Chamberlain Security+ 3245M Owner's Manual
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Chamberlain Security+ 3245M Owner's Manual

Chamberlain Security+ 3245M Owner's Manual

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GARAGE DOOR OPENER
Model 3245M 1/3 HP
3255M 1/2 HP
3255-2M 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
Periodic checks of the opener are required to ensure safe operation.
■
■
The model number label is located on the front panel of your opener.
®
®
is connected and properly aligned.
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com

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Summary of Contents for Chamberlain Security+ 3245M

  • Page 1 The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com ® GARAGE DOOR OPENER Model 3245M 1/3 HP 3255M 1/2 HP 3255-2M 1/2 HP For Residential Use Only Owner’s Manual Please read this manual and the enclosed safety materials carefully! ■...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction Adjustment 24-26 Safety symbol and signal word review ....2 Adjust the travel limits ......24 Preparing your garage door .

  • 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 •...

  • Page 4: Planning

    Planning be required. You may fi nd it helpful to refer back to Identify the type and height of your garage door. Survey this page and the accompanying illustrations as you your garage area to see if any of the conditions below proceed with the installation of your opener.

  • Page 5: Carton Inventory

    Carton Inventory Your garage door opener is packaged in two cartons which If anything is missing, carefully check the packing material. contain the motor unit and all parts illustrated below. Parts may be stuck in the foam. Hardware for installation Accessories will depend on the model purchased.

  • Page 6: Assembly

    ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid SERIOUS damage to garage door opener, To avoid installation diffi culties, do not run the garage use ONLY those bolts/fasteners mounted in the top of door opener until instructed to do so. the opener.

  • Page 7: Tighten The Chain

    ASSEMBLY STEP 3 Figure 1 Lock Tighten the Chain Washer Outer Nut Inner Nut • Spin the inner nut and lock washer down the trolley To Tighten Outer Nut threaded shaft, away from the trolley. To Tighten Inner Nut • To tighten the chain, turn outer nut in the direction shown (Figure 1).

  • Page 8: Determine The Header Bracket Location

    INSTALLATION STEP 1 OPTIONAL Unfi nished CEILING Ceiling Determine the Header Bracket Location MOUNT HEADER BRACKET Header Wall Vertical Centerline To prevent possible SERIOUS INJURY or DEATH: of Garage Door • Header bracket MUST be RIGIDLY fastened to Structural structural support on header wall or ceiling, Supports 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 instructions which will work best for your particular requirements. DO NOT install the header bracket over drywall. If installing into masonry, use concrete anchors (not provided).

  • 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 fl oor below the header bracket. Use packing material as a protective base. NOTE: If the door spring is in the 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 Follow instructions which apply to your door type as opener rail on 2x4 placed on top section of door. illustrated. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid fl...

  • 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 may supports of the garage. Concrete anchors MUST be be different. Hanging brackets should be angled used 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 Locate door control within sight of door at a minimum electrocution: height of 5 feet (1.5 m) where small children cannot • Be sure power is NOT connected BEFORE installing reach, and away from moving parts of door and door door control.

  • Page 14: Install The Light

    INSTALLATION STEP 7 Install the Light To prevent possible OVERHEATING of the endpanel or • Press the release tabs on both sides of lens. Gently light socket: rotate lens back and downward until the lens hinge is • DO NOT use short neck or specialty light bulbs. in the fully open position.

  • Page 15: Electrical Requirements

    INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from To avoid installation diffi culties, do not run the opener electrocution or fi re: at this time. • Be sure power is NOT connected to the opener, and To reduce the risk of electric shock, your garage door disconnect power to circuit BEFORE removing cover to 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 The safety reversing sensor must be connected and opener BEFORE installing the safety reversing sensor. aligned correctly before the garage door opener will To prevent SERIOUS INJURY or DEATH from a move in the down direction.
  • Page 17 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 each other Door across the garage door, with the beam no higher than Track 6"...
  • Page 18 Figure 5 MOUNTING AND WIRING THE SAFETY REVERSING SENSORS Wing Nut Mounting: 1/4"-20 • Slide a 1/4"-20x1/2" carriage bolt head into the slot on each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other across the door.
  • Page 19 Connect to garage door opener: • Strip 7/16" (11 mm) of insulation from each set of wires. Separate white and white/black wires suffi ciently to connect to the opener quick-connect terminals. Twist like colored wires together. Insert wires into quick-connect holes: white to white and white/black to grey (Figure 10).

