MOUNTING AND WIRING THE SAFETY REVERSING SENSORS

•Slide a 1/4"-20x1/2" carriage bolt head into the slot on each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed by a bracket extension (Figure 5).

•Finger tighten the wing nuts.

Figure 5

Wing Nut 1/4"-20

Carriage Bolt

1/4"-20x1/2"

Lens

•

Run the wires from both sensors to the opener.

TROUBLESHOOTING THE SAFETY REVERSING

 

Use insulated staples to secure wire to wall and

 

SENSORS

 

ceiling.

 

 

 

1. If the sending eye indicator light does not glow

•

Strip 7/16" (11 mm) of insulation from each set of

steadily after installation, check for:

 

wires. Separate white and white/black wires

 

• Electric power to the opener.

 

sufficiently to connect to the opener quick-connect

 

• A short in the white or white/black wires. These

 

terminals. Twist like colored wires together. Insert

 

wires into quick-connect holes: white to white and

can occur at staples, or at opener connections.

 

white/black to grey (Figure 6).

• Incorrect wiring between sensors and opener.

ALIGNING THE SAFETY REVERSING SENSORS

• A broken wire.

• Plug in the opener. The indicator lights in both the

2. If the sending eye indicator light glows steadily but

 

sending and receiving eyes will glow steadily if

the receiving eye indicator light doesn’t:

 

wiring connections and alignment are correct.

• Check alignment.

The sending eye amber indicator light will glow

• Check for an open wire to the receiving eye.

regardless of alignment or obstruction. If the green

3. If the receiving eye indicator light is dim, realign

indicator light in the receiving eye is off, dim, or

either sensor.

flickering (and the invisible light beam path is not

NOTE: When the invisible beam path is obstructed

obstructed), alignment is required.

or misaligned while the door is closing, the door will

•

Loosen the sending eye wing nut and readjust,

reverse. If the door is already open, it will not close.

 

aiming directly at the receiving eye. Lock in place.

 

The opener lights will blink 10 times. See page 16.

•

Loosen the receiving eye wing nut and adjust

 

 

sensor until it receives the sender’s beam. When

 

 

the green indicator light glows steadily, tighten the

 

 

wing nut.

 

Connect Wire to

 

 

 

Figure 6

 

Opener Quick-Connect Terminals

 

 

 

Bell Wire

Finished

 

 

Ceiling

 

1.

Strip wire 7/16"

Bell Wire

(11 mm) 7/16"

 

(11 mm)

2. Twist like colored

wires together

3. Insert into appropriate terminals

Red White Grey

Quick-Connect Terminals

Safety Reversing Sensor

Invisible Light Beam

Protection Area

Safety Reversing Sensor

18