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®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
®
GARAGE DOOR OPENER
Models 459950 � 547445 � HD900CD
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 is connected and properly aligned.
■ Periodic checks of the opener are required to ensure safe operation.
■ The model nu
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TABLE OF CONTENTS Introduction 2-7Adjustment 28-30 Safety symbol and signal word review . . . . . . . . . . . . . . . 2 Program the travel limits. . . . . . . . . . . . . . . . . . . . . . . . . 28 Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . . 3 Set the force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Tools needed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Test the safety reversal system. . . . . . . . . . . .
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Preparing Your Garage Door Before you begin: • Disable locks. To prevent possible SERIOUS INJURY or DEATH: • Remove any ropes connected to garage door. • ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance. An • Complete the following test to make sure your garage unbalanced garage door may NOT reverse when door is balanced and is not sticking or binding: required. 1. Lift the door about halfway as shown. Release the • NEVER try to loosen,
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— — — — — — — — Planning Identify the type and height of your garage door. Survey • Do you have an access door in addition to the garage your garage area to see if any of the conditions below door? If not, Model 7702C Emergency Key Release is apply to your installation. Additional materials may be required. See Accessories page. required. You may fi nd it helpful to refer back to this page • Look at the garage door where it meets the fl oor. Any and the accompanying illustr
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Planning (Continued) ONE-PIECE DOOR INSTALLATIONS • Generally, a one-piece door does not require Without a properly working safety reversal system, reinforcement. If your door is lightweight, refer to the persons (particularly small children) could be information relating to sectional doors in Installation SERIOUSLY INJURED or KILLED by a closing garage Step 12. door. • The gap between the bottom of the garage door and • Depending on your door’s construction, you may need the fl oor MU
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Carton Inventory Your garage door opener is packaged in one carton which Parts may be stuck in the foam. Hardware for assembly contains the motor unit and all parts illustrated below. and installation is shown on the next page. Save the carton Accessories will depend on the model purchased. If and packing material until installation and adjustment is anything is missing, carefully check the packing material. complete. Belt Cap Retainer Motor Unit with 2 Light Lenses Belt Battery Safety Labels
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Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. ASSEMBLY HARDWARE Spring/Trolley Nut (1) Lock Nut Nut Lock Washer 1/4"-20 (2) 3/8" (1) 3/8" (1) Bolt 1/4"-20x1-3/4" (2) Master Link (1) Trolley Threaded Shaft (1) Idler Bolt (1) INSTALLATION HARDWARE Carriage Bolt Wing Nut Ring Nut 5/16"-18 (8) 1/4"-20x1/2" (2) 1/4"-20 (2) Fastener (3) Lag Screw Hex Bolt Insulated Lock Washer 5/16" (7) 5/16"-9x1-5/8" (2) 5/16"-18x7/8" (4) Staples (30)
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ASSEMBLY STEP 1 Assemble the Rail & Install the Trolley To prevent INJURY from pinching, keep hands and To avoid installation diffi culties, do not run the garage fi ngers away from the joints while assembling the rail. door opener until instructed to do so. The front rail has a cut out “window” at the door end (see illustration). The hole above this window is larger on 3. Place the motor unit on packing material to protect the top of the rail than on the bottom. A smaller hole 3-1/2" (8.9 c
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ASSEMBLY STEP 2 Fasten the Rail to the Motor Unit To avoid SERIOUS damage to garage door opener, use • Insert a 1/4"-20x1-3/4" bolt into the cover protection ONLY those bolts/fasteners mounted in the top of the bolt hole on the back end of the rail as shown. Tighten opener. securely with a 1/4"-20 lock nut. DO NOT overtighten. • Remove the two bolts from the top of the motor unit. Bolts • Place the “U” bracket, fl at side down, on the motor unit Motor Unit and align the bracket holes wit
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ASSEMBLY STEP 4 Install the Belt and Attach the Belt Cap To avoid possible SERIOUS INJURY to fi ngers from Retainer moving garage door opener: 1. Pull the belt around the idler pulley and toward the • ALWAYS keep hand clear of belt pulley while trolley. The ribbed side must contact the pulley. operating opener. 2. Hook the trolley connector into the retaining slot on the • Securely attach belt pulley cover BEFORE operating. trolley as shown. 3. With the trolley against the screwdriver, d
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ASSEMBLY STEP 5 Set the Tension • Insert a screwdriver tip into one of the nut ring slots and brace it fi rmly against the trolley. • Place a 7/16" open end wrench on the square end. Square Rotate the nut about 1/4 turn until the spring releases End Nut and snaps the nut ring against the trolley. Ring Slot This sets the spring to optimum belt tension. You have now fi nished assembling your garage door opener. Please read the following warnings before proceeding to the installation sectio
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INSTALLATION STEP 1 OPTIONAL Unfi nished Ceiling CEILING Determine the Header Bracket Location MOUNT FOR HEADER BRACKET Header Wall 2x4 To prevent possible SERIOUS INJURY or DEATH: Vertical Centerline of Garage Door • Header bracket MUST be RIGIDLY fastened to 2x4 Structural structural support on header wall or ceiling, Supports otherwise garage door might NOT reverse when required. DO NOT install header bracket over drywall. • Concrete anchors MUST be used if mounting header bracket or 2x4
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INSTALLATION STEP 2 Wall Mount 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). WALL HEADER BRACKET INSTALLATION Optional • Center the bracket on the vertical centerline with the Mounting Holes bottom edge of the bracket on the
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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 will need help. Have someone hold the opener securely on a Header Wall temporary support to allow the rail to clear the spring. Header Bracket • Position the rail bracket against the header bracket. • Align the bracket holes and join with a clevis pin Idler Pulley as shown. • In
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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 at is convenient for setting an ideal door-to-rail distance. • Remove foam packaging. Rail • Raise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough. • Open the door all the way and pl
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INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling Three representative installations are shown. Yours may garage door opener, fasten it SECURELY to structural be different. Hanging brackets should be angled supports of the garage. Concrete anchors MUST be (Figure 1) to provide rigid support. On fi nished ceilings used if installing ANY brackets into masonry. (Figures 2 and 3), attach a sturdy metal bracket to structural supports before installing the opene
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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 reach, • Disconnect ALL electric and battery power BEFORE away from moving parts of door and door hardware. performing ANY service or maintenance. If installing into drywall, drill 5/32" holes and use the • Connect ONLY to 24 VOLT low voltage wires. anchors provided. For pre
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INSTALLATION STEP 7 Install the Battery ALWAYS wear protective gloves and eye protection • Make sure motor unit is unplugged. when changing the battery or working around the • Using a Phillips head screwdriver, remove the battery battery compartment. cover on the motor unit. • Partially insert battery into motor unit with terminals facing out. • Connect the red (+) and black (-) wires from motor unit Channel to corresponding terminals on battery. • Verify the battery wires are seated in t
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INSTALLATION STEP 9 Attach the Emergency Release Rope To prevent possible SERIOUS INJURY or DEATH from a and Handle falling garage door: • Thread one end of the rope through the hole in the top • If possible, use emergency release handle to of the red handle so “NOTICE” reads right side up as disengage trolley ONLY when garage door is shown. Secure with an overhand knot at least CLOSED. Weak or broken springs or unbalanced door 1" (2.5 cm) from the end of the rope to prevent could resu
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INSTALLATION STEP 11 ® 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 closing move in the down direction. garage door: • Correctly connect and align the safety reversing IMPORTANT INFORMATION ABOUT THE SAFETY sensor. This required safety device MUST NOT REVERSI
