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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
GARAGE DOOR OPENER
Models 3245 1/3 HP
3255 1/2 HP
3255-2 1/2 HP
For Residential Use Only
Owner’s Manual
■ 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 opener are required to ensure safe operation.
■ The model number label is located on the front panel of your opener.
®