LiftMaster 8587WL Owners Manual - English French Spanish - Page 22

Option B - Pre-wired Installation

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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 preinstalled 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. 1 Pre-installed 2 wires 7/16" (11 mm) Safety reversing sensor wires 3 Safety reversing sensor wires White White/Black 4 Pre-installed wires 5 Yellow Purple 7/16" (11 mm) Wire nuts (not provided) Pre-installed wires Yellow (for example) Purple (for example) Wire channel Purple Yellow 22

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22
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.
Safety reversing sensor wires
White
White/Black
Yellow (for example)
Purple (for example)
Wire nuts (not provided)
Pre-installed wires
Safety reversing
sensor wires
1
3
4
7/16" (11 mm)
2
5
Purple
Yellow
Pre-installed
wires
Pre-installed wires
7/16" (11 mm)
Yellow
Purple
Wire channel