Chamberlain 8365W User Manual

Wi-Fi
®
Garage Door Opener
Premium Series Chain Drive Models 8365W and 8365W-267
• Please read this manual and the safety materials
carefully!
• 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.
• This garage door opener is ONLY compatible with
MyQ
®
and Security+ 2.0
®
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.
• Attach warning labels to the location indicated on
label.
FOR RESIDENTIAL USE ONLY
LiftMaster
300 Windsor Drive
Oak Brook, IL 60523
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updates and offers from LiftMaster
Send it in by texting
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Take a photo of the camera icon
including the points ( ).

Chamberlain 8365W Specifications

General

Motor Power	1/2 HP
Horsepower	1/2 HP
Smart Technology	Yes
Connectivity	Wi-Fi
Battery Backup	Yes
Remote Control	Yes
Security	Rolling code technology
Speed	7 inches per second
Max Door Height	7 ft
Safety Features	Safety sensors
Lighting	LED
Warranty	Lifetime motor warranty
Drive System	Chain Drive
Motor Type	DC

Summary

Preparation and Initial Checks

Safety Symbol and Signal Word Glossary

Explains the meaning of safety symbols and signal words used throughout the manual.

Unattended Operation Guidelines

Garage Door Condition Check

Assembly of Opener Components

Attach Rail to Garage Door Opener

Chain Tension Adjustment

Garage Door Opener Installation Guide

Important Installation Safety Instructions

Critical safety and installation guidelines to follow before starting the process.

Header Bracket Location Determination

How to find the correct position for mounting the header bracket.

Header Bracket Installation

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

Rail to Header Bracket Attachment

Hanging the Garage Door Opener Unit

Emergency Release Rope and Handle Attachment

Door Bracket Installation

Door Arm to Trolley Connection

Links the garage door to the opener's trolley system.

Door Control Installation

Wiring Door Control to Opener

Warning Label Placement

Install the Protector System®

Protector System® Introduction

Safety Reversing Sensor Installation

Detailed steps for mounting the safety sensors on the door track or wall.

Safety Reversing Sensor Wiring

Power Connection and Electrical Setup

Connecting the Opener to Power

Guides on connecting the garage door opener to a power source.

Safety Sensor Alignment Verification

Checks and verifies the proper alignment and functionality of safety sensors.

Door Control Wiring Verification

Adjustments and System Testing

Programming Travel Limits

Steps to set the door's fully open and fully closed positions.

Safety Reversal System Testing

Procedures to verify the safety reversal system functions correctly.

Protector System® Testing

Verifies the functionality of the safety reversing sensors.

Garage Door Opener Operation

Key Operational Safety Instructions

Critical safety guidelines for operating the garage door opener.

Using Your Garage Door Opener

Smartphone and Wi-Fi Connectivity

Guide to connecting the opener to a Wi-Fi network and the MyQ app.

Door Control Usage and Features

Remote Control Programming

Manual Door Operation

Troubleshooting Common Issues

Diagnostic Codes and Solutions

Lists diagnostic codes, symptoms, and solutions for common opener issues.

Wi-Fi Connectivity Troubleshooting

Product Warranty Details

LiftMaster Limited Warranty