Wattstopper DT-200 Installation Instructions Manual - page 3
PLACEMENT GUIDELINES
Depending upon obstacles such as furniture or partitions, the area of coverage may
be less or more than the sensing distances shown in the coverage pattern. This
must be considered when planning the number of sensors and their placement. It is
also recommended to place the sensor 4 to 6 feet away from air supply ducts.
The DT-200 is designed for a ceiling height of about 8-10 feet. Mounting above or
below this range will signifi cantly affect the coverage patterns. As a general rule,
each occupant should be able to clearly view the sensor.
Masking the PIR Lens: Opaque adhesive tape is supplied so that sections of the PIR
lens can be masked. This restricts the sensor’s view and allows you to eliminate PIR
coverage in unwanted areas such as hallways outside of the desired coverage area.
Since masking removes bands of coverage, remember to take this into account
when troubleshooting coverage problems. The Ultrasonic coverage cannot be
masked, but you can adjust its sensitivity to reduce the coverage area.
30 ft.
30 ft.
Sensor
One sensor, conference room
(Drawings not to scale.)
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