3/4 hps
*
Belt Drive
Garage Door Opener with
MyQ
®
Smartphone Control
Models
• HD750WFC
• LW6000WFC
FOR RESIDENTIAL USE ONLY
Write down the MyQ
®
serial number
located on the garage door opener:
* Horsepower similar (hps) designates that this garage
door opener system meets Chamberlain's pulling force
specification for a 3/4 horsepower 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
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
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.
®
is connected and
®
and Security+ 2.0
®
CONTENTS
Preparation . . . . . . . . . . . . . . . .1-4
Assembly . . . . . . . . . . . . . . . . .5-9
Installation . . . . . . . . . . . . . . 10-27
Adjustments . . . . . . . . . . . . . 28-30
MyQ
®
Smartphone Control
Get Connected . . . . . . . . . . . . . . 31
Operation . . . . . . . . . . . . . . . 32-36
Maintenance . . . . . . . . . . . . . . . 37
Troubleshooting. . . . . . . . . . . 38-39
Accessories. . . . . . . . . . . . . . . . 40
Warranty. . . . . . . . . . . . . . . . . . 41
Repair Parts . . . . . . . . . . . . . 42-43
www.chamberlain.com
www.mychamberlain.com
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196