Chamberlain HD210 - Page 24

23
Installation
STEP 13 Install the Protector System
®
(continued)
OPTION B WALL INSTALLATION
If additional clearance is needed an extension bracket (not provided) or wood blocks can be used. Make
sure each brackethas the same amount ofclearance so they will align correctly.
1. Position the sensor bracket against the wall with the curved arms facing the door.Make sure
there isenough clearance for the beam to be unobstructed. Mark holes.
2. Drill 3/16 inch pilot holes for each sensor bracket and attach the sensor brackets to the wall using
lag screws(notprovided).
3. Slide the carriage bolt into the slot on each sensor.
4. Insertthe boltthrough the hole in the sensor bracketand attach with the wing nut. The lenses on
both sensors should point toward each other. Make sure the lens is not obstructed by the sensor
bracket.
(Not provided)
No more than
6 inches (15 cm)
1
2
Inside
G
arage
Wall
(Not provided)
Lens
Carriage Bolt
1/4"-20x1/2"
Wing Nut
1/4"-20
3
4
OPTION C FLOOR INSTALLATION
Use an extension bracket (not provided) or wood blockto raise the sensor bracket ifneeded.
1. Carefully measure the position of both sensor brackets so theywill be the same distance from the
wall and unobstructed.
2. Attach the sensor brackets to the floor using concrete anchors (not provided).
3. Slide the carriage bolt into the slot on each sensor.
4. Insertthe boltthrough the hole in the sensor bracketand attach with the wing nut. The lenses on
both sensors should point toward each other. Make sure the lens is not obstructed by the sensor
bracket.
I
nsid
e
G
arage
Wa
l
l
(Not provided)
1 2
Carriage Bolt
1/4"-20x1/
2"
Wing Nut
1/4"-20
3
4