Table of Contents
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GARAGE DOOR OPENER
Model 248735S 3/4 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
■ Periodic checks of the opener are required to ensure safe operation.
■ The model number label is located on the left side panel of your opener.
®
®
is connected and properly aligned.
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
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Table of Contents
Related Manuals for Chamberlain POWER DRIVE 248735S 3/4 HP
Summary of Contents for Chamberlain POWER DRIVE 248735S 3/4 HP
- Page 1 ■ Periodic checks of the opener are required to ensure safe operation. ■ The model number label is located on the left side panel of your opener. ® ® is connected and properly aligned. The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.chamberlain.com...
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Page 2: Table Of Contents
To open the door manually ..... . .31 Care of your garage door opener ....32 Having a problem? . -
Page 3: Preparing Your Garage Door
To prevent damage to garage door and opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120V, 60 Hz to avoid malfunction and damage. Tools needed During assembly, installation and adjustment of the opener, instructions will call for hand tools as illustrated below. -
Page 4: Planning
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. -
Page 5: Planning
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 11. • Depending on your door’s construction, you may need additional mounting hardware for the door bracket (Step 11). -
Page 6: Carton Inventory
Carton Inventory 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. SECURITY✚ Remote Control with Visor Clip (2) -
Page 7: Hardware Inventory
Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. Bolt 1/4"-20x1-3/4" (1) Bolt 1/4"-20x2-1/2" (1) Trolley Threaded Shaft (1) Carriage Bolt Wing Nut 1/4"-20x1/2" (2) 1/4"-20 (2) Lag Screw 5/16"-9x1-5/8" (2) Lag Screw 5/16"-18x1-7/8"... -
Page 8: Assemble The Rail And Install The Trolley
ASSEMBLY STEP 1 Assemble the Rail & Install the Trolley To avoid installation diffi culties, 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. -
Page 9: Fasten The Rail To The Motor Unit
Tighten securely with a 1/4"-20 lock nut. HARDWARE SHOWN ACTUAL SIZE Lock Washer 3/8" Lock Nut 1/4"-20 To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener. Bolt Washer... -
Page 10: Install The Chain/Cable
Lock Nut Figure 4 Round Hole To avoid possible SERIOUS INJURY to fi ngers from moving garage door opener: • ALWAYS keep hand clear of sprocket while operating opener. • Securely attach chain spreader BEFORE operating. Figure 1 Master Link... -
Page 11: Tighten The Chain
4. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to avoid entanglement. 5. Install garage door opener 7 feet (2.13 m) or more above fl oor. 6. Mount the emergency release within reach, but at least 6 feet (1.83 m) above the fl... -
Page 12: Determine The Header Bracket Location
INSTALLATION STEP 1 Determine the Header Bracket Location 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. -
Page 13: Install The Header Bracket
INSTALLATION STEP 2 Install the Header Bracket 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). -
Page 14: Attach The Rail To The Header Bracket
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. -
Page 15: Hang The Opener
Hex Bolt 5/16"-18x7/8" Lock Washer 5/16" To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to structural supports of the garage. Concrete anchors MUST be used if installing ANY brackets into masonry. Figure 1 Measure Distance Bolt 5/16"-18x7/8"... -
Page 16: Install The Door Control
INSTALLATION STEP 6 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"... -
Page 17: Install The Lights
4-1/2 minutes when power is connected. Then the lights will turn OFF. • Reverse the procedure to close the lens. • Use A19, standard neck garage door opener bulbs for replacement. NOTE: Use only standard light bulbs. The use of short neck or speciality light bulbs may overheat the endpanel or light socket. -
Page 18: Electrical Requirements
INSTALLATION STEP 9 Electrical Requirements To avoid installation diffi culties, do not run the opener at this time. 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... -
Page 19: Install The Protector System
INSTALLATION STEP 10 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. - Page 20 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.
- Page 21 MOUNTING AND WIRING THE SAFETY REVERSING SENSORS Mounting • 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 (Figure 5).
- Page 22 Connect to garage door opener: • Strip 7/16" (11 mm) of insulation from each set of wires. Separate white and white/black wires suffi ciently to connect to the opener quick-connect terminals. Twist like colored wires together. Insert wires into quick-connect holes: white to white and white/black to grey (Figure 10).
