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mitsubishi2MQTT

Use MQTT and ESP8266/ESP32 module to control Mitsubishi HVAC unit. It use SwiCago librairies: https://github.com/SwiCago/HeatPump


Features:

  • Initial config: WIFI AP mode and web portal
  • Web interface for configuration, status and control, firmware upgrade
  • Homeassistant autodiscovery and control with MQTT

Screenshots:

Main Page

Control page

Config page


How to use:

  • Step 1: flash the sketch with flash size include SPIFFS option.
  • Step 2: connect to device AP with name HVAC_XXXX (XXXX last 4 character MAC address)
  • Step 3: You should be automatically redirected to the web portal or go to 192.168.1.1
  • Step 4: set Wifi information, save & reboot. Fall back to AP mode if WiFi connection fails (AP password sets to default SSID name from step 2).
  • Step 5: find the device IP with last 4 character MAC address in your router
  • Step 6: (optional): Set MQTT information for use with Home Assistant
  • Step 7: (optional): Set Login password to prevent unwanted access in SETUP->ADVANCE->Login Password

For nodered fans MQTT topic use cases

  • topic/power/set OFF
  • topic/mode/set AUTO HEAT COOL DRY FAN_ONLY OFF ON
  • topic/temp/set 16-31
  • topic/remote_temp/set also called "room_temp", the implementation defined in "HeatPump" seems not work in some models
  • topic/fan/set 1-4 AUTO QUIET
  • topic/vane/set 1-5 SWING AUTO
  • topic/wideVane/set << < | > >>
  • topic/settings
  • topic/state
  • topic/debug
  • topic/debug/set on off
  • topic/custom/send as example "fc 42 01 30 10 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7b " see https://github.com/SwiCago/HeatPump/blob/master/src/HeatPump.h