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MODEL CSO – 1/2HP
COMMERCIAL STRENGTH OPERATOR
For Residential and Light Duty Commercial Use
Install on Sectional Doors Only
OWNER'S MANUAL
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■ 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 end panel of your opener as
shown.
The Chamberlain Group, Inc.
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illlinois 60126-1196
Complies with UL 325
Regulations effective
January 1, 1993.
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