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Installation

Install the door control within sight of the door at a minimum height of 5 feet (1.5 m) where small 
children cannot reach, and away from the moving parts of the door. For gang box installations it is not 
necessary to drill holes or install the drywall anchors. Use the existing holes in the gang box.

NOTE:

 Pre-wiring means that your garage already has wires installed for the door control.

WIRE THE DOOR CONTROL

MOUNT THE DOOR CONTROL

Mark the location of the bottom mounting 
hole and drill a 5/32 inch (4 mm) hole.

Install the bottom screw, allowing 
1/8 inch (3 mm) to protrude from 
the wall.

Position the bottom hole of the door 
control over the screw and slide down 
into place.

Lift the push bar up and mark the top 
hole.

Remove the door control from the wall 
and drill a 5/32 inch (4 mm) hole for 
the top screw.

Position the bottom hole of the door 
control over the screw and slide down 
into place. Attach the top screw.

GANG BOX

DRYWALL

6ABx1-1/4"

6-32x1"

HARDWARE

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3

7/16" (11 mm)

Unplug the garage door opener to 
prevent the garage door opener from 
activating during wiring.

Strip 7/16 inch (11 mm) of insulation 
from one end of the wire and separate 
the wires.

Connect one wire to each of the two 
screws on the back of the door control. 
The wires can be connected to either 
screw.

PRE-WIRED INSTALLATIONS:

 Choose any two 

wires to connect, but make note of which wires 
are used.

RED

WHITE

WHITE

GREY

WHI

WHITE

E

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2

3

7/16" (11 mm)

WIRE TO GARAGE DOOR OPENER

Strip 7/16 inch (11 mm) of insulation 
from the end of the wire near the garage 
door opener.

Connect the wire to the red and white 
terminals on the garage door opener. 
The wires can be connected to either 
terminal.

Reconnect power to the garage door 
opener. If the door control has been 
installed and wired correctly, a message 
will display on the screen. To synchronize 
the garage door opener and the door 
control, press the push bar up to 3 times, 
until the garage door opener activates. 
The time and temperature will display on 
the door control when the door control 
and the garage door opener are 
synchronized.

PRE-WIRED INSTALLATIONS:

 Connect the same 

wires to the garage door opener that were 
previously connected to the door control.

To insert or release wire, push 
in tab with screwdriver tip.

Drywall Anchors

Close the push bar.

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Summary of Contents for Liftmaster 880LM

Page 1: ...useful for added peace of mind when the home is empty i e vacation LIGHT BUTTON Press the LIGHT button to turn the garage door opener lights on or off When the lights are turned on they will stay on until the LIGHT button is pressed again or until the garage door opener is activated Once the garage door opener is activated the lights will turn off after the specified period of time the factory set...

Page 2: ...r opener from activating during wiring Strip 7 16 inch 11 mm of insulation from one end of the wire and separate the wires Connect one wire to each of the two screws on the back of the door control The wires can be connected to either screw PRE WIRED INSTALLATIONS Choose any two wires to connect but make note of which wires are used RED WHITE WHITE GREY WHI WHITE E 1 2 3 7 16 11 mm WIRE TO GARAGE ...

Page 3: ...trol TO REMOTE BATTERY BACKUP ONLY If your garage door opener has a battery backup one of the following messages will display on the door control if there is a problem with the battery MAINTENANCE ALERT MAS When the maintenance alert is on and the garage door opener needs maintenance the following message will display on the screen TO ADD REPROGRAM OR CHANGE A REMOTE CONTROL KEYLESS ENTRY PIN Prog...

Page 4: ...k and show hide clock TTC SETTINGS Set the TImer to Close feature off on and set the time interval before door closes NOTE DO NOT enable TTC if operating a one piece door TTC is to be used ONLY with sectional doors LOCK Enable disable lock PROGRAM Add remote controls MyQ devices an extra remote button to control your garage door opener lights or a keyless entry SCREEN The main screen displays the ...

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