CONTENTS 1/2 hp Chain Drive Garage Door Opener Models • PD612EV • HD420EV ■ 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 garage door opener are required to ensure safe operation. FOR RESIDENTIAL USE ONLY ■ The model number label is located on the left side panel of your garage door opener.
Preparation Safety Symbol and Signal Word Review Check the Door This garage door opener has been designed and tested to offer safe service provided it is installed, operated, maintained and tested in strict accordance with the instructions and warnings contained in this manual. When you see these Safety Symbols and Signal Words on the following pages, they will alert you to the possibility of serious injury or death if you do not comply with the warnings that accompany them.
Preparation Additional Items You May Need: Tools Needed Survey your garage area to see if you will need any of the following items: n (2) 2X4 PIECES OF WOOD May be used to fasten the header bracket to the structural supports. Also used to position the garage door opener during installation and for testing the safety reversing sensors. n SUPPORT BRACKET AND FASTENING HARDWARE Must be used if you have a finished ceiling in your garage.
Preparation Carton Inventory Your garage door opener is packaged in one carton which contains the motor unit and all parts illustrated below. Accessories vary depending on the garage door opener model purchased. Depending on your model, other accessories may be included with your garage door opener. Instructions for these accessories will be attached to the accessory and are not included in this manual. If anything is missing, carefully check the packing material.
Preparation Hardware Inventory ASSEMBLY HARDWARE Bolt 1/4"-20x1-3/4" INSTALLATION HARDWARE Self-Threading Screw 1/4"-14x5/8" (2) Bolt Clevis Pin 5/16"x1-1/2" Lag Screw 5/16"-9x1-5/8" (4) Clevis Pin 5/16"x1-1/4" Clevis Pin 5/16"x1" Threaded Shaft Carriage Bolt 1/4"-20x1/2" (2) Lock Nut 1/4"-20 Master Link Nut 5/16"-18 (6) Wing Nut 1/4"-20 (2) Hex Bolt 5/16"-18x7/8" (4) Lock Washer 5/16"-18 (5) Ring Fastener (3) DOOR CONTROL HARDWARE Nut 3/8" Screw 6-32x1" (2) Lock Washer 3/8" Screw 6ABx1" (2)
Assembly To garage door opener (TO MOTOR UNIT) STEP 1 Assemble the rail and trolley “U” Bracket To prevent INJURY from pinching, keep hands and fingers away from the joints while assembling the rail. Outer Trolley 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 (see illustration). The hole above this window is larger on the top of the rail than on the bottom. A smaller hole 3-1/2" (8.
Assembly STEP 2 Fasten the rail to the motor unit Hex Screws 8-32x7/16 Bolts “U” Bracket To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener. Bolt 1/4"-20x1-3/4" 1. 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. 2. Remove the bolts from the top of the motor unit. 3. Use the carton to support the front end of the rail. 4.
Assembly STEP 3 Install the idler pulley CORRECT Rail Tab 1. Lay the chain/cable beside the rail, as shown. Grasp the end with the cable loop and pass approximately 12" (30 cm) of cable through the window. Allow it to hang until Assembly Step 4. 2. Remove the tape from the idler pulley. The inside center should be pre-greased. If dry, regrease to ensure proper operation. 3. Place the idler pulley into the window as shown. 4. Insert the idler bolt from the top through the rail and pulley.
Assembly STEP 4 Install the chain a. b. Sprocket To avoid possible SERIOUS INJURY to fingers from moving garage door opener: • ALWAYS keep hand clear of sprocket while operating opener. • Securely attach chain spreader BEFORE operating. 1. Pull the cable around the idler pulley and toward the trolley. 2. Connect the cable to the retaining slot on the trolley. (a) a. Push pins of master link bar through cable link and trolley slot. b. Push master link cap over pins and past pin notches. c.
Assembly STEP 5 Tighten the chain Outer Lock Washer Nut Trolley Threaded Shaft To Tighten Outer Nut 1. Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley. 2. To tighten the chain, turn the outer nut in the direction shown. 3. When the chain is approximately 1/4" (6 mm) above the base of the rail at it's midpoint, retighten the inner nut to secure the adjustment. Sprocket noise can result if the chain is too loose.
