silvioneglia

Hello, i have the same problem. I have got two k009 and one k018. Did you find something?

Yes i have the manual, you can find it at this link (https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.panasonicproclub.com/uploads/ES/catalogues/2021/IMM_PAW-FC_WMD_EN_04.21.pdf&ved=2ahUKEwj5jp24lc34AhXNgv0HHQ6BAfIQFnoECAgQAQ&usg=AOvVaw1MtR-YyP2OfYJS4L7zzZNI). Unfortunatly, no information are reported about wifi external module or about pcb connectivity. I believe the unit...

I have found the company who build the fan coils. https://shop.systemair.com/en/hawair--9--ir--av/p480453 You can find there the official manual but the informations reported are more or less the same as panasonic...

In the panasonic service manual info about some modbus transaction are reported. It is not clear if the fan coil has a modbus interface or if this capability is available...