Chamberlain 87504-267 Manual page 28

Install the Protector System
OPTION B - PRE- WIRED INSTALLATION
1. Cut the sensor wires, making sure there is enough wire to reach the pre-installed wires from the wall.
2. Separate the sensor wires and strip insulation from each end. Choose two of the pre-installed wires and
strip insulation from each end. Choose the same color pre-installed wires for each sensor.
3. Connect the pre-installed wires to the sensor wires with wire nuts making sure the colors correspond for
each sensor.
4. At the garage door opener, strip the end of the wires previously connected to the sensors. Twist the like-
colored wires together.
5. Using a screwdriver, push in the terminal tabs, and insert the wire color connected to the sensor's white
wire into the white terminal. Insert the other wire color connected to the sensor's white/black wire into the
grey terminal.
®
28
1
Pre-installed
wires
Safety reversing sensor wires
3
Safety reversing
sensor wires
White
White/Black
4
5
Pre-installed wires
Yellow
Purple
7/16" (11 mm)
2
7/16" (11 mm)
Wire nuts (not provided)
Pre-installed wires
Yellow (for example)
Purple (for example)
Wire channel
Purple
Yellow