  • Page 20: Fasten The Door Bracket

    INSTALLATION STEP 11 Fasten the Door Bracket Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE Follow instructions which apply to your door type as installation of door bracket. Contact your door illustrated below or on the following page. manufacturer for reinforcement kit.
  • 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. HARDWARE SHOWN • Center the door bracket on the top of the door, in line ACTUAL SIZE with the header bracket as shown. Mark either the left and right, or the top and bottom holes.
  • Page 22 INSTALLATION STEP 12 Figure 1 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 Make sure garage door is fully closed. Pull the emergency Ring 5/16"x1"...

  • Page 23: Connect The Door Arm To The Trolley

    ALL ONE-PIECE DOORS Figure 5 CORRECT INCORRECT 1. Assemble the door arm, Figure 5: IMPORTANT: The groove on the straight door arm MUST Straight face away from the curved door arm (Figure 5). Straight Door Arm • Fasten the straight and curved door arm sections Door Arm Curved Curved...

  • Page 24: Adjustment

    ADJUSTMENT STEP 1 Adjust the UP and DOWN Travel Limits Without a properly installed safety reversal system, Limit adjustment settings regulate the points at which the persons (particularly small children) could be door will stop when moving up or down. SERIOUSLY INJURED or KILLED by a closing garage door.

  • Page 25: Adjust The Force

    ADJUSTMENT STEP 2 Adjust the Force Without a properly installed safety reversal system, Force adjustment controls are located on the back panel persons (particularly small children) could be of the motor unit. Force adjustment settings regulate the SERIOUSLY INJURED or KILLED by a closing garage amount of power required to open and close the door.

  • Page 26: Test The Safety Reversal System

    ADJUSTMENT STEP 3 Test the Safety Reversal System Without a properly installed safety reversal system, TEST persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage • With the door fully open, place a 1-1/2" (3.8 cm) board door.

  • Page 27: Operation

    OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING 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 Your Garage Door Opener

    Care of Your Opener Using the Wall-Mounted Door Control FORCE CONTROLS Push LIMIT AND FORCE ADJUSTMENTS: THE MULTI-FUNCTION DOOR CONTROL Button Press the push button to open or close Weather conditions may cause some Lock minor changes in door operation the door.

  • 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 must be Bell Wire connected and aligned correctly before the garage door opener will move in the down direction. •...

  • Page 30: Diagnostic Chart

    Diagnostics Located on Motor Unit Bell Wire Installed Safety Reversing Sensor LED or Diagnostic LED “Learn” Your garage door opener is programmed with self-diagnostic Safety Reversing capabilities. The “Learn” button/diagnostic LED will fl ash Button Sensor a number of times then pause signifying it 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 DOOR CONTROL NOTE: This method requires two people if the Keyless 1.

  • Page 33: Repair Parts

    REPAIR PARTS Rail Assembly Parts KEY PART DESCRIPTION 4A1008 Master link kit 41A4813 Chain pulley bracket 41A3489 Complete trolley assembly 1707LM One-piece rail 1708LM 8 ft. (2.4 m) complete rail 1710LM 10 ft. (3 m) complete rail 41D3484 Full chain assembly 83A11-2 Rail grease Installation Parts...

  • Page 34: Motor Unit Assembly Parts

    Motor Unit Assembly Parts (Down) LIMIT SWITCH ASSEMBLY Contact Brown Wire Grey Wire Drive Gear (Up) Center Limit Yellow Wire Contact Contact PART PART DESCRIPTION DESCRIPTION 31D380 Sprocket cover 41A5525-24 Cover 41C4220A Gear and sprocket assembly 41A2818 Limit switch drive & retainer Complete with: Spring washer, 41D3452 Limit switch assembly...

  • Page 35: Accessories

    ACCESSORIES 1702LM Outside Quick Release: ® 373P Security✚ 3-Button Remote Control Required for a garage with NO access Includes visor clip. door. Enables homeowner to open garage door manually from outside by disengaging trolley. ® 374LM Security✚ 4-Button Remote Control 41A5281 Extension Brackets: Includes visor clip.

  • Page 36: Repair Parts And Service

    FOUR YEAR MOTOR LIMITED WARRANTY The Chamberlain Group, Inc. (“Seller”) warrants to the fi rst 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 is free from defect in materials and/or workmanship for a period of four years from the date of purchase].

This manual is also suitable for:

Security+ 3255mSecurity+ 3255-2m

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