CONTENTS Preparation .............................. 1-4 1/2 hp Chain Drive Assembly ................................. 5-9 Garage Door Opener Installation ............................ 10-19 Install the Door Control ............. 20-21 Install the Protector System® ...... 22-25 Power .................................. 26-27 Models Adjustments .......................... 28-30 Operation.................................. 31 • PD612EV Features ................................... 32 ■ Please read this manual and the enclosed safety materials carefully! Door Control .......................... 33-34 • HD420EV ■ Fasten the manual near the garage door after installation. Remote Control ...................... 34-35 ■ The door WILL NOT CLOSE unless the Protector System® is connected and To Erase the Memory ....................35 properly aligned. To Open the Door Manually ............ 36 ■ Periodic checks of the garage door opener are required to ensure safe operation. Maintenance .............................. 37 FOR RESIDENTIAL USE ONLY ■ The model number label is located on the left side panel of your garage Troubleshooting ...................... 38-39 door opener. Accessories ............................... 40 ■ This garage door opener is compatible with MyQ® and Security✚ 2.0™ accessories. Warranty .................................. 41 ■ Only enable the Timer-to-Close* or MyQ® remote operation feature* when the garage Repair Parts .......................... 42-43 door opener is installed on a sectional door. (*Not available on all models) Write down the following information for future reference: Model Number: .. Serial Number: www.chamberlain.com Date of Purchase: The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 Preparation Safety Symbol and Signal Word Review Check the Door Thisgarage door opener hasbeen designed and tested to offer safe service provided itisinstalled, operated,maintained and tested in strictaccordance with the instructionsand warningscontained in this manual. When you see these SafetySymbolsand Signal Wordson the following pages,theywill alertyou to the To prevent possible SERIOUS INJURY or DEATH: possibility of serious injury or death ifyou do notcomplywith the warningsthataccompanythem.The • ALWAYS call a trained door systemstechnician ifgarage door binds,sticks,or isoutofbalance. hazard maycome from something mechanical or from electricshock.Read the warningscarefully. An unbalanced garage door mayNOTreverse when required. • NEVERtryto loosen,move or adjustgarage door,door springs,cables,pulleys,bracketsor their hardware,ALL ofwhich are under EXTREME tension. Mechanical • Disable ALL locksand remove ALL ropesconnected to garage door BEFORE installation and operating garage door opener to avoid entanglement. Electrical To preventdamage to garage door and opener: When you see thisSignal Word on the following pages,itwill alertyou to the possibilityofdamage to • ALWAYS disable locksBEFORE installing and operating the opener. your garage door and/or the garage door opener ifyou do notcomplywith the cautionarystatementsthat • ONLY operate garage dooropenerat120 V,60 Hzto avoid malfunction and damage. accompany it.Read them carefully. 1. Disable locksand remove anyropesconnected to the garage door. 2. Liftthe door halfwayup.Release the door.Ifbalanced,itshould stayin place,supported entirelybyitssprings. 3. Raise and lower the door to checkfor binding or sticking.Ifyour Torsion Extension door binds,sticks,or isoutofbalance,call a trained door systems OR Spring Spring technician. 4. Checkthe sealon the bottomofthe door.Anygap between the floor and the bottomofthe door mustnotexceed 1/4 inch (6 mm). Otherwise,the safetyreversal system maynotworkproperly. 5. The opener should be installed above the center ofthe door.If there isa torsion spring or center bearing plate in the wayofthe header bracket,itmaybe installed within 4 feet(1.2 m) to the leftor rightofthe door center.See page 13. 1 Preparation Additional Items You May Need: Tools Needed Surveyyour garage area to see ifyou will need anyofthe following items: n (2) 2X4 PIECES OFWOOD Maybe used to fasten the header bracketto the structural supports.Also used to position the garage door opener during installation and for testing the safetyreversing sensors. 1 2 n SUPPORT BRACKET AND FASTENING HARDWARE Mustbe used ifyou have a finished ceiling in your garage. n EXTENSION BRACKETS (MODEL 41A5281) OR WOOD BLOCKS Depending upon garage construction,extension bracketsor wood blocksmaybe needed to install the safety reversing sensor. n FASTENING HARDWARE Alternate floor mounting ofthe safetyreversing sensor will require hardware notprovided. n OUTSIDE QUICK RELEASE (MODEL 7702CB) Required for a garage with NO accessdoor. 