Chamberlain HD520EV User Manual

1/2 hp Belt Drive
Garage Door Opener
Model HD520EV
FOR RESIDENTIAL USE ONLY
■ 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
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
■ DO NOT enable the Timer-to-Close feature if you are installing the garage door
opener on a one-piece door. The Timer-to-Close is to be used ONLY with sectional
doors.
. .
® is connected and
® and Security✚ 2.0™ accessories.
Write down the following information
for future reference:
Serial Number:
Date of Purchase:
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
www.chamberlain.com
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196