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Basic HVAC Controls - learn hvacr 

The Engineering Mindset
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Learn the Basics of HVAC controls in this video on HVAC control basics. Covering heating and cooling system from switches, sensors and control strategies.
Danfoss has made it easy to match the right on/off, modulating, or digital actuator with their range of AB-QM PICVs (Pressure Independent balancing and Control Valves). Check out their interactive PDF to find the best actuator for your valve.
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#engineering #hvac #automation

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2 авг 2024

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Комментарии : 98   
@EngineeringMindset
@EngineeringMindset 2 года назад
*These videos take a long time to make* if you would like to buy Paul a coffee to say thanks, link below: ☕ PayPal: www.paypal.me/TheEngineerinMindset Channel membership: ru-vid.com/show-UCk0fGHsCEzGig-rSzkfCjMwjoin Patreon: www.patreon.com/theengineeringmindset
@Derfboy
@Derfboy 2 года назад
AB-QM link is broken.
@kendukamitchell782
@kendukamitchell782 2 года назад
I would like for you to make an video on how atomatic block machine operates
@EngineeringMindset
@EngineeringMindset 2 года назад
@@Derfboy Thank you, looking into it now
@EngineeringMindset
@EngineeringMindset 2 года назад
@@Derfboy bit.ly/3pqg0i9
@M-Cycle
@M-Cycle 2 года назад
There is a kind of air conditioning which does not need almost any controls. There is no compressor and refrigerant in water evaporative air conditioners, no moving parts and high pressure.
@michaelchapa2471
@michaelchapa2471 2 года назад
As a college professor who teaches HVAC, thank you so much for all your work. Lessons that would take me hours to explain are summed up by you in 9 minutes, with better retention by the students.
@TheZayas55
@TheZayas55 2 года назад
LOL, sorry Prof, those who can't do, teach. Then the real world intervenes, it takes 10 years to make a real engineer. We also have to unteach so much, this is not a perfect world, 2.4 gpm per ton, uh no 3 gpm per ton at a 10 degree delta t. Yep, real world inefficency.
@thotpatrol7737
@thotpatrol7737 2 года назад
I am taking an HVAC Desing class and my professor cannot write the number 1 and 2 without them looking the same. You are definitely doing a better job than him
@stinkinlincoln926
@stinkinlincoln926 Год назад
@@TheZayas55 that’s a very ignorant statement. Most that are teaching have done it previously on the field. Not everyone can teach, but anybody can “do it” within reason.
@EJD339
@EJD339 2 года назад
Finally. A video I can send to my parents/friends when they ask me what my job is.
@yayo2363
@yayo2363 2 года назад
Haha seriously. I just say “I program thermostats” now. It’s kind of hard to explain to people who have no frame of reference of what HVAC actually entails
@EJD339
@EJD339 2 года назад
@@yayo2363 yeah, and of course building automation techs do way more than what is shown on this video but it breaks it down so people can at least get the basics of what we do. I do way more IT stuff than hvac stuff some days lol
@LBTennis
@LBTennis 2 года назад
Let's be honest, they were just trying to make conversation. They don't really care what you do.
@yayo2363
@yayo2363 2 года назад
@@LBTennis your parents don’t care what you do? Sorry to hear that man
@armandoespinoza7370
@armandoespinoza7370 2 года назад
What did you study?
@jasonjohnsonHVAC
@jasonjohnsonHVAC 2 года назад
I work with many BMS,EMS,BAS systems. From Trane, Allerton, Niagara, Honeywell and many more. Thank god for the front end to monitor and help in performing diagnosis. Lots of Digital/ Binary and Analog inputs and outputs. 4-20ma or 0-10v DC controls
@user-ss7sj3jt8f
@user-ss7sj3jt8f 2 года назад
a very useful video, which teaches me things that I have researched for over a day in only 12 mins.
@EngineeringMindset
@EngineeringMindset 2 года назад
Glad it was helpful!
@DJLuDog3
@DJLuDog3 2 года назад
Amazing work as always was surprised you did not mention 3 way valves on those controls. I know there an older way but I had to change several and had to eliminate some once the building was switched over a variable speed pump system
@switchgear480v
@switchgear480v 2 года назад
I'm an electrician by trade, I've worked with many different types of HVAC systems the biggest was an Ammonia system. very large industrial operation with massive tanks and huge rooftop chilling towers. Ofcourse all the way down to residential systems and window units.
@EngineeringMindset
@EngineeringMindset 2 года назад
Great to hear, you've definitely had an exciting career
@EJD339
@EJD339 2 года назад
I have a lot of respect for people that work with ammonia. I knew a guy who did and he had some crazy stories.
@ytsux9259
@ytsux9259 2 года назад
As someone who doesn't even know what HVAC stands for, I don't know why I'm watching this. LOL! 🤣
@kennethhicks2113
@kennethhicks2113 2 года назад
Nicely put together. Follow up maybe insulation types, installation and impact on HVAC/comfort/energy use ($)/equipment loading over time. Well, off the clean the contact on my old bimetallic mercury switch...lol... amazing how accurate and durable these were!
