Ingenious Makers P11 – ESPHome Panasonic Climate Interface

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Matthew
Matthew
March 18, 2025 10:19

Are you able to highlight the changes in this version compared to
https://www.ingeniousmakers.com/index.php/2023/09/02/esphome-panasonic-climate-interface/
and also the reasons for the update.
Thanks

Last edited 3 months ago by Matthew
Tom
Tom
April 3, 2025 12:45

Hi, great work on this. Can I just clarify the use of the optional temperature sensor please? If the temperature sensor is installed, does it replace the existing internal temperature sensor of the unit?

Tom
Tom
Reply to  michel
April 3, 2025 14:50

Thanks for the fast reply. What does it do then – just show up as another sensor in esphome?

Nick
Nick
Reply to  michel
June 3, 2025 00:23

I included the optional temp sensor on JP2. However, it does not seem to be exposed as a sensor in Home Assistant.

Can you elaborate on how we get this working?

Looking at the *old* project, I see the following in the esphome configuration:

## It possible to wire an optional temperature sensor
## DS18B20 1-wire Temperature Sensor
#dallas:
#  - pin: GPIO01
#sensor:
#  - platform: dallas
#    # Check the dallas sensor address in the log file
#    # For more info: https://esphome.io/components/sensor/dallas.html
#    address: 0x540000001524be28
#    name: "$long_devicename Temperature"
#    id: temp

Is this still valid for this new version?

Louis
Louis
April 17, 2025 19:52

how can i use the one wire temp sensor? what needs to be added to the code? that the thermostat in homeassistant the one wire temp is showing. I can’t manage to show the temp. 

Thanks

Lars
Lars
Reply to  Louis
July 1, 2025 09:39

I am also wondering that, maybe update the example with all functions possible, just commented out?

Odox
Odox
May 4, 2025 08:30

Does the P11 work for Panasonic Aquarea monoblock? Or do they use another protocol?

Alex
Alex
May 7, 2025 16:54

Hi, I flash ESP32-C3 Super Mini but if I try to connect to its AP it disconnects and reconnects continuously.
It seems that when it scans for wifi its AP keeps disappearing and reappearing

Alex
Alex
Reply to  michel
May 8, 2025 11:10

I removed ESP32-C3 Super Mini from the PCB but I have the same problem with the AP connection, if I connect ESP32-C3 Super Mini to the existing wifi it connects and I reach the web page

Alex
Alex
Reply to  michel
May 9, 2025 12:57

I made this modification of the wifi antenna:
https://peterneufeld.wordpress.com/2025/03/04/esp32-c3-supermini-antenna-modification/

I added in the yaml file:

wifi:
power_save_mode: none
output_power: 8.5

I also disabled bluetooth in the yaml file:

#bluetooth_proxy:

now AP works well and the connection signal is also good,
I still have to solder the 2 Mosfets 2N7000 TO92 then I try to connect the interface via CZ-TACG1

wifi
Alex
Alex
Reply to  michel
May 15, 2025 09:49

I added this:

wifi:
power_save_mode: none
output_power: 8.5

I disabled bluetooth:

#bluetooth_proxy:

I modified the antenna following this guide:
https://peterneufeld.wordpress.com/2025/03/04/esp32-c3-supermini-antenna-modification/

Now in wifi AC mode it works perfectly and does not deactivate, even connected to wifi it works well with a good signal.
I connected the interface on a ducted system CS-E18RD3EAW indoor unit from 2017 and it works perfectly

photo_2025-05-15_09-48-11
Chris
Chris
May 23, 2025 15:54

I’ve built and connected one to my AC head unit, but it seems to be unable to establish a connection via the cnt port, always reporting NA or NaN for every value and nothing happens if I change the state via the web interface.

I’ve checked all the solder joints and everything seems to be alright from the pin on the ESP all the way through to the connector, is there any other troubleshooting I can do to try and identify where the issue is? There was no CZ-TACG1 connected before, is it possible there is something with the header unit itself that isn’t set appropriately?

Thibault
Thibault
May 27, 2025 13:44

Does anyone know if this works with the new WiFi modules (PIOT-V2(WA)). I’m considering a Panasonic Etherea system and it’s likely the indoor units will be fitted with those new modules.

Sascha
Sascha
June 1, 2025 15:36

I have two Climasystems with Indoor CS-Z25VKEW and Outdoor CU-Z25VKE.
The Cloud Inferface Works Not very for with Home Assistent.
I have last become an error and in Home Assistant, I have no Information about the errorcode. In the App Comfort Cloud have a become an Error H97 with representing Text to the error.
Can your Interface also give out error?

Mark
Mark
June 29, 2025 00:36

Hi! I am struggeling a bit with the CN-CNT connections as the colors dont match with the cables and the schematics. Is there anyone that have a photo of the cable connected with the clip showing so i can trace the wires correctly. I am struggeling with the «direction» og the clip up/down as it seems to not match the picture and the drawing

Lars
Lars
July 3, 2025 09:17

Hi! Is it just me, or does it seem like the onewire sensor is missing a trace to one of the GPIO pins? i cant seem to find it on the PCB, it worked when i installed a botch wire between the DQ and GPIO4 on the board.

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