Step 14 wire the safety reversing sensors, Option a installation without pre-wiring, Installation – Chamberlain 248730 User Manual
Page 25: Option a
24
Installation
STEP 14 Wire the Safety Reversing Sensors
If your garage already has wires installed for the safety reversing sensors, proceed to page 25.
HARDWARE
Insulated Staple
(Not Shown)
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.
Staple
7/16" (11 mm)
WHITE
WHITE
GREY
RED
1
2
3