Installation IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS. 2. Install garage door opener ONLY on properly balanced and lubricated garage door. An improperly balanced door may NOT reverse when required and could result in SEVERE INJURY or DEATH. 3. ALL repairs to cables, spring assemblies and other hardware MUST be made by a trained door systems technician BEFORE installing opener. 4.
Installation STEP 1 Determine the header bracket location Header Wall 2x4 To prevent possible SERIOUS INJURY or DEATH: • Header bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling, 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 into masonry.
Installation STEP 2 Install the header bracket OPTION B 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). CEILING INSTALLATION 1. Extend the vertical centerline onto the ceiling as shown. 2. Center the bracket on the vertical mark, no more than 6" (15 cm) from the wall.
Installation STEP 3 Attach the rail to the header bracket STEP 4 Position the garage door opener 1. Align the rail with the header bracket. Insert the clevis pin through the holes in the header bracket and rail. Secure with the ring fastener. NOTE: Use the packing material as a protective base for the garage door opener. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. HARDWARE Ring Fastener Clevis Pin 5/16"x1-1/2" 1.
Installation 1. On finished ceilings, use the lag screws to attach a support bracket (not provided) to the structural supports before installing the garage door opener. 2. Make sure the garage door opener is aligned with the header bracket. Measure the distance from each side of the garage door opener to the support bracket. 3. Cut both pieces of the hanging bracket (not provided) to required lengths. 4. Attach the end of each hanging bracket to the support bracket with appropriate hardware (not provided).
Installation STEP 6 Install the light bulbs STEP 7 Attach the emergency release rope and handle To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use emergency release handle to disengage trolley ONLY when garage door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is clear of persons and obstructions.
Installation Metal or light weight doors using a vertical angle iron brace between the door panel support and the door bracket: • Drill 3/16" fastening holes. Secure the door bracket using the two self threading screws. (Figure 2) • Alternately, use two 5/16" bolts, lock washers and nuts (not provided). (Figure 3) Metal, insulated or light weight factory reinforced doors: • Drill 3/16" fastening holes. Secure the door bracket using the self-threading screws.
Installation STEP 8 Install the door bracket (continued) OPTION B ONE-PIECE DOORS Header Wall 2x4 Support 1. Center the door bracket on the top of the door, in line with the header bracket as shown. 2. Mark either the left and right, or the top and bottom holes. Metal Doors: • Drill 3/16" pilot holes and fasten the bracket with the self-threading screws provided.
Installation STEP 9 Connect the door arm to the trolley CORRECT INCORRECT Installation will vary according to the garage door type. Follow the instructions which apply to your door. OPTION A Straight Door Arm (Groove facing out) SECTIONAL DOORS IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm. 1. Close the door. Disconnect the trolley by pulling the emergency release handle. 2. Attach the straight door arm to the outer trolley using the clevis pin.
Installation CORRECT STEP 9 Connect the door arm to the trolley (continued) OPTION B ONE-PIECE DOORS IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm. 1. Close the door. Disconnect the trolley by pulling the emergency release handle. 2. Fasten the straight door arm and the curved door arm together to the longest possible length (with a 2 or 3 hole overlap) using the bolts, nuts, and lock washers. 3. Attach the straight door arm to the door bracket using the clevis pin.
Installation 1. Strip 7/16 inch (11 mm) of insulation from one end of the wire and separate the wires. 2. Connect one wire to each of the two screws on the back of the door control. The wires can be connected to either screw. If your garage is pre-wired for the door control choose any two wires to connect, note which wires are used so the correct wires are connected to the garage door opener in a later step. 3. Mark the location of the bottom mounting hole and drill a 5/32 inch (4 mm) hole. 4.
Installation STEP 11 Wire the door control to the garage door opener STEP 12 Attach the warning labels 1. Attach the entrapment warning label on the wall near the door control with tacks or staples. 2. Attach the manual release/safety reverse test label in a visible location on the inside of the garage door. HARDWARE Insulated Staple (Not Shown) 1. Run the white and red/white wire from the door control to the garage door opener.
