P3 | Tesla Model Y Thermal management system with OCTOVALVE & HEATPUMP | Working in Detail

[@zilogfan]

Wholly crap. This video is the best youtube video I have ever seen. It could be improved with some fluff showing the valve and discussing how compact and efficient it is implemented but there are other channels that have done that to degrees. You guys have done all the heavy lifting and presented it beautifly. Outstanding work!!! I am new to your channel and am a huge fan!

[@eugenehubariev8712]

really cool explanation. That what I was looking for. Was just curious how my car works to use it more efficiently. Thank you!

[@kbmblizz1940]

🏆Nice work and ingenious design. Sure to add range to cold regions. But I' dont like all those liquid connections added.

[@kschleic9053]

The real engineering genius of Teslas implementation of this system is the collection of many of these valves and associated plumbing into a single manifold block, minimizing the number of connections that could leak.

[@alesksander]

@@kschleic9053 This. Like somesort pcb analogy come to mind. As Sandy put it.

[@jamesbruce1183]

Fantastic. Thanks so much.

[@danielvanced5526]

Interesting, a nice improvement would have been a visualisation of airflow through the compressor and evaporator to the cabin. Including for example recirculation in the cabin heat recovery phase.

[@TusharAt]

Awesome!

[@battousaihimura]

Awesome 3 part videos!

[@bnkwupt]

Outstanding video series

[@pinoyhvacteknisyan8140]

This kind of theory and principle I like,!!🥰🥰 Not like that free scam energy.😂😂

[@lifeofwayne]

Hi bro, i'm a Chinese Tesla fan and a Chinese KZbinr. I learned a lot from this video about Tesla heat pump! Super helpful! Can i use this as a material to introduce "How tesla heat pump works" to Chinese audience? I will give you record and tell them this research is from your channel.

[@bluecruiser-mt1kf]

Thanks for creating and sharing this information. I very much appreciate the time and effort you expended to provide these videos, which are informative and clarifying. Question - can you steer me to information on the temperatures associated with the various components in the cooling/heating system? I am specifically interested in the motor/drive train temperatures. Are there any cooling scenarios where the primary objective is to cool the drive motor to increase its efficiency? (For Tesla or any other OEM's?) Thanks

[@sebastianuhl]

Holy f, that video is so detailed and perfectly explained and animated. You deserve so much more subscribers! Where did you get that information about the system?

[@kelvinyang7475]

Can you talk about the local heat loop in the Model Y heat pump and how’s that improving low temperature performance? Thx 🙏

[@ISG_IDLE]

Thanks for amazing knowledge.

[@ryanpalmer6816]

Insane - great video, and great job Tesla 😧

[@StormsparkPegasus]

The 2021 refresh Model 3 has this same system now too. (The Model 3 did not have this at the time this video was made.)

[@ruaraidhmcdonald-walker9524]

Great videos

[@jayshreedeshpande6912]

Superb👍

[@aaronj2652]

I have doubts about whether Cooling Mode 3 actually works the way depicted in the video (or whether there's possibly a Cooling Mode 4). If it is very hot outside, think it would be more efficient if the octovalve were positioned such that the Chiller/Battery were in their own circuit, like in Cooling Mode 1, and the LCC, Radiator, and Drive Unit were in a separate circuit, also like in Cooling Mode 1. The only difference would be that the Cabin Condenser would be unused and the Cabin Evaporator would be active. Let's call this configuration "Cooling Mode 4", for now. Let's say it's only 20-25C outside. Cooling Mode 3 would make sense, since the atmosphere would be able to cool off the coolant quite a bit before it returns to the Chiller. The drive unit can be cooled more in this configuration since it receives coolant directly from the battery, before the coolant is routed to the LCC to pick up rejected heat from the Compressor and then routes to the Radiator. However, let's say it's 45C outside. In this case, the coolant coming out of the Radiator would be no cooler than 45C! It does not make sense to send that 45C coolant straight to the Chiller so that all of that heat can be sent through the refrigerant, via the Compressor, all the way back to the LCC again. This would be highly inefficient. It seems like it would be far better to use the hypothetical "Cooling Mode 4" to route coolant straight back to the Chiller after it leaves the battery, and have the coolant go directly to the drive unit after it leaves the Radiator. I know that the drive unit can be cooled sufficiently, even if it's hot outside, because that's how the superbottle worked, with two separate coolant loops, one that uses a Chiller to cool the battery and another that directly pumps coolant between the drive unit and Radiator.

[@Tesla-pq5xz]

How is the condensate from the system collected and directed from the vehicle. My model Y has liquid exiting from both the edges of the pan under the frunk and from the rocker panel area just forward of the right rear wheel.

[@mshafiq109]

Very well done. Thanks for all this effort. Keep posting such content. Would you please like to tell which software you use for making these animations? I want to create such animation for my project. Please share the name

[@publicshared1780]

In what parts of this diagram is the coolant under pressure relative to other parts of the diagram?

[@thatsilverxj7874]

Good work!

[@JeffreyYamada]

I’m not an technical person, so I’ll need to watch these over again, but basically the impression I got was that the octovalve + heat pump makes heating more efficient in cold temperatures. Cooling is pretty much the same in the model 3. Is this correct?

[@chilisauce2727]

Major difference between old Model 3 cooling and new Model Y cooling is the condenser in the 3 was air-cooled and now the Y has a liquid cooled condenser. The trade off is the Y doesn't need to fit a bulky air-cooled condenser in the nose of the vehicle, but now it has to run its coolant pump while cooling the cabin.

[@areitu]

The heat pump itself is what makes heating/cooling more efficient, while the Octovalve determines which systems are heated or cooled, like the cabin, drive unit, battery, and electronics. Heat pumps are nearly identical to traditional cold air A/C systems, but have a reversing valve so it can run "backwards." Since A/C works by removing heat from the air and putting it outside, a heat pump can take heat from outside and put it inside. In some conditions, a heat pump can use less energy to produce the same amount of heat an electric resistive heater found in most EVs, which is where the added efficiency comes from

[@rohandeshpande7896]

Superb channel 👍

[@UntangleClub]

Thanks for the visit

[@tonyli4475]

Thank you so much for sharing! I am working on a project about heat pump systems for EV, is it possible if I can contact you for some discussion or you can share with me some reference that I can look into? I really like all 3 of your videos in this series, explained in simple words and easy to understand how it works. I hope you can get back to me:)

[@UntangleClub]

Glad you like it! This patent will help you. Patent- US 2019/0070924 A1

[@sippymofficial]

stay active

[@danielpelc3779]

What is the refrigerant used in this system? Standard r134 that most cars use?

[@battousaihimura]

R1234yf

[@silberlinie]

Good but demanding

[@airconchoi]

Teslar you are really fronteer for TMS. Refrigerant is R 134a? R1234yf?

[@battousaihimura]

r1234yf in Y & 3 .r134a was used in S&X (probably switched out now), since r134a is not really eco friendly

[@klauslienig4058]

Looks very expensiv. Will not survive in the future.