Table of Contents
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GARAGE DOOR OPENER
Models PD420 • PD420-2 • PD460-2
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
properly aligned.
Periodic checks of the opener are required to ensure safe operation.
The model number label is located on the front of your opener.
™
®
is connected and
®
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Table of Contents
Related Manuals for Chamberlain Power Drive PD420
Summary of Contents for Chamberlain Power Drive PD420
- Page 1 ® ™ GARAGE DOOR OPENER Models PD420 • PD420-2 • PD460-2 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 ®...
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Page 2: Table Of Contents
TABLE OF CONTENTS Introduction Pages 2-7 Adjustment Pages 28-30 Safety symbol and signal word review......2 Adjust the travel limits ..........28 Preparing your garage door ........3 Adjust the force ............29 Tools needed ...............3 Test the safety reversal system.........30 Planning ..............4-5 Test the Protector System ®... -
Page 3: Preparing Your Garage Door
Preparing your garage door WARNING Before you begin: To prevent possible SERIOUS INJURY OR DEATH: • Disable locks. • ALWAYS call a trained door systems technician if • Remove any ropes connected to garage door. garage door binds, sticks, or is out of balance. An unbalanced garage door may not reverse when •... -
Page 4: Planning
Planning • Do you have an access door in addition to the garage door? If not, Model 7702CB Outside Quick Identify the type and height of your garage door. Release is required. See Accessories page. Survey your garage area to see if any of the •... -
Page 5: Planning
Planning (Continued) 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 SERIOUSLY INJURED or KILLED by a closing garage reinforcement. If your door is lightweight, refer to door. -
Page 6: Carton Inventory
Carton Inventory Your garage door opener is packaged in one carton which contains the motor unit and the parts illustrated below. Note that accessories will depend on the model purchased. If anything is missing, carefully check the packing material. Parts may be stuck in the foam. KEEP THE FOAM INTACT (see page 10.) Hardware for assembly and installation is shown on the next page. -
Page 7: Hardware Inventory
Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. ASSEMBLY HARDWARE Bolt Lock Nut 1/4" - 20 x 5/8" 1/4-20x1-3/4" (8) 1/4"-20 x 7/16 (12) Sprocket Coupling Sleeve Hex Screw (4) INSTALLATION HARDWARE Ring Handle Carriage Bolt... -
Page 8: Assembly Pages
ASSEMBLY STEP 1 Assemble the Rail To avoid installation difficulties, do not run the garage door opener until instructed to do so. 1. Turn the opened rail carton upside down and empty its contents onto a level work surface. 2. Unfold the rails, taking care to avoid kinking the screw rod joint. -
Page 9: Assemble The Rail
Assemble the Rail (Continued) 4. Beginning with the sprocket end, straighten the two rail sections so that the screw rod is in a straight line at the joint. (Avoid handling the joint, which may have sharp edges.) 5. Carefully slide the pins at the top edge of the rail into the openings on the adjacent rail. -
Page 10: Fasten Rail To Motor Unit And Install The Trolley
ASSEMBLY STEP 2 Fasten the Rail To the Motor Unit and Install the Trolley To aid in assembly and installation, replace the foam packing around the motor unit. Remove it after Installation Step 5. HARDWARE SHOWN ACTUAL SIZE • Working on a level surface, align the rail assembly with the motor unit, as shown. -
Page 11: Attach The Rail Brackets
1/4"-20 ASSEMBLY STEP 3 Lock Nuts Rail Attach the Rail Brackets Brackets • Align rail brackets to end of rail assembly, as shown. • Insert two 1/4"-20 x 5/8" hex screws and lock nuts. Tighten securely with a 7/16" socket. 1/4"-20x5/8 You have now finished assembling your garage Rail... -
Page 12: Determine The Header Bracket Location
INSTALLATION STEP 1 Determine the Header Bracket Finished Vertical Location Ceiling Centerline Header Structural Wall Supports WARNING 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. - Page 13 ONE-PIECE DOOR WITHOUT TRACK Unfinished 1. Close the door and mark the inside vertical Ceiling centerline of your garage door. Extend the line onto the header wall above door, as shown. Structural Supports Header Wall If headroom clearance is minimal, you can install Vertical Centerline the header bracket on the ceiling.
