Doit 4500DI-2DM 1/2 HP User Manual

GARAGE DOOR OPENER
Models • 4500DIDM 1/2 HP
• 4500DI-2DM 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.
Made exclusively for
Do It Best Corp.
Fort Wayne, Indiana

Doit 4500DI-2DM 1/2 HP Specifications

General

Brand	Doit
Model	4500DI-2DM 1/2 HP
Category	Garage Door Opener
Language	English

Summary

Introduction to Manual and Safety

Safety Symbol and Signal Word Review

Explains hazard symbols and signal words used throughout the manual.

Garage Door Preparation and Installation Tools

Essential Tools for Installation

Lists necessary hand tools required for assembly and installation.

Garage Door Opener Installation Planning

Sectional Door Installation Planning

Outlines planning steps for sectional garage doors, including reinforcement needs.

One-Piece Door Opener Installation Planning

Carton Contents Inventory

Hardware Inventory

Assembly Step 1: Rail and Trolley Installation

Assembly Steps: Rail and Pulley Installation

Fasten Rail to Motor Unit

Connects the garage door opener rail to the motor unit.

Install the Idler Pulley

Guides the installation of the idler pulley into the rail assembly.

Assembly Step 4: Chain/Cable Installation

Assembly Step 3: Chain Tightening

Important Installation Safety Warnings

Installation Step 1: Determine Header Bracket Location

Installation Step 2: Install the Header Bracket

Installation Step 3: Attach Rail to Header Bracket

Installation Step 4: Position the Opener Unit

Installation Step 5: Hang the Opener Unit

Installation Step 6: Install the Door Control

Installation Steps: Light and Emergency Release

Install the Light

Instructions for installing the opener's light bulb and lens.

Attach Emergency Release Rope and Handle

Connects the emergency release rope and handle to the trolley.

Installation Step 9: Electrical Requirements

Installation Step 10: Install The Protector System®

Installing Safety Reversing Sensor Brackets

Mounting and Wiring Safety Reversing Sensors

Safety Sensor Connections and Troubleshooting

Connect Safety Sensors to Opener

Guides wiring the safety sensors to the opener's quick-connect terminals.

Troubleshooting Safety Reversing Sensors

Provides solutions for common issues with safety reversing sensors.

Installation Step 11: Fasten the Door Bracket

One-Piece Door Bracket Installation

Installation Step 12: Connect Door Arm to Trolley

One-Piece Door Arm Adjustment and Connection

Adjustment Step 1: Adjust Up and Down Travel Limits

Adjustment Step 2: Adjust the Force

Adjustment Steps: Safety Tests

Test the Safety Reversal System

Verifies the door reverses upon contact with an obstruction.

Test The Protector System®

Tests the functionality of the safety reversing sensors.

Operation and Safety Instructions

Opener Care and Manual Operation

Using the Wall-Mounted Door Control

How to operate the door using the wall-mounted control.

To Open the Door Manually

Procedures for manually opening or closing the door.

Opener Maintenance Schedule

Recommended maintenance tasks for the garage door opener.

Problem Troubleshooting Guide

Diagnostic Chart

Programming Your Garage Door Opener

Programming Keyless Entry PINs

Repair Parts Identification

Motor Unit Assembly Parts

Available Accessories

Service, Parts Ordering, and Warranty

Do It Best Corp. Service Information

Contact information for installation, service, and repair parts.

Limited Warranty Details

Outlines the terms and conditions of the product warranty.