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UNIT DESCRIPTION AND OPERATION
The DSW Dual Technology Multi-Way Wall Switch sensors combine advanced
passive infrared (PIR) and ultrasonic technologies into one unit. The combined
technologies help to eliminate false triggering even in difficult applications.
Selectable operating modes allow the sensor to turn a load
ON
, and hold it
ON
as long as either or both technologies detect occupancy. It allows for up to 4
sensors to be connected to the same circuit. The first sensor to detect occupancy
will turn
ON
all the lights that are connected to the same circuit. After the room
is unoccupied, the last sensor that detected occupancy turns
OFF
all the lights
once the time delay has expired. The occupant can turn
OFF
the load at any time
by pressing the
ON/OFF
button of any sensor that is connected to the circuit.
A “walk-through” mode can turn lights off after only 3 minutes if no activity is
detected after 30 seconds following an occupancy detection.
The DSW-301 has one relay and one
ON/OFF
button. The DSW-302 contains two
relays and two
ON/OFF
buttons to allow control of one or two loads independently.
Pressing a button toggles the state of the corresponding relay. Optional Neutral is
also available on all models.
DSW sensors contain a light level sensor. If adequate daylight is present, the
sensor holds the load
OFF
until light levels drop, even if the area is occupied. In
the DSW-302, light level only affects the load on Relay 2. Users can override this
function by pressing the
ON/OFF
button. See the
Light Level Adjustment
section.
Turning Load(s) ON (ON Mode)
The relays are programmed independently for either
Auto ON
or
Manual ON
. In
either mode, the load can be turned
ON
or
OFF
using the
ON/OFF
button.
Manual ON
DIP 8
ON
for Relay 1
DIP 9
ON
for Relay 2
With an
ON Mode
DIP switch in the
ON
position, the
occupant must press the
ON/OFF
button to turn
ON
the load. The sensor keeps the load
ON
until no
motion is detected for the selected time delay. There
is a 30 second re-retrigger delay. If occupancy is
detected during the delay, the sensor turns the load
back
ON
. After the re-trigger delay elapses the
ON/
OFF
button must be pressed to turn
ON
the load.
Auto ON
DIP 8
OFF
for Relay 1
DIP 9
OFF
for Relay 2
With an
ON Mode
DIP switch in the
OFF
position,
the load turns
ON
and
OFF
automatically based
on occupancy. If the load is turned
OFF
manually,
Presentation Mode operation applies. This prevents
the load from turning
ON
automatically after it was
deliberately turned
OFF
. Pressing the button to turn
lights
ON
returns the sensor to
Auto ON
mode.
