Outdoor unit
24
23
22
22. Sensor for wind direction
23. Solar panel
24. Rainwater collector
25. Aerial
26. Anemometer (wind speed sensor)
27. Spirit level
28. Sensor for temperature and humidity (thermometer/hygrometer)
29. Rain gauge drain holes
30. LED indicator and [ RESET ] button
25
29
8
26
27
28
30