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Chamberlain 1346M User Manual

Chamberlain 1346M
40 pages
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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
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.
GARAGE DOOR OPENER
Model Series 1300
For Residential Use Only
Model 1356M - 1/2HP
Model 1346M - 1/3HP
Model 1355M - 1/2HP
Model 1345M - 1/3HP
®
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Chamberlain 1346M Specifications

General IconGeneral
TypeChain Drive
Horsepower1/2 HP
Max Door Height / Lift Capacity7 ft
Smart Home CompatibilityYes
Battery BackupNo
Remote Control(s) Included2
Voltage120V
Security+ 2.0 Rolling Code TechnologyYes
Wall Console IncludedYes
Works with MyQYes

Summary

Introduction and Safety

Safety Symbol and Signal Word Review

Explains safety symbols and signal words used in the manual to identify hazards.

Installation Preparation

Preparing Your Garage Door

Steps to ensure the garage door is balanced and free of obstructions before installation.

Tools Needed and Planning

Lists essential tools and initial planning considerations for opener installation.

Assembly and Mounting

Motor Unit and Rail Assembly

Instructions for assembling the motor unit, rail, chain, and sprocket.

Header Bracket and Opener Mounting

Guides on determining location and mounting the header bracket and opener.

Door Bracket and Arm Attachment

Instructions for fastening the door bracket and connecting the door arm.

System Installation Details

Door Control and Wiring

Steps for installing the wall-mounted door control and running its wire.

Electrical Requirements

Information on connecting the opener to the power supply and grounding.

Safety Reversing Sensor Installation

Details on installing the Protector System® sensors for safety.

Adjustments and Testing

Adjusting Travel Limits and Force

How to set the up/down travel limits and opening/closing force.

Safety System Testing

Procedures for testing the safety reversal and protector systems.

Operation and Troubleshooting

Using Your Garage Door Opener

Explains basic operation with remotes, controls, and manual release.

Common Problems and Solutions

Addresses issues like opener not operating, remote range, and door reversal.

Programming and Maintenance

Remote Control and Keyless Entry Programming

Steps to add or reprogram remote controls and keyless entry PINs.

Routine Maintenance Schedule

Recommended checks and lubrication for opener longevity.

Parts, Accessories, and Warranty

Repair Parts Identification

Lists and illustrates available replacement parts for the opener.

Available Accessories

Describes optional accessories to enhance opener functionality.

Warranty Information

Details the limited warranty terms and conditions for the opener.

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