LiftMaster 8550WLB Owners Manual - Page 21

Wire the Door Control to the Garage Door Opener, Attach the Warning Labels, PRE-WIRED INSTALLATIONS

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Install the Door Control 2 Wire the Door Control to the Garage Door Opener PRE-WIRED INSTALLATIONS: When wiring the door control to the garage door opener make sure you use the same wires that are connected to the door control. 1. Run the white and red/white wire from the door control to the garage door opener. Attach the wire to the wall and ceiling with staples (not applicable for gang box or pre-wired installations). Do not pierce the wire with the staple as this may cause a short or an open circuit. 2. Strip 7/16" (11 mm) of insulation from the end of the wire near the garage door opener. 3. Connect the wire to the red and white terminals on the garage door opener. To insert or release wires from the terminal, push in the tab with screwdriver tip. 3 Attach the Warning Labels 1. Attach the entrapment warning label on the wall near the door control with tacks or staples. 2. Attach the manual release/safety reverse test label in a visible location on the inside of the garage door. 1 2 7/16" (11 mm) Staple 3 RED WHITE WHITE GREY 21

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21
Install the Door Control
2 Wire the Door Control to the Garage Door Opener
PRE-WIRED INSTALLATIONS:
When wiring the door control to the garage door opener make sure
you use the same wires that are connected to the door control.
1.
Run the white and red/white wire from the door control to the garage door opener. Attach the
wire to the wall and ceiling with staples (not applicable for gang box or pre-wired
installations). Do not pierce the wire with the staple as this may cause a short or an open
circuit.
2.
Strip 7/16" (11 mm) of insulation from the end of the wire near the garage door opener.
3.
Connect the wire to the red and white terminals on the garage door opener. To insert or
release wires from the terminal, push in the tab with screwdriver tip.
7/16" (11 mm)
2
3
1
Staple
RED
WHITE
WHITE
GREY
3 Attach the Warning Labels
1.
Attach the entrapment warning label on the wall near the door control with tacks or staples.
2.
Attach the manual release/safety reverse test label in a visible location on the inside of the
garage door.