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freely. The wind vane’s movement has a small amount of friction, which is
helpful in providing steady wind direction measurements.
Figure 4: Wind vane installation diagram
There are four alphabet letter of “N”,”E”,”S” and “W” around the wind
direction, representing for the direction of North, East, South and West. Wind
direction sensor has to be adjusted so that the directions on the sensor are
matching with your real location. Permanent wind direction error will be
introduced when the wind direction sensor is not positioned correctly during
installation.
5.2.3 Install wind speed
Push the wind speed cup onto the shaft as shown in Figure 5. Tighten the set
screw, with a Philips screwdriver (size PH0). Make sure the cup assembly
can rotate freely. There should be no noticeable friction when it is turning.
Figure 5: Wind speed cup installation diagram
