Craftsman 139.3043 Garage Door Opener User Manual


 
Insta// TheProtectorSystem® (Continued)
MOUNTINGANDWIRING THESAFETYREVERSINGSENSORS
Mounting:
Slide a 1/4"-20xl/2" carriage bolt headinto the slot on each
sensor. Usewing nuts to fasten sensors to brackets, with
lenses pointing toward eachother across the door. Besure the
lens is not obstructed by a bracket extension (Figure 5).
Fingertighten the wing nuts.
OptionA -/nsta//ation WithoutPre-Wiring:
Runthe bell wire from both sensors to the garage door opener.
Attachthe wire to the wall and ceiling with the staples
(Figure 6).
OptionB- Pre-Wired /nsta//ation:
If your garagealready haswires installed for the safety reversing
sensors, follow the instructions below:
Cut the end of the safety sensor wire, making sure there is
enough wire to reachthe pre-installed wires from the wall
(Figure 7).
Separatethe safety sensor wires and strip 7/16 inch (11 mm)
of insulation from eachend. Choosetwo of the pre-installed
wires and strip 7/16 inch (11 mm) of insulation from each end.
Make sure that you choose the same color pre-installed wires
for eachsensor (Figure8).
Connectthe pre-installed wires to the sensor wires with wire
nuts making surethe colors correspond for each sensor
(Figure 9).
CONNECTTOGARAGEDOOROPENER:
Strip 7/16 inch (11 ram) of insulation from each set of wires.
Separatewhite 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 10).
Figure5
Carriage
Bolt
Figure6
Figure7
Figure8
Figure9
Safety
Reversing
Sensor
Wires
Not Provided
Safety Reversing
Sensor Wires
7/16"
Pre-lnstalled Wires (11 mm)
Pre-lnstalled
Wires
White/Black
Figure10
Bell Wire
Finished
m Ceiling
Connect Wire to
Quick-Connect Terminals
1. Strip wire 7/16" (11 mm)
Safety Reversing
Sensor
3afety Reversing
Sensor
Invisible Light Beam
Protection Area
2. Twist like colored
wires together
3. To insert or release
wire, push in tab with
screwdriver tip
Red White Grey
Quick-Connect Terminals
25