Chamberlain Security+ 9950D User Manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
GARAGE DOOR OPENER
Model • 9950D 1/2 HP
For Residential Use Only
Owner’s Manual
■ 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 opener are required to ensure safe operation.
■ The model number label is located on the front panel of your opener.

Chamberlain Security+ 9950D Specifications

General

Type	Chain Drive
Drive	Chain
Horsepower	1/2 HP
Smart Technology	Yes
Battery Backup	Yes
Security Features	Security+ 2.0
Voltage	120V
Remote Controls Included	2
Wi-Fi Capable	Yes
Security	Rolling code technology
Motor Type	DC motor
Works With	Amazon Alexa, Google Assistant
Remote Control	3-Button Remote Control

Summary

Introduction and Preparation

Preparing Your Garage Door

Essential steps before installing the opener, including door balance.

Assembly

Assemble the Rail

Step-by-step instructions for assembling the opener rail.

Fasten Rail to Motor Unit & Install Trolley

Connecting the rail assembly to the motor unit and trolley.

Installation

Important Installation Instructions

Critical safety warnings and general instructions for installation.

Determine the Header Bracket Location

Guidance on choosing the correct mounting point for the header bracket.

Install the Header Bracket

Instructions for physically mounting the header bracket to the wall or ceiling.

Install The Protector System®

Installing the safety reversing sensors.

Mounting and Wiring the Safety Reversing Sensors

Securing the sensors and routing their wires.

Hang the Opener

Securing the motor unit to the ceiling or supports.

Install the Door Control

Mounting and wiring the wall-mounted door control panel.

Electrical Requirements

Complete the Safety Reversing Sensor Installation

Connect Door Arm to Trolley

Adjustment

Adjust the UP and DOWN Travel Limits

Setting the points where the door stops opening/closing.

Adjust the Force

Regulating the power needed for door movement.

Test the Safety Reversal System

Verifying the auto-reverse function for safety.

Test The Protector System®

Checking the functionality of the safety reversing sensors.

Operation

Important Safety Instructions

Crucial safety guidelines for operating the opener.

Using Your Garage Door Opener

Using the Wall-Mounted Door Control

Maintenance and Troubleshooting

Having a Problem?

Diagnostic Chart

Programming

To Add or Reprogram a Hand-held Remote Control

To Add, Reprogram or Change a Keyless Entry PIN