5/32 3/16 5/16 n DOOR REINFORCEMENT Required ifyou have a lightweightsteel,aluminum,fiberglassor glasspanel door. n RAIL EXTENSION KIT Required ifyour garage door ismore than 7 feet(2.13 m) high. 1/2 5/8 1/4 7/16 9/16 7/16 2 Preparation Carton Inventory Your garage door opener ispackaged in one carton which containsthe motor unitand all parts A illustrated below.Accessoriesvarydepending on the garage door opener model purchased.Depending on your model,other accessoriesmaybe included with your garage door opener.Instructionsfor these B accessorieswill be attached to the accessoryand are notincluded in thismanual.Ifanything ismissing, C F carefullycheckthe packing material.Hardware for assemblyand installation isshown on the nextpage. D Save the carton and packing material until the installation and adjustmentiscomplete.The images M throughoutthismanual are for reference onlyand your productmaylookdifferent. E A. Header bracket G B. Pulley H N C. Door bracket D. Curved door arm E. Straight door arm (Packaged inside front rail section) K F. Trolley L NOTE: Be sure to assemble the trolley before sliding onto rail. G. Emergency release rope and handle H. Rail (1 front and 4 center sections) I I. Hanging brackets (2) (Packaged inside the front rail section) J. Garage door opener (motor unit) K. Chain spreader with screws J L. “U” bracket M. Chain and cable N. Door control O. Remote control O P. The Protector System® Safety reversing sensors with 2 conductor white and white/black wire attached: Sending Sensor (1), P Receiving Sensor (1), and Safety Sensor Brackets (2) NOT SHOWN White and red/white wire Owner's manual 3 Preparation Hardware Inventory ASSEMBLY HARDWARE INSTALLATION HARDWARE Self-Threading Screw Bolt Bolt Lag Screw 5/16"-9x1-5/8" (4) 1/4"-20x1-3/4" 1/4"-14x5/8" (2) Clevis Pin 5/16"x1-1/2" Clevis Pin 5/16"x1-1/4" Clevis Pin 5/16"x1" Threaded Shaft Carriage Bolt Wing Nut 1/4"-20 (2) 1/4"-20x1/2" (2) Hex Bolt 5/16"-18x7/8" (4) Lock Washer 5/16"-18 (5) Master Link Nut Lock Nut 5/16"-18 (6) 1/4"-20 Ring Fastener (3) DOOR CONTROL HARDWARE Screw 6-32x1" (2) Nut 3/8" Lock Washer 3/8" Insulated Staples Screw 6ABx1" (2) (Not Shown) Drywall Anchors (2) 4 Assembly To garage STEP 1 Assemble the rail and trolley door opener (TO MOTOR UNIT) “U” Bracket To preventINJURY frompinching,keep handsand fingersawayfromthe jointswhile assembling the rail. Outer Trolley To avoid installation difficulties, do not run the garage door opener until instructed to do so. The frontrail hasa cutout“window” atthe door end (see illustration).The hole above thiswindowis Inner Trolley larger on the top ofthe rail than on the bottom.A smaller hole 3-1/2"(8.9 cm) awayisclose to the rail edge.Rotate the backrail so ithasa similar hole close to the opposite edge,about4-3/4"(12 cm) from the far end. SLIDE TO STOPS ON TOP AND Wear Pads 1. Remove the straightdoor armand hanging bracketpackaged inside the frontrail and set SIDES OF aside for Installation Step 5 and 9. NOTE: To preventINJURY while unpacking the rail “U” BRACKET carefullyremove the straightdoor armstored within the rail section. 2. Align the rail sectionson a flatsurface asshown and slide the tapered endsinto the larger ones.Tabsalong the side will lockinto place. 3. Place the motor uniton packing material to protectthe cover,and restthe backend ofthe rail Trolley on top.For convenience,puta supportunder the frontend ofthe rail. Rail 4. Asa temporarystop,inserta screwdriver into the hole 10"(25 cm) fromthe frontend ofthe rail, Tab as shown. 5. Checkto be sure there are 4 plasticwear padsinside the inner trolley.Iftheybecame loose Front Rail Idler during shipping,checkall packing material.Snap thembackinto position asshown. Section Pulley (TO DOOR) 6. Slide the trolleyassemblytoward the screwdriver asshown. Hole 7. Slide the railonto the “U” bracket,untilitreachesallthe stopson the top and sidesofthe “U” Window bracket. Cut-Out 5 Assembly STEP 2 Fasten the rail to the motor unit Hex Screws 8-32x7/16 Bolts To avoid SERIOUS damage to garage door opener,use ONLY those bolts/fastenersmounted in the “U” Bracket top ofthe opener. Bolt 1/4"-20x1-3/4" 1. Inserta 1/4"-20x1-3/4"boltinto the cover protection bolthole on the backend ofthe rail as shown.Tighten securelywith a 1/4"-20 locknut.Do NOTovertighten. Cover 2. Remove the boltsfromthe top ofthe motorunit. Protection 3. Use the cartonto supportthe frontend ofthe rail. Bolt Hole 4. Place the “U” bracket,flatside down onto the motor unitand align the bracketholeswith the bolt holes. 5. Fasten the “U” bracketwith the previouslyremoved bolts;DO NOTuse anypower tools.The use ofpower toolsmaypermanentlydamage the garage door opener. SLIDE RAIL TO 6. Attach spreader to the motor unit with two screws. STOPS ON TOP AND HARDWARE SIDES Lock Nut 1/4"-20 Bolts (Mounted