Application manual
KNX standard wall presence detector with movement function EK-SN2-TP-
…
Rev. 1.0
– 29/09/2022
MAEKSN2TP_EN
© Ekinex S.p.A.
– All rights reserved
Pag. 9
Since the detector responds to temperature change, be aware that following conditions may
cause lower sensitivity:
In very foggy days, the sensitivity may be less due to moisture collecting on
the lens.
In very hot days, the sensitivity may be less since high ambient temperature
is close to body temperature.
In very cold days when heavy clothing is worn, especially if the facial area is
covered, very little heat will be emitted from the body causing the unit to be
less sensitive.
Please also verify the following conditions during installation:
Avoid pointing the detector toward objects with highly reflective surfaces,
such as mirrors, glass, etc.
Avoid mounting the detector very close to heat sources, such as heating
vents, air conditioners, lights, etc.
Avoid pointing the detector toward objects which may sway in air currents,
such as curtains, tall plants, etc.
9
Limitation of the detection area
The detection area can be limited, in order to avoid unwanted activations, by means of the supplied
optical shielding filters. The shield consists of three layers, each divided into four units, capable of
masking an angle of approx. 50 ° each.
Figure 5 - Lens shield with layers
When mounting the device at a height of 1.2 m - 1.5 m, the detection range is:
Layer A: masks the area with a circle from about 0m to 9m.
Layer B: masks the area with a circle from about 0m to 3m.
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