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Contents
Preparation ...................................... 2-5
Assembly .......................................6-10
Installation ..................................11-28
Install the Door Control ............21-22
Install the Protector System® ....23-26
Power ......................................27-28
Adjustments .................................29-31
MyQ® Smartphone Control .................32
Operation .....................................33-37
Using your Garage Door Opener .....34
To Open the Door Manually ...........34
Multi-Function
Control Panel ...........................35-36
Remote Control and
Keyless Entry ................................36
Homelink® ...................................36
To Erase the Memory .....................37
Maintenance .....................................38
Troubleshooting ........................... 39-40
Accessories ........................................ 41
Warranty ........................................... 42
Repair Parts .................................43-44
Owner’s Manual
C455
Chain Drive
Garage Door Opener
FOR RESIDENTIAL USE ONLY
PRE-PROGRAMMED REMOTE CONTROL
INCLUDED
www.chamberlain.com
www.mychamberlain.com
• Please read this manual and the enclosed safety materials carefully!
• Fasten the manual near the garage door after installation.
• The door WILL NOT CLOSE unless the Protector System
®
is connected
and properly aligned.
• Periodic checks of the garage door opener are required to ensure
safe operation.
• The model number label is located on the front panel of your garage
door opener.
• This garage door opener is compatible with MyQ® and
Security+b2.0® accessories.
• DO NOT install on a one-piece door if using devices or features
providing unattended close. Unattended devices and features are
to be used ONLY with sectional doors.
Smart Garage Opener
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