size is that rudd capacitor ??
how do you know how much amps are needed ??
On the 2nd replacement you didn't remove the drain plug..
so, is the motor supposed to run clockwise or counterclockwise?
carapungo whichever direction that will cause the fan to draw the air away from the condenser and out the top. So the fan motor is mounted upside down. I think looking down into the fan motor, maybe counterclockwise.
Used saw zaw to cut shaft
Nice video. Pick yourself up a cordless grinder and ditch the hacksaw. So much easier. Lol
Yeah or a cordless sawzaw, wait I believe I own one of those. Damn it walked off like so many others.
Why don't they just use a 1/4 or 5/16 nut. The 11/32 is just a joke.
They want you to carry just one more tool zeke montgomery
Saw Zaw
Why not clean it first before installing the motor? you already had it apart..
I’ve been watching these videos for about 2 days now, and your video was the only one that cut the shaft ??? Why is that ???
Because it's not needed whatsoever
It’s better to cut the shaft, that way over time it doesn’t lean a little and wear a bearing. The manual says to cut the shaft if you don’t well most people get away with it because it’s not that serious but it can wear out your bearing.
Short answer cutting the shaft is the right way
Hi
I need some help with my home ac. I changed the magnetic contactor and the capacitor and the ac worked for a week and now it stop working. Now it clicks only nothing else. Can someone please help me.
I wish the camera was better positioned.
I just came here to dance.. 🕺🏽
but the zip ties will eventually break from heat
Three way cap ??? It's called a dual run capacitor ....
you said below to rate you on google if you helped. I have never commented before on-line, so I'm kinda ignorant on how to do that! how do I rate you on google?
Go to Google maps, search his business, & you can rate etc from there.
Attaboy Brock Shields thanks
an extra ground wouldn't hurt. IMO
and it's required according to NEC!
I never cut the ground wire, it's there for a reason..
My system has lasted about 27 year as far as condenser fan goes! That's all that's wrong with my system is a bearing gone bad in condenser fan motor. The old stuff last forever!!!!!!
86 Bryant. Wife says she want's it replaced before I kick it.
its hvac music guys get use to it..lol
Oh no. I didn't see where he cut off the excess arm shaft, so as not to get premature bearing wear, like he did in the other video.
ron diederich watch the whole video
It might hit top of compressor also I you don't cut
CHA-CHA-CHAA!!!
This is UA-cam, but I dont hear Dubstep... does not compute
This music is irritating
Sorry but your wiring explanation could not be worse. If I was an expert I would not need a video. Show me what you did please. My old motor did not have the second little capacitor. But the new one does. 🤷♂️
Music sucks -no need for it-Ground wire never must be cut
The motor is mounted directly to the metal chassis. The ground wire on the aftermarket motor is not needed.
To the flock of DIY’ers hovering around this video in celebration of their new found technical skills: The great part of doing it yourself is obviously saving money......the bad part of DIY......you did not have a trained technician at your unit during this repair. So you’ve missed an opportunity to have a trained person diagnosing other issues that will COST you way more than that $200 you saved on the motor repair.
Why did your motor fail? Hmmm don’t know it just doesn’t spin so I “fixed it”.....let it run another 5 years with issues you couldn’t see through your DIY goggles and add up the utility costs incurred by running your unit low on charge from a leak, high head pressure from a plugged coil, a bent fan blade running backwards and an evaporator that has 10 years worth of your wife’s hair living in it. But keep on keeping on.....show your kids how to DIY so they can half listen to the half you know.....then they’ll end up with a 1/4 of the required knowledge and end up as my useless apprentice who texts all day while I explain things he has no interest in. 👍🏼
Trade labor shortage in summary ☝🏻and it’s all the DIY money savers fault. Lol 😆
sir youhave job visa please send me I'm working in gulf country Oman Muscat
Music in this is totally annoying. Why can't you just use talk over only.
I stopped watching the vid and started dancing.
I think there is another unit next to him so it would have been 22 minutes of humming.
Horrible stupid music lol
Great video thanks a lot