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16
INSTALLING OBSTRUCTION DETECTION BEAMS (OPTIONAL ACCESSORY)
NOTE: This accessory must be used for all
installations where the closing force as measured
on the bottom of the door is over 400 N (40 kgf).
After the opener has been installed and adjusted,
obstruction detection beams can be installed.
Instructions are included with this accessory.
The obstruction detection beams provide an
additional measure of safety against a small child
or animal being trapped under a garage door. It uses
an infra-red beam, which when broken by an
obstruction, causes a closing door to stop and open,
preventing an open door from closing and is strongly
recommended
for
children or pets.
ENABLING The obstruction detection beams:
• Connect the obstruction detection beam wiring to the opener and turn ON. (The obstruction detection
beams will automatically enable once they are connected and will now operate in a FAIL SAFE mode.)
DISENABLING The obstruction detection beams:
If the obstruction detection beams are installed and needs to be removed the opener will need to be
reprogrammed.
Perform the power ON/OFF sequence as follows
• Remove the obstruction detection beam wires from the opener
• Turn the mains power OFF for 5 seconds
• Turn the power ON for 5 seconds
• Turn the power OFF for 5 seconds
• Turn the power ON and check the opener operates OK without the obstruction detection beams
Whilst Chamberlain have engineered safety features into your garage door opener, we urge you to consider fitting
obstruction detection beams to your new garage door opener. In many countries these devices are compulsory to
assist in preventing serious injury or property damage. For your own peace of mind and the safety of others please
consider installing this safety device.
Timer to close feature (TTC)
Auto close is NOT recommended for households with young children.
TIMER TO CLOSE feature: (TTC) 10 to 180 seconds.
NOTE: Obstruction detection beams must be installed before TTC will operate.
The Timer to Close feature allows the door to automatically close after a specified time period. During the
OPEN door waiting period, the courtesy light will flash for continuoulsy.
If the door encounters an obstruction while closing, the opener will
return to the OPEN position and the waiting period will begin again.
To activate the Timer to Close.
• Start with obstruction detection beams installed and the door fully
CLOSED
• Press and Hold both "P" and "DN" buttons for 3 seconds. When the
Courtesy light flashes "TWICE", release both buttons
• Press the "UP" for each 10 second interval required for
Timer to Close. A "BEEP" will register for each press. "DN" button
will reduce the count if needed.
• Press and release the "P" button to accept this setting
To Deactivate the Timer to Close.
• Start with the door fully CLOSED
• Press and Hold both "P" and "DN" buttons for 3 seconds. When the
Courtesy light flashes "TWICE", release both buttons.
• Press and release the "P" button to accept this setting
The door may operate unexpectedly, therefore do not allow anything to obstruct the path of the
door.
homeowners
with
young
SAFETY FIRST!
10
Flash
ACTIVATE
x 2
TIMER TO
CLOSE
1
3
DN
2
UP
P
SET
3
2
TIME
1
DN
P
UP
Flash x 2
ACCEPT
SETTING
1
3
DN
2
UP
P
S
S
S
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