How a Chiller, Cooling Tower and Air Handling Unit work together
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Date: 2023-11-17
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• TED-Ed
Comments and reviews: 30
Lennon
This is a very informative video and thank you for that. However, I lost you mid air. You said the water is pulled out of the chiller, through the dark blue pipe at 6 to 8 degrees. Goes up to collect heat that is stored in the Air Handling units. And when it leaves the AHU it will be about 14 degrees. It comes down to the condenser part of the chiller, then out of the condenser at about 35 degrees through the red pipe up to the cooling tower on the roof. How did the water change from 14 degrees to 35? That part is missing. You then went on to say, when it leaves the Colling tower back to the chiller it will be about 27 degrees. What then happens in the chiller that it goes out to the AHUs as 6 to 8 degrees again? Please help.
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This is a very informative video and thank you for that. However, I lost you mid air. You said the water is pulled out of the chiller, through the dark blue pipe at 6 to 8 degrees. Goes up to collect heat that is stored in the Air Handling units. And when it leaves the AHU it will be about 14 degrees. It comes down to the condenser part of the chiller, then out of the condenser at about 35 degrees through the red pipe up to the cooling tower on the roof. How did the water change from 14 degrees to 35? That part is missing. You then went on to say, when it leaves the Colling tower back to the chiller it will be about 27 degrees. What then happens in the chiller that it goes out to the AHUs as 6 to 8 degrees again? Please help.
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James
Dude, work on the audio. I think you actually need some kind of background noise or something. The absolute silence in the back magnifies the saliva separating inside your throat as you swallow between your words. Literally listening to your tongue and lips smack while your cheeks turn up more saliva before you swallow it down really takes away from my focus
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Dude, work on the audio. I think you actually need some kind of background noise or something. The absolute silence in the back magnifies the saliva separating inside your throat as you swallow between your words. Literally listening to your tongue and lips smack while your cheeks turn up more saliva before you swallow it down really takes away from my focus
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Shimal
Can anyone help me with this question
At my site we have a forced draft cooling tower and there's a return and supply header
The question i have is that in this system there is a inter connection between the 2 headers
May I know what might be the reason coz I did some research and I couldn't find anything
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Can anyone help me with this question
At my site we have a forced draft cooling tower and there's a return and supply header
The question i have is that in this system there is a inter connection between the 2 headers
May I know what might be the reason coz I did some research and I couldn't find anything
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John
How good is this - I have done a undergraduate and masters degree in Mechanical Engineering and obviously did Air Conditioning as a subject but we did Jack shit on Chillers and Cooling Towers. Hence as you expect when doing university courses - you learn nothing practical and practically nothing.
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How good is this - I have done a undergraduate and masters degree in Mechanical Engineering and obviously did Air Conditioning as a subject but we did Jack shit on Chillers and Cooling Towers. Hence as you expect when doing university courses - you learn nothing practical and practically nothing.
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RAIN
just one question, in the video, you said the red pipe is the higher temperature, but why the compressor is connected to the orange pipe? I thought the red pipe should connect the compressor because it needs to be pumped up to the cooling tower? (like the darker blue pipe pumping up to the AHU'S
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just one question, in the video, you said the red pipe is the higher temperature, but why the compressor is connected to the orange pipe? I thought the red pipe should connect the compressor because it needs to be pumped up to the cooling tower? (like the darker blue pipe pumping up to the AHU'S
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steffankaizer
its a shame the two water systems are so segregated energy wise. with the simple (not so simple) addition of a reversing valve the heatpump could also heat the building. there may very well be enough space on the roof for some commercial solar pool heater next to the tower.
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its a shame the two water systems are so segregated energy wise. with the simple (not so simple) addition of a reversing valve the heatpump could also heat the building. there may very well be enough space on the roof for some commercial solar pool heater next to the tower.
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Tony
I still don't understand the point of the water on the condenser / cooling tower side. if the flow and return of the chilled water on the right is a system unrelated to the left cooling tower water what is the need for the cooling tower system?
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I still don't understand the point of the water on the condenser / cooling tower side. if the flow and return of the chilled water on the right is a system unrelated to the left cooling tower water what is the need for the cooling tower system?
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jujurock64
Hello. I'm in NYC and just recently gotten involved with Engineering school. Unfortunately I am lost what would be the best video to start with. Iv always been more of hands on as well as videos. I'm 2 month in and lost. thanks
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Hello. I'm in NYC and just recently gotten involved with Engineering school. Unfortunately I am lost what would be the best video to start with. Iv always been more of hands on as well as videos. I'm 2 month in and lost. thanks
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Jerry
A system like this should also use balancing valves to regulate flow to each AHU, otherwise, there will be a problem with the distribution of water. Highest AHU will have less flow and cooling will take more time than the lower AHU.
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A system like this should also use balancing valves to regulate flow to each AHU, otherwise, there will be a problem with the distribution of water. Highest AHU will have less flow and cooling will take more time than the lower AHU.
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Asif
I am confused about one thing. You have said that the CWR comes back to the condenser and then that water is supplied back to the cooling tower, if that's the case how is the evaporator getting the chilled water? What am I missing?
