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
Battery Backup. . . . . . . . . . . . 31-32
Operation . . . . . . . . . . . . . . . . . 33
Features . . . . . . . . . . . . . . . . . . 34
Door Control . . . . . . . . . . . . . 35-36
Remote Control . . . . . . . . . . . 36-37
To Erase the Memory . . . . . . . . . 37
To Open the Door Manually . . . . . 38
Maintenance . . . . . . . . . . . . . . . 39
Troubleshooting. . . . . . . . . . . 40-41
Accessories. . . . . . . . . . . . . . . . 42
Warranty. . . . . . . . . . . . . . . . . . 43
Repair Parts . . . . . . . . . . . . . 44-45
Notes . . . . . . . . . . . . . . . . . . . . 46
1hps
*
Belt Drive
Battery Backup
Garage Door Opener
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
■
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 S2.0™
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.
www.chamberlain.com
Model Number:
Serial Number:
Date of Purchase:
Model WD850KEVG
FOR RESIDENTIAL USE ONLY
Write down the following information for
future reference:
..
* Horsepower similar (hps) designates that this garage
door opener system meets Chamberlain’s pulling force
specification for a 1 horsepower garage door opener.
