i've been in the hvac business for 19 years, but mostly residential and light commercial. i've never really understood unloaders until i watched your video. thanks so much for sharing this

@AirConAcademy

3 жыл бұрын

I'm so glad that my video helped you understand unloaders! Thank you so much for your kind words and I am so glad I could help! Thank you and keep learning out there!

@jollyscaria1922

5 ай бұрын

Soil heavsystom gas potavting systom soild conrold mechionom sely gas insidd pards dsmgd sdlfeyunlored opn coglod moregax powed edom potacting inside parts slftg valplat hedpate pidon all poractinv sydtim rightedunlored pudhinschion t go oponvslvd op pas dis tbuitng systo motr aut msticsl off self gax lord inde nog pas sinv hevey equpited ok

This professor takes his time and teaches. I can retain the knowledge quicker, when it’s taught that way.

@AirConAcademy

Жыл бұрын

Wow! Thank you so much for your kind words! I love teaching, and it gets me motivated even more when I know I'm helping you guys out there! Thank you for watching!

Good explanation. I used to work with these compressors, Carrier model O5G 6 cylinders in motor coaches. They were belt driven by the bus engine. When the unloader coil on a head. was electrically energized, those cylinders were unloaded. Lots of guys were confused by this. You could actually feel each side of the outer heads and sense a temperature difference from one side to the other. Low side, high side. I would watch the needles on the gauges "jump" when the unloader went from energized to densrgized.

@AirConAcademy

3 жыл бұрын

Yes, you are correct. A lot of guys get confused with the loading and unloading and with the pressures rising and falling as it loads and unloads. I am glad he liked the video. Thank you for watching!

Well done, kept it simple and easy.

really awesome. everybody can easy to understand how this system works. thank you sir

To check if you have power at a solenoid you can also rest your amp meter on the magnet and see if it is drawing amps. Thank you for the video!

@AirConAcademy

4 жыл бұрын

Thank you!!!

I can tell he is a great teacher!!!! Well done

@AirConAcademy

3 жыл бұрын

Thank you!!!!!

Thank you so much for sharing your knowledge

He was my HVAC teacher. Very knowledgeable and a very good teacher.

@AirConAcademy

4 жыл бұрын

Thank you!!!

@TheSkunk1996

3 жыл бұрын

What city and state????

@Jugc0006

3 жыл бұрын

@@TheSkunk1996 Virginia

@madzenaircontech4875

2 жыл бұрын

l'm from Indonesian you're best

This video give me all understanding about the unloader thank you very much for your teaching God Bless

@AirConAcademy

4 жыл бұрын

I am glad I can help!!!

my salute to you sir .. I see your presentation , i improve myself so much .

@AirConAcademy

4 жыл бұрын

Thank you!!!! I am so glad I can help!!!!

Great explanation mate, I have a learning disability and that made sense to me, thank you so much

@AirConAcademy

3 жыл бұрын

I'm glad you like the video and I am glad that it made sense to you! Keep watching the videos and maybe the other ones will help some more! Good luck out there!

Thanks so much, I can't expect a better teacher than u, you are an excellent person. God bless you.

@AirConAcademy

10 ай бұрын

Thank you so much for your kind words! I really, really appreciate your comments! And thank you for watching!

Sir u r amazing.....no words to thanks u....I was looking for months to clear my concept about unloading and loading ...u make me clear in just few minutes....thanks a lot ....God bless u

@AirConAcademy

3 жыл бұрын

Thank you so much for your kind words! I'm so glad to hear that I was able to help you. I hope some of my other videos can also help you, keep learning out there! Thank you!!!

Very well explained. He knows the topic.

@AirConAcademy

3 жыл бұрын

Thank you so much! I’m glad you liked it. I hope I can get some other videos online soon.

Great video, simple and to the point.

@AirConAcademy

3 жыл бұрын

Thank you!!!! I am glad you liked it!!!

Beautiful, thank you for your sharing

Great video buddy , you help me understand my job and I just wanted to say thank you💪🏻

@AirConAcademy

Жыл бұрын

Thank you for the wonderful comment! That's why I do these to help you guys out there. Thank you for watching!

just a superb explanation. Thank you again.

