Chamberlain CG40DM 1/2 HP Owner's Manual
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Chamberlain CG40DM 1/2 HP Owner's Manual

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GARAGE DOOR OPENER
Model CG40DM 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.
The Chamberlain Group, Inc.
Elmhurst, Illinois 60126-1196
®
is connected and properly aligned.
845 Larch Avenue
www.chamberlain.com

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  • Page 1 The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.chamberlain.com GARAGE DOOR OPENER Model CG40DM 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.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction Adjustment 27-29 Safety symbol and signal word review ....2 Adjust the travel limits ......27 Preparing your garage door .

  • Page 3: Preparing Your Garage Door

    Preparing your garage door Before you begin: • Disable locks. To prevent possible SERIOUS INJURY or DEATH: • 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 Identify the type and height of your garage door. Survey • Look at the garage door where it meets the fl oor. Any your garage area to see if any of the conditions below gap between the fl oor and the bottom of the door must apply to your installation.
  • Page 5 Planning (Continued) ONE-PIECE DOOR INSTALLATIONS Without a properly working safety reversal system, • Generally, a one-piece door does not require persons (particularly small children) could be reinforcement. If your door is lightweight, refer to the SERIOUSLY INJURED or KILLED by a closing garage information relating to sectional doors in Installation door.

  • Page 6: Carton Inventory

    Carton Inventory Your garage door opener is packaged in one carton which Hardware for assembly and installation is shown on the contains the motor unit and all parts illustrated below. next page. Save the carton and packing material until installation and adjustment is complete. Accessories will depend on the model purchased.

  • Page 7: Hardware Inventory

    Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. ASSEMBLY HARDWARE Lock Washer 3/8" Lock Nut 1/4"-20 Nut 3/8" Bolt 1/4"-20x1-3/4" Master Idler Bolt Link (2) Trolley Threaded Shaft INSTALLATION HARDWARE Wing Nut Ring Nut 5/16"-18 (6) Handle...

  • Page 8: Assemble The Rail And Install The Trolley

    ASSEMBLY STEP 1 Assemble the Rail & Install the Trolley To prevent INJURY from pinching, keep hands and fi ngers away from the joints while assembling the rail. To avoid installation diffi culties, do not run the garage door opener until instructed to do so. The front rail has a cut out “window”...

  • Page 9: The Idler Pulley

    ASSEMBLY STEP 2 Fasten the Rail to the Motor Unit To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of 1. Insert a 1/4"-20x1-3/4" bolt into the cover protection the opener. bolt hole on the back end of the rail as shown. Tighten securely with a 1/4"-20 lock nut.

  • Page 10: Install The Chain/Cable

    ASSEMBLY STEP 4 Install the Chain/Cable To avoid possible SERIOUS INJURY to fi ngers from 1. Pull the cable around the idler pulley and toward the moving garage door opener: trolley. • ALWAYS keep hand clear of sprocket while operating opener. 2.

  • Page 11: Tighten The Chain

    Figure 1 ASSEMBLY STEP 5 Outer Trolley Lock Threaded Washer Tighten the Chain To Tighten Outer Nut Shaft 1. Spin the inner nut and lock washer down the trolley Inner Nut threaded shaft, away from the trolley. 2. To tighten the chain, turn outer nut in the direction To Tighten Inner Nut shown (Figure 1).

  • Page 12: Determine The Header Bracket Location

    Unfi nished INSTALLATION STEP 1 OPTIONAL Ceiling CEILING Determine the Header Bracket Location MOUNT FOR HEADER Header BRACKET Wall Vertical Centerline To prevent possible SERIOUS INJURY or DEATH: of Garage Door • Header bracket MUST be RIGIDLY fastened to Structural Supports structural support on header wall or ceiling, otherwise garage door might NOT reverse when...

  • Page 13: Install The Header Bracket

    Wall Mount INSTALLATION STEP 2 Install the Header Bracket 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 14: Attach The Rail To The Header Bracket

    Header Wall INSTALLATION STEP 3 Header Bracket Ring Idler Pulley Attach the Rail to the Header Bracket Fastener 1. Position the opener on the garage fl oor below the Header header bracket. Use packing material as a protective Bracket base. NOTE: If the door spring is in the way you’ll need help.

  • Page 15: 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 16: 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 all moving parts of door and door door control.

  • Page 17: Install The Light And Lens

    INSTALLATION STEP 7 Install the Light and Lens To prevent possible OVERHEATING of the endpanel or light socket: INSTALL THE LIGHT • DO NOT use short neck or specialty light bulbs. 1. Install an A19 standard neck, 75 watt maximum light •...

  • Page 18: Electrical Requirements

    INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from electrocution or fi re: To avoid installation diffi culties, do not run the opener • Be sure power is NOT connected to the opener, at this time. and disconnect power to circuit BEFORE removing To reduce the risk of electric shock, your garage door cover to establish permanent wiring connection.

