Invisible Light Beam
Protection Area
Sensor
Sensor
Connect Wire to
Opener Terminals
Bell Wire
Bell Wire
Finished
Ceiling
Sensor
Connections
Door Control
Connections
(dotted line)
OPENER TERMINAL SCREWS
1
2
3
• Center each sensor unit in a "C" wrap with lenses
pointing toward each other across the door (see
Figure 7).
• 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.
• Run 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.
• Plug in the opener. Green indicator lights in both
the sending and receiving eyes will
glow steadily if
wiring connections and alignment are correct.
If the indicator light is
off in the receiving eye (and
the invisible light beam path is not obstructed),
alignment is required.
• Loosen the receiving eye wing nut to allow slight
rotation of unit. Adjust sensor vertically and
horizontally until the green indicator light
glows
with a steady light.
• When indicator lights are
glowing steadily in both
units, tighten the wing nut in the receiving eye unit.
21
1/4-20 x 1-1/2"
Hex Bolt
"C" Wrap
Sensor
with Wire
Wing
Nut
Indicator
Light
Hex Bolt
1/4-20x1-1/2"
Wing Nut
Hardware Shown Actual Size
Figure 7
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.
