15
DOOR TRACK MOUNT (RIGHT SIDE)
Indicator
Light
Lens
Lip
Sensor
Bracket
Door
Track
FLOOR MOUNT (RIGHT SIDE)
WALL MOUNT (RIGHT SIDE)
Indicator
Light
Sensor
Bracket
Lens
Extension
Bracket
(See Accessories)
Inside
Gar
age
Wall
(Provided with
Extension
Bracket)
(Provided with
Extension Bracket)
Figure 1
Figure 2
Figure 3
Figure 4
WALL MOUNT (RIGHT SIDE)
Attach with
Concrete Anchors
(Not Provided)
Inside
Gar
age
Wall
Sensor
Bracket
Lens
Indicator
Light
Inside
Gar
age
Wall
Indicator
Light
Sensor
Bracket
Lens
Lag Screws
(Not Provided)
Fasten Wood Block to Wall with
Lag Screws (Not Provided)
INSTALLING THE BRACKETS
Be sure power to the opener is disconnected.
Install
and align the brackets so the safety reversing sensors will
face each other across the garage door, with the beam no
higher than 6" (15 cm) above the floor. They may be
installed in one of three ways,as follows.
Garage door track installation (preferred) (Figure 1):
• Slip the curved arms over the rounded edge of each
door track, with the curved arms facing the door. Snap
into place against the side of the track. It should lie flush,
with the lip hugging the back edge of the track, as shown
in Figure 1.
If your door track will not support the bracket securely,
wall installation is recommended.
Wall installation (Figure 2 and 3):
• Place the bracket against the wall with curved arms
facing the door. Be sure there is enough clearance for
the sensor beam to be unobstructed.
• If additional depth is needed, an extension bracket
(see Accessories) or wood blocks can be used.
• Use bracket mounting holes as a template to locate and
drill (2) 3/16" diameter pilot holes on the wall at each
side of the door, no higher than 6" (15 cm) above the
floor.
• Attach brackets to wall with lag screws (not provided).
• If using extension brackets or wood blocks, adjust right
and left assemblies to the same distance out from the
mounting surface. Make sure all door hardware
obstructions are cleared.
Floor installation (Figure 4):
• Use wood blocks or extension brackets
(see Accessories) to elevate sensor brackets so the
lenses will be no higher than 6" (15 cm) above the floor.
• Carefully measure and place right and left assemblies at
the same distance out from the wall. Be sure all door
hardware obstructions are cleared.
• Fasten to the floor with concrete anchors as shown.
Wing Nut
1/4"-20
Staples
Carriage Bolt
1/4"-20
x
1/2"
HARDWARE SHOWN ACTUAL SIZE
Summary of Contents for LiftMaster Security+ 3800E
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