Catalogue 2019 Intelligent building technology by Gira

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Vydal: SBS ELEKTRO s.r.o.

Strana 659 z 696







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A Gira observer has tight, half circle-shaped detection field with three levels and number so-called switching segments (detection beams). g. Incorrect observer attachment Never install the observer directly over light! cooling lamp can be detected change heat and cause activation the lights. - The expected direction motion object detected taken into account (direction motion should, far possible, a right angle detection direction). mini- mum (e. Presentation the switching segments (detection beams) 1 3 4 Monitoring levels The monitoring levels are defined follows: 4 Mounting height 3 Immediate area (NB) 2 Mid-range area (MB) 1 Distant area (FB) . Deviations from these requirements cause change the range. Direction motion The installation site the observer must selected ensure that the direction of motion expected (Y) should far possible angle 90º the direction detection (X). - Keep influences due weather such rain, snow, fog etc. avoid unwanted switching, influences from the environment are suppressed the one hand appropriate switching measures in the device and, the other hand, minimised selecting suitable installation site. The range specified the technical data observer always refers to the recommended mounting height (e. 2. via installation under overhang). The observer remains switched long motion can detected and then switches off automatically when the settable delay time has lapsed. - The recommended mounting height must complied with that optimum detection ensured.657 Gira electrical installation systems Observer Lighting control I Technical information Basics the Gira observer systems The Gira observer functions based the principle passive infrared motion detector (PIR motion detector). The Gira observer registers movement heat its detection field which can triggered people, animals objects. a light) switched soon the heat source moves the range of detection. Therefore important note the following during installation: - Influences from sources interference such trees, bushes, animals or vehicles must prevented blocked.40m) and requires that the sensor head not tilted, the direction motion the side the observer and sufficient difference temperature between the moved body and the environment taken into account. The device (e