HVAC: How To Test a Single Phase Compressor & Check For Any Grounds (Insulation Resistance) Ohm Test
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- Опубликовано: 28 май 2024
- How to check a compressor for any grounds
How to check the windings of a single phase compressor
How to check resistance of a single phase compressor
How to ohm out a compressor
How to read ohms on a compressor
How to check the windings of a refrigeration compressor
How to test for bad compressor. Ohms test with multimeter
Troubleshoot a grounded (Shorted to ground) compressor
How to test a compressor - HVAC
How to test a refrigeration compressor
How to troubleshoot a 3 phase compressor using a muli-meter
How to check the windings of a 3 phase compressor
How to check resistance of a 3 phase compressor
Single phase vs three phase
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Email: Jumpermantech@Gmail.com
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OMG the way you explain it is amazing. Specially, with someone with dyslexia that makes my job so hard you just made it so easy explain it. Thank you.
You are so clear and audible. So clear and not too fast not too slow. Perfect. Thanks, so helpful
This is by far one of the best explained videos on troubleshooting compressors posted period! What a great reference. Thanks so much.
Blessed to have you making videos man. You have been an incredible resource for me learning this trade.
Nice job explaining this. Makes sense that run to start would equal two common to run and start since resistors in series are equal to the total.
Super helpful video ....and its easy to understand when we know what to look for and what not to look for ...thanks a lot
Your videos are so valuable it's crazy....I just started in the industry and I have been learning so much from your videos... thank you very much for your time and work
It good
I’m ballin like an athlete but got no Jumpa! Jumper man tech back at it again good shit bro
Lmaoooo thank you bro! Stay safe out there & stay tuned for new videos every week🔧
You made your explanation clear and simple.
Excellent video 🎉 Thank you for sharing 🙏🏾
Outstanding video - you have great knowledge of the subject and explain it clearly. Thank you
your above and behold. keep it up, your teaching
Perfectly executed thank you for your knowledge
Very clear instructions. Thanks. Allow me a little comment, the running coil should be of higher ohm(thin wiring). Starting coil is thicker wiring and thus, lower ohms.
Thanks for that great explanation
Greatest video on the subject matter.
Great information well put together. Professional video easy to understand.
super informative! thanks for sharing
Great man - keep it going amazing explanations with detail
Informative, interesting and helpful video. Great job JMT. ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
Thank you thank you! ⭐⭐⭐Stay safe out there & stay tuned for new videos every week🔧
@@JumpermanTech yo i got a question what do u mean when u say your grounded when checking the restistance of the compressor?
Seldcomprssor terminals c .s and Rare identified by measuringrheresitance ohms between the terminals usingmultimeter or clamp meter the resistance of ruing winding is low while thatofstarting windingis high when the multimeter pords are connected to twrminal R and c resistance of ruing windingor the low est resistance is indicated whwnthe connected to terminals c r and s total resistance of both qinding is indicatwd when the terminala c and s are connected to the meter the resistance of starting winding is indicated or the value willbe bet ween the abovetwo rhe high est resistace ind icated bet wen r cthe resustancc and sthes two sum of resistance of ruing betweenr and c and starting windingbwtqeen c and s is to r and s hight expls 1.2 50 2.3 30 .1.3 20 lowesr 1.2 rs 2 3 cs 1 3 r 1 r 2 s 3 c hight reding 50 medom 30 low 20 low est restnc rc highest r s 13 lowes
This is a great video for troubleshooting for a compressor to verify if it’s good 👍🏽
My guy!!! Thank you! Appreciate your feedback very much🙏 If anyone is reading this, check out his channel "Refrigeration Confidential" for some great content! Much love🙏✌
Great explanation.
Well explained material. Well done job.
Thank you! Much appreciation🙏🙏🙏Stay safe out there & stay tuned for new videos every week🔧
Great explanation
It helped. Thanks a bunch
This is good man, for a layman like myself! nice!😎
great explanations
Thank you!
Excellent video 👍
Thank you you save me a lot of money
Really good really good thank you
Supper supper helpful. Thank you very much.
Very clear thanks
Thanks a lot, very helpful
Thank you! Stay tuned for new videos every week🔧⚡️
What is the ohm readings from C - R & C- S do NOT add up to the reading R - S?
Thanks for sharing
good info thanks
Best. Explanation. Ever. Thanks! So my compressor is good, there are no shorts BUT it is not cooling... What gives if it not the relay then? Too much gas topped up last time? (I noticed the compressor was running very hot). Its a wine fridge so not as complex as a fridge/freezer...
Very easy to follow instructions. Made perfect sense. Thanks, keep up the good work.
You are the best at explaining any of this, very clear and concise!! My salute to you bro!
Thank you
Excellent..!!
Thankyou gues welcomed
Common and run show a reading of .6 while the left side show 8.6.
Making a total of 9 Which sounds good.
But is that .6 reading maybe too low indicating a worn out compressor?
Goooooood job man
Great video but does that meter go to 1 M ohm? Just my understanding u require that scale to do the insulation test?