Installation STEP 13 Install the Protector System® HARDWARE Carriage Bolt 1/4"-20x1/2" Be sure power is NOT connected to the garage door opener BEFORE installing the safety reversing sensor. To prevent SERIOUS INJURY or DEATH from closing garage door: • Correctly connect and align the safety reversing sensor. This required safety device MUST NOT be disabled. • Install the safety reversing sensor so beam is NO HIGHER than 6" (15 cm) above garage floor.
Installation STEP 13 Install the Protector System® (continued) OPTION C FLOOR INSTALLATION OPTION B WALL INSTALLATION Use an extension bracket (not provided) or wood block to raise the sensor bracket if needed. 1. Carefully measure the position of both sensor brackets so they will be the same distance from the wall and unobstructed. 2. Attach the sensor brackets to the floor using concrete anchors (not provided). 3. Slide the carriage bolt into the slot on each sensor. 4.
Installation 1 STEP 14 Wire the Safety Reversing Sensors 2 Staple If your garage already has wires installed for the safety reversing sensors, proceed to page 25. HARDWARE Insulated Staple (Not Shown) 7/16" (11 mm) OPTION A INSTALLATION WITHOUT PRE-WIRING 1. Run the wire from both sensors to the garage door opener. Attach the wire to the wall and ceiling with the staples. 2. Strip 7/16 inch (11 mm) of insulation from each set of wires. Separate the wires. Twist the white wires together.
Installation STEP 14 Wire the Safety Reversing Sensors (continued) 1 OPTION B PRE-WIRED INSTALLATION Safety reversing sensor wires 1. Cut the end of the safety reversing sensor wire, making sure there is enough wire to reach the pre-installed wires from the wall. 2. Separate the safety reversing sensor wires and strip 7/16 inch (11 mm) of insulation from each end. Choose two of the pre-installed wires and strip 7/16 inch (11 mm) of insulation from each end.
Installation STEP 15 Connect power THERE ARE TWO OPTIONS FOR CONNECTING POWER: OPTION A TYPICAL WIRING 1. Plug in the garage door opener into a grounded outlet. 2. DO NOT run garage door opener at this time. To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: • Be sure power is NOT connected to the opener, and disconnect power to circuit BEFORE removing cover to establish permanent wiring connection.
Installation STEP 16 Ensure the safety reversing sensors are aligned IF THE AMBER LED ON THE SENDING SENSOR IS NOT GLOWING: 1. Make sure there is power to the garage door opener. 2. Make sure the sensor wire is not shorted/broken. 3. Make sure the sensor has been wired correctly: white wires to white terminal and white/black wires to grey terminal. The door will not close if the sensors have not been installed and aligned correctly.
Adjustments Introduction One-Piece Doors Only When setting the UP travel for a one-piece door ensure that the door does not slant backwards when fully open (UP). If the door is slanted backwards this will cause unnecessary bucking and/or jerking when the door is opening or closing. Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
Adjustments PROGRAMMING BUTTONS STEP 1 Program the Travel UP Button Adjustment Button Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system. • After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" (3.
Adjustments STEP 2 Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on the floor. 1. With the door fully open, place a 1-1/2 inch (3.
Operation IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. ALWAYS keep remote controls out of reach of children. NEVER permit children to operate or play with garage door control push buttons or remote controls. 3. ONLY activate garage door when it can be seen clearly, it is properly adjusted, and there are no obstructions to door travel. 4.
Operation Features THE PROTECTOR SYSTEM® (SAFETY REVERSING SENSORS) Your garage door opener is equipped with features to provide you with greater control over your garage door operation. When properly connected and aligned, the safety reversing sensors will detect an obstruction in the path of the infrared beam. If an obstruction breaks the infrared beam while the door is closing, the door will stop and reverse to full open position, and the opener lights will flash 10 times.
Operation Using your Garage Door Opener MULTI-FUNCTION CONTROL PANEL FEATURES The garage door opener can be activated through a wall-mounted door control, remote control, wireless keyless entry or MyQ® accessory. When the door is closed and the garage door opener is activated the door will open. If the door senses an obstruction or is interrupted while opening the door will stop. When the door is in any position other than closed and the garage door opener is activated the door will close.
Operation Motion Detecting Control Panel (continued) Remote Control LOCK Your remote control has been programmed at the factory to operate with your garage door opener. Older Chamberlain remote controls are NOT compatible, see page 40 for compatible accessories. Programming can be done through the door control or the learn button the garage door opener. To program additional accessories refer to the instructions provided with the accessory or visit www.chamberlain.com.
