The Chamberlain Group, Inc.
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illinois 60126-1196
For Residential Use Only
Garage Door Opener
Owner’s Manual
Model M150
1/2 HP
Complies with UL 325
regulations effective
January 1, 1993
®
■
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 back of your opener.