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4
INSTALLATION
ALIGN THE PHOTOELECTRIC SENSORS
1 Connect power to the operator. The green indicator lights in both the sending and receiving sensors will glow steadily if wiring
connections and alignment are correct.
2 If both green indicator lights are fl ashing rapidly (and the invisible light beam path is not obstructed), alignment is required:
• Loosen the receiving sensor wing nut to allow slight rotation of the sensor. Adjust sensor vertically and/or horizontally until the
green indicator lights glow steadily.
• When the indicator lights are glowing in both photoelectric sensor, tighten the receiving sensor wing nut.
Indicator Light
Photoelectric Sensor Photoelectric Sensor
6" (15 cm) max. above fl oor
Indicator Light
6" (15 cm) max. above fl oor
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