Operation Remote Control (continued) To Erase the Memory PROGRAM A REMOTE CONTROL USING THE LEARN BUTTON ERASE ALL REMOTE CONTROLS AND KEYLESS ENTRIES 1. Locate the Learn Button. 2. Press and immediately release the Learn button. The Learn LED will glow steady for 30 seconds. Within 30 seconds... 3. Press and hold the button on the remote control that you wish to use. Release the button when the garage door opener lights blink or two clicks are heard.
Operation To Open the Door Manually To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use emergency release handle to disengage trolley ONLY when garage door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is clear of persons and obstructions. • NEVER use handle to pull door open or closed. If rope knot becomes untied, you could fall.
Maintenance Maintenance Schedule NOTICE: To complywith FCC and/or IndustryCanada (IC) rules, adjustment or modificationsof thistransceiver are prohibited. THERE ARENO USER SERVICEABLEPARTS. Any changesor modifications not expresslyapproved by the partyresponsible for compliance could void the user'sauthorityto operate the equipment. Thisdevice complieswith Part 15 of the FCC rules and IC RSS-210.
Troubleshooting Diagnostic Chart Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWN arrows on the garage door opener flash the diagnostic codes. SYMPTOM SOLUTION 1 The garage door opener will not close and the light bulbs flash. Safety sensors are not installed, connected, or wires may be cut. Inspect sensor wires for a disconnected or cut wire. 1 2 The garage door opener will not close and the light bulbs flash.
Troubleshooting DIAGNOSTIC CODE SYMPTOM SOLUTION Door is moving stops or reverses. Manually open and close the door. Check for binding or obstructions, such as a broken spring or door lock, correct as needed. If the door is binding or sticking contact a trained door systems technician. If door is not binding or sticking attempt to reprogram travel (refer to page 28). Up Arrow Flash(es) Down Arrow Flash(es) 4 1-4 4 5 Opener runs approximately 6-8", stops and reverses.
Accessories 7702CB Outside Quick Release: Required for a garage with NO access door. 041A5281-1 7708CB 8 Foot (2.4 m) Rail Extension: To allow an 8 foot (2.4 m) door to open fully. PILCEV CLLP1 7710CB 10 Foot (3 m) Rail Extension: To allow a 10 foot (3 m) door to open fully. CLSS1 System Surge Protector: The Garage Door Opener Surge Protector is designed to protect Chamberlain garage door openers against damage from lightning and power surges. Easy to install.
Warranty CHAMBERLAIN® TWO YEAR LIMITED WARRANTY LIFETIME MOTOR LIMITED WARRANTY MODEL PD612EV The Chamberlain Group, Inc.® (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is originally installed, that it is free from defects in materials and/ or workmanship for a period of two years from the date of purchase, except that the motor which is warranted to be free from defects in materials and/or workmanship for the lifetime of the product.
Repair Parts Installation Parts Description Rail Assembly Parts Description 1 Chain and Cable Part Number 2 1 2 Pulley 144C56 3 Master Link 4A1008 4 Rail 5 Trolley Assembly 6 “U” Bracket 41A5665 Hardware Bag Owner’s Manual Door Bracket with Clevis Pin and Fastener 3 Emergency Release Rope and Handle 4 Header Bracket with Clevis Pin and Fastener 5 Remote Control Visor Clip 6 Safety Sensor Bracket 7 Safety Sensor Kit Receiving and sending sensors with 2-conductor wire 8 Straig
Repair Parts Description Garage Door Opener Parts 1 2 1 Chain Spreader 2 Gear and Sprocket 3 End Panel with Light Socket 4 Light Socket 5 Light Lens Model HD420EV Model PD612EV 13 3 10 12 4 5 14 5 11 8 41A7760 41C279 41D7572 41D7570 Capacitor 30B532 7 Capacitor Bracket 12A373 8 Travel Module 9 Cover Model HD420EV Model PD612EV 41D7742-7 41A7620-7 41A7620-10 10 Receiver Logic Board 11 End Panel for Receiver Logic Board with Light Socket 41D7638 12 Motor with Travel Modul