  • Page 19: 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 and To prevent SERIOUS INJURY or DEATH from a aligned correctly before the garage door opener will closing garage door: move in the down direction.
  • Page 20 Figure 1 INSTALLING THE BRACKETS 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 Track across the garage door, with the beam no higher than 6" (15 cm) above the fl...
  • Page 21 MOUNTING AND WIRING THE SAFETY Figure 5 REVERSING SENSORS Wing Nut Mounting: 1/4"-20 1. 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 22 Connect to garage door opener 1. Strip 1/4" (6 mm) of insulation from each set of wires. Separate white and white/black wires suffi ciently to connect to the opener terminal screws: white to 2 and white/black to 3 (Figure 10). Figure 10 Connect Wire to Screw Terminals...

  • Page 23: 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 installation of door bracket. Contact your door as illustrated below or on the following page. manufacturer for reinforcement kit.
  • Page 24 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 HARDWARE SHOWN with the header bracket as shown. Mark either the left ACTUAL SIZE and right, or the top and bottom holes.
  • Page 25 Pulley INSTALLATION STEP 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as Outer Trolley illustrated below and on the following page. Inner SECTIONAL DOORS ONLY Ring Clevis Pin Trolley Fastener 5/16”x1” Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the Emergency inner trolley.

  • Page 26: Connect The Door Arm To The Trolley

    Figure 5 ALL ONE-PIECE DOORS CORRECT INCORRECT 1. Assemble the door arm, Figure 5: IMPORTANT: The groove on the straight door arm MUST Straight Straight face away from the curved door arm. Door Door Curved • Fasten the straight and curved door arm sections Curved Door together to the longest possible length (with a 2 or 3...

  • Page 27: 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 SERIOUSLY INJURED or KILLED by a closing garage door will stop when moving up or down.

  • Page 28: Adjust The Force

    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 panel SERIOUSLY INJURED or KILLED by a closing garage of the motor unit. Force adjustment settings regulate the door.

  • Page 29: 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 TEST SERIOUSLY INJURED or KILLED by a closing garage 1. With the door fully open, place a 1-1/2" (3.8 cm) board door.

  • Page 30: 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 31: Using The Wall-Mounted Door Control

    Using the Wall-Mounted Door Control To Open the Door Manually Press the push button to open or close the door. Press again to reverse the door during the closing cycle or to stop the door while To prevent possible SERIOUS INJURY or DEATH from it's opening.

  • Page 32: Care Of Your Garage Door Opener

    THE REMOTE CONTROL BATTERY CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: Weather conditions may cause To prevent possible SERIOUS INJURY or DEATH: some minor changes in door • NEVER allow small children near batteries. INCREASE TRAVEL operation requiring some re- DOWN •...

  • Page 33: Having A Problem

    HAVING A PROBLEM? 1. My door will not close and the light bulbs blink on Bell Wire my motor unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. •...

  • Page 34: Diagnostic Chart

    Bell Wire Installed Safety Reversing Diagnostics Sensor Located On Motor Unit Your garage door opener is programmed with “Learn” self-diagnostic capabilities. The “Learn” button/diagnostic Button LED or LED will fl ash a number of times then pause signifying Diagnostic it has found a potential issue. Consult Diagnostic Chart Safety Reversing Sensor below.

  • Page 35: 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 36: 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 To change an existing, known PIN If the existing PIN is known, it may be changed by one person without using a ladder.

  • Page 37: Repair Parts

    REPAIR PARTS Rail Assembly Parts KEY PART DESCRIPTION 4A1008 Master link kit 41C5141-1 Complete trolley assembly 41A5665 Complete rail 144C56 Idler pulley 41A5807 Chain and cable 12D598-1 “U” bracket Installation Parts NOT SHOWN 183A163 Wear pads KEY PART DESCRIPTION 41A4166 Door control button 950D Single-Button remote control...

  • Page 38: Motor Unit Assembly Parts

    Motor Unit Assembly Parts LIMIT SWITCH ASSEMBLY (Down) Contact Brown Wire Grey Wire Drive Gear Center Limit Yellow (Up) Contact Wire Contact KEY PART KEY PART DESCRIPTION NO. NO. DESCRIPTION 41A5615 Chain Spreader 41R0370-15 Cover 41C4220A Gear and sprocket assembly. 41A2818 Limit switch drive and Complete with: Spring washer,...

  • Page 39: Accessories

    Enables homeowner to turn on a Monitors the status of your garage lamp, television or other appliance door from inside your home. from their car with their garage door opener remote or from anywhere in their home with an additional Chamberlain Security✚ ® remote.

  • Page 40: 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].

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