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®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
®
GARAGE DOOR OPENER
Model HD900D
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 number label is l
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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 th
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1 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 following test to make sure your garage door is • NEVER try to loosen, move or adjust garage door, door balanced and is not sticking or binding: springs, cables,
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— — — — — — — — Planning • Do you have an access door in addition to the garage door? If Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your not, Model 7702CB Emergency Key Release is required. See Accessories page. installation. Additional materials may be required. You may find it helpful to refer back to this page and the accompanying • Look at the garage door where it meets the floor. Any gap ill
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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 reinforcement. If KILLED by a closing garage door. your door is lightweight, refer to the information relating to • The gap between the bottom of the garage door and the floor sectional doors in Installation Step 12. MUST NOT exceed 1/4" (6 mm). Otherwise, the safety • Depend
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Carton Inventory Your garage door opener is packaged in one carton which in the foam. Hardware for assembly and installation is shown on contains the motor unit and all parts illustrated below. the next page. Save the carton and packing material until Accessories will depend on the model purchased. If anything is installation and adjustment is complete. missing, carefully check the packing material. Parts may be stuck ® SECURITY✚ 3-Button Remote Control (2) Idler Pulley Battery ® Smart Contol
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Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. ASSEMBLY HARDWARE Lock Nut Lock Washer Nut Spring/Trolley Nut (1) 1/4"-20 (2) 3/8" (1) 3/8" (1) Bolt 1/4"-20x1-3/4" (2) Master Link (2) Idler Bolt (1) Trolley Threaded Shaft (1) INSTALLATION HARDWARE Ring Carriage Bolt Wing Nut Nut 5/16"-18 (8) Handle Fastener (3) 1/4"-20x1/2" (2) 1/4"-20 (2) Lag Screw Hex Bolt Insulated 5/16"-9x1-5/8" (2) 5/16"-18x7/8" (4) Lock Washer 5/16" (7) St
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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 cover, (see illustration). The hole above this window is larger on the and rest the back end of the rail on top. For convenien
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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 the opener. • Insert a 1/4"-20x1-3/4" bolt into the cover protection bolt 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. • Place the “U” bracket, flat side down, on the motor unit and align the bracket holes with the bolt holes.
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ASSEMBLY STEP 4 Install the Belt and Attach the Belt Cap Retainer To avoid possible SERIOUS INJURY to fingers from moving 1. Pull the belt around the idler pulley and toward the trolley. garage door opener: The ribbed side must contact the pulley. • ALWAYS keep hand clear of belt pulley while operating opener. 2. Hook the trolley connector into the retaining slot on the trolley • Securely attach belt pulley cover BEFORE operating. as shown. 3. With the trolley against the screwdriver, dis
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ASSEMBLY STEP 5 Set the Tension • Insert a screwdriver tip into one of the nut ring slots and brace it firmly against the trolley. • Place a 7/16" open end wrench on the square end. Rotate the nut about 1/4 turn until the spring releases and snaps the nut ring against the trolley. This sets the spring to optimum belt tension. Nut Ring Slot Square End You have now finished assembling your garage door opener. Please read the following warnings before proceeding to the installation section.
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INSTALLATION STEP 1 Unfinished Ceiling Determine the Header Bracket Location OPTIONAL CEILING MOUNT FOR HEADER BRACKET Header Wall 2x4 To prevent possible SERIOUS INJURY or DEATH: • Header bracket MUST be RIGIDLY fastened to structural Vertical Centerline of Garage Door support on header wall or ceiling, otherwise garage door 2x4 might not reverse when required. DO NOT install header Structural Supports 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 UP 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 illustrated. rail on 2x4 placed on top section of door. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is convenient for setting an ideal door-to-rail distance. • Remove foam packaging. • Raise the opener onto a stepladder. You will need help at this Rail point if the ladder is not tall enough. • Open the door all the way and pla
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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 be opener, fasten it SECURELY to structural supports of the garage. Concrete anchors MUST be used if installing ANY different. Hanging brackets should be angled (Figure 1) to provide brackets into masonry. rigid support. On finished ceilings (Figures 2 and Figure 3), attach a sturdy metal bracket to structural supports before installing the
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To Replace Insert Top Tabs First 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 height of electrocution: 5 feet (1.5 m) where small children cannot reach, away from • Disconnect ALL electric and battery power BEFORE moving parts of door and door hardware. If installing into drywall, performing ANY service or maintenance. drill 5/32" holes and use the anchors provided. For pre-wired • Conn
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INSTALLATION STEP 7 Install the Battery ALWAYS wear protective gloves and eye protection when • Make sure motor unit is unplugged. changing the battery or working around the battery compartment. • Using a Phillips head screwdriver, remove the battery cover on the motor unit. • Partially insert battery into motor unit with terminals facing out. • Connect red (+) and black (-) wires from motor unit to Channel corresponding terminals on battery. • Verify the battery wires are seated in the
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NOTICE INSTALLATION STEP 9 Attach the Emergency Release Rope and Handle To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • Thread one end of the rope through the hole in the top of the red handle so “NOTICE” reads right side up as shown. Secure • If possible, use emergency release handle to disengage with an overhand knot at least 1" (2.5 cm) from the end of the trolley ONLY when garage door is CLOSED. Weak or broken rope to prevent slipping. springs or unbalanced d
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INSTALLATION STEP 10 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from To avoid installation difficulties, do not run the opener at this electrocution or fire: time. • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. To reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding pin. This plug will • Garage door installation and wiring MUST be in compliance with ALL local electrical
