Table of Contents
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GARAGE DOOR OPENER
Model 3280 1/2HP
3280-267 1/2HP
For Residential Use Only
Owner's Manual
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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
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properly aligned.
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Periodic checks of the opener are required to ensure safe operation.
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The model number label is located on the front panel of your opener.
®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
®
is connected and
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Summary of Contents for Chamberlain LiftMaster 3280 1/2HP
- Page 1 The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com ® GARAGE DOOR OPENER Model 3280 1/2HP 3280-267 1/2HP 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.
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Page 2: Table Of Contents
TABLE OF CONTENTS Introduction Adjustment 23-25 Safety symbol and signal word review......2 Adjust the travel limits ..........23 Preparing your garage door ........3 Adjust the force ............24 Tools needed ...............3 Test the safety reversal system.........25 Planning ..............4 Test the Protector System ®... -
Page 3: Preparing Your Garage Door
Preparing your garage door Before you begin: To prevent possible SERIOUS INJURY OR DEATH: • Disable locks. • ALWAYS call a trained door systems technician if • Remove any ropes connected to garage door. garage door binds, sticks, or is out of balance. An unbalanced garage door may not reverse when •... -
Page 4: Planning
Planning Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this page and the accompanying illustrations as you proceed with the installation of your opener. -
Page 5: Carton Inventory
Carton Inventory Your garage door opener is packaged in two cartons purchased. If anything is missing, carefully check the which contain the motor unit and all parts illustrated packing material. Parts may be stuck in the foam. below. Accessories will depend on the model Hardware for installation is also listed below. -
Page 6: Assembly
• Insert washered bolts through the rail into the The Chamberlain Group, Inc. motor unit. Tighten bolts securely. Liftmaster Synchro Drive Spring Trolley Nut Assembly Use only these bolts! Use of any other bolts 3/5/92 - 5/16 /92 - 5/21/92 - 6/2/92 6/11/92 will cause serious damage to door opener. -
Page 7: Attach The Belt Cap Retainer
ASSEMBLY STEP 3 Attach the Belt Cap Retainer To avoid possible SERIOUS INJURY to fingers from moving garage door opener: • Position the belt cap retainer over the motor unit • ALWAYS keep hand clear of sprocket while operating sprocket so the two holes in cap align with the two opener. -
Page 8: Determine The Header Bracket Location
Unfinished INSTALLATION STEP 1 OPTIONAL Ceiling CEILING Determine the Header Bracket MOUNT Location HEADER BRACKET Header Wall Vertical Centerline of Garage Door To prevent possible SERIOUS INJURY or DEATH: • Header bracket MUST be RIGIDLY fastened to Structural Supports structural support on header wall or ceiling, otherwise garage door might not reverse when required. -
Page 9: Install The Header Bracket
INSTALLATION STEP 2 Install the Header Bracket Wall Mounting Holes You can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the CEILING MOUNT ONLY The nail hole is for instructions which will work best for your particular positioning only. -
Page 10: Attach The Rail To The Header Bracket
INSTALLATION STEP 3 Attach the Rail to the Header Bracket • Position the opener on the garage floor below the Header Wall header bracket. Use packing material as a protective base. NOTE: If the door spring is in the Header way you’ll need help. -
Page 11: Position The Opener
INSTALLATION STEP 4 Position the Opener To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. Follow instructions which apply to your door type as illustrated. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is convenient for setting an ideal Rail... -
Page 12: Hang The Opener
INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to structural Three representative installations are shown. Yours supports of the garage. Concrete anchors MUST be used may be different. Hanging brackets should be angled if installing any brackets into masonry. -
Page 13: Install The Door Control
INSTALLATION STEP 6 Install the Door Control To prevent possible SERIOUS INJURY or DEATH from electrocution: Locate door control within sight of door at a minimum • Be sure power is not connected BEFORE installing door height of 5 feet (1.5 m) where small children cannot control. -
Page 14: Install The Light
INSTALLATION STEP 7 Install the Light To prevent possible OVERHEATING of the endpanel or light socket: • Press the release tabs on both sides of lens. • DO NOT use short neck or specialty light bulbs. Gently rotate lens back and downward until the •... -
Page 15: Electrical Requirements
INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: To avoid installation difficulties, do not run the • Be sure power is not connected to the opener, and opener at this time. disconnect power to circuit BEFORE removing cover to To reduce the risk of electric shock, your garage door establish permanent wiring connection. -
Page 16: Install The Protector System
INSTALLATION STEP 10 Install The Protector System ® Be sure power is not connected to the garage door opener BEFORE installing the safety reversing sensor. The safety reversing sensor must be connected To prevent SERIOUS INJURY or DEATH from a closing and aligned correctly before the garage door garage door: opener will move in the down direction. - Page 17 INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Figure 1 DOOR TRACK MOUNT (RIGHT SIDE) Install and align the brackets so the sensors will face each other across the garage door, with the beam no higher than 6" (15 cm) above the floor. They may be Door Track installed in one of three ways, as follows.
- Page 18 MOUNTING AND WIRING THE REVERSING Figure 5 SAFETY SENSORS Wing Nut • Slide a 1/4"-20x1/2" carriage bolt head into the slot 1/4"-20 on each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed Carriage Bolt by a bracket extension (Figure 5).
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Page 19: Fasten The Door Bracket
INSTALLATION STEP 11 Fasten the Door Bracket Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of Follow instructions which apply to your door type as door bracket. Contact your door manufacturer for illustrated below or on the following page. reinforcement kit. - Page 20 ONE-PIECE DOORS Please read and comply with the warnings and reinforcement instructions on the previous page. They apply to one-piece doors also. • Center the door bracket on the top of the door, in line with the header bracket as shown. Mark either the left and right, or the top and bottom holes.
