Chamberlain 311 User Manual

GARAGE DOOR OPENER
Model 311
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 311 Specifications

General

Type	Chain Drive
Horsepower	1/2 HP
Battery Backup	No
Remote Control	Yes
Voltage	120V
Safety Sensors	Yes
Security	Rolling Code
Max Door Height	7 ft

Summary

Carton Inventory

Opener Components List

Lists all parts included in the opener package.

Hardware Inventory

Installation Hardware Details

Details the specific hardware required for installation.

Important Installation Instructions

Safety Warnings for Installation

Critical safety instructions for opener installation.

Electrical Requirements

Grounding and Wiring Connections

Covers power connection and grounding standards.

Install Protector System

Safety Reversing Sensor Installation

Installs and aligns the safety reversing sensors.

Mount and Wire Safety Sensors

Sensor Wiring and Alignment

Connects sensor wires and aligns the beam path.

Adjust Travel Limits

Adjusting Up and Down Travel Limits

Regulates door stopping points for open and close cycles.

Adjust Force Controls

Adjusting Opening and Closing Force

Sets the power needed for door movement.

Safety System Testing

Test Safety Reversal System

Verifies the door reverses upon contact with an obstruction.

Test Protector System

Verifies the safety reversing sensors function correctly.

Troubleshooting Opener Problems

Common Opener Malfunctions

Diagnoses common opener malfunctions and solutions.

Opener Programming

Adding or Reprogramming Remote Controls

Links new remotes to the opener using the learn button.

Erasing All Motor Unit Codes

Keyless Entry Programming

Adding, Reprogramming, or Changing Keyless Entry PIN

Manages access codes for the keyless entry system.