core/homeassistant/components/melcloud/icons.json

{
  "entity": {
    "sensor": {
      "energy_consumed": {
        "default": "mdi:factory"
      }
    }
  },
  "services": {
    "set_vane_horizontal": "mdi:arrow-left-right",
    "set_vane_vertical": "mdi:arrow-up-down"
  }
}