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• Center each sensor unit in a "C" wrap with lenses
pointing toward each other across the door (see
Figure 6).
• Secure sensors with the hardware shown. Finger
tighten the wing nut on the receiving eye to allow
for final adjustment. Securely tighten the sending
eye wing nut.
• Hun the wires from both sensors to the opener.
Use insulated staples to secure wire to wall and
ceiling.
• Strip 1/4" of insulation from each set of wires.
Separate white and white/black wires sufficiently to
connect to the opener terminal screws: white to 2
and white/black to 3.
Aligning the Safety Sensors
• Plug in the opener. Green indicator lights inboth
the sending and receiving eyes will glow steadily if
wiring connections and alignment are correct.
The sending eye indicator lightwill glow regardless
of alignment or obstruction. If the indicator light is
off dim or flickering in the receiving eye (and the
invisible light beam path is notobstructed),
alignment is required.
• Loosen the sending eye wing nut and re-adjust,
aiming directly at the receiving eye. Look in place.
• Loosen the receiving eye wing nut and adjust
sensor vertically and/or horizontally untilit receives
the sender's beam. When the green indicator light
glows steadily, tighten the wing nut.
Hardware Shown Actual Slze
1/4-20 x 1-I/2"
HI,II,l,l,I;liiI,%II,I,I,I,D
Bel Wire __ Rn_'md --
Ceiling
Figure 6
114-20x 1-1/2°
FlexBoat
Trouble Shooting
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 under staples or at screw terminal
connections.
• Incorrect wiring between sensors and opener.
• An open wire (wire break).
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
miseligned while the door is closing, the door will
reverse. If the door is already open, it will not close.
The opener lights willflash 10 times. (If bulbs are not
installed, 10 clicks are audible.) See page 21.
Figure 7
ConnectWire to
OpenerTerminals
BellWire
DoorControl Sensor
Connectloes_ Con_ections
(dottedline) .-.
[]
OPENER TERMINAL SCREWS
Sensor
InvisibleLightBum
ProtectionArea
23