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®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
®
GARAGE DOOR OPENER
Model WD822KD 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 number label i
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TABLE OF CONTENTS Introduction 2-7 Adjustment 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 WARNING WARNING Before you begin: To prevent possible SERIOUS INJURY or DEATH: • Disable locks. • ALWAYS call a trained door systems technician if CAUTION WARNING • Remove any ropes connected to garage door. garage door binds, sticks, or is out of balance. An unbalanced garage door may not reverse when • Complete the following test to make sure your required. garage door is balanced and is not sticking or binding: • NEVER try to loosen, move or adjust garage door, d
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— — — — — — — — Planning Identify the type and height of your garage door. • Do you have an access door in addition to the Survey your garage area to see if any of the garage door? If not, Model 7702CB Emergency conditions below apply to your installation. Additional Key Release is required. See Accessories page. materials may be required. You may find it helpful to • Look at the garage door where it meets the floor. refer back to this page and the accompanying Any gap between the
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Planning (Continued) WARNING WARNING ONE-PIECE DOOR INSTALLATIONS Without a properly working safety reversal system, persons (particularly small children) could be • Generally, a one-piece door does not require CAUTION WARNING SERIOUSLY INJURED or KILLED by a closing garage reinforcement. If your door is lightweight, refer to door. the information relating to sectional doors in • The gap between the bottom of the garage door and Installation Step 11. the floor MUST NOT exceed 1/4" (6 mm). Otherw
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Carton Inventory Your garage door opener is packaged in one carton packing material. Parts may be stuck in the foam. which contains the motor unit and all parts illustrated Hardware for assembly and installation is shown on below. Accessories will depend on the model the next page. Save the carton and packing material purchased. If anything is missing, carefully check the until installation and adjustment is complete. ® SECURITY✚ ® (2) 3-Button Remote Control SECURITY✚ Idler Pulley Keyless E
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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 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 Insulated 5/16"-9x1-5/8" (2) 5/16"-18x7/8" (4) Lock Washer 5/16" (7) Sta
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WARNING WARNING ASSEMBLY STEP 1 CAUTION WARNING Assemble the Rail & Install the To prevent INJURY from pinching, keep hands and Trolley 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 (see illustration). The hole above this window is the cover, and rest the back end of the rail on top.
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WARNING WARNING ASSEMBLY STEP 2 CAUTION WARNING 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 • Insert a 1/4"-20x1-3/4 bolt into the cover protection opener. bolt hole on the back end of the rail as shown. Tighten securely with a 1/4"-20 lock nut. Do NOT overtighten. Motor Unit Bolts • Remove the two bolts from the top of the motor Sprocket unit. • Place the “U” bracket, flat side down, on the motor "U" B
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ASSEMBLY STEP 4 WARNING WARNING Install the Belt and Attach the Belt To avoid possible SERIOUS INJURY to fingers from Cap Retainer moving garage door opener: CAUTION WARNING • ALWAYS keep hand clear of sprocket while operating 1. Pull the belt around the idler pulley and toward opener. the trolley. The ribbed side must contact the • Securely attach sprocket cover BEFORE operating. pulley. 2. Hook the trolley connector into the retaining slot on the trolley as shown. 3. With the trolley against t
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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. Nut Ring Slot Rotate the nut about 1/4 turn until the spring Square End releases and snaps the nut ring against the trolley. This sets the spring to optimum belt tension. You have now finished assembling your garage Trolley door opener. Please read the following warnings Square before proceeding to the installation s
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INSTALLATION STEP 1 Unfinished OPTIONAL Ceiling Determine the Header Bracket CEILING MOUNT Location FOR HEADER BRACKET WARNING WARNING Header W al l 2x4 V ertical Centerlin e To prevent possible SERIOUS INJURY or DEATH: of Garage Door • Header bracket MUST be RIGIDLY fastened to 2x4 CAUTION WARNING Structural structural support on header wall or ceiling, otherwise Supports garage door might not reverse when required. DO NOT install header bracket over drywall. • Concrete anchors
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Wall Mount INSTALLATION STEP 2 Install the Header Bracket You can attach the header bracket either to the wall UP 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). Optional Mounting Holes WALL HEADER BRACKET INSTALLATION • Center the bracket on the vertical centerline with Vertical the bottom edge of the bracket o
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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 a temp
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WARNING WARNING INSTALLATION STEP 4 CAUTION WARNING Position the Opener To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. Follow instructions which apply to your door type as 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
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INSTALLATION STEP 5 WARNING WARNING 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 CAUTION WARNING supports of the garage. Concrete anchors MUST be used may be different. Hanging brackets should be angled if installing any brackets into masonry. (Figure 1) to provide rigid support. On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to structural suppo
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LIGHT LIGHT LIGHT WARNING WARNING INSTALLATION STEP 6 CAUTION WARNING Install the Door Control To prevent possible SERIOUS INJURY or DEATH from electrocution: Locate door control within sight of door at a minimum • Be sure power is not connected BEFORE installing door height of 5 feet (1.5 m) where small children cannot control. reach, and away from moving parts of door and door • Connect ONLY to 24 VOLT low voltage wires. hardware. The installation surface must be smooth To prevent possible S
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NOTICE WARNING WARNING INSTALLATION STEP 7 CAUTION WARNING Install the Lights To prevent possible OVERHEATING of the endpanel or light socket: • Press the release tabs on both sides of lens. • DO NOT use short neck or specialty light bulbs. Gently rotate lens back and downward until the • DO NOT use halogen bulbs. Use ONLY incandescent. lens hinge is in the fully open position. Do not To prevent damage to the opener: remove the lens. • DO NOT use bulbs larger than 100W. • Install a 100 watt max
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INSTALLATION STEP 9 WARNING WARNING Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: To avoid installation difficulties, do not run the CAUTION WARNING • Be sure power is not connected to the opener, and opener at this time. 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 • Garage door installation and wiri
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INSTALLATION STEP 10 WARNING WARNING ® 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 CAUTION WARNING To prevent SERIOUS INJURY or DEATH from a closing and aligned correctly before the garage door garage door: opener will move in the down direction. • Correctly connect and align the safety reversing sensor. This required safety device MUST NOT be IMPORTANT INFORMAT
