Panasonic Compatibility:
S - series units
Nano X high static ducted units requires C325P2
C320P & C325P have been superseded by C325P2
Can use RA, Zones, Master or RF as controlling sensor
Polarity is not critical
Take the R1 / R2 control wire from the fan coil unit and connect it to the AC Unit Control Cable on the C225 / C325P2
1️⃣ C225 Module: Ensure a C325P / C325P2 module is connected to the C225 module
2️⃣ Connect R1 / R2 wires here: Use a shielded, 2 core, twisted pair cable from the FCU to the C225 module