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The Gira observer registers movement heat its detection field
which can triggered people, animals objects.
-
The expected direction motion object detected taken
into account (direction motion should, far possible, a
right angle detection direction).
Incorrect observer attachment
Never install the observer directly over light! cooling lamp can be
detected change heat and cause activation the lights.
-
Keep influences due weather such rain, snow, fog etc. a
light) switched soon the heat source moves the range of
detection. g.
The observer remains switched long motion can detected
and then switches off automatically when the settable delay time has
lapsed.
The range specified the technical data observer always refers to
the recommended mounting height (e. 2. via installation under overhang).
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)
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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 device (e.
-
The recommended mounting height must complied with that
optimum detection ensured.
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).
A Gira observer has tight, half circle-shaped detection field with three
levels and number so-called switching segments (detection beams). 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.
Therefore important note the following during installation:
-
Influences from sources interference such trees, bushes, animals
or vehicles must prevented blocked. mini-
mum (e. Deviations from these
requirements cause change the range.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
