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Chamberlain Security+ 3950 Owner's Manual

Door operator
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DOOR OPERATOR
Model 3950
For Light Duty Commercial Use
Owner's Manual
Please read this manual and the enclosed safety materials carefully!
■
The door WILL NOT CLOSE unless The Protector System
■
Periodic checks of the operator are required to ensure safe operation.
■
The model number label is located behind the hinged door of your operator.
■
DO NOT exceed 10 complete cycles of door operation per hour.
■
DO NOT use with sectional type doors.
■
This manual is to be left with the property owner.
■
2 Y E A R W A R R A N T Y
Serial #
(Located on electrical box cover)
Installation Date
®
®
is connected and properly aligned.
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com

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  • Page 1 The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com ® DOOR OPERATOR Model 3950 For Light Duty Commercial Use Owner’s Manual Please read this manual and the enclosed safety materials carefully! ■ The door WILL NOT CLOSE unless The Protector System ®...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction Operation 16-18 Safety symbol review and signal word review ....2 Operation safety instructions ......16 Preparing your door .

  • Page 3: Preparing Your Door

    Preparing Your Door Before you begin: To prevent possible SERIOUS INJURY or DEATH: • Remove any ropes connected to door. • ALWAYS call a trained door systems technician if door • Raise and lower the door to ensure the door does not bind or binds, sticks or is out of balance.

  • Page 4: Carton Inventory

    Carton Inventory Your door operator is packaged in one carton which contains the Note that accessories will depend on the model purchased. If motor unit and the parts illustrated below. anything is missing, carefully check the packing material. Single Button Control 2-Conductor Bell Wire Station White &...

  • Page 5: Assembly

    ASSEMBLY STEP 1 Figure 1 Output Shaft Attach the Drive Sprocket Drive Sprocket The drive sprocket can be installed on the right or left side of the operator depending on your installation. The drive sprocket has three holes to aid in the alignment of the drive sprocket with the door sprocket.

  • Page 6: Installation

    WARNING INSTALLATION IMPORTANT INSTALLATION INSTRUCTIONS WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL INSTALLATION WARNINGS AND 7. NEVER wear watches, rings or loose clothing while installing INSTRUCTIONS. or servicing operator. They could be caught in door or operator mechanisms.

  • Page 7: Mount The Operator

    INSTALLATION STEP 2 Mount the Operator To prevent possible SERIOUS INJURY or DEATH: The operator can be mounted to the wall with the mounting • Concrete anchors MUST be used if mounting bracket into brackets provided. masonry. An optional guide mounting bracket is available for purchase •...

  • Page 8: Attach The Emergency Release Rope And Handle

    INSTALLATION STEP 3 Attach the Emergency Release Rope and Handle To prevent possible SERIOUS INJURY or DEATH from a falling 1. Thread one end of the rope through the hole in the top of the door: red handle so “NOTICE” reads right side up as shown. Secure •...

  • Page 9: Electrical Requirements

    INSTALLATION STEP 5 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from To avoid installation difficulties, do not run the operator at this electrocution or fire: time. • Be sure power is not connected to the operator, and To reduce the risk of electric shock, your operator has a disconnect power to circuit BEFORE removing cover to grounding type plug with a third grounding pin.

  • Page 10: Install The Protector System

    INSTALLATION STEP 6 Install The Protector System ® Be sure power is not connected to the door operator BEFORE The safety reversing sensor must be connected and aligned installing the safety reversing sensor. correctly before the door operator will move in the down To prevent SERIOUS INJURY or DEATH from a closing door: direction.
  • Page 11 INSTALLING THE BRACKETS Be sure power to the operator is disconnected. Install and align Figure 1 WALL MOUNT (RIGHT SIDE) the brackets so the safety reversing sensors will face each other Fasten Wood Block to Wall with across the door, with the beam no higher than 6" (15 cm) above Lag Screws (Not Provided) the floor.
  • Page 12 MOUNTING AND WIRING THE SAFETY REVERSING SENSORS Figure 4 • Slide a 1/4"-20x1/2" carriage bolt head into the slot on each Wing Nut 1/4"-20 sensor. Use wing nuts to fasten safety reversing sensors to brackets, with lenses pointing toward each other across the door.

  • Page 13: Adjustment

    ADJUSTMENT STEP 1 Program the Travel Limits Without a properly installed safety reversal system, persons Travel limits regulate the points at which the door will stop (particularly small children) could be SERIOUSLY INJURED or when moving up or down. KILLED by a closing door. Adjust the position of the door by using the black and purple •...

  • Page 14: Set The Force

    ADJUSTMENT STEP 2 Set the Force Without a properly installed safety reversal system, persons The force setting measures the amount of force required to (particularly small children) could be SERIOUSLY INJURED or open and close the door. KILLED by a closing door. 1.

  • Page 15: Test The Protector System

    ADJUSTMENT STEP 3 Test The Protector System ® Without a properly installed safety reversing sensor, persons • Press the single button control station to open the door. (particularly small children) could be SERIOUSLY INJURED or • Place the operator carton in the path of the door. KILLED by a closing door.

  • Page 16: Operation

    WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 8. After ANY adjustments are made, the safety reversal system MUST be tested. 2. ALWAYS keep remote controls out of reach of children. NEVER permit children to operate or play with door control 9.

  • Page 17: Having A Problem? (Troubleshooting)

    HAVING A PROBLEM? (TROUBLESHOOTING) 1. The operator doesn’t operate from either the door control or 8. The door reverses for no apparent reason: the remote control: • Is something obstructing the door? Pull the emergency • Does the operator have electric power? Plug a lamp into the release handle.

  • Page 18: Diagnostic Chart

    Motor unit Installed Safety Reversing Sensor “Learn” Button LED or Diagnostic Your door operator is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will flash a number of times then pause signifying it has found a potential issue. Consult Diagnostic “Learn”...

  • Page 19: Programming

    PROGRAMMING NOTICE: If this Security ✚ ® door operator is operated with a non-rolling code transmitter, the technical measure in the receiver of the door operator, which provides security against code-theft devices, will be circumvented. The owner of the copyright in the door operator does not authorize the purchaser or supplier of the non-rolling code transmitter to circumvent that technical measure.

  • Page 20: To Add, Program Or Change A Keyless Entry Pin (Not Provided)

    To Add, Program or Change a Keyless Entry PIN (Not Provided) NOTE: The optional Keyless Entry must be programmed to operate your door operator. USING THE “LEARN” BUTTON Optional To change an existing, known PIN If the existing PIN is known, it may be changed by one person without using a ladder.

  • Page 21: Repair Parts

    REPAIR PARTS Installation Parts KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION APBS 1 Single button control station 41A5266-1 Safety reversing sensor brackets (2) 41A6298-5 Emergency release rope, handle assembly 41A7279 Live shaft sprocket kit and installation hardware bag 41A7280 Dead shaft sprocket kit (includes hardware listed on page 4)

  • Page 22: Accessories

    The bracket can be mounted in several light from their car with their door different configurations with the motor operator remote or from anywhere in location outside or inside the door guides. their home with an additional LiftMaster Security✚ ® remote. 3950CGJ...

  • Page 23: Notes

    NOTES...
  • Page 24 SERVICE INFORMATION For professional installation, parts and service, contact your local TOLL FREE NUMBER: LIFTMASTER/CHAMBERLAIN dealer. Look for him in the Yellow 1-800-528-2806 Pages, or call our Service number for a list of dealers in your area. © 2010, The Chamberlain Group, Inc.

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