TM
H
I
G
H
L
O
W
NORMAL
H
I
G
H
L
O
W
NORMAL
UPFORCE DOWNFORCE
The Chamberlain Group, Inc.
845 Larch Avenue,
Elmhurst, Illinois 60126
MODEL ATS 211RCOMMERCIAL DOOR OPENER

For Residential and Light Duty Commercial Use

Install on Sectional Doors Only

OWNER'S MANUAL

■ 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 operator cover.
®