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Page 21: Connect Door Arm To Trolley
INSTALLATION STEP 12 Inner Trolley Connect Door Arm to Trolley Follow instructions which apply to your door type as Outer Trolley illustrated below and on the following page. SECTIONAL DOORS ONLY Clevis Pin 5/16"x1" Ring Make sure garage door is fully closed. Pull the Fastener emergency release handle to disconnect the outer trolley from the inner trolley. -
Page 22: Connect The Door Arm To The Trolley
ALL ONE-PIECE DOORS Door Bracket Ring 1. Assemble the door arm, Figure 4: Fastener Nuts • Fasten the straight and curved door arm sections Lock 5/16"-18 Washers together to the longest possible length (with a 2 5/16" or 3 hole overlap). Clevis Pin Straight 5/16"x1-1/4"... -
Page 23: Adjust The Travel Limits
ADJUSTMENT STEP 1 Adjust the UP and DOWN Travel Without a properly installed safety reversal system, Limits persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage Limit adjustment settings regulate the points at which door. the door will stop when moving up or down. -
Page 24: Adjustment
ADJUSTMENT STEP 2 Adjust the Force Without a properly installed safety reversal system, persons (particularly small children) could be Force adjustment controls are located on the back SERIOUSLY INJURED or KILLED by a closing garage panel of the motor unit. Force adjustment settings door. -
Page 25: Test The Safety Reversal System
ADJUSTMENT STEP 3 Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage TEST door. • With the door fully open, place a 1-1/2" (3.8 cm) •... -
Page 26: Operation
WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL WARNINGS AND 8. NEVER use handle to pull garage door open or closed. INSTRUCTIONS. If rope knot becomes untied, you could fall. 2. -
Page 27: Using The Wall-Mounted Door Control
B) To operate one door using all three buttons on the Using the Wall-Mounted hand-held remote: Door Control You may program the remote to open the door with the large THE MULTI-FUNCTION DOOR CONTROL button, close it with the middle Open Press the push button to open or Close... -
Page 28: Care Of Your Garage Door Opener
THE REMOTE CONTROL BATTERY CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: Weather conditions may FORCE CONTROLS To prevent possible SERIOUS INJURY or DEATH: cause some minor changes • NEVER allow small children near batteries. in door operation requiring • If battery is swallowed, immediately notify doctor. some re-adjustments, To reduce risk of fire, explosion or chemical burn: particularly during the first... -
Page 29: Having A Problem
HAVING A PROBLEM? 1. My door will not close and the light bulbs blink on my motor unit: The safety reversing sensor Bell Wire must be connected and aligned correctly before the garage door opener will move in the down direction. -
Page 30: Diagnostic Chart
Bell Wire Diagnostics Installed Located On Safety Reversing Motor Unit Sensor LED or Your garage door opener is programmed with Diagnostic self-diagnostic capabilities. The “Learn” button/diagnostic "Learn" LED will flash a number of times then pause signifying it Safety Reversing Sensor Button has found a potential issue. -
Page 31: Programming
PROGRAMMING NOTICE: If this Security ✚ ® garage door opener is operated with a non-rolling code transmitter, the technical measure in the receiver of the garage door opener, which provides security against code-theft devices, will be circumvented. The owner of the copyright in the garage door opener does not authorize the purchaser or supplier of the non-rolling code transmitter to circumvent that technical measure. -
Page 32: To Add, Reprogram Or Change A Keyless Entry Pin
To Add, Reprogram or Change a Keyless Entry PIN NOTE: Your new Keyless Entry must be programmed to operate your garage door opener. USING THE “LEARN” BUTTON USING THE MULTI-FUNCTION DOOR CONTROL 1. Press and release the “learn” NOTE: This method requires two people if the Keyless button on motor unit. -
Page 33: Repair Parts
REPAIR PARTS Rail Assembly Parts PART DESCRIPTION 4A1008 Master link kit 41B5424 Belt pulley bracket 41B3869-1 Complete trolley assembly 109B33 Trolley clip 2777BD One-piece T-rail 2778BD Complete rail 8' (2.4m) 2770BD Complete rail 10' (3m) 41A5434-11 Full belt assembly 41B4103 Tensioner assembly Installation Parts 83A11-2... -
Page 34: Motor Unit Assembly Parts
Motor Unit Assembly Parts (Down) LIMIT SWITCH ASSY. Brown Contact Wire Grey Wire Drive Gear Center Limit (Up) Yellow Contact Contact Wire KEY PART KEY PART NO. NO. DESCRIPTION DESCRIPTION 41C4842 Universal replacement motor & 41A4371 Belt cap retainer bracket assembly, 41A4885-5 Gear and sprocket assy., Complete with: Motor, worm, Complete with: Spring washer;... -
Page 35: Accessories
Enhanced functions include Lock remote or from anywhere in their home Feature to lock out outside radio with an additional LiftMaster Security✚ ® signals while you are away from remote. home and turn opener lights on or off from the door control. -
Page 36: Repair Parts And Service
1-800-528-2817 Service number for a list of dealers in your area. LIFTMASTER ONE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY The Chamberlain Group, Inc. (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is originally installed, that it is free from defect in materials and/or workmanship for a period of one year from the date of purchase [and that the motor and belt] are free from defect in materials and/or workmanship for a period of the lifetime of the product].