Chamberlain LiftMaster PREMIUM Serie Mode D'emploi page 18

Install the Protector System
OPTION C
FLOOR INSTALLATION
Use an extension bracket (not provided) or wood block to raise the sensor bracket if needed.
1. Carefully measure the position of both sensor brackets so they will be the same distance from
the wall and unobstructed.
2. Attach the sensor brackets to the floor using concrete anchors (not provided).
3. Slide the carriage bolt into the slot on each sensor.
4. Insert the bolt through the hole in the sensor bracket and attach with the wing nut. The lens on
both sensors should point toward each other. Make sure the lens is not obstructed by the
sensor bracket.
1
3
Carriage Bolt
1/4"-20x1/2"
®
2
(Not provided)
4
Wing Nut
1/4"-20
2 Wire the Safety Reversing Sensors
PRE-WIRED INSTALLATIONS: If your garage already has wires installed for the safety reversing
sensors, see page 18.
OPTION A
INSTALLATION WITHOUT PRE-WIRING
1. Run the wire from both sensors to the garage door opener. Attach the wire to the wall and
ceiling with the staples.
2. Strip 7/16 inch (11 mm) of insulation from each set of wires. Separate the wires. Twist the white
wires together. Twist the white/black wires together.
3. Insert the white wires into the white terminal on the garage door opener. Insert the white/black
wires into the grey terminal on the garage door opener. To insert or remove the wires from the
terminal, push in the tab with a screwdriver tip.
1
Staple
3
17
HARDWARE
Insulated Staple
(Not shown)
2
7/16" (11 mm)