Chiller - Surge

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In this video we take a look what what chiller surge is, how it sounds, what causes chiller surge and ways to prevent it. We use 3D models, photos and examples to help you build your understanding.
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Опубликовано:

18 мар 2017

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Комментарии : 105

@EngineeringMindset 7 лет назад

⚠️ *Found this video super useful?* Buy Paul a coffee to say thanks: ☕ PayPal: www.paypal.me/TheEngineerinMindset

@ronnelson8954 7 лет назад

Really enjoy your chiller/HVAC videos. Can you do one on the oil lubricating/bearing systems of chillers? Also videos on the different motors of screws, scrolls, recips, loading/unloading, etc?

@mrgreen9086 3 года назад

These videos make so much sense when you know your basic refrigeration cycle, and the seal system. Some great knowledge on this channel.

@EngineeringMindset 5 лет назад

Learn *CHILLER FAULT FINDING* here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Zu0LVVNNVSw.html

@toyinorodare4072 5 лет назад

Thank for your clear explanation. you actually develop my interest in HVAC training and as at today I can design it. thanks a lot

@josephgeorge6189 4 года назад

Excellent explanation! Good job!

@TheSkunk1996 11 месяцев назад

vARY USEFUL. tHANK YOU FOR POSTING AND DEDICATING YOUR TIME!!!!!

@alak3073 5 лет назад

thank you very much for your efforts

@IRSHADKHAN_7503 4 года назад

Thanks for an easy explanation, I have worked on York OM Titan chiller (5090TR) which had hot gas bypass line.

@karunakaranreddy7274 6 лет назад

Nice and thanks Awaiting for VGD and PRV Control in chiller

@Pito422 6 лет назад

again, great videos dude.

@fadiyasin 6 лет назад

very good job thaaanks

@patricktsang1041 3 года назад

Fantastic video!

@Jgriffin0808081 3 года назад

Awesome vid keep em coming

@rickyhurtado2895 29 дней назад

Thanks,for good information

@MaTHEUuuS051 3 года назад

It is very useful! Thanks a lot

@hectortorres542 8 месяцев назад

Thank you

@eulaliorodriguez5325 9 месяцев назад

Thank you for sharing.

@lamichaelkreitz6821 4 года назад

As a Daikin Factory service tech (who was working on these today) I must say I love to see you using our machines as a template for your graphics. I love your videos and this one (although review) is no exception. Cheers!

@unclemonster48 4 года назад

LaMichael Kreitz us old mcquay boyz cheers

@reyruiz7763 3 года назад

Trane no daikin

@OTHG6v 2 года назад

Left Mcquay in 2005, Trane till 2016 and now I do service for them.

@lamichaelkreitz6821 2 года назад

@@OTHG6v I’m happier here at Daikin than I’ve ever been in this trade! Great company to work for! I absolutely love engineering mindset videos as well.

@kaptaintrips Год назад

@@lamichaelkreitz6821 You Daikin guys sure love your pannels and stripped out screws... Still decent engineering compared to others (cough, Carrier). When it comes to chillers, give me a complicated centrifugal any day. Then perhaps a screw...

@BasketballAve 10 месяцев назад

Excellent video

@WillieMakeit Год назад

Thank you very much

@everestinspections9088 Год назад

great video thank

@CircinusMusic 2 года назад

Thank you for the knowledge u share

@MrBerniebling 6 лет назад

nice content, thank you

@emanuels.6541 Год назад

Good stuff. Thanks much

@sadiqueahmad9508 4 года назад

What is chiller surge? It's basically an unwanted situation which occurs due to difference in pressure between outlet and inlet of compressor. It may occur if the temperature of the condenser raises to a level at which the pressure becomes more at the outlet of compressor (going into the condenser) .

@shivaHVAC 3 года назад

How to avoid this issue?

