Basic HVAC Controls - learn hvacr

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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[EngineeringMindset]

*These videos take a long time to make* if you would like to buy Paul a coffee to say thanks, link below: ☕

[michaelchapa]

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.

[EJD]

Finally. A video I can send to my parents/friends when they ask me what my job is.

[jasonjohnsonHVAC]

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

[DJLuDog]

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

[switchgearv]

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.

[sssjjtf]

a very useful video, which teaches me things that I have researched for over a day in only 12 mins.

[kennethhicks]

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!

[mohammadh]

سلام وهزاران 👍 ...برای همه اطلاعات علمی تخصصی خوبتون
شماها برلیانس هستین و باشکوه
تشکر وبسیار ممنون

[jamestorres]

Im a control rough in installer this video help me understand the system more thanks!!!!

[starmc]

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.

[cpaul]

I learned more from this channel then my half ass hvac tech school.

[johnadams]

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

[asemahmed]

It's super excellent work thanks sir very much

[prk]

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?

[GrumpyLantern]

I'm a controls tech by trade. We primarily deal with Schneider systems and work on mostly HVAC, lighting and access.

[warrenscorner]

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!

[ammoniahuffers]

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...)

[nate_d]

Used to deliver HVAC commercial and residential systems, and parts. Pretty familiar with most parts, never installed any though.

[sreeramgopaltaninki]

Can you do a video on Chiller Unit of the like used in Airports, Hotels of such. Thanks.