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MOUNTING AND WIRING THE SAFETY 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. See Figure 4.
• Finger tighten the wing nuts.
Recommended Wire Routing
1. Using insulated staples, run the wires from both
sensors to the rail at the door header
(see Figure 5).
2. Cross and twist the two wires where they meet
the rail (see inset A). Run the wires inside the
channels at the top of the rail, along each side,
to the motor unit. De not use the lower (trolley)
channels. Use a screwdriver tip to tuck the wires
snugly into the channels.
NOTE: If your access door is near the garage
door, you may choose to install the door control at
this time and run the door control wire along the
raft with the sensor wires. Use one raft channel for
the door control wire and the other channel for
both sensor wires. If you choose this option, follow
instructions 1-3 on page 21 now.
3. Pull wires taut across the top of the chassis and
insert into the opening above the terminal block
(see Figure 5, Illustration B). You will complete the
wiring in installation Step 7.
Figure 5
Figure 4
Carriage bolt -'_
I/4"-20xl/2"
Wing nut
HARDWARE SHOWN ACTUAL SIZE
Carriage Bolt Wing Nut Staples
I/4"-20xl/2" 1/4'L20
Header
Wall
Sensor
Wire
Twist Sensor
Wires Wire
Header
Bracket
B
1. Run wires from sensors to end of rail
at the door header. Cross & twist here to
help contain wires in channels on top of rail. <_
2. Run wires along channels
to motor unit. Use screwdrive blade
to tuck snugly into channels.
Bell Wire
Rail
Channel
3. Pull wires taut across top of chassis
and insert into opening above
J terminal block.
Sensor Invisible Light Beam
Protection Area Sensor
18
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