Reading HVAC Electrical Wiring Diagrams for Troubleshooting!

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  • เผยแพร่เมื่อ 5 พ.ย. 2024

ความคิดเห็น • 96

  • @acservicetechchannel
    @acservicetechchannel  7 ปีที่แล้ว +2

    Tool List- www.amazon.com/shop/acservicetech
    Support- www.patreon.com/acservicetech
    For those that are looking for the tools used in the videos: (Linked Below)
    Here is a link to the UEI DL389 Multimeter used in the videos- amzn.to/2av8s3q
    Here is the link to the Fieldpiece SDMN6 Dual Pressure Testing Manometer with Pump-amzn.to/2jyK5Ka
    Here is a link for the Supco Magnet Jumpers amzn.to/2gS4h6z
    Here is the link for the Irwin Wire Stripper/Cutter/Crimper amzn.to/2dGTj2V
    Other tool links can be found in the video description section. ACSERVICETECH is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

  • @brettmorgan5612
    @brettmorgan5612 4 ปีที่แล้ว +4

    Watching these videos is like binge watching a great series on Netflix. Some nights I have to watch 4 or 5 of these videos before bed. Thank you for time and efforts.

    • @acservicetechchannel
      @acservicetechchannel  4 ปีที่แล้ว +2

      Ha ha, thats awesome! Sorry about the banging at the beginning of the earlier videos!

  • @justinconant9635
    @justinconant9635 4 ปีที่แล้ว +2

    Im currently in school for HVAC. Your videos are definitely a huge help in putting the knowledge learned, in to a much better perspective!

  • @ramihawari23
    @ramihawari23 8 ปีที่แล้ว +5

    You did a good job showing us how to test the sensor and limit switch, a lot of people have a hard time reading the schematic diagram, I'm one of them.

  • @mr.fixdaplate
    @mr.fixdaplate 3 ปีที่แล้ว

    The beauty of hvac glad i picked this trade changed my life

  • @jasonhewitt7614
    @jasonhewitt7614 2 ปีที่แล้ว

    Thank you very much for that video, one of the things I struggle with is looking at a wiring diagram and the actual unit and figuring out where the wires go. Been in the field 6.months as a Lab technician

  • @dmenace12483
    @dmenace12483 7 ปีที่แล้ว +2

    Thank you so much for taking the time and energy to make your videos. I'm just a diy guy but enjoy learning as much as possible. You're excellent at explaining how to troubleshoot quickly and safely and I can't thank you enough!

  • @seanh8194
    @seanh8194 5 ปีที่แล้ว +1

    I must say you do a great job with position of your camera. I've watched a lot of videos where they are talking, but you can't see what they are doing. Awesome video and I just liked and subscribed. Thank you.

  • @jackpast
    @jackpast 8 ปีที่แล้ว +3

    Great combo of schematic and real-world wiring! Thanks, Craig!

  • @acservicedaytona386portora3
    @acservicedaytona386portora3 8 ปีที่แล้ว +2

    I have one more request if I may, Just a short video about trouble shooting reversing valves, diagnostics from the stat through the board to the 24 volts and to the valve, if you could ..then I think you have covered everyone of my weaknesses sir... thank you my brother...

    • @acservicetechchannel
      @acservicetechchannel  8 ปีที่แล้ว +1

      Robert thank you for letting me know what you would like to see in the future. I am glad to hear that these videos are helping solidify things for you!

    • @MR-nl8xr
      @MR-nl8xr 7 ปีที่แล้ว

      acservicetech. did you make this video.

  • @megawhitesox0574
    @megawhitesox0574 7 ปีที่แล้ว

    man you help so many people ! god will bless and repay your kindness!

  • @bertrand100ful
    @bertrand100ful ปีที่แล้ว

    Thank u sir. It will be very interesting to have deep explanations of the functionning of the Control Board, explanation based on the schematic diagram of the PCB! WHY NO ONE GO INSIDE IT?????0!!!!!. Because since we understand the functionning of this one then we have just to follow the IN/OUT of it to find out everything inside the furnace!!

  • @christianfiore8011
    @christianfiore8011 ปีที่แล้ว

    Great video;As this from a training perspective ,and safety is a lead by example educational guide.Perhaps as in your other videos you should be wearing your "safety" wedding band.

  • @acservicedaytona386portora3
    @acservicedaytona386portora3 8 ปีที่แล้ว +1

    the reason i ask this is that i live in central fla. and that is realy the only heat that we need. thanx again

    • @acservicetechchannel
      @acservicetechchannel  8 ปีที่แล้ว +1

      Yeah I realize you guys are not running furnaces down south in Florida so the more knowledge on the Reversing Valve the better. Thanks

  • @dl7279
    @dl7279 6 ปีที่แล้ว

    Great explanation! I always learn something from your videos. I'm trying to improve on reading schematics. I'm starting to do commercial work & get confused on some of those schematics

  • @spartan5106
    @spartan5106 10 หลายเดือนก่อน

    your videos help me so much! thank you

  • @ryk1265
    @ryk1265 3 ปีที่แล้ว

    Very informative! Is there an updated version of this video that has better lighting and up close? Thank you in advance!

