Chamberlain SL 1000-X3 Installation Manual page 22

9. Photo-Sensors (Secondary Obstruction Sensing per UL 325)
Refer to the figure above for Photo-Sensor coverage areas.
Coverage Area A (Inside-Open Coverage):
While the gate is opening, put your hand or arm through the Inside Photo-Sensor
beam. The gate should stop. The gate should restart when the obstruction (your
hand) is removed.
Coverage Area B (Inside-Closed Coverage):
Stand inside the fence line. While the gate is closing, put your hand or arm
through the Outside Photo-Sensor beam. The gate should stop. The gate should
restart when the obstruction (your hand) is removed.
Coverage Area C (Outside-Closed Coverage):
Stand outside the fence line. While the gate is closing, put your hand or arm
through the Outside Photo-Sensor beam. The gate should stop. The gate should
restart when the obstruction (your hand) is removed.
10. Interrupt Bar (Edge Sensor)
While the gate is opening, push on the Interrupt Bar (Edge Sensor). The gate should stop
and reverse a few inches.
11. Maglock
Verify that the Maglock activates when the gate is fully closed.
Rev J
Figure 17. Photo-Sensor Coverage Areas
Doc 01-20098 Page 22 of 44