Raspberry Pi controller that provides the ability to control a Mitsubishi ducted air conditioner via its serial communications link so that it can be automated with the provision of temperature sensors in each room and monitoring/control of a two-zone airflow damper.
Just stumbled upon your project here and was wondering if you had any idea if it would work with a Mitsubishi Heavy Industries 'FDUA100VNP1VF2' ducted system (RC-EX controller (2 wire))?
About to check if my indoor unit has a CNB port on the main board but from memory when I installed the unit it did not as the communications were over 2 wires that also power the RC-EX3 controller.
If your project is not compatible could we possibly have a chat about possible routes I could take to get something working?