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Model Y Updates to Model 3. USB-C, Wireless Charging, Heat Pump ?
- Thread starter jeremymc7
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SammichLover
Banned
Do links from the Model 3 parts catalogue work, if the reader has a Tesla account to long in under? https://epc.tesla.com/#/systemGroups/47376
EDIT>> I guess not, so here's a screen cap:
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SammichLover
Banned
It is a bit more extensive than just softwareThe heat pump in the model 3 is awaiting a bug fix, right now it only runs backwards.
, but basically.If you go through Section 18 of the parts manuals for both the Model 3 and Model Y, and compare and contrast, you can see the similarities [and differences].
EDIT: I also don't spot an obvious part of the Y as a back-up resistor based heating element, so they may have indeed been able to do away with it? Or it might just be integrated within #1 of the Heater Assembly, the HVAC Module Assembly. It would probably be easier to check in-person, and you'd need an orange line coming in to feed power for that.
EDIT2: Thinking about it, they might use the DU as the "back-up" but I think that'd require priority going to the battery pack before the cabin?
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There is no HV heater for the cabin in the Model Y. There are two 12V heaters that can be used but I think they are mainly for the split temperature management. If you look at the Tesla patent for the heat pump you will see that they can run the fan and compressor in an inefficient method to generate heat, like they do with the drive units to heat the battery in the Model 3, so they don't need a separate heater.
It is a bit more extensive than just software
OH yeah, was just in jest.
SammichLover
Banned
I've been Ninja'd!
See my 2nd edit above. My brain was on the path there, saw the issue with the side trip I was making, I just didn't make it all the way to using the those two like that. Very interesting, cute trick.I've been Ninja'd!
There is a good video series that shows how someone thinks the HVAC system works:
Tesla also described the heat pump features in the Model Y EPA application. The relevant text is in this thread:
HVAC and heat pump innovations as described by Tesla
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The Model 3 will get the Model Y heat pump and it will happen sooner than later, but that is still months off.
As far as all the "well technically" nonsense going on in this thread about if the Model 3 has a heat pump already; the layperson would define the cabin climate control as an AC and not a Heat Pump and calling the AC a heat pump because you have a BSME and it pumps heat is only confusing the situation. The current Model 3 uses resistive heating for the cabin, the Model Y doesn't, and the Model 3 will get what the Model Y has which will result in an increase in official range numbers and probably a bit of a price increase.
They just have to settle on which parts to share to optimize costing, source the materials in the era of Covid shutdowns, and make the change. I would put money on them having already figured out the cost optimized design changes and probable even already planned the changes to the production line. They probably have logistics nailed down too since it would just be more of the same stuff and their suppliers will be starting back up and ramping up. I wouldn't be surprised if it happens before Labor Day, but I also wouldn't be surprised if something comes up and it doesn't happen until Q1-2021. I would be absolutely shocked if Q1-2021 ended without Model 3s rolling off the line with heat pumps.
As far as all the "well technically" nonsense going on in this thread about if the Model 3 has a heat pump already; the layperson would define the cabin climate control as an AC and not a Heat Pump and calling the AC a heat pump because you have a BSME and it pumps heat is only confusing the situation. The current Model 3 uses resistive heating for the cabin, the Model Y doesn't, and the Model 3 will get what the Model Y has which will result in an increase in official range numbers and probably a bit of a price increase.
They just have to settle on which parts to share to optimize costing, source the materials in the era of Covid shutdowns, and make the change. I would put money on them having already figured out the cost optimized design changes and probable even already planned the changes to the production line. They probably have logistics nailed down too since it would just be more of the same stuff and their suppliers will be starting back up and ramping up. I wouldn't be surprised if it happens before Labor Day, but I also wouldn't be surprised if something comes up and it doesn't happen until Q1-2021. I would be absolutely shocked if Q1-2021 ended without Model 3s rolling off the line with heat pumps.
SageBrush
REJECT Fascism
I'm a fan of heat pumps as much as anyone but people should realize that they also have trade-offs.
1. Low peak power
2. Limited useful temperature profile
Just because the heat pump did wonders on the EPA cycle does not mean it will do the same for any particular driver. It is a YMMV, and more importantly the climates that that are the most demanding in the Winter will see the least improvement. I live in a moderate-ly winter climate (10 - 30F for 4 months a year) and I'm really OK with pre-heating off the mains and then mostly relying on heat heating for comfort.
And now I return you all to your mostly ill-informed, pseudo-technical FOMO fest
1. Low peak power
2. Limited useful temperature profile
Just because the heat pump did wonders on the EPA cycle does not mean it will do the same for any particular driver. It is a YMMV, and more importantly the climates that that are the most demanding in the Winter will see the least improvement. I live in a moderate-ly winter climate (10 - 30F for 4 months a year) and I'm really OK with pre-heating off the mains and then mostly relying on heat heating for comfort.
And now I return you all to your mostly ill-informed, pseudo-technical FOMO fest
SageBrush
REJECT Fascism
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