Correct this is the limitation, it is all legacy code and being stretched very far and is breaking at the seams.

modellfan wrote: ↑Thu Jun 12, 2025 11:47 pm Just left in the CRC file. Will add it again . Please have a look at my messages . I found many additional interesting signals.

Cool, did you create a DBC for easy tracking of the newly found signals?
I cannot really find anything too "interesting" in the module.cpp

The Tesla M3 PCS is NOT waterproof, so I would re think its location and house it in something.

You need a start signal to go into precharge.

And you giving it a start 12V signal?

You can use the print function to save as pdf, or atleast you can for windows, easier to save.

Any errors in the spot values?
Please post all your spot values.

You double check all your inputs are showing up as they should?

Arduino Lib with some SimpBmS bugs fixed and much more messages reverse engineered . You can even see which cells are upwards or downwards balanced : https://github.com/Modellfan/TeensyVCU/ ... ery%2520i3


Where did you mention it is derived from my work?

The id assignment info is in the BMW ...

for example - B and B+ from inverter are not connected via a relay at the moment, they are just connected to a constant +12V that also goes into the zombie perm +12V.


That wont work, you need the relay controlled by the zombie. The zombie pulls the relay coil to ground to turn it on at the ...

... No thats not the inverter but the Zombie Verter status.

Show you spot values.

Show all your low voltage wiring too please. Did you fully wire it as explained here: https://openinverter.org/wiki/GS450H_with_zombieverter

The wiring for UDC1 into the shunt needs to be inverter side not supply ...

Ground is vehicle chassis ground/12V ground. HV ALWAYS floats both the return/negative and the positive

Good report on efficiency, it shows on page 12 your requirements of rpm and nm is possible. You for a rule of thumb roughly mirror it to negative for generation.

https://www.energy.gov/sites/prod/files ... 2013_o.pdf

What's the danger? Will it burst


Explode as its a gas, it will rupture and shred the lot and send it flying. Strongly not suggested to risk. Note the running pressure of the condensor is atleast roughly 5x that of the condensor. I am looking for more detailed numbers at the minute.

Note how ...

AMP3R wrote: ↑Thu Jun 05, 2025 12:15 pm An evaporator from GMC cars

I do not know if I would trust an evaporator to run as an condensor.

R134a pressure loop
https://www.hvacbrain.com/blog/examinin ... -pressure/

mane2 wrote: ↑Thu Jun 05, 2025 3:57 pmMagic

So the time spent with myself and someone else was worth it then. So just running a full id assignment got the Master CSC to realise there are 11 more and not 5.

What are you looking to use as condensor, one from an EV? As that will be alot more pressure then an Evaporator.

Do the following if you need help:
Post params
Post plots of the values
Post wiring information
Post pictures of setup

You can always cobble together something like a VSEC or other hobby bldc controllers to run the pumps. Those TI chips do look mighty fancy though and would yield alot finer control.

Key thing to make sure in the repurposing is to ensure you do not end up with alot higher flow restrictions compared ...

So the question is.. Does it get configured to look for 12 or 6 modules for PHEV suv or saloon.

The module detection means that SimpBMS is working as it should. What code are you running?

Please provide pictures of the charger board. There have been a few versions.

Most likely needs coding in a full pack and possibly car before its happy.

https://github.com/damienmaguire/Stm32- ... are/Zombie here is some on github.

passage is calculated based on feedback from the pressure sensor.


EXVs are steppers, 4 pole I believe.

Correct you are looking to hit delta P's across the EXVs with various targets based on cooling demands. Which ofcourse depends on the target temperatures of the Heat exchangers, cabin ...

More diagrams.

https://www.mdpi.com/1996-1073/15/17/6118

Sure but that is the patent diagram.

This your source? https://aircondlounge.com/how-tesla-heat-pump-works/

The main difficulty is in the freon temperature/pressure sensors.


Not really they are just off the shelf analogue sensors, which Wim426F has done the mapping in his software already.

The hardest part is the control logic of the system, there are so many valves both coolant and refrigerant ...