Chamberlain security+ 3500D Owner's Manual
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GARAGE DOOR OPENER
Model 3500D
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
and properly aligned.
Periodic checks of the opener are required to ensure safe operation.
The model number label is located on the front of your opener.
®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
®
is connected

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Summary of Contents for Chamberlain security+ 3500D

  • Page 1 The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com ® GARAGE DOOR OPENER Model 3500D 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.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction Adjustment 24-26 Safety symbol review and signal word review ....2 Program the travel limits ...........24 Preparing your garage door ........3 Setting the force ............25 Tools ................3 Test the safety reversal system.........26 Planning ..............4 Test The Protector System ®...
  • Page 3: Preparing Your Garage Door

    Preparing your garage door WARNING Before you begin: To prevent possible SERIOUS INJURY OR DEATH: • Disable locks. • ALWAYS call a trained door systems technician if CAUTION • Remove any ropes connected to garage door. garage door binds, sticks, or is out of balance. An •...
  • 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 as you proceed with the installation of your opener.
  • Page 5: Carton Inventory

    Carton Inventory Your garage door opener is packaged in two cartons model purchased. If anything is missing, carefully which contain the motor unit and the parts illustrated check the packing material. Parts may be stuck in the below. Note that accessories will depend on the foam.
  • Page 6: Assembly

    WARNING CAUTION ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of To avoid installation difficulties, do not run the the opener. garage door opener until instructed to do so. •...
  • Page 7: Attach The Belt Cap Retainer

    WARNING ASSEMBLY STEP 3 Attach the Belt Cap Retainer To avoid possible SERIOUS INJURY to fingers from moving garage door opener: CAUTION • Position the belt cap retainer over the opener • 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

    INSTALLATION STEP 1 Unfinished OPTIONAL Determine the Header Bracket Ceiling CEILING Location MOUNT HEADER WARNING WARNING BRACKET Header Wall To prevent possible SERIOUS INJURY or DEATH: Vertical Centerline • Header bracket MUST be RIGIDLY fastened to of Garage Door CAUTION WARNING structural support on header wall or ceiling, otherwise Structural...
  • Page 9 ONE-PIECE DOOR WITHOUT TRACK Unfinished 1. Close the door and mark the inside vertical Ceiling centerline of your garage door. Extend the line Structural onto the header wall above door, as shown. Supports Header Wall If headroom clearance is minimal, you can install the header bracket on the ceiling.
  • Page 10: Install The Header Bracket

    INSTALLATION STEP 2 Install the Header Bracket You can attach the header bracket either to the wall Wall Mounting Holes above the garage door, or to the ceiling. Follow the CEILING MOUNT ONLY instructions which will work best for your particular The nail hole is for positioning only.
  • Page 11: 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 bracket. Use packing material as a protective base. NOTE: If the door spring is in the way you’ll need help. Have someone hold the opener securely on a temporary support to allow the rail to clear the spring.
  • Page 12: Position The Opener

    WARNING CAUTION 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 door-to-rail distance.
  • Page 13: Hang The Opener

    WARNING INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to structural CAUTION Three representative installations are shown. Yours supports of the garage. Concrete anchors MUST be used may be different. Hanging brackets should be if installing any brackets into masonry.
  • Page 14: Install The Door Control

    WARNING WARNING CAUTION WARNING INSTALLATION STEP 6 Install the Door Control To prevent possible SERIOUS INJURY or DEATH from electrocution: Locate door control within sight of the door at a • Be sure power is not connected BEFORE installing door minimum height of 5 feet where small children cannot control.
  • Page 15: Install The Lights And Lens

    WARNING CAUTION INSTALLATION STEP 7 Install the Lights and Lens To prevent possible OVERHEATING of the endpanel or light socket, Press the release tabs on both sides of lens. Gently • DO NOT use short neck or specialty light bulbs. rotate lens back and downward until the lens hinge •...
  • Page 16: Electrical Requirements

    WARNING WARNING INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: CAUTION WARNING 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 17: Install The Protector System

    WARNING 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 CAUTION and aligned correctly before the garage door To prevent SERIOUS INJURY or DEATH from a closing garage door: opener will move in the down direction.
  • Page 18 INSTALLING THE BRACKETS Figure 1 DOOR TRACK MOUNT (RIGHT SIDE) Be sure power to the opener is disconnected. Install and align the brackets so the sensors will face Door each other across the garage door, with the beam no Track higher than 6"...
  • Page 19: Aligning The Safety Sensors

