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2245
Chamberlain 2245 User Manual
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The Chamberlain Group, Inc.
845 Larch
Avenue
Elmhurst, Illinois 60126-1
196
www
.liftmaster
.com
GARAGE DOOR OPENER
Models
2245 1/3 HP
2255 1/2 HP
2255-2 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
.
®
2
Table of Contents
Introduction
2
Table of Contents
2
Safety Symbol and Signal Word Review
2
Preparing Your Garage Door
3
Tools Needed
3
Planning
4
Carton Inventory
5
Hardware Inventory
5
Assembly
6
Attach the Chain to the Sprocket
6
Attach the Rail to the Motor Unit
6
Assembly
7
Installation
7
Installation Safety Instructions
7
Tighten the Chain
7
Determine the Header Bracket Location
8
Install the Header Bracket
9
Attach the Rail to the Header Bracket
10
Position the Opener
11
Hang the Opener
12
Install the Door Control
13
Attach the Emergency Release Rope and Handle
14
Install the Light
14
Electrical Requirements
15
Install the Protector System
16
Aligning the Safety Sensors
18
Troubleshooting the Safety Sensors
18
Fasten the Door Bracket
19
Connect Door Arm to Trolley
21
Connect the Door Arm to the Trolley
22
Adjust the Travel Limits
23
Adjust the Force
24
Adjustment
24
Test the Protector System
25
Test the Safety Reversal System
25
Operation
26
Operation Safety Instructions
26
Using Your Garage Door Opener
26
To Open the Door Manually
27
Using the Wall-Mounted Door Control
27
Care of Your Garage Door Opener
28
Having a Problem
29
Diagnostic Chart
30
3-Button Remotes
31
Programming
31
To Add or Reprogram a Hand-Held Remote Control
31
To Erase All Codes
31
To Add, Reprogram or Change a Keyless Entry PIN
32
Installation Parts
33
Rail Assembly Parts
33
Repair Parts
33
Motor Unit Assembly Parts
34
Accessories
35
Repair Parts and Service
36
Warranty
36
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Chamberlain 2245 Specifications
General
Brand
Chamberlain
Model
2245
Category
Garage Door Opener
Language
English
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