Thanks for the information. Every now and then I come across unloaders. I understand the concept of what their function is but was not sure how I would go about troubleshooting if I came across a bad unloader. Knowing how your pressures regulate unloaded and loaded helps especially when there are 3 or 4 unloaders on a comp. Constant cycling of the compressor would probably indicate that the unloaders aren't doing their job.

@AirConAcademy

3 жыл бұрын

Yes, that could be an indication. You should check to see if the unloaders are unloading before the compressor shuts off. I mean it should be fully unloaded before it shuts off. Unloaders work great and it minimizes the constant starting up and shutting off of the compressor.

well done you, your explanation of this is awesome

@AirConAcademy

4 жыл бұрын

Thank you!!!! I am glad you liked it!!!

It's very comfortable to understand you sir.. thank you so much

@AirConAcademy

3 жыл бұрын

Thank you so much! I really appreciate your comment!

Gracias maestro super , muy professional y anos en HVAC y cosas que Uno no save. Thanks

@AirConAcademy

4 жыл бұрын

Gracias!!! Espero que esto lo ayude!!!!

Sir , I appreciate all your videos , very informative

@AirConAcademy

4 жыл бұрын

Noel Baracho Thank you! I hope they help.

Excellent explanation ! Thank you very much !

@AirConAcademy

Жыл бұрын

Thank you! And thank you for watching!

What a fantastic explanation. You are a great teacher and definitely it comes through a lot of experience and high educational background. Thank you for sharing. I liked your video.

This was great man. Great flow and articulation. I learned.

@AirConAcademy

2 ай бұрын

Thank you so much for your kind words! I enjoyed teaching, so I am so glad that I could help! If you get a chance, check out my webpage airconacademy.com I know I did not like school because I did not have any teachers that could actually teach. I enjoyed teaching so I think that makes a difference. Thank you for watching!

Am Godfrey Ssemagobwe from Uganda, sir I really appreciate the much effort you put in teach us more about refrigeration and air-condition, if all goes well I will be attending online course from your Academy. It is really interesting sir.

@AirConAcademy

4 жыл бұрын

Thank you so much!!! It is comments and people like you that make me want to do more!!! I hope to see you in class soon. Thank you!!!

Thank you for sharing your knowledge. You make great videos

@AirConAcademy

7 ай бұрын

Thank you so much! I really appreciate your comments, and I hope to make some more soon!

Really it was amazing now only i knew that roll of loading and unloading from the system really great thank you so much

@AirConAcademy

Жыл бұрын

Thank you for your comment! And I'm glad I could help! Thank you for watching!

Loved your explanation, Thanks.

@AirConAcademy

Жыл бұрын

Thank you so much! And thank you for watching!

Fantastic video 🤙🏽

Very instructive,thank you very much,God bless

@AirConAcademy

4 жыл бұрын

Thank you!!!

Very simple clear and nice way explained thanku lot

@AirConAcademy

7 ай бұрын

Thank you!!!! I am glad you liked the video!!!

Very well explained!!!

Very well explained! Big thumbs up!

@AirConAcademy

Жыл бұрын

Thank you so much! And thank you for watching!

Thanks mate. It's better than the textbook reading.

@AirConAcademy

10 ай бұрын

HA HA!!! Yes it is I don't like to read but I like teaching more then I dislike reading so I read so I can teach. If that makes any sense? and doing this so long I have also learned a lot out in the field. Thank you for watching!!!

Very nice, good work.

Today I understand 100% loading and unloading of compressor

@AirConAcademy

2 жыл бұрын

Thank you so much! I really appreciate comments like this! It took me a while to make this video because I do all of this myself. I'm glad I could help! Good luck out there! And keep learning!

This was masterful and really simple. Thank you

@AirConAcademy

4 жыл бұрын

Thank you!!!!

Thank you sir. Very imformative resource. Worth subscribing video

@AirConAcademy

4 жыл бұрын

Thank you!!!