  • @karenvanderyt4235
    @karenvanderyt4235 7 ปีที่แล้ว

    this was a very good video showing troubleshooting please do more like this thanks

  • @klott88able
    @klott88able 6 ปีที่แล้ว

    Hello, when testing the high limit switch, you should explain the you reconnected the first switch you troubleshooted....because they are in series.

  • @carlogambino2160
    @carlogambino2160 3 ปีที่แล้ว

    This man is a damn genius

  • @rj.parker
    @rj.parker 8 ปีที่แล้ว +1

    Good explanations and demos. It would be nice if the schematics were easier to read on youtube. Maybe a pdf that you could pan and zoom as you went through it. Thanks

  • @luongly8157
    @luongly8157 6 ปีที่แล้ว

    THANK YOU .SO .SO . MUCH FOR Your Times to make this video

  • @1mrsleepy1
    @1mrsleepy1 ปีที่แล้ว

    That is exactly what happened to me today!

  • @jaycase8545
    @jaycase8545 7 ปีที่แล้ว +1

    Loving the videos acservicetech!! I know you were just showing us how to troubleshoot with using the control board (your example: COM to one terminal of the switch)... but my question is, can you also check for a voltage reading without using the control board by going across the switch's two terminals with the meter probes?

    • @acservicetechchannel
      @acservicetechchannel  7 ปีที่แล้ว

      You could test the switch with the wires disconnected with resistance that way. You need a common and a hot to read voltage though. This will give you the most certain answer, thanks Jay!

    • @jaycase8545
      @jaycase8545 7 ปีที่แล้ว

      Oooou quick reply, thanks acservicetech. But I know you can test resistance across the switch with the wires disconnected. I guess what I was trying to ask was, can a short circuit result when testing for voltage across the switch?

    • @acservicetechchannel
      @acservicetechchannel  7 ปีที่แล้ว

      A short circuit usually means a direct connection between hot and common. I always test with a ground or a common for accuracy in being able to tell what is going on since that will be the path back to the breaker anyway, thanks Jay

    • @jaycase8545
      @jaycase8545 7 ปีที่แล้ว

      Acservicetech thanks

  • @MrEltinieblas
    @MrEltinieblas 6 ปีที่แล้ว +1

    Thanks again!

  • @Dillonmechanical
    @Dillonmechanical 2 ปีที่แล้ว

    Good stuff. Thanks

  • @ddcws1
    @ddcws1 7 ปีที่แล้ว +3

    Yes this is perfect thank you! 👍

    • @acservicetechchannel
      @acservicetechchannel  7 ปีที่แล้ว

      Glad to help David!

    • @ddcws1
      @ddcws1 7 ปีที่แล้ว

      acservicetech Now I need to go to the book I got in school and read through again why these safety switches would trip. I know you mentioned the cracked heat exchanger but I am sure there are numerous other reasons also.

    • @acservicetechchannel
      @acservicetechchannel  7 ปีที่แล้ว

      Next time you are near a furnace, open the door and look at the limit circuit fault code and look at what is says could be the problem for an open limit wire as well.

    • @ddcws1
      @ddcws1 7 ปีที่แล้ว +2

      acservicetech you should do online school training. I would definitely sign up.

    • @acservicetechchannel
      @acservicetechchannel  7 ปีที่แล้ว

      Thanks David! That would be a little much for me at this point but maybe in the future.

  • @Straycurrent
    @Straycurrent 8 ปีที่แล้ว +4

    Good, solid training info. Well done - thanks.

  • @jimmyung3212
    @jimmyung3212 7 ปีที่แล้ว

    Great explanation thank you!!!

  • @bhampresson
    @bhampresson 7 ปีที่แล้ว +1

    this helped alot!! thanks

  • @robertmunguia250
    @robertmunguia250 6 ปีที่แล้ว

    So if your troubleshooting, what’s the side to go on connection side or wiring diagram? Is there a rule you go by as to what’s the problem with the unit? Not cooling, where would you start?

    • @acservicetechchannel
      @acservicetechchannel  6 ปีที่แล้ว +1

      No cooling, it would depend on if it sounds electrical, airflow or refrigerant charge from what the homeowner says. Typically start with filter and airflow first and then second, turn the outdoor disconnect off. Then turn tstat on cooling and get fan running in high cooling speed. Hook manifold gauges or quick connect test gauges up. Turn disconnect on while you are standing in front of the outdoor unit to listen if there is a problem, go from there. In reference to wiring diagrams, schematic tells you how it works while connection tells what wire goes where, thanks!

  • @robertmunguia250
    @robertmunguia250 6 ปีที่แล้ว

    Good deal. Good info.

  • @MrEltinieblas
    @MrEltinieblas 6 ปีที่แล้ว

    Hi. Would you please let me know what type of electrical wires and what gauge to use when replacing them in case they are damaged? Thanks!

