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 front panel of your opener.
■
DO NOT exceed 8 complete cycles of door operation per hour.
■
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
COMMERCIAL DOOR OPENER
Model ATS 2113X 1/2 HP
For Residential And Light Duty Commercial Use
Install on Sectional Doors Only
H
I
G
H
L
O
W
N O R
M
A
L
H
I
G
H
L
O
W
N O R
M
A
L
UP
FORCE
DOWN
FORCE
®