Very good, thank you

I like it sir your way of teaching is excellent sir you make it simple sir

@AirConAcademy

4 жыл бұрын

Thank you!!!! I am glad you like it!!!!

Thank you so much I’ve learned a lot really appreciated.

@AirConAcademy

10 ай бұрын

You are very welcome! I'm so glad to hear you say that you have learned a lot! I have been doing this for a while so I can feel myself on the way out! I'm glad you guys can come in and take over! Good luck and thank you for watching!

Great sir it's awesome video knowledge for technicians

@AirConAcademy

4 жыл бұрын

Thank you!!!

excellent explanation! thank you

@AirConAcademy

Жыл бұрын

I'm glad you like the video and thank you so much for watching!

Thanks for the knowledge now i understand it helps

@mansyurwandanwandan5292

2 жыл бұрын

Good morning, I have a question for the technician, that after I disassembled the Carlyle 5h80-A194 compressor and replaced the new spare parts, namely the piston, ring, conroad, bearing conroad complete with 4 slave cylinders. After that, I tested running, but it looks like the compressor is not powered up, even 2 cylinders feel hot. I've tried opening the cylinder cover again and checking that the valve plate is installed correctly, the suction valve is in position. Then the test run again, the result is still the same. Even the capacity valve has been adjusted. clockwise or vice versa, but the compressor is still not powered. my question: can i be helped to find a solution so that the compressor can run normally and can cool down. notes. now i run compressor no two normal and cold. Thank you in advance

Thanks sir u are really excellent teacher take care.

@AirConAcademy

4 жыл бұрын

Ali imran thank you!!!!

thanks, i really understood how an unloader works.

@AirConAcademy

2 жыл бұрын

Thank you so much! I am glad. That's why I do this to pass this information on!

Omg its awesome its so easy to understand my teacher doesnot describe like this

Super explanation.Appreciated

@AirConAcademy

7 ай бұрын

You're welcome! I'm glad you enjoyed the video and thank you for watching!

Thank you for the information.

@AirConAcademy

4 жыл бұрын

I am glad I cold help!

Thanks for sharing your explanation is very nice I appreciate it.

@AirConAcademy

3 жыл бұрын

Thank you, and I’m having a webinar in a few minutes it is free so if you wish to join it please go ahead and join it

@AirConAcademy

3 жыл бұрын

www.airconacademy-courses.com/event-details/hvac-troubleshooting-webinar

Beautiful, thanks a lot for sharing

@AirConAcademy

3 жыл бұрын

I am glad you liked it, and thank you for watching!

Excellent teacher.

@AirConAcademy

3 жыл бұрын

Thank you so much! I'm glad you like the video and I'm glad to help!

Brazil here. Thanks.

@AirConAcademy

2 жыл бұрын

Thank you for letting me know! I was wonder where everyone is from! And I hope it helped!

Very nice information from you bro

@AirConAcademy

3 жыл бұрын

Thank you so much! I'm glad you like the video! Keep learning and be safe out there!

Very helpfull. Really. Thank you

@AirConAcademy

2 жыл бұрын

Thank you so much! I'm glad it was helpful!

Very nicely explained Sir thank you

@AirConAcademy

7 ай бұрын

Thank you and thank you for watching!

Hey great explanation. Thanks for that.

@AirConAcademy

3 жыл бұрын

You are welcome glad you like it!!!

Thank you so much!

@AirConAcademy

Жыл бұрын

Thank you! And thank you for watching!

Good demonstration.

@AirConAcademy

Жыл бұрын

Thank yo and thank you for watching!!!

Amazing video thank you so much

@AirConAcademy

Жыл бұрын

Thank you! I'm glad you liked the video and thank you for watching!

Very well explained

@AirConAcademy

3 жыл бұрын

Thank you!!! I am glad you liked it!!!

Very informational!! Thanks.

Wonderful sir.

@AirConAcademy

3 жыл бұрын

Thank you!!!! I am glad you liked it!!!!

Good teacher I like his style

@AirConAcademy

3 жыл бұрын

Thank you!!!! I am glad you liked it!!!!

