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Chamberlain WHISPER DRIVE 248754 User Manual

Page 2

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2

TABLE OF CONTENTS

When you see these Safety Symbols and Signal Words on
the following pages, they will alert you to the possibility
of serious injury or death if you do not comply with the
warnings that accompany them. The hazard may come
from something mechanical or from electric shock. Read
the warnings carefully.

When you see this Signal Word on the following pages, it
will alert you to the possibility of damage to your garage
door and/or the garage door opener if you do not comply
with the cautionary statements that accompany it. Read
them carefully.

INTRODUCTION

Safety Symbol and Signal Word Review

This garage door opener has been designed and tested to offer safe service provided it is installed, operated, maintained
and tested in strict accordance with the instructions and warnings contained in this manual.

Mechanical

Electrical

Introduction 2-7

Safety symbol and signal word review . . . . . . . . . . . . . . . 2

Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . . 3

Tools needed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Carton inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Hardware inventory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Assembly 8-11

Assemble the rail and install the trolley. . . . . . . . . . . . . . . 8

Fasten the rail to the motor unit . . . . . . . . . . . . . . . . . . . . 9

Install the idler pulley . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Install the belt and attach the belt cap retainer . . . . . . . . 10

Set the tension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Installation

11-28

Installation safety instructions . . . . . . . . . . . . . . . . . . . . 11

Determine the header bracket location . . . . . . . . . . . . . . 12

Install the header bracket . . . . . . . . . . . . . . . . . . . . . . . . 13

Attach the rail to the header bracket . . . . . . . . . . . . . . . . 14

Position the opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Hang the opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Install the door control . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Install the battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Install the lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Attach the emergency release rope and handle. . . . . . . . 19

Electrical requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Install The Protector System

®

. . . . . . . . . . . . . . . . . . 21-24

Fasten the door bracket. . . . . . . . . . . . . . . . . . . . . . . 25-26

Connect the door arm to the trolley . . . . . . . . . . . . . 27-28

Adjustment 29-31

Program the travel limits. . . . . . . . . . . . . . . . . . . . . . . . . 29

Set the force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Test the safety reversal system. . . . . . . . . . . . . . . . . . . . 31

Test The Protector System

®

. . . . . . . . . . . . . . . . . . . . . . 31

Operation 32-38

Operation safety instructions . . . . . . . . . . . . . . . . . . . . . 32

Using your opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Using the wall-mounted door control . . . . . . . . . . . . . . . 33

Care of your opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

To open the door manually . . . . . . . . . . . . . . . . . . . . . . . 34

Battery backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Having a problem? (Troubleshooting) . . . . . . . . . . . . . . 36

Diagnostic chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Programming 38-39

To add or reprogram a hand-held remote control . . . . . . 38

To erase all codes from motor unit memory . . . . . . . . . . 38

3-Button remotes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

To add, reprogram or change a Keyless Entry PIN . . . . . 39

Repair Parts

40-41

Rail assembly parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Installation parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Motor unit assembly parts . . . . . . . . . . . . . . . . . . . . . . . 41

Accessories 42

Notes 43

Repair Parts and Service

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