@jamestorres8155
@jamestorres8155 Год назад
Im a control rough in installer this video help me understand the system more thanks!!!!
@mohammad45h
@mohammad45h 2 года назад
سلام وهزاران 👍 ...برای همه اطلاعات علمی تخصصی خوبتون شماها برلیانس هستین و باشکوه تشکر وبسیار ممنون
@cpaul57
@cpaul57 2 года назад
I learned more from this channel then my half ass hvac tech school.
@GrumpyLantern
@GrumpyLantern 2 года назад
I'm a controls tech by trade. We primarily deal with Schneider systems and work on mostly HVAC, lighting and access.
@trickspicks2611
@trickspicks2611 Год назад
im looking to switch from service to controls any tips
@starmc26
@starmc26 2 года назад
I'm a technician on an automated tram system (3-car) that has 2 independent HVAC units per car. The refrigerant compressor operates on 3 phase 575 vac, along with the condenser system/fans... The evaporator / blower fan system is 120 vac.... The control board on the HVAC unit is 110 vac and 24 vdc for contactors and relays.
@ammoniahuffers
@ammoniahuffers 2 года назад
I built one of it in my house, not large as a PLC unit (small as my keyboard) but still can control my temperature in my house! (Cost around 500USD...)
@lashlarue59
@lashlarue59 2 года назад
Great explanation, thank you!
@EngineeringMindset
@EngineeringMindset 2 года назад
You are welcome!
@001prk
@001prk 2 года назад
can you please make a video on internal and external tev working in ac plant and why POSV is required for controlling flow of refrigerant?
@johnadams1976
@johnadams1976 2 года назад
Fantastic clear explanations. My 8yr old wants to be an engineer, and he's subscribed too! Loves learning about this stuff even though he has little working knowledge or experience of them in the real world :-) thanks
@asemahmed2618
@asemahmed2618 2 года назад
It's super excellent work thanks sir very much
@samankader6750
@samankader6750 2 года назад
instructive info thanks for the effort. but the circulation pump from the gas boiler it should be placed in the other/suction side.
@nate_d376
@nate_d376 2 года назад
Used to deliver HVAC commercial and residential systems, and parts. Pretty familiar with most parts, never installed any though.
@resurgensix
@resurgensix 2 года назад
Always love your content!
@EngineeringMindset
@EngineeringMindset 2 года назад
Glad to hear it!
@alirezarasekh
@alirezarasekh 6 месяцев назад
Thanks for you amazing videos 🙏
@warrenscorner
@warrenscorner 2 года назад
While you were explaining the dead band I started thinking about PID loops. I was surprised you didn’t mention it. Many controllers for industrial heating applications have PID built into them. After years of working with these controllers I still find them very confusing. I usually just put them in auto tune and hope for the best. If the temperature will not hold steady it’s a nightmare trying to evaluate which parameter to change and by how much. Once I got them tuned properly I entered the parameters in a spreadsheet for future reference just in case the controller failed. Awesome video!
@elangz9201
@elangz9201 8 месяцев назад
Hi, love your videos! What textbooks do you reccomend to read further on hvac controls?
@MWisknight
@MWisknight 2 года назад
For the questions in the video stated my answers are as following : A-Residential Apartment. B-To control the AHU via Programmable Controllers DDC.
@islam56898
@islam56898 2 года назад
Paul we need a video about glycol chiller
@sreeramgopaltaninki8376
@sreeramgopaltaninki8376 2 года назад
Can you do a video on Chiller Unit of the like used in Airports, Hotels of such. Thanks.
@cofa4011
@cofa4011 2 года назад
I recently had the need to design such a controlled circuit to improve the unfamous little chinese CO2 laser ;) and I will probably have to plan something similar for an automatic watering system for the garden eventually pushing the fun up to an android app to overwatch and set some parameters and collect data over period of time. Maybe next summer. Anyway, nice video !
@Vrf_Vrv
@Vrf_Vrv 8 месяцев назад
Good job
@yogeshdaunde3457
@yogeshdaunde3457 Год назад
Please make the video on assembly and working principle of mother lathe and milling machine..
@ansarahmed1021
@ansarahmed1021 2 года назад
very good
@chhaiks651
@chhaiks651 2 года назад
Can you please give me the fully explain of the PCB of the airconditioner vork
@humongousdingus7382
@humongousdingus7382 2 года назад
I was thought a dead band should be 3 degrees to keep the units from short cycling.
@khurramy
@khurramy Год назад
If a reservoir water level is low, the signal could come back to the CPU to start the pumps so that water gets pumped from the Dam into the reservoir
@dopeytripod
@dopeytripod 2 года назад
i have a trinity ti 150 boiler with 3 zones--seems when the basement zone comes on the boiler goes full out to 240 yet if the main floor goes on the boiler stays at 50 & takes forever? I assume its settings?? I looked at the manual it shows nothing about it :(
@M-Cycle
@M-Cycle 2 года назад
There is a kind of air conditioning which does not need almost any controls. There is no compressor and refrigerant in water evaporative air conditioners, no moving parts and high pressure.
