User Manual

Sunlight tracking control with

shadow tracking control

The functions of sunlight tracking control and shadow

tracking control can be performed with the same devices

individually or in combination.

You will need

• Weather station AP 257

• Electronic power supply unit

• Sunblind actuator N 523/11

• Pushbutton, double UP 222/3

• Drive

• Bus coupling unit UP 117/12 (for pushbuttons)

Application examples



Total reﬂection

of direct sunshine Portion from diffuse daylight

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

Maximum depth of sunlight

penetration into the room

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