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WIRING INSTRUCTIONS: WOS-M

1. Turn power off at the electrical panel.

2. Connect the sensor black wire to line. Connect the sensor red wire to the load.
3. Connect the green wire to the ground. Unit must be properly grounded to operate correctly.
4. Mount the sensor to the electrical box using 2 mounting screws provided.
5. Install wall plate.
6. Turn power on at the electrical panel.
7. Program only if custom setting is desired. Refer to push button chart and follow FOUR & OUT THE 

DOOR instructions.

INSTALLATION INSTRUCTIONS

DESCRIPTION

The WOS Series is a line voltage powered wall switch occupancy sensor. 

They turn lighting systems on and off based on occupancy. The sensor is 

configured to turn lighting on, and hold it on as long as the sensor detects 

people moving in the room. After no movement is detected for a user 

specified set time (5 to 30 minutes), the lights are switched off.

Optional energy savings features are included. The "walk-through" mode 

shortens turn-off timing to 3 minutes when no activity is detected after 30 

seconds. An integral light sensor can keep lights off if sufficient daylight is 

present in the room.*

*WOS-SN no light sensor

SPECIFICATIONS

VOLTAGE:

 120/230/277 VAC 

WOS-SN: 120 VAC Only

OPERATING TEMPERATURE:

 32°to 131°F (0°to 55°C)

ADJUSTABLE TIME DELAY:

 5 minutes - 30 minutes (software settable)

WALK-THROUGH MODE:

 3 minutes if no activity after 30 seconds 

(software settable)

TEST MODE:

 Software setting

PIR COVERAGE:

 SENSITIVITY ADJUSTMENT - Software settable

COVERAGE

: 1200 sq. ft. PIR 

*WOS-SN VOLTAGE: 

120 VAC Only

*WOS-MN2T COVERAGE: 

1200 sq. ft. PIR and 400 sq. ft. Ultrasonic

LI-959(A)

FOR TECHNICAL SUPPORT: [email protected] 888.500.4598

WOS Series

PLACEMENT GUIDELINES

The sensor should be installed with a visually unobstructed view of the workspace normally 

occupied. If the occupant cannot see the sensor from their normal work position, the sensor will 

not be able to detect their presence. File cabinets, doors, partitions, and walls are typical types 

of obstructions.

Avoid sensor placement with a view through a doorway.  If doorway view is unavoidable, set 

sensor to manual move (vacancy setting) with Function 6. If hallway movement trips ultrasonic 

sensor, set to PIR only for initial trigger (

Function 10

 

For WOS-MN2T Only)

COVERAGE PATTERN: WOS-MN2T

The WOS-MN2T Series provides a pattern of 1200 square feet with the PIR. The diagram shows 

the motion detection area with small motion detection closer to the sensor. Barriers within the 

space that block line-of-sight to PIR sensor detection will decrease coverage area. Workspace 

area should be placed to fall within the Ultrasonic coverage area.

WARNING

Unit must be properly grounded to operate correctly.

WIRING INSTRUCTIONS: WOS-MN, WOS-SN, WOS-MN2T

1. Turn power off at the electrical panel.

2. Connect the sensor black wire to line. Connect the sensor white wire to neutral. Connect the sensor red 

wire to the load.

3. Connect your system grounding wire to the green screw on the sensor. Unit must be properly grounded 

per local codes.

4. Mount the sensor to the electrical box using 2 mounting screws provided.
5. Install wall plate.
6. Turn power on at the electrical panel.
7. Program only if custom setting is desired. Refer to push button chart and follow FOUR & OUT THE 

DOOR instructions.

COVERAGE PATTERN: WOS-M, WOS-MN, WOS-SN

The WOS Series provides a pattern of 1200 square feet. The diagram shows the motion detection 

area with small motion detection closer to the sensor. Barriers within the space that block line-of-

sight to sensor detection will decrease coverage area. 

WOS-M

WOS-MN

WOS-SN

WOS-MN2T

PIR Sensor

PIR Sensor

PIR Sensor

PIR and Ultrasonic Sensor

*WOS-SN 120 VAC only

*

PIR Coverage

Ultrasonic Coverage

CAUTION

We recommend that installation be made by a liscensed electrician. 

Before wiring and servicing, power to this unit and the 

equipment it controls must be turned off at the main panel. Connect in 

accordance with national and local electrical codes.

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