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Chamberlain PD432DM 1/2 HP - page 1
The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.chamberlain.com GARAGE DOOR OPENER Model PD432DM 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 Th ...
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Chamberlain PD432DM 1/2 HP - page 2
2 TABLE OF CONTENTS 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. The hazard may come from something mechanical or from electric shock. Read the warnings carefully. When you see this Signal Word ...
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Chamberlain PD432DM 1/2 HP - page 3
3 Tools needed During assembly, installation and adjustment of the opener, instructions will call for hand tools as illustrated below. To prevent possible SERIOUS INJURY or DEATH: • ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance. An unbalanced garage door may NOT reverse when required. • NEVER t ...
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Chamberlain PD432DM 1/2 HP - page 4
4 Planning Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may be required. You may fi nd it helpful to refer back to this page and the accompanying illustrations as you proceed with the installation of your opener. Depending on your re ...
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Chamberlain PD432DM 1/2 HP - page 5
5 Planning (Continued) ONE-PIECE DOOR INSTALLATIONS • Generally, a one-piece door does not require reinforcement. If your door is lightweight, refer to the information relating to sectional doors in Installation Step 12. • Depending on your door’s construction, you may need additional mounting hardware for the door bracket (Step 12). Without ...
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Chamberlain PD432DM 1/2 HP - page 6
6 Your garage door opener is packaged in one carton which contains the motor unit and all parts illustrated below. Accessories will depend on the model purchased. If anything is missing, carefully check the packing material. PARTS MAY BE STUCK IN THE FOAM. Hardware for assembly and installation is shown on the next page. Save the carton and packing ...
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Chamberlain PD432DM 1/2 HP - page 7
7 INSTALLATION HARDWARE Carriage Bolt 1/4"-20x1/2" (2) Lag Screw 5/16"-9x1-5/8" (2) Lag Screw 5/16"-18x1-7/8" (2) Drywall Anchors (2) Spacer Clevis Pin 5/16"x1-1/4" (1) Clevis Pin 5/16"x2-3/4" (1) Clevis Pin 5/16"x1" (1) Rope Screw 6ABx1-1/4" (2) Screw 6-32x1" (2) Hex Bolt 5/16&q ...
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Chamberlain PD432DM 1/2 HP - page 8
8 To prevent INJURY from pinching, keep hands and fi ngers away from the joints while assembling the rail. ASSEMBLY STEP 1 Assemble the Rail To avoid installation diffi culties, do not run the garage door opener until instructed to do so. 1. Open the rail carton and remove the contents onto a level work surface. Keep it clean and free of debris w ...
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Chamberlain PD432DM 1/2 HP - page 9
9 Assemble the Rail (continued) 3. Attach rail support braces to the back rail. Loosely insert 1/4-20x7/16" hex bolts into the aligned holes of the end rail and rail support brace (Figure 1). Do not fi nger tighten. 4. Extend the drive screw a few inches from the center rail, and slide the sleeve onto the long journal (Figure 2). 5. Interlock ...
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Chamberlain PD432DM 1/2 HP - page 10
10 HARDWARE SHOWN ACTUAL SIZE Hex Bolt 1/4"-20x7/16" ASSEMBLY STEP 2 Fasten the Rail to the Motor Unit and Install the Trolley NOTE: To aid in assembly and installation, replace the foam packing around the motor unit. Remove it after Installation Step 4. 1. Working on a level surface, align the rail assembly with the motor unit, as shown. ...
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Chamberlain PD432DM 1/2 HP - page 11
11 ASSEMBLY STEP 3 Attach the Rail Brackets • Align rail brackets to end of rail assembly, as shown. • Insert two 1/4"-20x7/16" hex bolts. Tighten securely with a 3/8" socket. You have now fi nished assembling your garage door opener. Please read the following warnings before proceeding to the installation section. HARDWARE SHOW ...
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Chamberlain PD432DM 1/2 HP - page 12
12 INSTALLATION STEP 1 Determine the Header Bracket Location Installation procedures vary according to garage door types. Follow the instructions which apply to your door. 1. Close the door and mark the inside vertical centerline of the garage door. 2. Extend the line onto the header wall above the door. You can fasten the header bracket within 4 f ...
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Chamberlain PD432DM 1/2 HP - page 13
13 Garage Door - Finished Ceiling - The nail hole is for positioning only. You must use lag screws to mount the header bracket. Ceiling Mounting Holes Vertical Centerline of Garage Door - Header Wall - Vertical Centerline of Garage Door Lag Screws 5/16"-9x1-5/8" Header Bracket Door Spring 6" (15 cm) Maximum INSTALLATION STEP 2 Instal ...
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Chamberlain PD432DM 1/2 HP - page 14
14 INSTALLATION STEP 3 Attach the Rail to the Header Bracket • Position the opener on the garage fl oor 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. • Position th ...
