Chamberlain CPS-U Manual page 4

INSTALL MODEL CPS-UN4
ASSEMBLE AND MOUNT THE BRACKETS
Make sure the brackets are aligned so the photoelectric sensors
will face each other across the entrapment zone.
FOR DOORS
Mount sensors no more than 6" (15 cm) above the fl oor and at a
width between 7'-45'.
FOR GATE
Mount within 5" (12.7 cm) of the moving
gate panel with a maximum height of 27.5"
(69.8 cm) above grade (21" (53.3 cm) is
recommended) and at a width between
7'-45'.
The recommended mounting location is on
the inside of the gate.
The brackets can be mounted on the ground, door track, or wall.
Refer to examples shown below.
1. Determine the confi guration for your brackets. The assembly of
the brackets will vary depending on your installation.
GROUND OR WALL INSTALLATION
2. Fasten the bracket with the track bolts. NOTE: Always use a fl at
washer next to the radius slot. Putting track bolts in slots will
prevent brackets from pivoting.
3. Attach the bracket assembly to the wall with lag screws
(provided) or to the ground with concrete anchors (not
provided).
4. Insert the sensor into the brackets and fasten with the hex
mounting nut and lock washer.
DOOR TRACK INSTALLATION (FOR GARAGE DOOR ONLY)
2. Drill 1/4" holes in each track and securely fasten the bracket
with the track bolts. NOTE: Always use a fl at washer next to the
radius slot. To vertically attach to 2 x 4 wall stud it may become
necessary to rotate bracket to prevent wood from splitting.
3. Insert the sensor into the bracket and fasten with the hex
mounting nut and lock washer.
Photoelectric
Sensor
6"
(15 cm)
Photoelectric
Sensor
27.5" (69.8 cm)
max.
BRACKET ASSEMBLY CONFIGURATIONS
Assemble to either side
Assemble to either side
1/2" Hole Spacing
1/2" Hole Spacing
2" Hole Spacing
2" Hole Spacing
Hex Mounting Nut
Hex Mounting Nut
for Sensor
1/4"-20x5/8"
1/4"-20 x 5/8"
Track Bolts
Track Bolts
1/4" Flat Washer
1/4" Flat Washer
1/4" Lock Washer
1/4" Lock Washer
1/4"-20 Hex Nut
1/4" Hex Nut
Hex Mounting Nut
Hex Mounting Nut
for Sensor
Lock Washer
Lock Washer for Sensor
Door Track
Door
1/4" Drill
/4" Drill
Holes
oles
1/4"-20x5/8" Track Bolts
4
GARAGE DOOR
GATE
Edge of Gate Panel
5" (12.7 cm) max. gap
Invisible Light Beam
Photoelectric
Sensor
Flip one bracket and
Flip one bracket and
assemble to either side
assemble to either side
TYPICAL INSTALLATION
Lock Washer
Lock Washer for Sensor
1/4"-20x5/8" Track Bolts
1/4"-20 x 5/8"
Track Bolts
1/4" Lock Washer
1/4" x 1-1/2"
1/4"-20 Hex Nut
Lag Screws
TYPICAL INSTALLATION
1/4" Flat Washer
1/4" Flat Washer
1/4" Lock Washer
1/4" Lock Washer
1/4" Hex Nut
1/4"-20 Hex Nut
Photoelectric
Sensor
6"
(15 cm)
Wall or Fence
Mounting
Post
1/4" Lock Washer 1/4" Lock Was
1/4"-20 Hex Nut 1/4"-20 Hex N