@ibrahimosman3393 7 лет назад

Good efforts waiting for ammonia systems

@khaleejkha4026 7 лет назад

thanks sir

@muhammadawaisashraf2629 2 года назад

Very good video

@gabrielmanut 2 года назад

Saudações aqui do Brasil. Antes de mais nada, quero agradecer e parabenizar pelo conteúdo. Não sei como não tinha visto esse canal antes. Não tinha percebido o "SURGE" dessa maneira. Se não for incomodar muito, poderia responder algumas perguntas? 1- Existe surge por baixa pressão? Onde o "Lift" do compressor fique abaixo do seu limite? Já tivemos casos aqui, que só resolveu corrigindo a vazão no evaporador. 2- A rotação do compressor realmente gira no sentindo inverso? Ou só desacelera? 3- Como posso criar conteúdos tão maneiros com esses modelos 3D? Ficou excelente. Mais uma vez agradeço

@shaikhmudassirazmi6934 6 лет назад

Thanks for this video Please upload design of hvac HAP software related video Please sir its a humble request

@munimechanical3942 3 года назад

Hi sir iam maintained at 1000tr Daikin chiller your video is very usefull

@franzpaez3882 6 лет назад

Can you please also discuss about Oil Migration in Water-Cooled Centrifugal Chiller. Thank you in advance.

@ISLAHIQALB 5 лет назад

Awesome quite fabulous it’s great quite

@morabitaziz9787 5 лет назад

thank you for this védio i am from moroco

@mastadonwesley1042 2 года назад

Our Tranc chillers always surged when the auto fill malfunctioned and the return was starved for water causing the condenser to overheat.

@muhammadawais6336 7 лет назад

please make vedio abuot cool water chiller expension valve

@thabisopaul528 7 лет назад

I want more Industrial practical on refrigeration and air conditioning since I got diploma in mechanical Engineering.

@reyruiz7763 3 года назад

Thanks, not everyone take the time to share knowledge these days.

@muhammadawais6336 5 лет назад

please make on video on lastast sorew compressor and that parts.

@ToothyGus 5 лет назад

Same principle as a centrifugal compressor surge but that one is really scary to stand next to :)

@hafizshams5077 6 лет назад

Can you do a more detail video about bypassing the effect of surge.thanks

@jamesskelly3390 3 года назад

Add a hotgass bypass line

@Luzt. 6 лет назад

At t=292 you said about too great pressure and back flow. This is a description but not an explanation. What exactly happen with gas in the rotor just before/at/after the moment when this critical pressure is achieved? In particular why after achieving this equilibrium it does not become stable/static without flow.

@EngineeringMindset 6 лет назад

before it becomes compressed and heated. At, it finds a route with lower pressure/resistance which means backwards. After, it flow towards the least resistance which is forwards. It can't reach stability because there are different pressures on either side of it and heat is being added or removed.

@karunakaranreddy7274 6 лет назад

Could you please explain briefly the VGD in terms of function and control

@EngineeringMindset 6 лет назад

Vane Guides: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-f-N4isgQRGQ.html

@vhienandrade5353 3 года назад

What caused the chiller trip? By the way thanks to your vedeo

@PunKMeTaLicE 6 лет назад

Hi! I am curious that if the condenser water return is too low such as 21-23C , any issues or problems will be appeared? THANKS! Your videos are really helpful!

@EngineeringMindset 6 лет назад

Depends on the chiller. Some, older ones, need very stable operation but newer ones are made with variable conditions but still have some minimum and maximum temperatures and pressures. If the chiller approaches these limits it will trip and cut the power to protect itself. Check the chiller specifications

@Your_searching_ends_here 6 лет назад

Frm discharge to oil seperator nd then condenser

@superinggotv5622 2 года назад

Surge troubleshooting in contactor amperage

@kyawmyintthan2869 4 года назад

Would an oversized non return valve in the discharge pipe help alleviate this problem.

@kavernianengineering2959 4 месяца назад

Hellow, its allowed integrate a variable speed control on existing chiller with constant speed ?

@Rajajaber1977 3 года назад

Exclent

@user-wq9mm1vg6p 11 месяцев назад

What are the differences on how chiller surge occur for an air-chilled system?

@karrarkarrar2529 5 лет назад

why increase pressure in the condenser

@menskills6368 4 года назад

Why does the chiller surge if the entering water sensor on the evap is bad ? (Changed it because the readings was too high and it worked fine after )

@TheChillerGuys 4 месяца назад

Sounds like a high quality shop vac when they surge

@saqibomer2458 3 года назад

Add chiller display details video

@americafirst6016 3 года назад

Couldn't surge be cause by adaptive purge not working correctly or not purging enough?

@ahmadjaber2818 6 лет назад

Hi, first of all it's a great video, But i have a question,does the pressure relief vents prevent some how the chiller's surge? Thanks in advance.

