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5. Detection area
The square detection area of the presence detector guaran-
tees accurate and simple planning. Square detection areas
make it possible to cover a whole room with parallel swit-
ching. Note that seated and walking persons are detected in
differently-sized areas. The recommended installation height
is 2.0 m – 3.0 m. The sensitivity of the presence detector
decreases with higher installation heights. At an installation
height of 3 m or higher, walking motions are necessary and
the detection areas of several detectors should overlap in the
marginal zones. The detection range is reduced as temperatu-
res increase.
Seated persons:
The presence detector reacts very sensitively to the slightest
movements. The details refer to smallest movements at table
height (approx. 0.80 m). The detection sensitivity is reduced
from an installation height of > 3 m. More pronounced
movements are required for clear detection.
Walking persons:
Use of the whole detection area.
3
2
1
0
m
4
3
2
1
0
1
seated persons
walking persons
Installation
seated persons
height
2
2.0 m
9 m
3.0 m x 3.0 m
2
2.5 m
16 m
4.0 m x 4.0 m
2
3.0 m
25 m
5.0 m x 5.0 m
3.5 m
---
Brightness measurement
The presence detector measures artificial light and daylight
(opening angle for each approx. ± 30°). The installation loca-
tion is the reference point for the lighting level. The bright-
ness measurement can be adapted to the conditions in a
room with the room correction factor. The light measurement
area maps a rectangle of about 2 x 3.5 m at table height.
Direct light influences the light measurement. Avoid placing
floor lamps or suspended lighting directly below the detector.
If the brightness measurement is deactivated, light channel A
only switches depending on presence (brightness switching
value set to "on" via potentiometer or set to "measurement
off" via the remote control).
o
4
2
3
walking persons
2
20 m
4.5 m x 4.5 m ± 0.5 m
2
36 m
6.0 m x 6.0 m ± 0.5 m
2
49 m
7.0 m x 7.0 m ± 1.0 m
2
64 m
8.0 m x 8.0 m ± 1.0 m
2m
Innen
Fenster
Suitable lamps
The presence detector is designed for the operation of fluore-
scent lamps, compact fluorescent lamps, halogen/incande-
scent lamps and LEDs. The maximum number of switchable
lights is restricted due to the high inrush current levels of the
EBs and LED drivers. The use of an external contactor helps
with large loads. Parallel switching enables allocation of load
to several Masters. All switched loads must be properly inter-
ference suppressed.
6. Installation
Flush-mounted fitting
The presence detector is flush-mounted using a size 1 stan-
dard flush-mounting installation socket.
Ceiling installation
A ceiling installation box 73 A is available for a simplified
ceiling installation of the presence detector (see accessories).
This also ensures cord grip and contact protection. The instal-
lation diameter is 72 mm (drill diameter 73 mm).
3
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