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
Features ................................... 32
Door Control .......................... 33-34
Remote Control ...................... 34-35
To Erase the Memory .................... 35
To Open the Door Manually ............ 35
Maintenance .............................. 36
Troubleshooting ...................... 37-38
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 side panel of your garage
door opener.
■ This garage door opener is 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.
Serial Number:
Date of Purchase:
Models
• HD520EVP
• LW3500EV
FOR RESIDENTIAL USE ONLY
Write down the following information
for future reference:
.
.
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
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