The Modbus PCB can be installed in Aquarea M Series units for seamless connectivity.
Compatible with:
- Bi‑bloc M Series indoor units: WH-SDC0916M3E5, WH-SDC0916M6E5 and WH-SDC0316M9E8
- Control Module M Series: WH-CME8 and WH-CME8L
- Big Aquarea T‑CAP M Series outdoor unit: WH-WXG20ME8, WH-WXG25ME8 and WH-WXG30ME8