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I am confused about one thing. You have said that the CWR comes back to the condenser and then that water is supplied back to the cooling tower, if that's the case how is the evaporator getting the chilled water? What am I missing?
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Lian
Thank you for creating these videos, I am taking notes to be prepared when I start my HVAC study course next year.
Question though: How does the evaporator able to absorb heat when it is next to a blower that blows cold air?
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Thank you for creating these videos, I am taking notes to be prepared when I start my HVAC study course next year.
Question though: How does the evaporator able to absorb heat when it is next to a blower that blows cold air?
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Erika
I absolutely love how thorough you are! thank you! recently changed my career and became a hvac tech for the union in Hawaii but being a female in this field has its disadvantages. your videos will definitely help me. thank you
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I absolutely love how thorough you are! thank you! recently changed my career and became a hvac tech for the union in Hawaii but being a female in this field has its disadvantages. your videos will definitely help me. thank you
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KAHIT
Sir so the pipes of evaporation is going to the coil into the AHU for cooling / warmer depends on what they need
Can you put pipes for refrigerant going in AHU coils so we can understand the complet cycle og this course
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Sir so the pipes of evaporation is going to the coil into the AHU for cooling / warmer depends on what they need
Can you put pipes for refrigerant going in AHU coils so we can understand the complet cycle og this course
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Erwin
Great video, just to confirm. The pump that exists the condenser should be in the hotter tube? to take that water to the cooling and tower. And then the water falls by gravity in the orange tube, right?
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Great video, just to confirm. The pump that exists the condenser should be in the hotter tube? to take that water to the cooling and tower. And then the water falls by gravity in the orange tube, right?
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high
So what exactly happens to the chiller itself when the water cooling tower stops working? Does everything shut down automatically or does the chiller trip out on high head pressure?
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So what exactly happens to the chiller itself when the water cooling tower stops working? Does everything shut down automatically or does the chiller trip out on high head pressure?
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Chrominance87
What's the advantage to using chilled water as a cooling medium, as opposed to say using regrigerant to remove heat from the space and getting the same result?
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What's the advantage to using chilled water as a cooling medium, as opposed to say using regrigerant to remove heat from the space and getting the same result?
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dantheman
So we could say the cooling tower is dedicated to cooling the chiller only and has no direct interaction with the ambient air in the building?
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So we could say the cooling tower is dedicated to cooling the chiller only and has no direct interaction with the ambient air in the building?
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education
Thanks mate do really appreciate this! you are explaning this very well. Needed a refresher, Going to work with cooling n heating in Bristol!
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Thanks mate do really appreciate this! you are explaning this very well. Needed a refresher, Going to work with cooling n heating in Bristol!
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junwei
Simple and easy explanation for beginners to understand.
Thanks for providing 3D model and real equipment outlook for better understanding.
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Simple and easy explanation for beginners to understand.
Thanks for providing 3D model and real equipment outlook for better understanding.
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Aadhya
I am a dumbhead learning architecture. I have to learn building services and I have found your videos very very very helpful. thank you.
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I am a dumbhead learning architecture. I have to learn building services and I have found your videos very very very helpful. thank you.
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Ismail
Please prepare video tutorial for types of diffusers and criteria for design of diffuser for chilled water thermal energy storage tanks
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Please prepare video tutorial for types of diffusers and criteria for design of diffuser for chilled water thermal energy storage tanks
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Lou
I believe the condenser pimp is piped backward. Discharge of the pump should be going to the top of the cooling tower, not into the basin.
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I believe the condenser pimp is piped backward. Discharge of the pump should be going to the top of the cooling tower, not into the basin.
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Panchanatham
Interesting & useful. Very low audio. Mostly Many may not listen fully like me. If possible improve the Audio & load it again
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Interesting & useful. Very low audio. Mostly Many may not listen fully like me. If possible improve the Audio & load it again
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education
Newbie question: what is the point of cooling the hot water? And what is causing the orange warm water getting returned red hot?
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Newbie question: what is the point of cooling the hot water? And what is causing the orange warm water getting returned red hot?
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Raj
Can somebody help me understand the purpose of the condensed water system? Why is water sent to the cooling tower and back down?
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Can somebody help me understand the purpose of the condensed water system? Why is water sent to the cooling tower and back down?
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Arunkumar
Please provide videos on marine machineries and equipments. It would be so helpful for mariners attending several exams.
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Please provide videos on marine machineries and equipments. It would be so helpful for mariners attending several exams.
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Alex
Im a hvac sparky of 8 years and still love learning and topping up my knowledge of different systems, love your videos
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Im a hvac sparky of 8 years and still love learning and topping up my knowledge of different systems, love your videos
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Derick
Love it. I was wondering if you have done videos about air separators or expansion tanks for chill water systems?
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Love it. I was wondering if you have done videos about air separators or expansion tanks for chill water systems?
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Sergio
I liked your videos but the only catch is the sound, it's too low we can't nearly hear the explanations.
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I liked your videos but the only catch is the sound, it's too low we can't nearly hear the explanations.
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2D
Basically a giant water water heat pump. I wonder what refrigerant they use, and what COP these can achieve
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Basically a giant water water heat pump. I wonder what refrigerant they use, and what COP these can achieve
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