    • @acservicetechchannel
      @acservicetechchannel  6 ปีที่แล้ว

      14 gauge is good for 15 amps, 12 gauge is good for 20 amps, check the max fuse or max breaker size listed on the rating plate of the unit, thanks

  • @juantoledo8595
    @juantoledo8595 6 ปีที่แล้ว

    thanks for the great video

  • @billyjames9315
    @billyjames9315 2 ปีที่แล้ว

    I start school for HVAC Technician on Jan 18th in 17 days and this looks a little difficult

  • @destinylags6863
    @destinylags6863 ปีที่แล้ว

    Do you have a book that teaches how to read schematics?

  • @ronaldcach2779
    @ronaldcach2779 8 ปีที่แล้ว +1

    Hi, at the end of the video at time [17min.] the voltage between R and C was reading 14 volts, with limit disconnected. Why did'nt it read 0 volts, since the limit was disconnected. THANKS FRIEND [ ALSO] do you have a video on troubleshooting the IFC or control board? I could,nt find on your site.

    • @acservicetechchannel
      @acservicetechchannel  8 ปีที่แล้ว +3

      Great Question! There is voltage on the board backfeeding to the R but the board was still able to limit this down to 14 so it would not provide power to turn on a thermostat or to be the correct voltage if R was connected to W on the board. If this was just wires and you broke the circuit then you would just get 0 like you were saying. Thanks So we usually troubleshoot a board by knowing what everything else does and when we should have voltage coming off the board at a certain spot. It is the last thing left if we are certain about everything else. Interesting concept, I eventually should make a video about that concept and how to know if the board is bad for certain. Thanks

  • @papoloco34
    @papoloco34 8 ปีที่แล้ว +1

    yeah woo hoo!!! nice nice thank you for the video....😃😃

  • @Oopsie223
    @Oopsie223 7 ปีที่แล้ว

    Fucking love your channel dude. Thanks for spending the time to make your videos. They're all great

  • @basilboolis7708
    @basilboolis7708 6 ปีที่แล้ว

    Hi Craig...you are truly an asset to have. This was all great, but wanted to ask; after the transformer...where does the 24 volts go to on the board...I thought 24 v was suppose to be present and coming from those terminals that would feed the circuit of operation waiting for a call for heat initiated by the Thermostat !! Thanks

    • @acservicetechchannel
      @acservicetechchannel  6 ปีที่แล้ว +1

      They go through the fuse and then to those limit circuits to check for safety before going to the board at R and C, thanks

  • @michaelcostello6991
    @michaelcostello6991 6 ปีที่แล้ว

    In some parts of circuit there are 2 wires in parallel such as at the fuse or into the transformer. The wires run side by side. Why is that ?

    • @acservicetechchannel
      @acservicetechchannel  6 ปีที่แล้ว +1

      It may be applying power to one item and sending signal voltage to another. After signal voltage goes through a switch, it will come back to a dedicated spot on the board unlike an item being powered which comes back on common, thanks

  • @pwfcpwfc
    @pwfcpwfc 6 ปีที่แล้ว

    Hi , is there any other sources/websites i can go to to download the schematics of my HVAC , i try the manufacturer's (Trane) website , but no information there , the schematics on my HVAC's panel washed out badly. Thanks a lot.

    • @acservicetechchannel
      @acservicetechchannel  6 ปีที่แล้ว

      Really the best bet is just googling it with the specific model number, thanks

    • @pwfcpwfc
      @pwfcpwfc 6 ปีที่แล้ว

      OK , Thanks for the reply, watching your videos really help.

  • @robertmunguia250
    @robertmunguia250 6 ปีที่แล้ว

    What if there is no schematic or diagram? Who to call to provide the diagram?

    • @acservicetechchannel
      @acservicetechchannel  6 ปีที่แล้ว +1

      You could look up that model # right through google and possibly find it. You could contact the manufacturer, thanks!

  • @cousinsmechanical376
    @cousinsmechanical376 7 ปีที่แล้ว

    where do i get that magnet from?

    • @acservicetechchannel
      @acservicetechchannel  7 ปีที่แล้ว

      That actually came out of the magnetron from a junk microwave. You get two from each microwave. Otherwise, you would just buy a neodymium one, thanks

  • @Darthandal
    @Darthandal 7 ปีที่แล้ว

    info was good but I couldn't close enough.

  • @checks_3749
    @checks_3749 6 ปีที่แล้ว

    Aha 🧐👌🏼

  • @rocker8692
    @rocker8692 7 ปีที่แล้ว

    I think I have ADHD

  • @MR-nl8xr
    @MR-nl8xr 7 ปีที่แล้ว

    Diagram is too small.

    • @acservicetechchannel
      @acservicetechchannel  7 ปีที่แล้ว

      Yes I am planning to draw out some larger circuits to go over. That was just the wiring diagram on the furnace, thanks!