    MOUNTING AND WIRING THE SAFETY SENSORS Figure 5 • Slide a 1/4"-20x1/2" carriage bolt head into the slot Wing Nut 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 by a bracket extension (Figure 5).
  • Page 20: Fasten The Door Bracket

    WARNING CAUTION INSTALLATION STEP 11 Fasten the Door Bracket To prevent damage to garage door, reinforce inside of door with angle iron both vertically and horizontally. Follow instructions which apply to your door type as illustrated below or on the following page. A horizontal reinforcement brace should be long Header Bracket...
  • Page 21 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.
  • Page 22: Connect The Door Arm To The Trolley

    INSTALLATION STEP 12 Inner Trolley Connect Door Arm to Trolley Outer Trolley Follow instructions which apply to your door type as 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 23 ALL ONE-PIECE DOORS 1. Assemble the Door Arm: • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 Door or 3 hole overlap). Bracket Ring Fastener • Make sure the garage door is fully closed. Nuts Lock 5/16"-18...
  • Page 24: Adjustment

    WARNING ADJUSTMENT STEP 1 Program the Travel Limits Without a properly installed safety reversal system, persons (particularly small children) could be CAUTION Travel limits regulate the points at which the SERIOUSLY INJURED or KILLED by a closing garage door will stop when moving up or down. Follow door.
  • Page 25: Setting The Force

    WARNING ADJUSTMENT STEP 2 Setting the Force Without a properly installed safety reversal system, persons (particularly small children) could be CAUTION The force setting button is located on the back SERIOUSLY INJURED or KILLED by a closing garage panel of the motor unit. The force setting door.
  • Page 26: Test The Safety Reversal System

    ADJUSTMENT STEP 3 WARNING Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be CAUTION TEST SERIOUSLY INJURED or KILLED by a closing garage door. • With the door fully open, place a 1-1/2" board (or a •...
  • Page 27: Operation

    WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL WARNINGS AND 9. If one control (force or travel limits) is adjusted, the INSTRUCTIONS. other control may also need adjustment. 2.
  • Page 28: Using The Door Control

    Using the Wall-Mounted Door 2. Press and hold the Light button on the door control. Control 3. While holding the Light button, press and hold the Lock button on the door control. THE MOTION DETECTING DOOR CONTROL 4. After the opener lights flash, release all buttons. Press the push bar to open or close Push B) To operate one door using all three buttons on the...
  • Page 29: Care Of Your Garage Door Opener

    THE REMOTE CONTROL BATTERY CARE OF YOUR OPENER WARNING MAINTENANCE SCHEDULE To prevent possible SERIOUS INJURY or DEATH: Once a Month • NEVER allow small children near batteries. • Manually operate door. If it is unbalanced or CAUTION • If battery is swallowed, immediately notify doctor. binding, call a trained door systems technician.
  • Page 30: Having A Problem

    Having a Problem? (Continued) 6. The garage door opens and closes by itself: 14. The opener motor hums briefly, then won't work: • Be sure that all remote control push buttons are off. • The garage door springs may be broken. See above.
  • 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 MOTION DETECTING CONTROL PANEL NOTE: This method requires two people if the Keyless Entry is already mounted outside the garage.
  • Page 33: Repair Parts

    REPAIR PARTS Rail Assembly Parts KEY PART NO. NO. DESCRIPTION 4A1008 Master link kit 41A5424 Belt pulley bracket 41B3869-1 Complete trolley assembly 109B33 Trolley clip 183B99 One-piece T-rail 41A5434-11 Full belt assembly 41B4103 Tensioner assembly 83A11-2 Rail grease Installation Parts PART DESCRIPTION 98LM...
  • Page 34: Motor Unit Assembly Parts

    Motor Unit Assembly Parts PART PART DESCRIPTION DESCRIPTION 41DB001 Receiver logic board assembly 41C76 Belt cap and sprocket with end panel 41B4245-1 Line cord 41D182-1 End panel only 41B4375-3 Terminal block w/screws 41B5351-7 Power supply 41C5317-1 Wire harness (logic) 41C168 Transformer and harness 41C5839 High voltage wire harness...
  • Page 35: Accessories

    Provides backup power to the model Enhanced functions include Lock 3500D garage door opener. Feature to lock out outside radio signals while you are away from home and turn opener lights on or off from the control panel.
  • Page 36: Repair Parts And Service

    1-800-528-2817 Service number for a list of dealers in your area. LIFTMASTER GARAGE DOOR OPENER FIVE-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 five years from the date of purchase [and that the motor and belt are free from defect in materials and/or workmanship for a period of lifetime from the date of purchase].

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