Chamberlain 1/2-HP LW3500 User's Manual

Chamberlain Belt Drive Openers User's Manual - 1/2-HP LW3500.
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The Chamberlain Group, Inc.

845 Larch Avenue

Elmhurst, Illinois 60126-1196

www.chamberlain.com

CONTENTS

Preparation .............................. 1-4

Assembly ................................. 5-9

Installation ............................ 10-19

Install the Door Control ............. 20-21

Install the Protector System® ...... 22-25

Power  .................................. 26-27

Adjustments .......................... 28-30

Operation.................................. 31

Using Your Garage Door Opener ...... 32

Using the Wall-Mounted 
Door Control .............................. 32

To Open the Door Manual .............. 33

Care of Your Opener ..................... 33

Having a Problem? ...................... 34

Diagnostic Chart ......................... 35

Programming ......................... 36-37

The Remote Control Battery ............ 38

Accessories ............................... 39

Warranty .................................. 40

Repair Parts .......................... 41-42

1/2 hp Belt Drive 
Garage Door 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 panel of your garage 

door opener.

FOR RESIDENTIAL USE ONLY 

Serial Number:

Date of Purchase:

 

Write down the following information 
for future reference:

..

LW3500

®

0.575073s