@M-Cycle
@M-Cycle 2 года назад
@Adam Peel No, I mean dew-point indirect evaporative cooling with EER 120+ (i.e. less than 10 Watt per 1 kW of cooling capacity.)
@cck1496
@cck1496 2 года назад
Good video. Can anyone tell please what is the chilled beam? Thanks.
@EngineeringMindset
@EngineeringMindset 2 года назад
Please watch our video on hvac heat exchanger
@cck1496
@cck1496 2 года назад
@@EngineeringMindset Thanks for your excellent work. Keep it up.
@chickenz4604
@chickenz4604 2 года назад
Hello Paul how about Back Pressure Valve?
@YaksAttack
@YaksAttack 2 года назад
At around 2:00 on the diagram handling is spelled incorrectly.
@michaelbehr9169
@michaelbehr9169 2 года назад
We've come a long way from wood stoves
@MrAldi31
@MrAldi31 2 года назад
Hi guys does anyone know a good book that explains how machinery’s and equipment work in a site, like cooling towers, chillers, ahu, pdu, ups etc. I am a mechanical engineer and I want to learn how all machinery’s and equipment work and their components
@davldbradley6073
@davldbradley6073 2 года назад
Do you know of any other RU-vidrs that do the same type of thing you do with the boards breadboards trying to make like a light amplifier for sound that I could look into I'd appreciate it thank you
@EngineeringMindset
@EngineeringMindset 2 года назад
Simple audio amplifier circuit video is actually coming in the next few days hopefully, just soldering the board at the moment
@davldbradley6073
@davldbradley6073 2 года назад
@@EngineeringMindset very much appreciated!
@space_engineer17
@space_engineer17 2 года назад
*Problem in HVAC system* Other company employees: *need an technician* Engineering company employees:
@kevincasey2947
@kevincasey2947 2 года назад
Wonderful overview, and greatly appreciated! I can't help but think from a facilities management perspective about all the tenants who constantly complain of indoor comfort issues and how difficult it is to effectively interact with them with appropriate feedback. Disgruntled tenant personnel, Human Resources, tenant unions, Realtor lease agents and others look for and intentionally filter out technical answers in order to hold building maintenance personnel accountable for their personal issues even when the building is working properly. It is almost always a female on male complaint! It drives the occupancy culture towards the negative and it can be professionally threatening for the technical building maintenance personnel. How do you handle that?
@darwinjoshuadeniega9384
@darwinjoshuadeniega9384 10 месяцев назад
How to clean a ventilator?
@qkahmadzai8153
@qkahmadzai8153 2 года назад
Can anyone please answer my question, can we replaced water to any other low boiling liquid in central heating system?
@EngineeringMindset
@EngineeringMindset 2 года назад
Not replace, but you can use other fluids in a system that is designed to handle it. You can get heated oil systems, steam system, refrigerant systems etc
@amiemallich3255
@amiemallich3255 2 года назад
Air Hnalder
@guyduke12
@guyduke12 Год назад
My job and geothermal unit
@SalZam150
@SalZam150 2 года назад
Why use Gas for heating? When you can use heat pump that so much efficient and better and cheaper and doesn't pollute.
@ONeill01
@ONeill01 Год назад
Sometimes gas is used as a backup system
@jonas3598
@jonas3598 2 года назад
Geothermal units
@szabolcs__
@szabolcs__ 2 года назад
Simens s7 is that you
@Derfboy
@Derfboy 2 года назад
AB-QM link is broken.
@EngineeringMindset
@EngineeringMindset 2 года назад
Thank you, looking into it now
@EngineeringMindset
@EngineeringMindset 2 года назад
bit.ly/3pqg0i9
@amarieiandrei3839
@amarieiandrei3839 2 года назад
Inverter
@samus1421
@samus1421 2 года назад
monoxide; not dioxide... but yeah...
@realestateservicessaleshea99
@realestateservicessaleshea99 2 года назад
☕🥃🍺😐👍🏻
@8ZER08
@8ZER08 2 года назад
Celsius > Fahrenheit
@oxide9717
@oxide9717 2 года назад
Men that's too much engineering you could just use I dunno know Google weather service to correctly Automate these task basically do the opposite of what the weather is telling you 1.The weather is sunny turn on AC 2. Winter turn on the heat And plus you can do even add the exact temperature
@yayo2363
@yayo2363 2 года назад
As a controls technician, you have far too much faith in people
@anthonyp3113
@anthonyp3113 2 года назад
@@yayo2363 lol right? This also doesn't account for the need for pressure needs, outside air needs and other possible needs of the customer.
@jetonhaxhia4393
@jetonhaxhia4393 2 года назад
What? The whole point of all this is to provide greater control than on/off signals... reducing wasted energy and providing better comfort/accuracy.
@ONeill01
@ONeill01 Год назад
This is not a novel concept it's been done, they do not need google just a outside temp sensor on the building - more reliable. Then you can control the setpoints to that sensor via a BMS
@garyorlic3080
@garyorlic3080 5 месяцев назад
Co2 is not a bad gas. You mean carbon monoxide. Just hoping you slipped and arent pushing climate nonsense.
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