Great video! When adding refrigerant to a system, the compressor should be loaded. Typically, on an 06 e/d Carlyle, should the unloaders be ran in or out to be loaded?

@AirConAcademy

3 жыл бұрын

Yes, that is the only way to get the charge correct. To make sure the system is fully loaded. I don't know how your unloaders are set up but make sure that the unit is calling for full cooling so that the unloaders will be loaded. You will see that the pressures will change. The suction pressure will drop and discharge pressure will increase. Only then will you be able to get a charge correct. Hope this helps.

Thank you very much sir!

@AirConAcademy

Жыл бұрын

Thank you! And thank you for watching!

Good blessed u sir

@AirConAcademy

4 жыл бұрын

I am glad you liked the video!!! and I need the blessings Thank you!!!

This is amazing! Very knowledgeable n good explanation! U r my great instructor 👍can u explain why compressor need pressure equalized ？please!

@AirConAcademy

Жыл бұрын

Thank you so much! Thank you for your compliments and thank you for watching. I am not sure what you mean when you say pressure equalized? I believe you are talking about the pipe that is normally connecting two compressors when they run tandem Lee like in a chiller? One of the reasons they do this is because of the oil. As the compressor runs, it will pump some of the oil out because it mixes in with the refrigerant. As the suction Gas comes back, the oil is mixed in with it, and it would collect in only one of the compressors, if we did not have this equalization pipe between the two compressors. I hope this answers your question!!! And again, thank you for watching!

Open Compressors are also used for Ammonia systems. Ammonia is corrosive to motor windings.

@AirConAcademy

Жыл бұрын

I have never worked on and ammonia system. Thank you for letting me know. I was not aware that ammonia was corrosive to motor windings! Thank you and thank you for watching!

احسنت very wonderful video

@AirConAcademy

Жыл бұрын

Thank you! I'm glad you like the video! Thank you for watching!

Thnxs more sir wonderful explain

@AirConAcademy

24 күн бұрын

Thank you! I am glad you liked the video! And thank you for watching!

Thanks Sir

Thankyou for informative video..hope u gonna have a lesson about capacity load type compressors.

@AirConAcademy

3 жыл бұрын

Thank you I will see what I can do!!!

Very knowledgeable thank you

@AirConAcademy

3 жыл бұрын

I am glad you like it!!!

Thanks for lot and very good teach

@AirConAcademy

10 ай бұрын

Thank you very much! And thank you for watching!

Good explanation

@AirConAcademy

3 жыл бұрын

Thank you!!! I am glad you liked it!!!!

Very good!

@AirConAcademy

3 жыл бұрын

Thank you!!!! I am glad you liked it!!!

Thanks my teacher

@AirConAcademy

3 жыл бұрын

Thank you for watching!!!

Thank u💚

Nice explaination

@AirConAcademy

2 жыл бұрын

Thank you very much! Thank you for your comment and I'm glad you enjoyed the video! Thank you for watching!

great, thanks

@AirConAcademy

7 ай бұрын

I'm glad you like the video! And thank you for watching!

I appreciate your time and effort. I have a question please yesterday I had question in my head that what would happen to a compressor if it runs on negative pressure for example ( low pressure switch incorrectly set) so that the compressor below atmospheric pressure runs. many greetings from Germany

@AirConAcademy

4 жыл бұрын

YES!!!! The low pressure switch is either not set properly or it is bypassed. make sure it is not happening because that will kill a compressor very easily!!! it will run with no refrigerant gas to cool it and it will fail

It is a Nice explain ❤️

@AirConAcademy

3 жыл бұрын

Thank you so much! I'm glad you liked the video!

i appreicate your knowledge

@AirConAcademy

4 жыл бұрын

Thank you!!!! I am glad I can help!!!

Very well explained. One question, when unloaders are energized and the port to suction is open all the time, doesn't this raise the low side pressure? Meaning that all that gas is flowing backwards to the evap?

