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®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
®
GARAGE DOOR OPENER
Model HD200DM � 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 is connected and
properly aligned.
■ Periodic checks of the opener are required to ensure safe operation.
■ The model
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TABLE OF CONTENTS Introduction 2-7Adjustment 27-29 Safety symbol and signal word review ....................... 2 Adjust the travel limits .............................................. 27 Preparing your garage door ....................................... 3 Adjust the force ........................................................ 28 Tools needed .............................................................. 3 Test the safety reversal system ................................ 29 ® Planning .......
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1 Preparing your garage door Before you begin: To prevent possible SERIOUS INJURY or DEATH: � Disable locks. • ALWAYS call a trained door systems technician if garage � Remove any ropes connected to garage door. door binds, sticks, or is out of balance. An unbalanced garage door may not reverse when required. � Complete the f ollowing test to make sure your garage • NEVER try to loosen, move or adjust garage door, door door is balanced and is not sticking or binding: springs, cables, pu
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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 7702CB Emergency Key Release is apply to your installation. Additional materials may be required. See Accessories page. required. You may find it helpful to refer back to this page � Look at the garage door where it meets the floor. Any and the accompanying illust
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Planning (Continued) ONE-PIECE DOOR INSTALLATIONS Without a properly working safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or � Generally, a one-piece door does not require KILLED by a closing garage door. reinforcement. If your door is lightweight, refer to the • The gap between the bottom of the garage door and the floor information relating to sectional doors in Installation MUST NOT exceed 1/4" (6 mm). Otherwise, the safety Step 11. reversa
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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 contains the motor unit and all parts illustrated below. assembly and installation is shown on the next page. Save Accessories will depend on the model purchased. If the carton and packing material until installation and anything is missing, carefully check the packing material. adjustment is complete. Idler Pulley ® SECURITY✚ Lighted Door Control Button Single-Button Remote C
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Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. ASSEMBLY HARDWARE Nut Lock Nut Lock Washer 3/8" (1) 1/4"-20 (2) 3/8" (1) Bolt 1/4"-20x1-3/4 (2) Master Link (2) Idler Bolt (1) Trolley Threaded Shaft (1) INSTALLATION HARDWARE Carriage Bolt Wing Nut Ring Nut 5/16"-18 (8) Handle 1/4"-20x1/2" (2) 1/4"-20 (2) Fastener (3) Lag Screw Hex Bolt Lock Washer 5/16" (7) Insulated 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 fingers away from the joints while assembling the rail. To avoid installation difficulties, do not run the garage door opener until instructed to do so. The front rail has a cut out “window” at the door end 3. Place the motor unit on packing material to protect the (see illustration). The hole above this window is larger cover, and rest the back end of the rail on top. For on the top of t
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ASSEMBLY STEP 2 Fasten the Rail to the Motor Unit To avoid SERIOUS damage to garage door opener, use ONLY � Insert a 1/4"-20x1-3/4 bolt into the cover protection bolt those bolts/fasteners mounted in the top of the opener. hole on the back end of the rail as shown. Tighten securely with a 1/4"-20 lock nut. Do NOT overtighten. � Remove the two bolts from the top of the motor unit. Hex Screws 8-32x7/16" � Place the “U” bracket, flat side down onto the motor unit and align the bracket ho
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ASSEMBLY STEP 4 Install the Chain/Cable To avoid possible SERIOUS INJURY to fingers from moving 1. Pull the cable around the idler pulley and toward the garage door opener: trolley. • ALWAYS keep hand clear of sprocket while operating opener. 2. Connect the cable to the retaining slot on the trolley, as • Securely attach chain spreader BEFORE operating. shown (Figure 1): � From below, push pins of master link bar up through cable link and trolley slot. Dispensing Carton � Push master l
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ASSEMBLY STEP 5 Tighten the Chain Figure 1 Trolley � Spin the inner nut and lock washer down the trolley Outer Lock Threaded Nut Washer Shaft threaded shaft, away from the trolley. To Tighten Outer Nut � To tighten the chain, turn outer nut in the direction shown (Figure 1). Inner Nut � When the chain is approximately 1/4" (6 mm) above the base of the rail at its midpoint, re-tighten the inner nut to To Tighten Inner Nut secure the adjustment. Sprocket noise can result if chain is too loo
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INSTALLATION STEP 1 Unfinished Ceiling OPTIONAL Determine the Header Bracket CEILING Location MOUNT FOR HEADER BRACKET Header Wall 2x4 Vertical Centerline To prevent possible SERIOUS INJURY or DEATH: of Garage Door • Header bracket MUST be RIGIDLY fastened to structural 2x4 Structural support on header wall or ceiling, otherwise garage door Supports might not reverse when required. DO NOT install header bracket over drywall. • Concrete anchors MUST be used if mounting header bracket or 2x
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INSTALLATION STEP 2 Wall Mount Install the Header Bracket You can attach the header bracket either to the wall above UP 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 Mounting Holes � Center the bracket on the vertical centerline with the bottom edge of the bracket on t
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INSTALLATION STEP 3 Attach the Rail to the Header Bracket NOTE: (Optional) With some existing installations, you may re-use the old header bracket with the two plastic spacers included in the hardware bag. Place the spacers inside the bracket on each side of the rail, as illustrated. � 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
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INSTALLATION STEP 4 Position the Opener To prevent damage to garage door, rest garage door opener Follow instructions which apply to your door type as rail on 2x4 placed on top section of door. illustrated. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is convenient for setting an ideal door-to-rail distance. Rail � Remove foam packaging. � 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
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INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling garage door Three representative installations are shown. Yours may opener, fasten it SECURELY to structural supports of the garage. Concrete anchors MUST be used if installing any be different. Hanging brackets should be angled (Figure 1) brackets into masonry. to provide rigid support. On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to structural supports before installing the
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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, • Be sure power is not connected BEFORE installing door and away from moving parts of door and door hardware. control. 1. Strip 7/16" of insulation from one end of bell wire and • Connect ONLY to 24 VOLT low voltage wires. connect to the two screw terminals on back o
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NOTICE INSTALLATION STEP 7 Install the Light To prevent possible OVERHEATING of the endpanel or light � Press the release tabs on both sides of lens. Gently socket, • DO NOT use short neck or specialty light bulbs. rotate lens back and downward until the lens hinge is in the fully open position. Do not remove the lens. • DO NOT use halogen bulbs. Use ONLY incandescent. To prevent damage to the opener: � Install up to a 100 watt maximum light bulb in the socket. Light bulb size should be A1
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INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from To avoid installation difficulties, do not run the opener electrocution or fire: at this time. • Be sure power is NOT connected to the opener, and disconnect power to circuit BEFORE removing cover to To reduce the risk of electric shock, your garage door establish permanent wiring connection. opener has a grounding type plug with a third grounding • Garage door installation and wiring MUST be in co
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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 aligned correctly before the garage door opener will To prevent SERIOUS INJURY or DEATH from a closing garage move in the down direction. door: • Correctly connect and align the safety reversing sensor. This IMPORTANT INFORMATION ABOUT THE SAFETY required safety device MUST NOT be disabl