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Page 14: Install The Header Bracket
INSTALLATION STEP 2 Install the Header Bracket You can attach the header bracket either to the wall Wall Mounting Holes above the garage door, or to the ceiling. Follow the instructions which will work best for your particular CEILING MOUNT ONLY The nail hole is for requirements. -
Page 15: Attach The Rail To The Header Bracket
INSTALLATION STEP 3 Attach the Rail to the Header Bracket • 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 temporary support to allow the rail to clear the spring. -
Page 16: Install The Protector System
INSTALLATION STEP 4 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 • 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. - Page 17 INSTALLING THE BRACKETS Figure 1 DOOR TRACK MOUNT (RIGHT SIDE) Be sure power to the opener is disconnected. Install and align the brackets so the sensors will face Door each other across the garage door, with the beam no Track higher than 6"...
- Page 18 MOUNTING AND WIRING THE SAFETY SENSORS Figure 4 • Slide a 1/4"-20x1/2" carriage bolt head into the slot on each sensor. Use wing nuts to fasten sensors Wing nut to brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed by a bracket extension.
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Page 19: Position The Opener
CAUTION INSTALLATION STEP 5 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. -
Page 20: Hang The Opener
WARNING INSTALLATION STEP 6 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 supports of the garage. Concrete anchors MUST be used may be different. Hanging brackets should be angled if installing any brackets into masonry. -
Page 21: Install The Door Control And Connect Wiring
WARNING WARNING INSTALLATION STEP 7 CAUTION WARNING Install the Door Control To prevent possible SERIOUS INJURY or DEATH from and Connect all Wiring electrocution: • Be sure power is not connected BEFORE installing door Locate door control within sight of door, at a minimum control. -
Page 22: Electrical Requirements
WARNING INSTALLATION STEP 8 WARNING Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: CAUTION WARNING To avoid installation difficulties, do not run the • Be sure power is not connected to the opener, and opener until Step 9 below. disconnect power to circuit BEFORE removing cover to To reduce the risk of electric shock, your garage door establish permanent wiring connection. -
Page 23: Install The Lights And Lens
INSTALLATION STEP 10 Top Lens Tab Lens Install the Lights and Lens • Install a 100 watt maximum light bulb in each Bottom socket. The lights will turn ON and remain lit for Lens Tab approximately 4-1/2 minutes when power is Chassis connected. -
Page 24: Fasten The Door Bracket
WARNING CAUTION INSTALLATION STEP 12 Fasten the Door Bracket To prevent damage to garage door, reinforce inside of door with angle iron both vertically and horizontally. Follow instructions which apply to your door type as illustrated below or on the following page. A horizontal reinforcement brace should be long enough to be secured to two or three vertical Header... - Page 25 ONE-PIECE DOORS Please read and comply with the warnings and reinforcement instructions on the previous page. They apply to one-piece doors also. • Center the door bracket on the top of the door, in line with the header bracket as shown. Mark either the left and right, or the top and bottom holes.
