Chamberlain 1200 Manuel D’Utilisation

Garage

Floor

Inside

Garage

Wall

Mounting Bracket

with Slot

Mounting Bracket

with Square Holes

"C" Wrap

Sensor

Indicator

Light

Attach with

concrete anchors

(not provided)

1/4x1-1/2"

Lag Screw

#10-32x3/8"

Screw

1/4" - 20

Lock Nut

#10x32

Lock Nut

Staples

1/4"-20x1/2"

Carriage Bolts

Mounting Bracket

With Square Holes

#10-32x3/8"

Screws

"C" Wrap

#10-32

Lock Nuts

Inside

Garage

Wall

"C" Wrap

Mounting Bracket

with Square Holes

1/4"-20x1/2"

Carriage Bolts

1/4"-20 Lock Nuts

Drill 3/8"

Holes

Garage

Door Track

Mounting Bracket

with Slot

1/4"-20

Lock Nuts

1/4x1-1/2"

Lag Screws

1/4-20x1/2" Carriage Bolts

(with square shoulder)

Inside

Garage

Wall

"C" Wrap

Mounting Bracket

with Square Holes

Figures 2 , 3 and 4 show recommended assembly
of bracket(s) and "C" wrap based on the 

wall

installation of the sensors on each side of the
garage door as shown on page 17, or on the
garage door tracks themselves. 

For Garage Wall or Door Track Installation
• Fasten the "C" wraps to the mounting brackets

having square holes, using the hardware shown in
Figure 2.

For Door Track Installation Only 
• Discard slotted bracket. Drill 3/8" holes in each

track and fasten securely with hardware as shown
in Figure 3.

For Wall Installation 
• Connect each assembly to a slotted bracket, using

the hardware shown in Figure 4. Note alignment
of brackets for left and right sides of the door.

• Finger tighten the lock nuts.

• Use bracket mounting holes as a template to

locate and drill (2) 3/16" diameter pilot holes on
both sides of the garage door, 4"-6" above the
floor (but not exceeding 6"). (See warning on
page 21.)

• Attach bracket assemblies with 1/4"x1-1/2"

lag screws as shown in Figure 4.

• Adjust right and left side bracket assemblies to the

same distance out from mounting surface. Make
sure all door hardware obstructions are cleared.
Tighten the nuts securely.

"C" Wrap

Inside

Garage

Wall

Mounting Bracket

with Square Holes

Mounting Bracket

with Slot

Sensor

Garage

Floor

Indicator Light

22

Figures 5 and 6 are variations which may fit your installation requirements better. Make sure the wraps and
brackets are aligned so the sensors will face each other across the garage door.