Good job brother
Thank you very much bro🙏 Thank you for watching🙂Stay safe out there & stay tuned for new videos every week🔧
Nice video
I have a question,can you have all the winding check out good,but still inside the compressor it can be mechanically brokin inside?
What is the shell temperature allowed for compressor
thanks
in other videos it is said the Ohm's between the 3 should be more or less the same, instead of the top 2 = the bottom 2, why is that?
Hi could you please explain something to me. I have just seen a video where it is stated that a PTC is connected to the compressor and not a BiMetal cut out. Surely it can not be a PTC?
Nice
Great video. thanks. If you have a ground short or OL when checking resistance, may the compressor still run or do you only perform these tests if the compressor won't run?
Diffrant reding conunivet showing good runig starting point como n low restisans ok
This is good
Does it make any sense that my windings ohm out correctly but are shorted to ground?
Great video. How about 3phase compressor? Thanks
Thank you very much! I made a video on 3 phase compressors too👍 Heres a link🙂
ruclips.net/video/1ja1GkLWrwc/видео.html
What if the leadings are high in resistance when checking windings like cs- 35.6, cr-22, sr59.9
What if the compressor still had refrigerant charge is there difference in reading?
Really enjoyed the video. I have a chest freezer; stopped working, but caught in time to save the food.
Did the resistance check on compressor; all checked good. Overtemp switch, checked good. Relay checked good. I replaced the overtemp switch & relay; still won't work. Could the compressor be stuck? If so, how can I prove that?
Thank you.
Vrey good gueshering gues all best welcomed gues thanyou gor allgues shering gues guied allgues thkyou somuch ..
What causes running winding to read higher resistance than star winding
Thanks bro I did that on my R600 c/s give me 2 and the c/m give 2 and with the conclusion of the s/m gives 4 it’s a good compressor 😢
What if your C to S is the lower than your C to R?
YOU JUST SAVE ME $2k.THANKS
So for a Samsung Compressor with the S-C-R scheme, I get readings of S-C 7.2 ohms, C-R 7.5 ohms, R-S 7.2 ohms but none went ground to copper. Is my compressor good or bad? One more note, the compressor- MKV190CL2B is label rated as 240VAC 3 P- Huh? I'm only providing residential from-the-wall 120VAC. How can it work?
It is 3 phase, the 3 phase is created by a pulse width module signal from the inverter control board that converts single phase to 3 phase.
In the Appliance tech world we see more dead inverters dead then compressors on Samsung units.
I got compressor changed run cap but was only harm not starting
I can't find any videos on MECHANICAL FAILURES of a compressor. I have a compressor that the windings are fine but makes a ugly loud noise at start up and then trips the breaker. Anyone know of a good video to check for mechanical failures?
I have many troubleshooting videos on my channel so subscribe for new videos every week! Sounds like locked rotor on the compressor. Check the compressor specs for LRA. Locked rotor amps. Upon startup, check amps on the compressor and if it's really high and matches the LRA versus the RLA (Running load amps) then you have locked rotor and the compressor needs to be replaced. Before determining that, make sure your start/run capacitors are good. If the caps are good, your compressor is bad and needs to be replaced. If the capacitors are bad, replace them and see what happens. Most likely will solve your issue. Thank me later 😅
I'll usually run a sj cord from the vans battery to ground on the door frame into the unit. If I 1890kohmsufs to frame from van it's a working canuuter oscillator
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Nice video
However when checking for shorts a megommeter should be used.
Thank you! A megohmmeter is definitely the best to use 💯 Need to make use of what you have though. Thanks for watching! Stay tuned for new videos every week🔧
So I’ve checked if I got 1.2 , 3.1 and 3.8 so is the compressor ok ?
I got 2.5 run 3.5 start and 4.8 5 .5 for run + start
Unit ran for 1 second and would shut off . Got 50 amps when lra is 40. Chnaged cap , relay and tried a hard start. She wouldn't go. No high limit no lpco no continuity to ground... how would you finalize diagnostics. It would run when you bump started it as well but didn't seem to have too much power behind it .
Mine is ok I’ve just changed capacitor nothing else and it’s cool now
Christal clear
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What if the number dont add up ?
That’s what I want to know
What is that meaning open and close winding?
Two types of shorts can occur in a compressor motor, a turn-to-turn short within a winding or a winding-to-frame short. The reading obtained between the Run and Common, and the Start and Common pins should be within .5 ohm of each other. If these readings are significantly different, the winding with the significantly lower reading has a turn-to-turn short and the compressor needs to be replaced. Check for a winding-to-the-motor- frame short by taking a reading between each of the pins and the compressor housing. If the meter's LCD displays anything other than an "O.L." during these tests, the compressor is bad and needs to be replaced.
I had a compressor, when I connect it directly without the relay and overload it cuts the fuse.
What if S/C is OL
If R/C is OL
if S/R is 16 ohms
Please what if the value of c-r=20.5, c-s=29.5 and s-r=50.5
means compressor seems good; check for isolation of the 3 pins now
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