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MOUNTING AND WIRING THE SAFETY
REVERSING SENSORS
• Slide a 1/4"-20xl/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,.
• Run the wires from both sensors to the opene[, Use
insulated staples to secure wire to wa!_and ceiling.,
• Strip 7/16" (11 mm) of insulation from each set of wires.
Separate white and white/black wires sufficiently to
connect to the opener quick-connect terminals. Twist
like colored wires together,. Insert wires into
quick-connect holes: white to white and white/black
to grey (Figure 6).,
ALIGNING THE SAFETY REVERSING SENSORS
o Plug in the opener. The indicatorlights in both the
sending and receiving eyes will glow steadily if wiring
connections and alignment are correct,.
The sending eye amber indicatorlight will glow regardless
of alignment or obstruction,, If the green indicator light in
the receiving eye is off, dim, or flickering (and the invisible
light beam path is not obstructed), alignment is required.
• Loosen the sending eye wing nut and readjust, aiming
directly at the receiving eye,.Lock in place.
= 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.,
Figure 5
TROUBLESHOOTING THE SAFETY
REVERSING SENSORS
1. If the sending eye indicator light does not glow steadily
after installation, check for:
, Electric power to the opener.
- A short in the white or white/black wires.. These can
occur at staples, or at opener connections..
o Incorrect wiring between sensors and opener..
= A broken wire..
2.. If the sending eye indicator light glows steadily but the
receiving eye indicator light doesn't:
° Check alignment,
= Check for an open wire to the receiving eye..
3, If the receiving eye indicator light is dim, realign either
sensor.,
NOTE: When the invisible beam path is obstructed or
misaligned while the door is closing, the door will reverse
If the door is already open, it will not close. The opener
lights will blink 10 times.. See page 21.
Figure 6
Bell W_re __ Finished
Ceiling
Safe_yReversing
Sensor
Connecl V_re to
Quick_Connecl Terminals
Bel_Wire
Invisible LJghl Beam
Protection Area
Sa{ety Reversing
Sensor
1 Slripwire 7116'
2. Twist like colored
wires together
3 To insert or release
wire, push in tab with
screwdriver lip
Red White Grey
Quick-Connect Terminals
23
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