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The Chamberlain Group, Inc.
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illlinois 60126-1196
www.chamberlaingroup.com
Complies with UL 325
regulations effective
January 1, 1993
®
®
Garage Door Opener
Models 4620 & 4620-2
1/2 HP
For Residential Use Only
Owner’s Manual
n Please read this manual and the enclosed safety materials carefully!
n Fasten the manual near the garage door after installation.
®
n The door WILL NOT CLOSE unless the Protector System is connected
and properly aligned.
n
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Contents Safety alert symbol review............................................2 Complete the safety reversing sensor installation.....22 Safety information, precautions, tools ..........................3 Install the lights and lens ..........................................23 Testing your garage door for binding & balance ..........3 Attach the manual release rope and handle...............23 Carton inventory ...........................................................4 Fasten the door brac
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1 Safety Information, Precautions, Tools WARNING CAUTION CAUTION An unbalanced garage door might not reverse when To avoid damage to the garage door and opener, disable required and someone under the door could be seriously locks before installing and operating the opener. Use a injured or killed. wood screw or nail to hold locks in the "open" (unlocked) position. If your garage door binds, sticks or is out of balance, call for professional garage door service. Garage doors, door Operation at ot
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Carton Inventory Your garage door opener is packaged in one carton which contains the power unit and all parts illustrated below. If anything is missing, carefully check the packing material. Parts may be "stuck" in the foam. KEEP THE FOAM INTACT (see page 10). Hardware for assembly and installation is shown on page 5. Models 4620 (1), 4620-2 (2) Sprocket Coupling SECURITY✚ Single-Function Lighted Door Remote Control Transmitter Control Button Rail Assembly Remote Control Transmitter Visor Clip
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NOTICE Hardware Separate all hardware from the packages in the rail carton and the opener carton and group as shown below, for the assembly and installation procedures. Assembly Hardware Bolt 1/4" - 20 x 5/8" Lock Nut 1/4-20x1-3/4" (8) Hex Screw (4) 1/4"-20 x 7/16 (12) Sprocket Coupling Sleeve Installation Hardware Carriage Bolt Ring Wing Nut (2) Lock Washer 5/16" (6) 1/4"-20x1/2" (2) Fastener (3) Lag Screw Handle 5/16"-9x1-5/8" (2) Hex Screw 5/16"-18x7/8" (4) Nut 5/16"-18 (6) Lag Screw 5/16
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— — — — — — — — SECTIONAL Door Installation Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. You may find it helpful to refer back to this page as you proceed with the installation of your opener. FINISHED CEILING Support bracket & fastening hardware is required. Horizontal and vertical reinforcement See page 20. is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See p
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ONE-PIECE Door Installation Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. You may find it helpful to refer back to this page as you proceed with the installation of your opener. FINISHED CEILING Support bracket & fastening hardware is required. See page 20. Header Wall One-Piece Door without Track Closed Position Rail Bracket Access Door Rail Assembly Header Trolley Bracket Door Bracket Manual Release Rope & Handle Straight Curv
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Assembly Section: Pages 8 - 11 ASSEMBLY STEP 1 To avoid installation difficulties, do not run the garage Assemble the Rail door opener until instructed to do so. Straight Door Arm Extend End Rails Remove Outward Cardboard Packing Rail Center Support Rail Braces Trolley Rack Rail Assembly Chassis Assembly Hardware Bag Hardware Bag Rail Assembly Carton Remove Extend Cardboard Packing End Rails Outward 1. Turn the opened rail carton upside down, emptying its contents onto a level work surface
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ASSEMBLY STEP 1 (Continued) Assemble the Rail The Chamberlain Group, Inc. 4. Beginning with the sprocket end, straighten the two 7. Keeping the rail straight and on a level surface, grasp Screw Drive LM rail sections so that the screw rod is in a straight line at the screw rods on each side of the remaining joint and 3-Piece Rail the joint. (Avoid handling the joints, which may have pivot into a straight line. Repeat steps 5 and 6. sharp edges.) Align Rails & Attach Support Brackets 8. With
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ASSEMBLY STEP 2 Fasten the Rail To the Power Unit and Install the Trolley NOTE: To aid in assembly and installation, replace the foam packing around the power unit. Remove it /7/94 after Installation Step 5. • Working on a level surface, align the rail assembly with Rail/Power Unit Power Unit Bracket Sprocket the power unit, as shown. Lock Nuts 1/4"-20 • Slip the coupling over the rail sprocket. • Slide the rail through the power unit bracket until the coupling fits securely over the power unit