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Chamberlain PD432DM 1/2 HP - page 15
15 INSTALLATION STEP 4 Install The Protector System ® The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR When properly connected and aligned, the sensor will detect an obstacle in the path of its electronic beam. ...
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Chamberlain PD432DM 1/2 HP - page 16
16 INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Install and align the brackets so the sensors will face each other across the garage door, with the beam no higher than 6" (15 cm) above the fl oor. They may be installed in one of three ways, as follows. Garage door track installation (preferred): • Slip the curved arm ...
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Chamberlain PD432DM 1/2 HP - page 17
17 MOUNTING AND WIRING THE SAFETY SENSORS • Slide a 1/4"-20x1/2" carriage bolt head into the slot on each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed by a bracket extension. See Figure 5. • Finger tighten the wing nuts. Recommended Wire ...
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Chamberlain PD432DM 1/2 HP - page 18
18 To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. Door 2x4 is used to determine the correct mounting height from ceiling. Top of Door INSTALLATION STEP 5 Position the Opener Follow instructions which apply to your door type as illustrated. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid ? ...
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Chamberlain PD432DM 1/2 HP - page 19
19 INSTALLATION STEP 6 Hang the Opener Three representative installations are shown. Yours may be different. Hanging brackets should be angled (Figure 1) to provide rigid support. On fi nished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to structural supports before installing the opener. This bracket and fastening hardware are ...
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Chamberlain PD432DM 1/2 HP - page 20
20 INSTALLATION STEP 7 Install the Door Control Locate door control within sight of door at a minimum height of 5 feet (1.5 m) where small children cannot reach, and away from moving parts of door and door hardware. The installation surface must be smooth and fl at. If installing into drywall (Figure 1), drill 5/32" holes and use anchors prov ...
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Chamberlain PD432DM 1/2 HP - page 21
21 INSTALLATION STEP 8 Install the Lights • Press the release tabs on both sides of lens. Gently rotate lens back and downward until the lens hinge is in the fully open position. Do not remove the lens. • Install a 100 watt maximum light bulb in each socket. Light bulb size should be A19, standard neck only. The lights will turn ON and remain l ...
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Chamberlain PD432DM 1/2 HP - page 22
22 INSTALLATION STEP 10 Electrical Requirements To avoid installation diffi culties, do not run the opener until Step 11 below. To reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding pin. This plug will only fi t into a grounding type outlet. If the plug doesn't fi t into the outlet yo ...
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Chamberlain PD432DM 1/2 HP - page 23
23 HARDWARE SHOWN ACTUAL SIZE Self-Threading Screw 1/4"-14x5/8" Figure 1 HORIZONTAL AND VERTICAL REINFORCEMENT IS NEEDED FOR LIGHTWEIGHT GARAGE DOORS (FIBERGLASS, ALUMINUM, STEEL, DOORS WITH GLASS PANEL, ETC). (NOT PROVIDED) Figure 2A Figure 3 Figure 4 Figure 2B Door Bracket Door Bracket Vertical Centerline of Garage Door Vertical Centerl ...
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Chamberlain PD432DM 1/2 HP - page 24
24 HARDWARE SHOWN ACTUAL SIZE Self-Threading Screw 1/4"-14x5/8" METAL DOOR Finished Ceiling WOOD DOOR Self-Threading Screw 1/4"-14x5/8" Door Bracket Door Bracket Top of Door (Inside Garage) Header Wall Door Bracket 2x4 Support Optional Placement of Door Bracket Header Bracket Vertical Centerline of Garage Door HORIZONTAL AND VER ...
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Chamberlain PD432DM 1/2 HP - page 25
25 Straight Door Arm Straight Door Arm Curved Door Arm Curved Door Arm (Groove facing out) CORRECT INCORRECT Nuts 5/16"-18 Lock Washers 5/16" Bolts 5/16"-18x7/8" Door Bracket INSTALLATION STEP 13 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONA ...
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Chamberlain PD432DM 1/2 HP - page 26
26 ALL ONE-PIECE DOORS 1. Assemble the door arm, Figure 5: IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm (Figure 5). • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). • With the door closed, connect the straight door arm section to th ...
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Chamberlain PD432DM 1/2 HP - page 27
27 ADJUSTMENT STEP 1 Adjust the UP and DOWN Travel Limits Limit adjustment settings regulate the points at which the door will stop when moving up or down. To operate the opener, press the Door Control push bar. Run the opener through a complete travel cycle. • Does the door open and close completely? • Does the door stay closed and not reverse ...
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Chamberlain PD432DM 1/2 HP - page 28
28 ADJUSTMENT STEP 2 Adjust the Force Force adjustment controls are located on the back panel of the motor unit. Force adjustment settings regulate the amount of power required to open and close the door. If the forces are set too light, door travel may be interrupted by nuisance reversals in the down direction and stops in the up direction. Weathe ...
