Chamberlain Lift-Master Security+ 2000SDR Manual

Model 1000SDR
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
aligned.
Periodic checks of the opener are required to ensure safe operation.
The model number label is located on the back of your opener.
TM
Garage Door Opener
1/3 HP
For Residential Use Only
The Chamberlain Group, Inc.
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illinois 60126-1196
Complies with UL 325
regulations effective
January 1, 1993
Model 2000SDR
1/2 HP
® is connected and properly
®