Motion Sensor Placement; Mounting Options; Mounting And Sensor Positioning Guidelines - Watt Stopper EW-100-120 Installation Instructions Manual

MOTION SENSOR PLACEMENT

Careful consideration must be given to sensor placement. PIR sensors detect the difference
between infrared energy in motion and the background space. To be detected, a person or
vehicle must be within the sensor's coverage pattern and have an unobstructed view of the sensor.

Mounting options

• Install onto a standard 4" round outdoor junction box.
• Mount to a flat, stable, vibration-free surface.
• Mount vertically or horizontally, usually to a wall, ceiling or under an eave.
Vertically mounted:
The sensor comes assembled and ready for vertical cover plate mounting, as shown below.
Horizontally mounted:
For horizontal mounting, such as under eaves, rotate the sensor housing as shown in the
diagrams below. Make sure that the gasket is seated properly.
screws at the back
3
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2
3
1
Loosen the two Rotate the Replace and
sensor housing
of the sensor. 180°.

Mounting and sensor positioning guidelines

Mount to flat, stable, vibration-free surface
NO
Aim motion sensor downward to limit sensing
NO
tighten the
screws.
YES
Mount motion sensor level
NO
YES
YES
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Avoid runoff; sheltered locations preferred
YES
NO
Install lamps above sensor to avoid heat effects
NO
YES
Do not mount by vents or above lamps
NO NO
4