Marantec 69190 garage door opener photo eye safety beam set.
Garage door photo beam.
Designed for easy installation in pre wired garages.
Safety beams are sold in pairs.
We ve learned a lot over 30 years.
The photo eye consists of two sensors one on either side of the garage door about 6 inches above the ground.
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One of the sensors directs a beam toward the other.
It consists of two units installed about 4 inches from the floor on each side of the door.
One unit emits an infrared beam invisible to the naked eye.
If something breaks the beam while the door is closing the opener motor automatically reverses direction and opens the door.
Marantec infrared safety system.
The beams work together to detect objects people or animals in the path of a descending garage door.
The second is photoelectric.
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The other unit is a reflector.
One photo eye beam is installed on one side of the garage door and the other is installed on the other side with exact heights from the bottom of the door specified in the user manual.
If an object interrupts the beam.