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Page 26: Connect Door Arm To Trolley
INSTALLATION STEP 13 Connect Door Arm to Trolley Inner Outer Trolley Trolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONLY Ring • Make sure garage door is fully closed. Pull the Clevis Pin Fastener 5/16"x1"... -
Page 27: Connect The Door Arm To The Trolley
ALL ONE-PIECE DOORS 1. Assemble the door arm: • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). Door Bracket Ring Fastener • With the door closed, connect the straight door Nuts Lock arm section to the door bracket with the... -
Page 28: Adjustment Pages
WARNING ADJUSTMENT STEP 1 Adjust the UP and DOWN Travel Without a properly installed safety reversal system, Limits persons (particularly small children) could be CAUTION SERIOUSLY INJURED or KILLED by a closing garage Limit adjustment settings regulate the points at which door. -
Page 29: Adjust The Force
WARNING ADJUSTMENT STEP 2 Adjust the Force Without a properly installed safety reversal system, persons (particularly small children) could be CAUTION Force adjustment controls are located on the back SERIOUSLY INJURED or KILLED by a closing garage panel of the motor unit. Force adjustment settings door. -
Page 30: Test The Safety Reversal System
WARNING ADJUSTMENT STEP 3 Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be CAUTION SERIOUSLY INJURED or KILLED by a closing garage TEST door. • With the door fully open, place a one-inch board •... -
Page 31: Operation Pages
OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of severe injury or death: CAUTION 1. READ AND FOLLOW ALL WARNINGS AND 8. If one control (force or travel limits) is adjusted, the INSTRUCTIONS. other control may also need adjustment. 2. -
Page 32: Using The Wall-Mounted Door Control
Using the Wall-Mounted To Open the Door Manually Door Control WARNING THE MULTI-FUNCTION DOOR CONTROL Press the push bar to open • To prevent possible SERIOUS INJURY or DEATH from or close the door. Press a falling garage door: CAUTION again to reverse the door –... -
Page 33: Care Of Your Garage Door Opener
Care of Your Opener THE REMOTE CONTROL BATTERY LIMIT AND FORCE ADJUSTMENTS WARNING Weather conditions may cause some To prevent possible SERIOUS INJURY or DEATH: minor changes in door operation • NEVER allow small children near batteries. requiring some CAUTION •... -
Page 34: Having A Problem
Having a Problem? 8. The door stops but doesn't close completely: • Review the travel limits adjustment procedures on page 28. 1. The opener doesn't operate from either the Door Repeat the safety reverse test after any adjustment of door Control or the remote control: arm length, close force or down limit. -
Page 35: Programming Pages
PROGRAMMING Your garage door opener has already been programmed at the factory to operate with your hand-held remote control. The door will open and close when you press the large push button. Below are instructions for programming your opener to operate with additional Security✚ remote controls. To Add an Additional Hand-held Remote Control USING THE “LEARN”... -
Page 36: To Add Or Change A Keyless Entry Pin
To Add or Change a Keyless Entry PIN NOTE: Your new Keyless Entry must be programmed to operate your garage door opener. USING THE “LEARN” BUTTON USING THE MULTI-FUNCTION DOOR CONTROL 1. Press and release the “learn” NOTE: This method requires two people if the Keyless button on motor unit. -
Page 37: Repair Parts Pages
REPAIR PARTS Rail Assembly Parts KEY PART DESCRIPTION 41A4796 Hardware bag 41A4795 Hardware bag (includes sprocket coupling) 12B569-1 Left rail bracket 12B569-2 Right rail bracket 1C4827-1 Screw drive rail assembly 12B560 Rail support braces (4) 81C168 Rack 41C4677 Complete trolley assembly 25C20 Sprocket coupling 41A4836... -
Page 38: Motor Unit Assembly Parts
Motor Unit Assembly Parts (Down) LIMIT SWITCH ASSY. Brown Contact Wire Grey Wire Drive Gear Center Limit (Up) Yellow Contact Contact Wire PART PART DESCRIPTION DESCRIPTION 31D477 Drive shaft cover 41A5394 Assy. bracket motor mount 81B170-1 Shaft limit worm 41B4245 Line cord 41C4672 Screw drive RPM kit... -
Page 39: Accessories
ACCESSORIES SECURITY✚ Multi-Function Mini 950CB 956CB SECURITY✚ Single-Function Remote Control: Remote Control: With key ring and velcro fastening Includes visor clip. strip. SECURITY✚ Multi-Function Outside Quick Release: 953CB 7702CB Remote Control: Required for a garage with NO access door. Enables homeowner to open Includes visor clip. -
Page 40: Repair Parts And Service
LIMITED WARRANTY ON MOTOR Models PD420 and PD420-2: The motor is warranted to be free from any defect in materials and/or workmanship for a period of 72 full months (6 years) from the date of purchase. Model PD460-2: The motor is fully warranted for the lifetime of the product to the first-time purchaser.
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