Chamberlain B970 User Manual

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Contents
Preparation ...................................... 2-5
Assembly .........................................6-9
Installation ..................................10-27
Install the Door Control ............20-21
Install the Protector System® ....22-25
Connect power .........................26-27
Adjustments .................................28-30
Battery Backup ..................................31
MyQ® Smartphone Control .................32
Operation .....................................33-37
Using your Garage Door Opener .....34
To Open the Door Manually ...........34
Smart Control Panel® ...............35-36
Remote Control .............................36
Homelink® ...................................36
To Erase the Memory .....................37
Maintenance .....................................38
Troubleshooting ........................... 39-40
Accessories ........................................ 41
Warranty ........................................... 42
Repair Parts ................................. 43-44
Owner’s Manual
B970
Belt Drive
Garage Door Opener
FOR RESIDENTIAL USE ONLY
PRE-PROGRAMMED REMOTE CONTROL
INCLUDED
www.chamberlain.com
www.mychamberlain.com
Smart Garage Opener
• 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 garage door opener are required to ensure
safe operation.
• The model number label is located on the left side panel of your
garage door opener.
• This garage door opener is compatible with MyQ® and
Security+b2.0® accessories.
• DO NOT install on a one-piece door if using devices or features
providing unattended close. Unattended devices and features are
to be used ONLY with sectional doors.

Chamberlain B970 Specifications

General

Battery Backup	Yes
Smartphone Control	Yes
Wi-Fi Enabled	Yes
Safety Sensors	Yes
Motor Type	DC
Works With	Google Assistant
Drive Type	Belt Drive
Speed	7 inches per second

Summary

Preparation

Assembly

Assemble the Rail and Install the Trolley

Fasten the Rail to the Motor Unit

Install the Idler Pulley

Install the Belt

Tighten the Belt

Install the Sprocket Cover

Installation

Key Installation Instructions

General safety warnings and critical steps to follow before beginning the installation process.

Determine the Header Bracket Location

Step-by-step guide to find the correct header bracket mounting position based on door type.

Install the Header Bracket

Instructions for securely mounting the header bracket to the wall or ceiling.

Attach the Rail to the Header Bracket

How to connect the rail assembly to the previously installed header bracket.

Position the Garage Door Opener

Guidance on placing the opener unit on the garage door for proper alignment during installation.

Hang the Garage Door Opener

Instructions for securely mounting the opener unit to the garage structure.

Attach the Emergency Release Rope and Handle

Install the Door Bracket

Instructions for attaching the door bracket to the garage door panel.

Install the Door Bracket (continued)

Further details on installing the door bracket for different door types and materials.

Connect Door Arm to Trolley

How to attach the door arm assembly to the opener's trolley.

Connect Door Arm to Trolley (continued)

Specific instructions for connecting the door arm to the trolley for one-piece doors.

Install the Door Control

Steps for mounting and wiring the wall-mounted door control panel.

Wire the Door Control to the Garage Door Opener

Connects the wired door control panel to the main garage door opener unit.

Install Protector System

Instructions for installing the safety reversing sensors.

Install Protector System (continued)

Details wall and floor mounting options for the safety reversing sensors.

Wire the Safety Reversing Sensors

Connecting the safety reversing sensor wires to the garage door opener.

Wire the Safety Reversing Sensors (continued)

Instructions for wiring safety sensors in pre-wired garage installations.

Connect Power

How to connect the garage door opener unit to electrical power.

Align Safety Reversing Sensors

Adjustments

Program Door Travel Limits

Test Safety Reversal System

Test Protector System

Battery Backup

Install Battery Backup

Test Battery Backup

MyQ® Smartphone Control

Connect Smartphone to MyQ

Operation

General Operation Safety

Opener Operation Guide

Manual Door Operation

Maintenance

Troubleshooting

Troubleshooting Diagnostic Chart

Common Troubleshooting Scenarios