How to Read a Heat Pump WIRING DIAGRAM! Schematic & Connection!

In this HVAC Training Video, I show How to Read the Wiring Diagrams of a Heat Pump to Understand how each of the Components Work and How they are Wired. We cover the Schematic Wiring Diagram, the Connection Diagram, and the Legend, as well as Explaining how the Defrost Board Works. Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.
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⚠️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
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[@bradestes2571]

This is the best video on the internet. I went to school for 2 years and needed a refresher after being off work for a while. Ive never been able to read a diagram more clearly. Great job making it clear and simple!

[@mikehaukzmal1470]

Unbelievable. After searching high and low finally someone knows something and someone knows how to explain things in a comprehensible manner. I also think this person LOL

[@jericosha2842]

this was huge for me. no one has explained this to me so clearly. God bless you.

[@erikmoje]

Great editing. Doing it this way instead of jump cuts really helps understanding what is going on.

[@acservicetechchannel]

Glad you liked it!

[@mikehaukzmal1470]

I just want to say wow. I guess I also want to say thank you! You are very good at explaining things and it is such a commodity in this world. I really appreciate your video and just thank you thank you thank you. You are a gentleman amongst scholars

[@fernandofrancisco3106]

Thank you for sharing your knowledge of hvac to everybody. I’m learning a lot from watching your videos

[@acservicetechchannel]

Glad to help

[@char0507]

you book is well done but enough for my brain that wants more input . i appreciate the hard work you put in to book and all your videos . keep up the amazing work

[@robertpalmatier2699]

You're the man! I learn so much from your videos!

[@dannyluislaurencio9155]

Buenos días soy de cuba para mi sus vídeos son únicos pues nadie se toma el tiempo de explicar cómo usted, desearía poder escucharlo en español de ser posible. MUCHÍSIMAS GRACIAS 👍

[@ronaldswindell1525]

Very impressed with your videos!! Keep them coming!!

[@acservicetechchannel]

Thank you! Will do!

[@johnerway7255]

Great help, you made it easy to follow and understand. Thank You

[@vh2tran62]

Thanks for your teaching video. Very brilliant explanation that I have learned a lot from your videos so far. Always love your video. God bless you.

[@acservicetechchannel]

May the Lord Bless you too!

[@itsnotfar]

As always, great video. Nicely explained information. Thank you !!! I've purchased your book and cards. Those are excellent also and easy to understand.

[@johnnyappleseed9762]

all killer ... no filler.. good stuff. thanks

[@edlauren9434]

Love your videos! Thank you so much!

[@craigkachadorian7793]

Very well explanation, thank you

[@acservicetechchannel]

Glad you liked it

[@leftylou6070]

Thanks for the vid. It was very helpful.

[@jimbola77]

that is really informative good stuff!!!! thank you for sharing.

[@acservicetechchannel]

Glad it was helpful!

[@johnfpegram]

Thank you for the break down.

[@thermodynamicsforhvacibr-hl4lf]

You are pure Gold.

[@jacksarisun6640]

Great explanation (at least for me). Thanks so much.

[@arturobolanos6061]

Excellent video as usual

[@acservicetechchannel]

Glad you enjoyed it

[@kaleopaaohelo7132]

Great video, Thanks

[@jayc6841]

your the man! thanks so much!

[@bobrebera494]

Great job-thanks again

[@acservicetechchannel]

Thanks again!

[@simohvac9222]

thanks for all videos . can you clarify for me , when we triple vacuum we need to release all nitrogen out or need to left 2 psi and start vacuum

[@paullenton2076]

Very good video, thank you

[@acservicetechchannel]

Glad you liked it!

[@hauvu1989]

this helped a lot thank u

[@Froggability]

I love these old fixed speed units, so simple compared to inverter units so prevalent now

[@adamlloyd9931]

Great video!

[@acservicetechchannel]

Thanks for the visit

[@elnownetwork]

Thank you so much

[@acservicetechchannel]

Any time

[@MsOrlandotaylor]

Nice video,could you make a video on wiring a Ruud heatpump,keep the good work up.

[@xtremecomfort7799]

Wow!!Thanks!!

[@acservicetechchannel]

No problem!

[@zekenzy6486]

Great Video. Have a nice weekend. Thank you for sharing ^_^

[@acservicetechchannel]

Thank you! You too!

[@officerkrupke4966]

When replacing a bad contactor on that heat pump, make sure to follow the wiring color code and get the wires connected the same way to new contactor. If you mistakenly put the wire going to t1 of the defrost board on the same side of contactor with wire going to common, defrost will not work and you will wind up with a giant ice ball outside on condenser.

[@JuanMorales-ks4ll]

thanks for the video

[@acservicetechchannel]

You bet!

[@brad346326]

Great video

[@acservicetechchannel]

Thanks for the visit

[@roqueherrera8471]

Brother your videos have helped me so much don’t know how to pay u back in life, but if we ever meet in CA I’ll invite u to my house for some non stop CARNE ASADA, BEANS, HOT SALSA and BROSKIES 🍺

[@RG_sssSMOKING]

Great video as always. Question. I am getting ready to replace my 30 year heat pump and it has a CC heater on it. I live in north west VA do you think I should request a CC heater on my new heat pump? Thanks in advanced. RG

[@jkbrown5496]

They label the DR coil and also the DR contacts between OF1 and OF2 going to the fan motor in the top part of the schematic. But they only imply the DR coil also closes the contacts to O and W2 by alignment even though that is usually a separate relay (the rectangular relay in the upper left of the board) that activates in parallel with the outdoor fan (DR) relay. I presume that is covered by the "& Circuitry" part of the label for "DR".