@alexkolle8928

3 жыл бұрын

Basically, all valves to and from the compressor have to be closed in order for psi to build or get higher. This is because the compressor takes for example 10 ounces of space and compresses it into 2 ounce of space. If the suction side valve is open and the piston is moving up and down I have all that space from the compressor piston all the way back to the evaporator coil. This can be for example 100 ounces. The compressor now with the unloader operational is taking 110 ounces of space and compressing it into 102 ounces. This will barely raise the psi in the system and wont affect the flow of refrigerant. 10 ounces down to 2 ounces causes refrigerant to go from 10 psi to 100 psi 110 ounces down to 2 ounces causes refrigerant to go from 10 psi to 11 psi. If you think about that, 110 psi compared to 11 psi, the discharge side of the compressor is so much higher than the suction side. Basically this difference in pressure wont matter to the flow of refrigerant and your system will work. Even if you were able to have some flow of refrigerant from the suction side to the evaporator there would be a check valve installed on the system that would make sure that you have the proper flow. Try to think about the volume that the compressor has when both valves are closed and how much it can compress vs when the unloader forces it open and you have a large area/volume that cant really be compressed.

Thank you so much sir ❤️

@AirConAcademy

2 жыл бұрын

Thank you! And I'm glad you like the video!

Thank you🤩

Excellent work

@AirConAcademy

3 жыл бұрын

HA HA!! Thank you!!!

@qasimkazmi786

3 жыл бұрын

Welcome

Any vids on compound cooling? Started a new job at Walmart and some of their stores have compound compressors and I need to familiarize myself with them

@AirConAcademy

2 жыл бұрын

I'm sorry, I am not sure what you mean by compound compressors? Are you talking about when you have multiple compressors and multiple evaporators? If that is the case I have a video on EPR valves. And how they are used to maintain different pressures and temperatures in evaporators. I'm not sure if this is what you were talking about. If you get a chance please let me know if that is what you were talking about or explain to me what you mean by compound cooling so I could possibly make a video of it. Thank you for your question!

@9:04 u r explaining that with loading and unloading suction and discharge pressure changes what I think is, consider an example, we have R404 in our system and require temp is 4 deg C , to achieve this we need suction pressure around 60psig , if heat load increase this evaporator's pressure goes down(i.e. suction pressure) and to maintain the pressure 60psig load on compressor increases and it will activate another bank of cylinder and when load decrease it will unload the bank. This is how loading and unloading works. AND you are explaining that the pressure difference changes with loading and unloading but we have to maintain pressure in evaporator to maintain constant Temp.

@AirConAcademy

5 жыл бұрын

yes you want to maintain around 4C as the load increases the evaporator pressure or suction pressure should increase not drop, but when the compressor loads up that is when the suction pressure would drop to keep the pressure where it should be 60PSI so it can stay around 4C. As the load decreases or the room temperature drops it will automatically unload. and yes every time the cylinder loads up (or it is doing work) the pressure should drop and when it is NOT doing work the pressure will increase.

Thank you

@AirConAcademy

4 жыл бұрын

Thank you and Happy New year!!!

Great knowledge shared. THANKS. I will like to exactly how the unloader coil is activated. Does it have anything to do with suction pressure?

@AirConAcademy

2 жыл бұрын

That is a good question. Some are operated by oil pressure, some are operated by suction pressure, some are by demand. Meaning that if you need more cooling it will load up if you need less cooling it will unload and do less work.

@lukmanbakare3195

2 жыл бұрын

@@AirConAcademy Thanks for sharing. I look for to more especially on animations. Keep up the good work.

Thanks you so much sir 🙏

@AirConAcademy

6 ай бұрын

Thank you and thank you for watching!!!!

Very good teacher nice

@AirConAcademy

2 жыл бұрын

Thank you so much! I really appreciate your comment and thank you for watching!

Thanks master

@AirConAcademy

Жыл бұрын

You're very welcome! And thank you so much for watching!

Thanx a lot.

@AirConAcademy

Жыл бұрын

You're welcome! Thank you for watching!

I understand the heat load determines if the loaders are energised or not. What are some ways this happens? Is it communication with a room thermostat? Is it recording discharge air and is trying to maintain set point? I’m sure there’s a lot of ways to control them, but what are the most common? Thanks for the videos you are a great teacher