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Chamberlain WHISPER DRIVE 248739 User Manual

Chamberlain WHISPER DRIVE 248739
40 pages
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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
GARAGE DOOR OPENER
Model 248739
For Residential Use 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 left side panel of your opener.
®
®

Table of Contents

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Chamberlain WHISPER DRIVE 248739 Specifications

General IconGeneral
TypeChain Drive
Horsepower1/2 HP
Battery BackupNo
Maximum Door Height7 ft
Motor TypeAC
Remote Controls Included2
Noise LevelQuiet
Safety FeaturesSafety sensors
SecurityRolling code
Smart TechnologyYes (myQ compatible)
WarrantyLifetime motor warranty

Summary

Introduction and Planning

Owner's Manual Overview

Introduction to the manual and model information.

Garage Door Preparation and Tools

Steps to ensure door balance, safety, and list of required tools.

Installation Planning and Inventory

Considerations for door types, planning, and checking carton contents.

Assembly

Key Assembly Steps

Assemble rail, trolley, belt, pulley, and set tension.

Installation

Critical Installation Safety Instructions

Critical safety warnings and preparatory steps before installation.

Determine Header Bracket Location

Guidance on finding the correct mounting position for the header bracket.

Install Header Bracket and Rail

Instructions for mounting the header bracket and attaching the rail.

Position and Hang the Opener

Steps for placing the opener unit correctly and securing it.

Install Door Control and Lights

Mounting the wall-mounted door control and installing the opener lights.

Install Safety Reversing Sensors

Guidance on installing and aligning the safety sensors for obstruction detection.

Fasten Door Bracket and Connect Arm

Securing the door bracket and connecting the door arm to the trolley.

Adjustment, Testing, and Operation

Adjustment and Testing Procedures

Adjusting travel limits, force, and testing safety reversal systems.

Safe Operation and Maintenance

Guidelines for using the opener, manual operation, and periodic maintenance.

Troubleshooting, Programming, and Support

Troubleshooting Common Problems

Identifying issues, using the diagnostic chart, and common solutions.

Programming Opener Features

Adding remotes, keyless entry, and erasing codes.

Parts, Accessories, and Service

Identifying parts, available accessories, and warranty information.

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