Chamberlain C870 C870 Owner s Manual - English - Page 24
STEP 14 Wire the Safety Reversing Sensors, OPTION A INSTALLATION WITHOUT PRE-WIRING
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Installation STEP 14 Wire the Safety Reversing Sensors If your garage already has wires installed for the safety reversing sensors, proceed to page 25. OPTION A INSTALLATION WITHOUT PRE-WIRING 1 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. 3 HARDWARE Insulated Staple (Not Shown) 2 Staple 7/16" (11 mm) RED WHITE WHITE GREY 24