core/homeassistant/components/geniushub/icons.json

{
  "services": {
    "set_zone_mode": {
      "service": "mdi:auto-mode"
    },
    "set_zone_override": {
      "service": "mdi:thermometer-lines"
    },
    "set_switch_override": {
      "service": "mdi:toggle-switch-variant"
    }
  }
}