Operation Manual

TM
The Chamberlain Group, Inc.
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illinois 60126-1196
For Residential Use Only
Garage Door Opener
Model 2000SDR
1/2 HP
Model 1000SDR
1/3 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.

Summary of content (36 pages)