Connect the device to the Red CN105 connector in your Mitsubishi Ecodan ASHP (Air-to-Water) and connect to the device to setup WiFi and your MQTT broker server.
Mitsubishi Ecodan WiFi Connector to MQTT/Home Assistant for Heat Pumps - Gen2
Mitsubishi Ecodan Heat Pump to MQTT/Home Assistant and MELCloud WiFi or Ethernet
Mitsubishi Ecodan Air-to-Water Heat Pump - MelPump App Connector
Coolwell 8-Ch Ethernet Relay Module with PoE Port Communication Modbus RTU/Modbus TCP Protocol Cover with Industrial Grade Rail-Mount Case
Polypipe UFHC4MODP Ethernet Module (D1047)
Canaan Avalon Nano 3S Bitcoin Miner - 6 TH/s Hashrate - Ultra Quiet 33dB - Dual Function Heater - 140W Power Consumption -ASIC Mining Device with WiFi/Ethernet