Dwyer OSW-100 User Manual
Bulletin H-22-OSW
Model OSW-100 Wall Mount Occupancy Sensor
Specifications - Installation and Operating Instructions
The Model OSW-100 Wall Mount Occupancy Sensor is
an infrared sensor designed to automatically control a
HVAC ventilation system. A unique dual delay processor
eliminates false triggers due to short-term occupancies. The
Model OSW-100 has a wide 110° viewing angle to capture
movement up to 49.2 ft (15 m) away.
INSTALLATION
Do not install where the detector is exposed to direct
sunlight or directly above strong sources of heat.
4-27/64
[112.32]
2-39/64
[66.28]
1-25/32
[45.24]
SPECIFICATIONS
Infrared Sensor: Dual Element.
Range: 49.2 ft (15 m).
Detectable Speed: 0.33 to 9.8 ft/sec (0.1 to 3.0 m/sec).
Control Output Rating: SPDT, 0.2A @ 30 VDC.
Ambient Operating T emperatur e: -4 to 140°F (-20 to 60°C).
Power Consumption: Standby: 5 mA, Operating: 18 mA.
Mounting Height: 5.9 to 11.8 ft (1.8 to 3.6 m).
Power Requirements: 22 to 26 VAC/DC.
Weight: 3.2 oz (90.7 g).
Agency Approvals: CE.
Do not install in areas that have any obstruction
(plants, large pieces of furniture, curtains, etc.) which
may block the detection.
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.com
MOUNTING
CEILING MOUNT
WALL MOUNT
NC COM NO
FAN COIL CONTROLLER
24 VAC/DC
24V
ON/OFF INPUT
The OSW-100 is designed to be mounted to a wall or
corner.
Step 1: Install Base Unit
• Determine the location of the sensor according to the
detection pattern shown in Figure 1.
• Screw the base of the mounting bracket to the desired
position on the wall as shown in Figure 2.
• Feed the cable through the hole on the back of the
bracket.
• Loosen the screw on the bottom of the sensor and
remove the cover.
• Feed the cable through the center hole on the back of
the sensor housing.
• Attach the sensor to the mounting bracket.
1
3
2
Figure 1
Determining the Location of the Sensor
Figure 2
Mounting the Sensor
Step 2: Wiring
• Turn the screw for each terminal counterclockwise.
• Connect the cable to the corresponding terminals as
shown in Figure 3.
• NC-COM-NO:
Output for ON-OFF
control of fan coil
operation. Dry contact
signal.
• 24V: Power Supply
(non-polarity)
Figure 3
Wiring the Sensor
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