HVAC Primary & secondary circuits

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Published 2017-05-06

In this video we take a look at the Primary and secondary circuits in a typical centralised HVAC heating or cooling system within a commercial building. We look at the purpose of each and what plant items are contained within each.

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Read this book ➡️ hvacr.life/Best-Chiller-Book
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👀 Links - MUST WATCH!! 👀
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How water cooled chiller works Prt1 -    • Chiller Basics - How they work
How water cooled chiller works Prt2 -    • Chiller Basics - How they work part 2
How Air cooled chiller works -    • Absorption Chiller, How it works - wo...
How Absorption Chiller works -    • Air Cooled Chiller -  How they work, ...
How Heat Pump works:    • How A Heat Pump Works - HVAC
Primary & Secondary system:    • HVAC Primary & secondary circuits
Fan Coil Units:    • Fan Coil Unit  - FCU HVAC
VAV Systems:    • Variable Air Volume - VAV system HVAC
CAV Systems:    • Constant Air Volume - CAV HVAC System
VRF Units:    • Video
HVAC Basics:    • Fundamentals of HVAC - Basics of HVAC
Heat Exchangers:    • Plate Heat Exchanger, How it works - ...
Pumps:    • Centrifugal Pump How Does It Work
How a Chiller, Cooling Tower and Air Handling Unit work together -    • How a Chiller, Cooling Tower and Air ...

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#HVAC #refrigeration #engineering

All Comments (21)

@EngineeringMindset 6 years ago

⚠️ Found this video super useful? Buy Paul a coffee to say thanks: ☕
PayPal: www.paypal.me/TheEngineerinMindset
@pabloorellana7966 6 years ago

We would be lost without you sir! My most warm and sincere THANK YOU!
@yjk2198 5 years ago

I’m a student majoring in architecture and your videos is so much helpful that i can finally understand the chiller system which i’ve never fully understood for whole college years... Thanks alot😭
@frederickskmucktoom3550 5 years ago

I’m a big fan of your work. The good clear explanations that goes with it makes the systems easy to understand. Keep it up!
@aliakber3318 5 years ago

can you make a video about constant and variable flow chilled water systems?
please.....
@4umahin 6 years ago

thanks for uploading these videos..helps in better visualisation & understanding the concept. ..keep it up I support you...
@venkateshn.s7946 2 years ago

One of the best engineering videos ever.. Good work. Thanks
@babaksp4235 6 years ago

Thank you for uploading your videos which are so useful.
As you know, ducts are very important parts of HVAC industry.just wondering if you can upload some videos about duct sizing, duct installation, material and ext.....

Thanks
Babak
@omarabdulaziz849 6 years ago

can you explain the chemical dosing

and chilled water tests

thank you for your explain how it works
@williammichaelsexton 5 years ago

Excellent video per always; thank you.
@addanhaya2625 6 years ago

thanks so much for this videos ,please continue.....
@christopherboniatian9054 6 years ago

Thank you a lot for the all the effort you put on this videos, they couldn't be more educative. As you mention there is another video about whats exactly going on the Common header, Unfortunately i was not able to fine it, I would appreciate if you send the link.
Sincerely yours
@vishnuvijayakumar1294 3 years ago

Need a detail video about decoupler
@4umahin 6 years ago

please share technical specification efficient wise comparison between screw & double screw & centrifugal compressors
@scottcampbell1370 3 years ago

Thank you for this video!!
@jakeirwin1968 3 years ago

Excellent video, thank you very much!
@mohdadnan1888 5 years ago

thanks once again paul
@zakirullahzakir6569 4 years ago

Please make a video on Primary- Secondary Flow and Variable Primary Flow chilled water system... I would be really thankful
@dickyrock1 1 year ago

yep big fan thanks man another good video. Thanks,
@kingkongtiger 6 years ago

Is the low loss header installed for the purpose of maintaining the minimum flow rate for the chillers/boilers even though the loading required is not that high?