Chamberlain C450 C450 Owner s Manual - English - Page 24

Option B Wall Installation

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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 bracket has the same amount of clearance so they will align correctly. 1. Position the sensor bracket against the wall with the curved arms facing the door. Make sure there is enough 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 (not provided). 3. Slide the carriage bolt into the slot on each sensor. 4. Insert the bolt through the hole in the sensor bracket and 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. 1 2 (Not provided) (Not provided) OPTION C FLOOR INSTALLATION Use an extension bracket (not provided) or wood block to raise the sensor bracket if needed. 1. Carefully measure the position of both sensor brackets so they will 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. Insert the bolt through the hole in the sensor bracket and 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. 1 2 (Not provided) e I ll 3 Lens No more than 6 inches (15 cm) 4 Carriage Bolt 3 Wing Nut 4 Carriage Bolt Wing Nut 24

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24
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 bracket has the same amount of clearance so they will align correctly.
1.
Position the sensor bracket against the wall with the curved arms facing the door. Make sure
there is enough 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 (not provided).
3.
Slide the carriage bolt into the slot on each sensor.
4.
Insert the bolt through the hole in the sensor bracket and 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.
Lens
Carriage
Bolt
(Not provided)
No more than
6 inches (15 cm)
1
2
(Not provided)
Wing Nut
3
4
OPTION
C
FLOOR INSTALLATION
Use an extension bracket (not provided) or wood block to raise the sensor bracket if needed.
1.
Carefully measure the position of both sensor brackets so they will 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.
Insert the bolt through the hole in the sensor bracket and 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)
I
e
ll
1
2
Carriage Bolt
Wing Nut
3
4