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ASSEMBLY STEP 3 Attach the Rail Brackets 1/4"-20 Rail Lock Nuts • Align rail brackets to end of rail assembly, as shown. Brackets • Insert two 1/4"-20 x 5/8" hex screws and lock nuts. Tighten securely with a 7/16" socket. Hardware Shown Actual Size 1/4" - 20 1/4"-20x5/8 1/4" - 20 x 5/8" Lock Nut Rail Hex Hex Screw Screws You have now finished assembling your garage door opener. Please read the following warnings before proceeding to the installation section: IMPORTANT INSTALLATION INSTRUCTIO
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Installation Section: Pages 12 – 27 Installation Step 1 WARNING Determine Header Bracket Location If the header bracket is not rigidly fastened to a Installation procedures vary according to garage structural support on the header wall or ceiling, the door types. Follow the instructions which apply to safety reverse system may not work properly (see your door. page 30). The door might not reverse when required, and could cause serious injury or death. The garage door springs, cables, pulleys,
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The Chamberlain Group, Inc. Position Header Bracket One Piece Door Without Track 1/30/92 - 4/7/92 ONE-PIECE Door Without Track Read the Safety Instructions on page 12. They also apply to doors without tracks. Unfinished Header Wall • Close the door and mark the inside Ceiling Vertical vertical centerline of your garage door. Centerline 2x4 Extend the line onto the header wall above door. Structural Supports If headroom clearance is minimal, you can install the header bracket on the The Chamberl
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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. Fastening the Header Bracket to the Ceiling Fastening the Header Bracket to the Wall • Center the bracket on the vertical guideline with the • Extend the vertical guideline onto the ceiling as shown. bottom edge of the bracket on the horizontal line as • Center the bracket
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Installation Step 3 Attach the Rail to the Header Bracket The Chamberlain Group, Inc.
Foam/Rail to Header Bracket
New Rail Assy.
• Position the opener on the garage floor below the 12/6/94
header bracket. Use packing material as a protective base. 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. Header Wall • Position the rail bracket against the header bracket. Header Bracket • Align the
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® The Protector System IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR WARNING The safety reversing sensor must be connected and Without a properly working safety reversing sensor, aligned correctly before the garage door opener will persons (particularly children) could be injured or killed move in the down direction. This is a required safety by a closing garage door. Read and follow all device and cannot be disabled. instructions. To protect small children, install the safety reversin
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Installation Step 4 Install the Safety Reversing Sensor (Receiving and Sending Eyes) INSTALLING THE BRACKETS DOOR TRACK MOUNT (Right Side) Figure 1 Be sure power to the opener is disconnected. Install and align the brackets so the sensors will face each other across the garage door, with the beam Door Track from 4 – 6" above the floor. Lip They may be installed in one of three ways, as follows. Indicator light Garage door track installation (preferred): • Slip the curved arms over the rounded
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Installation Step 4 (Continued) Install the Safety Reversing Sensor Mounting and Wiring the Safety Sensors Figure 4 • Slide a 1/4"-20x1/2" carriage bolt head into the slot on each sensor. Use wing nuts to fasten sensors to brackets, Wing nut with lenses pointing toward each other across the door. Be sure the lens is not obstructed by a bracket extension. See Figure 4. 1/4"-20x1/2" • Finger tighten the wing nuts. Carriage bolt Lens Recommended Wire Routing 1. Using insulated staples, run the wire
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Installation Step 5 CAUTION CAUTION Position the Opener Follow instructions which apply to your door type To prevent damage to steel, aluminum, fiberglass or as illustrated. glass panel doors, do not rest the opener on the door without using a 2x4. SECTIONAL Door or ONE-PIECE Door with Track A 2x4 laid flat is convenient for setting an ideal door- to-rail distance. Rail 2x4 • Raise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough. Foam • Open the
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The Chamberlain Group, Inc.
Installation Step 6 WARNING WARNING Screw Drive Liftmaster #114A1794
Hang the Opener Hang Opener Chassis
The opener could fall and injure someone if it is not properly secured. Fasten the opener securel y to 6/18/94
structural supports of the garage. Two representative installations are shown. Yours may be different. Hanging brackets should be angled, Figure 1, to provide rigid support. On finished ceilings, Figure 2, attach a sturdy metal bracket to structu
