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                                                    Lighting control

                                                    Automate lighting control using KNX presence and daylight detectors


                                                    Main drivers

                                                    “I want to save energy by automating my school’s classroom lighting. The system also needs to be flexible and easy to expand and upgrade.”

                                                    Solution in brief

                                                    Control room lighting automatically according to occupation and natural light

                                                    Solution applicable to all buildings

                                                    The solution is built around presence detectors linked to switching actuators, and features a push- button control for use in manual mode. The entire system is connected via KNX open bus to facilitate extensions and upgrades.

                                                    Thanks to the presence detectors, lights are automatically switched on when a person enters the room if natural light is below a preset level. Lights are automatically switched off when no movement is detected in the room and the preset time delay has passed.

                                                    In manual mode, lights can be switched permanently on or off. Switching the system on in manual mode restarts automatic presence and natural light detection mode.

                                                    Benefits for End Users

                                                    > Use up to 20% less energy by aligning lighting use with room occupation (based on DIN V18599 or EN 15232 reference buildings)
                                                    > Reduce installation costs and time compared to conventional systems with similar functions
                                                    > Enhance occupant comfort

                                                    Benefits for professionals

                                                    + Flexible for easy upgrades and extensions

                                                    • All functions may be set and extended at any time without costly building work
                                                    • All devices are connected to a common bus line

                                                    + A source of new business opportunities

                                                    • KNX solutions must be installed by skilled electricians or integrators and offer many user-friendly and cost-efficient functions


                                                    + Lower, more predictable maintenance costs

                                                    • Automated switching cuts down on lighting use, extending the lifetime of light fixtures
                                                    • Replacement scheduling is facilitated because the number of hours of use is known in advance when
                                                      optional switch actuators with current detection are used


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                                                    Application to automate lighting control


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