Chamberlain LiftMaster Security+ 2255 1/2HP Owner's Manual

GARAGE DOOR OPENER
Models 2245 1/3 HP
2255 1/2 HP
2255-2 1/2 HP
For Residential Use Only
Owner's Manual
Please read this manual and the enclosed safety materials carefully!
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Fasten the manual near the garage door after installation.
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The door WILL NOT CLOSE unless the Protector System
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properly aligned.
Periodic checks of the opener are required to ensure safe operation.
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The model number label is located on the front panel of your opener.
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®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
is connected and
®
®