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Page 23: Fasten The Door Bracket
INSTALLATION STEP 11 Fasten the Door Bracket 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 supports. A vertical reinforcement brace should cover the height of the top panel. - Page 24 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.
- Page 25 INSTALLATION STEP 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONLY • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley.
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Page 26: Connect The Door Arm To The Trolley
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. • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). -
Page 27: Adjustment
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. •... -
Page 28: Adjust The Force
ADJUSTMENT STEP 2 Adjust the Force Force adjustment controls are located on the right 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. -
Page 29: Test The Safety Reversal System
The door will not move more than 1" (2.5 cm), and the opener lights will fl ash. The garage door opener will not close from a remote if the indicator light in either sensor is off (alerting you to the fact that the sensor is misaligned or obstructed). -
Page 30: Operation
Garage door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or a 2x4 laid fl at) on the fl oor. Failure to adjust the garage door opener properly may cause SEVERE INJURY or DEATH. 12. ALWAYS keep garage door properly balanced (see page 3). -
Page 31: Using Your Garage Door Opener
Using Your Garage Door Opener (Continued) Security✚ ® light feature: Lights will also turn on when someone walks through the open garage door. With a Multi-Function Door Control, this feature may be turned off as follows: With the opener lights off, press and hold the light button for 10 seconds, until the light goes on, then off again. -
Page 32: Care Of Your Garage Door Opener
Care of Your Opener LIMIT AND FORCE ADJUSTMENTS: Weather conditions may cause some minor changes in door operation requiring some re-adjustments, particularly during the fi rst year of operation. Pages 27 and 28 refer to the limit and force adjustments. Only a screwdriver is required. -
Page 33: Having A Problem
5. My lights will not turn off when door is open: • The garage door opener is equipped with a security light feature. This feature activates the light on when the safety reversing sensor beam has been obstructed. -
Page 34: Diagnostic Chart
Motor Circuit Failure. Replace Receiver Logic Board. LED or Diagnostic Your garage door opener is programmed with self- diagnostic capabilities. The “Learn” button/diagnostic LED “Learn” will fl ash a number of times then pause signifying it has Button found a potential issue. Consult Diagnostic Chart below. -
Page 35: Programming
The owner of the copyright in the garage door opener does not authorize the purchaser or supplier of the non-rolling code transmitter to circumvent that technical measure. -
Page 36: To Add, Reprogram Or Change A Keyless Entry Pin
To Add, Reprogram or Change a Keyless Entry PIN NOTE: Your new Keyless Entry must be programmed to operate your garage door opener. USING THE “LEARN” BUTTON 1. Press and release the “learn” button on motor unit. The learn indicator light will glow steadily for 30 seconds. -
Page 37: Repair Parts
REPAIR PARTS Rail Assembly Parts Installation Parts PART 41A5273-14 953D 10A20 29B137 41A2828 41B4494-1 41A5047-1 41A5047-2 41A5034 178B34 12B776 178B35 41A5266-1 41A5258-25 114A4256 114A4256SP PART DESCRIPTION 4A1008 Master link kit 41C5141-1 Complete trolley assembly 41A5665-2 Complete rail 144C56 Idler pulley 41A5807-3 Chain and cable 12D598-1 “U”... -
Page 38: Motor Unit Assembly Parts
Motor Unit Assembly Parts PART NO. DESCRIPTION 41A5615 Chain Spreader 41A5585 Gear and sprocket assembly. Complete with: Spring washer, thrust washer, retaining ring, bearing plate, roll pins (2), drive gear and worm gear, helical gear w/ retainer and grease 41B4245 Line cord 41A5484-1 End panels w/all labels... -
Page 39: Accessories
fl oor. To order call: 1-800-528-9131 Remote Light Control: Enables homeowner to turn on a lamp, television or other appliance from their car with their garage door opener remote or from anywhere in their home with an additional Chamberlain Security✚ ® remote. -
Page 40: Repair Parts And Service
The Chamberlain Group, Inc. (“Seller”) warrants to the fi rst retail purchaser of this product, for the residence in which this product is originally installed, that it is free from defect in materials and/or workmanship for a period of one year from the date of purchase [and that the motor is free from defect in materials and/or workmanship for a period of ten years.