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Chamberlain PD432DM 1/2 HP - page 29
29 ADJUSTMENT STEP 3 Test the Safety Reversal System TEST • With the door fully open, place a 1-1/2" (3.8 cm) board (or a 2x4 laid fl at) on the fl oor, centered under the garage door. • Operate the door in the down direction. The door must reverse on striking the obstruction. ADJUST • If the door stops on the obstruction, it is not tr ...
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Chamberlain PD432DM 1/2 HP - page 30
30 OPERATION IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH: WARNING 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 ...
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Chamberlain PD432DM 1/2 HP - page 31
31 Using the Wall-Mounted Door Control THE MULTI-FUNCTION DOOR CONTROL Press the lighted push button to open or close the door. Press again to reverse the door during the closing cycle or to stop the door while it's opening. Light feature Press the Light button to turn the opener light on or off. It will not control the opener lights when the ...
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Chamberlain PD432DM 1/2 HP - page 32
32 MAINTENANCE SCHEDULE Every Month • Manually operate door. If it is unbalanced or binding, call a trained door systems technician. • Check to be sure door opens & closes fully. Adjust limits and/or force if necessary. (See pages 27 and 28) • Repeat the safety reverse test. Make any necessary adjustments. (See Adjustment Step 3) Every Ye ...
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Chamberlain PD432DM 1/2 HP - page 33
33 KG KG Sending Eye Safety Reversing Sensor (Amber Indicator Light) Receiving Eye Safety Reversing Sensor (Green Indicator Light) “Learn” Button LED or Diagnostic Safety Reversing Sensor Bell Wire LED HAVING A PROBLEM? 1. My door will not close and the light bulbs blink on my motor unit: The safety reversing sensor must be connected and aligne ...
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Chamberlain PD432DM 1/2 HP - page 34
34 KG KG Your garage door opener is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will fl ash a number of times then pause signifying it has found a potential issue. Consult Diagnostic Chart below. Installed Safety Reversing Sensor Safety Reversing Sensor Diagnostics Located On Motor Unit LED or Diagnostic LED ...
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Chamberlain PD432DM 1/2 HP - page 35
35 KG 1 3 9 7 5 KG 1 3 9 7 5 LOCK LIGHT *3-Button Remotes (315 MHz) If provided with your garage door opener, the large button is factory programmed to operate it. Additional buttons on any Security ✚ ® 3-Button remote or mini-remote can be programmed to operate other Security ✚ ® garage door openers. To Erase All Codes From Motor Unit Memory ...
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Chamberlain PD432DM 1/2 HP - page 36
36 LOCK LIGHT 1. Enter a four digit personal identifi cation number (PIN) of your choice on the keypad. Then press and hold ENTER. 2. While holding the ENTER button, press and hold the LIGHT button on the Multi-Function Door Control. 3. Continue holding the ENTER and LIGHT buttons while you press the push bar on the Multi-Function Door Control (al ...
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Chamberlain PD432DM 1/2 HP - page 37
37 REPAIR PARTS NOTICE LOCK LIGHT UP CEILING MOUNT ON L Y KEY PART NO. NO. DESCRIPTION 1 81C275 Rack 2 41A6263 Hardware bag (includes sprocket coupling) 3 12B890 Left rail bracket 4 12B900 Right rail bracket 5 41A6264 Screw drive rail assembly Complete 7' (2.1 m) 6 12B889 Rail support brace 7 41A6262 Complete trolley assembly 8 41A4836 Drive s ...
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Chamberlain PD432DM 1/2 HP - page 38
38 Motor Unit Assembly Parts 1 2 3 4 5 6a 6 7 12 11 13 14 14 9 10 9a 8 KEY PART NO. NO. DESCRIPTION 1 31C568 Drive shaft cover 2 41B4245 Line cord 3 30B620 Capacitor – 1/2 4 41A3150 Terminal block w/screws 5 41D4671 Limit switch assembly 6 41A6241 Motor drive assembly 6a 20B21-1 Drive belt 7 41C4672 Screw drive RPM kit KEY PART NO. NO. DESCRIPTIO ...
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Chamberlain PD432DM 1/2 HP - page 39
39 ACCESSORIES 953D 3-Button SECURITY ✚ ® Remote Control : Includes visor clip. LOCK LIGHT Motion Detecting Control Panel: Multi-function door control with motion sensor that automatically turns opener lights on for 5 minutes when it detects a person entering the garage. Sensor can be easily deactivated when desired. 935CB SECURITY ✚ ® Keyles ...
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Chamberlain PD432DM 1/2 HP - page 40
CHAMBERLAIN ® SERVICE IS ON CALL OUR LARGE SERVICE ORGANIZATION SPANS AMERICA INSTALLATION AND SERVICE INFORMATION IS AS NEAR AS YOUR TELEPHONE. SIMPLY DIAL OUR TOLL FREE NUMBER: 1-800-528-9131 www.chamberlain-diy.com For professional installation, parts and service, contact your local CHAMBERLAIN dealer. Look for him in the Yellow Pages, or call ...
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