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Information for the installer – Control box
Choice of assembly location
The lux sensor LS 30 has a sensing range of approx. 120°. When assembling the lux sensor, attention
must be paid to obstacles which might distort the sun intensity and therefore influence the measured
values.
In the case of large building façades, there should always be two lux sensors installed at an angle of 45°
to each other. This will ensure optimal sun intensity detection throughout the year.
Maintenance / Cleaning
If the device is subject to extreme weather conditions, it may only be assembled and operated in a
vertical position, otherwise water could penetrate the device and impair its function. If the device is
installed properly, it will work maintenance-free. If the sensor becomes excessively soiled, it can be
cleaned with standard household cleaning products as long as they do not contain any aggressive or
abrasive ingredients.
Cable lengths
If the 5 m signal cable is too short, it can be extended up to 100 m using the same cross section.
Terminals
Up to 8 lux sensors can be connected at the control box to the terminals Sun 1 and 5V, Sun 2 and 5V
and so on up to Sun 8 and 5V. The polarity of the lux sensors is not important for connection.
Figure:
Connection of lux sensors
I
NOTE!
No connection possible for lux sensors 5 to 8 for version M 2C Wired.
