Install The Photoelectric Sensors - Chamberlain MH5011U-RH Installation Manual

ENTRAPMENT PROTECTION

INSTALL THE PHOTOELECTRIC SENSORS

The following instructions show recommended assembly of the bracket(s) and "C" wrap based on the wall installation of the
photoelectric sensors on each side of the door or on the door tracks themselves. There are also alternate mounting methods which may
fi t your installation requirements better.
Make sure the wraps and brackets are aligned so the photoelectric sensors will face each other across the door.
1
Fasten the "C" wraps to the mounting brackets having square
holes, using hardware shown.
WALL INSTALLATION
2 Connect each assembly to a slotted bracket, using the
hardware shown. Note alignment of brackets for left and
right sides of the door.
3
Finger tighten the lock nuts.
4
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 inches (10-15 cm) above the fl oor. Do not exceed
6 inches (15 cm).
5
Attach bracket assemblies with 1/4"x1-1/2" lag screws.
6
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.
1/4"x1-1/2"
Lag Screws
Inside
Wall
Mounting Bracket
1/4"-20
Lock Nuts
ALTERNATE WALL INSTALLATION
Inside
Wall
- Floor -
1/4"-20x1/2" Carriage Bolts
(with square shoulders)
"C" Wrap
with Slot
Mounting Bracket with
Square Holes
Mounting Bracket with Slot
Mounting Bracket with Square Holes
"C" Wrap
Sensor with Wire
Indicator Light
Mounting Bracket
with Square Holes
#10-32
Lock Nuts
DOOR TRACK INSTALLATION
2
Discard slotted bracket. Drill 3/8" holes in each track and
fasten securely with hardware .
Door Track
Drill 3/8" Holes
1/4"-20x1/2"
Carriage Bolts
ALTERNATE FLOOR INSTALLATION
Inside
Wall
"C" Wrap
- Floor -
17
"C" Wrap
#10-32x3/8"
Screws
1/4" Lock Nuts
Inside
Wall
"C" Wrap
Mounting Bracket with
Square Holes
Sensor with Wire
Indicator Light
Mounting Bracket with
Square Holes
Mounting Bracket with Slot
Attach with Concrete Anchors
(Not Provided)