Chamberlain ATS 211X 1/2 HP User Manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
COMMERCIAL DOOR OPENER
Model ATS 211X 1/2 HP
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 front panel of your opener.
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Chamberlain ATS 211X 1/2 HP Specifications

General

Brand	Chamberlain
Model	ATS 211X 1/2 HP
Category	Garage Door Opener
Language	English

Summary

Introduction and Safety

Safety Symbol and Signal Word Review

Assembly

Rail and Chain Assembly

Connects the rail to the motor unit and attaches the drive chain.

Chain Tension Adjustment

Installation

Header Bracket Installation

Guides on determining location and securely mounting the header bracket.

Rail and Opener Mounting

Install Door Control and Safety Sensors

Mounts the wall control, light, emergency release, and safety sensors.

Connect Door Arm and Electrical

Adjustment and Testing

Adjust Travel Limits and Force

Sets the door's open/close points and the force required for movement.

Safety System Verification

Verifies the functionality of safety reversal and protector sensor systems.

Operation

Using Your Garage Door Opener

Programming

Remote and Keyless Entry Setup

Troubleshooting

Common Opener Problems and Solutions