@unclemonster48 4 года назад

ahmad jaber they are emergency blow offs in case of a pressure switch failure or issue with the machine keeps running past the fail safe pressures. It vents the refrigerant to avoid vessel rupture

@unclemonster48 4 года назад

Surge is just when the machine loses its lift due to being out of its design specs of running. For example someone raises the set point on the cooling tower and lowers the set point below design set point. Your out of balance and the liquid level in the evap will fall there fore affecting the impellers ability to lift the vapor from the lower liquid level in the evap. This is just one scenario, several factors can make a centrifugal chiller stall and surge.

@EngineeringMindset Год назад

Seen our new pressure switch video? Link: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YG81w0HFXNc.html

@mmfeiw8664 3 года назад

why does it also surge while the load decrease but pressure differential maintained？

@FixItStupid 8 месяцев назад

@capitolrefrigerationheatin7501 6 лет назад

why isnt there a check valve in the discharge of compressor like hermetic compressors have?

@therealmcgoy4968 9 дней назад

What would happen if the fan was not operating correctly in the compressor?

@abhimat 5 лет назад

What is the hot gas bypass line? And what is this word you use often - velute or flute?

@EngineeringMindset 5 лет назад

Gas bypass: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-K0xAKzdROEg.html Volute: theengineeringmindset.com/centrifugal-pump-basics/

@SombraLocs 5 лет назад

What are the causes of a low end surge?

@yijiangwang5783 4 года назад

Could you reply what's the different between this surge system and and condenser tube clean, are they the same system ?

@krish6790 3 года назад

Chiller surge can be of any system where the condenser pressure is greater then the compressor discharge.. now these chillers condensers can either be water cooled or air cooled, if they are water cooled you can definitely clean their tubes by carrying out proper shut down operation etc and/or wash condensers if air cooled..

@rajanrai2285 2 года назад

Surging setting ?

@romeopascual6122 3 года назад

The chilled water cycle is not completed you need to add. The expansion tank for the make up refill the lost chilled water supply. Thanks.

@gregdaborn4620 6 лет назад

The pumps should be pushing the water through the chiller, not drawing it through.

@aboodi297 7 лет назад

Can you explain who Low section Temperature happen and what is the reason with solution

@EngineeringMindset 7 лет назад

Could be a lot of things, low refrigerant level, faulty or incorrect sized expansion valve, wrong refrigerant used. Best to take some screenshots of the VDU, check the fault code and look in the service manual to diagnose the problem.

@EngineeringMindset 6 лет назад

We just covered chiller faults in our recent video! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Zu0LVVNNVSw.html

@mrabby8537 2 года назад

Why compressor oil comes in the evaporator, even if an oil separator is installed. Evaporator tube leakage oil, water, and refrigerant mix in my case. I will be very grateful if you make this video by giving the real reason.

@EngineeringMindset 2 года назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-qxRHCbitLzI.html

@jeejiean 4 года назад

Thanks for the explanation! One of my chiller here was really troubled by those surging problems. The hot gas bypass, guide vane & VFD compressor seems like cant really coordinate well and suffered from surge tripping while the heat load was dropped suddenly (change of shift in a factory). The chiller part load table claimed that it was able to provide up to 15% part load, but the chiller just refused to run in so low speed (Chiller tripped in around 60% part load) While we are pretty sure most of the parameters (condenser delta T, flowrate, etc) was good during chiller surging, we are deeply troubled by this centrifugal chiller Any idea or thought of this? Thanks in advance for any comment!

@unclemonster48 4 года назад

jeejiean what brand of machine? Is it variable speed? Most machines struggle at part load anyways.

@EngineeringMindset 4 года назад

VFD Video is now live! here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-yEPe7RDtkgo.html

@mzs9262 7 лет назад

please answer this , if there is good heat transfer in the condenser as you describing in the video ... then There is only removal of the latent heat ,... The temperature and pressure remains same. Then how we can eliminate the Surging phenomenon please tell...? Because for surging we have to decrease the pressure from the condenser ? Please correct me if i am wrong !!!

@EngineeringMindset 7 лет назад

Many things affect this, the supply and return temperature of the water, the flow rate of the water or refrigerant etc etc. If your chiller is surging then you should contact your service provider or manufacturer for assistance asap.

@altamashshh1984 7 лет назад

Muhammad Zaroon Surging in itself happens when there is improper heat exchange caused by the combine effects of fouling,flowrate variation Etc etc inside the condenser...which directly leads to lower heat transfer and hence higher temperature and pressure build up.So your statement that the temperature remains constant is incorrect