[@thecreaturesdancedlikeus3922]

Great Video !

[@acservicetechchannel]

Glad you enjoyed it

[@stanleykania7184]

Revisiting this video

[@michaelcostello6991]

Thanks

[@acservicetechchannel]

Welcome

[@hottopics2132]

thanks sir

[@acservicetechchannel]

Most welcome

[@michaelcostello6991]

Does the PTC bypass the capacitors initially until it get hot ?? or what is its purpose

[@erixgar4117]

Hi could you help to understand how to connect an aprilaire humifier 700 to a Heatpump airhandler? I understand the mechanic part, I need to know the low voltage connections. thanks for u help!!!!!!

[@ivanzapata396]

hello, I started to see all your videos as they are the most complete videos I've seen about heat pumps. I have a question for you, have you worked with York heat pump package units? I have model YMKE60BNJMFMO-X and when it was winter time, it would blow "warm" air as it should but then the outdoor fan would stop and the air would turn cold and it would just blow cold. I thought it was the defrost cycle but the cold air never stopped. an hour could easily pass by with cold air so I had to turn off the unit and turn it back on at a later time or different day. any ideas why that would happen?

[@ozziewelcome5612]

Good 👍 👍

[@yanslabrada8904]

Hi, do you have any video about crankcase heater ? I do not understand why de crankcase heater stop, when the contactor is activated , thank you

[@mikeautostudent5562]

Thanks for nice video. If in case you like to remake this video. Untie all wires then you explains what wire where it goes to because touching the wire for beginners is confusing and have no clue where that wire physically goes to. The part you can explain half of the video only schematic then the second half/video you do both the schematic and wiring where they can follow and match with schematic. Again that was my suggestion. Thanks again for your great 👍 effotrs.

[@drmechanicalchannel7641]

Effotrs..

[@kirkp_nextguitar]

Note for Trane & American Standards heat pumps-your circuit diagrams may be much different from this one, especially if you have a demand defrost model with heat sensor thermistors for ambient and the coil.

[@Oscarbm1234]

I didn’t understand the conductor part on the circuit board.. could you please elaborate?....

[@lachcik5084]

such an awesome fucking video. amazing.

[@EnjoyCalculus]

it's game over when you learn heat pumps. Traditional split system AC's are a piece of cake when you learn the meat and bones of heat pumps. Refrigeration is just something else i tell ya

[@Howie875]

I was taught that those two schematics are called the pictoral diagram and the ladder diagram.

[@briansbroncoadventura6899]

I have this same GrandAire 2 tin 14 seer heat pump. Condenser won't turn on but does if I push the button on the contactor

[@RoyJ2012]

Did you find out what the problem was? I have the same issue.

[@briansbroncoadventura6899]

@Roy Johnson yes, turns out the thermostat was not set for heat pump!

[@Ray-wr2wr]

hi i just swap old r22 outdoor Cooling only unit with Goodman heat pump but keept old gas furnace has control board C G Y W R how i can wire properly heat pump to old gas furnace boad ? need a heat pump as a back up most of the time i use gas furnace for heating thermostat has C K RS R W O/B Y G W2aux/E Y2 L has 5 wires coming from furnace outdoor has 5 wires as well . im EPA certified based of NYC . THANK YOU IN ADVACE !!!

[@liltimmybozo2267]

1 star

[@ChristianMartinTM]

Hi, I have the same unit that is the video, a Carrier unit, maybe a couple years old, which is blowing the 3amp fuse every time that I turn on the heat pump. I already check all possible bad wire nuts connections, striped wires, thermostat, but still.......I need help please!....a friend of mine says that could be the solenoid reverse valve. let me know what could it be please. Thanks for your videos.

[@RG_sssSMOKING]

If you are still having this problem it very well could be the contactor for the compressor. They will go bad.

[@erickmadera1682]

hola como puedo tomar el curso de hvac soy de mexico pero no se mucho ingles

[@stanleykania7184]

The Only way you fail is to quit.. love it

[@westairmtl1284]

The defrost run time on the board says 30-60-90 MINs. Please explain why you said "SECONDS" Thank you

[@throttlebottle5906]

that's heat-pump "heating" run time "between" defrost cycles, the actual defrost cycles is 10 minutes or less down to seconds. he did accidentally say seconds vs minutes lol. please go make some videos so we can critique them =p

[@westairmtl1284]

@@throttlebottle5906 Thank you

[@dylandrymond3951]

👍👍

[@JjMn1000]

9:42 it is mins you said it in another video and in the schematic

[@meermohd890]

Hello sir good afternoon

[@acservicetechchannel]

Hello there

[@helen2424]

Your hvac program very very very excellent ...... I like the best . my name is son....thank you

[@richardcranium5839]

i'd look at that decal and see items missing i'd figure it was either the wrong one or the unit had been modified. usually optional items are encircled in a dotted line and marked opt or optional.

[@thisisyourcaptainspeaking2259]

Funny thing is, I never see diagrams of heat pump with two stages of electric heat in the air handler.

[@acservicetechchannel]

Often, the two heat strips are powered in sequence via the sequencer and basically all the strip heating is powered together after the first couple min, thanks!

[@thisisyourcaptainspeaking2259]

@@acservicetechchannel The sequencer has W1 and W2 terminals, these aren't for two strip heat stages?

[@henryesp9284]

So much info lol

[@elektromekanika]

Hi. Can you write me, please.

[@FernandoLarios-uc9lh]

Thanks