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Manual Chamberlain 3240 1/2 HP

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  • Chamberlain 3240 1/2 HP - page 1

    The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1 196 www .liftmaster .com GARAGE DOOR OPENER Models Owner’ s Manual ■ Please read this manual and the enc losed safety materials carefully! ■ Fasten the man ual near the garage door after installation. ■ The door WILL NO T CLOSE unless the Protector System ® is connecte ...

  • Chamberlain 3240 1/2 HP - page 2

    2 Introduction 2-5 Safety symbol and signal word review . . . . . . . . . . . . . .2 Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . .3 T ools needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Carton inventory . . . . ...

  • Chamberlain 3240 1/2 HP - page 3

    3 T o prevent damage to garage door and opener: • AL WA YS disable locks BEFORE installing and operating the opener . • ONL Y operate garage door opener at 120V , 60 Hz to avoid malfunction and damage. T o prevent possible SERIOUS INJURY OR DEA TH: • AL WA YS call a trained door systems technician if garage door binds, sticks, or is out of ba ...

  • Chamberlain 3240 1/2 HP - page 4

    4 Safety Re v ersing Sensor FI N ISHED CEILI N G S u pport b racket & fastening hard w are is re qu ired. See page 19. Safety Re v ersing Sensor Access Door Gap b et w een floor and b ottom of door m u st not exceed 1/4" (6 mm). W all-mo u nted Door Control Header W all Motor Unit Rail Safety Re v ersin g Sensor Horizontal and v ertical re ...

  • Chamberlain 3240 1/2 HP - page 5

    5 Straight Door Arm Section C u r v ed Door Arm Section Safety La b els and Literat u re Header Bracket U P C E ILI N G M O U N T O N L Y 2 Cond u ctor Bell W ire W hite & W hite/Red Remote Control Visor Clip Door Bracket SECURITY ✚ ® 3-B u tton Remote Control M u lti-F u nction Door Control Panel L O C K LIGHT The Protector System ® (2) Sa ...

  • Chamberlain 3240 1/2 HP - page 6

    Rail Sprocket Rail Assembly Rel ease arm Arrow must point up Coupling Motor Unit Bracket Motor Unit Sprocket Foam Packaging Hex Bolts 1/4"-20x7/16" Hex Bolts 1/4-20x7/16" 6 ASSEMBL Y STEP 1 Fasten the Rail to the Motor Unit T o av oid installation difficulties, do not run the garage door opener until instructed to do so. T o aid in a ...

  • Chamberlain 3240 1/2 HP - page 7

    7 1. READ AND FOLLOW ALL INST ALLA TION W ARNINGS AND INSTRUCTIONS. 2. Install garage door opener ONL Y on properly balanced and lubricated garage door . An improperly balanced door may not reverse when required and could result in SEVERE INJURY or DEA TH. 3. ALL repairs to cables, spring assemblies and other hardware MUST be made by a trained door ...

  • Chamberlain 3240 1/2 HP - page 8

    8 INST ALLA TION 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 . Y ou can fasten the header bracket withi ...

  • Chamberlain 3240 1/2 HP - page 9

    9 INST ALLA TION STEP 2 Install the Header Bracket Y ou 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 o ver drywall. If installing into masonry , use concrete anchors (not pr ovided). W ALL H ...

  • Chamberlain 3240 1/2 HP - page 10

    10 INST ALLA TION 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. NO TE: If the door spring is in the way y ou’ll need help . Hav e someone hold the opener securely on a temporary suppor t to allow the r ail to clear the spring. • Posit ...

  • Chamberlain 3240 1/2 HP - page 11

    11 INST ALLA TION STEP 4 Install The Protector System ® The safety rever sing sensor must be connected and aligned correctly bef ore the garage door opener will move in the do wn direction. IMPORT ANT INFORMA TION ABOUT THE SAFETY REVERSING SENSOR When properly connected and aligned, the sensor will detect an obstacle in the path of its electronic ...

  • Chamberlain 3240 1/2 HP - page 12

    12 DOOR TRA CK MOUNT (RIGHT SIDE) Indicator Light Lens Lip Sensor Bracket Door T rack FLOOR MOUNT (RIGHT SIDE) W ALL MOUNT (RIGHT SIDE) Indicator Light Sensor Bracket Lens Extension Bracket (See Accessories) Inside G arage W al l (Provided with Extension Bracket) (Provided with Extension Bracket) Fi g ure 1 Fi g ure 2 Fi g ure 3 Fi g ure 4 W ALL MO ...

  • Chamberlain 3240 1/2 HP - page 13

    13 Carriage Bolt 1/4"-20x1/2" Lens W ing Nu t 1/4"-20 Figure 5 Wing Nut 1/4"-20 Staples Carriage Bolt 1/4"-20x1/2" HARD WARE SHO WN A CTUAL SIZE In v isi b le Light Beam Protection Area Safety Re v ersing Sensor Safety Re v ersing Sensor Bell W ire Sensor W ire W ire Clips Rail Figure 6 MOUNTING AND WIRING THE SAFETY S ...

  • Chamberlain 3240 1/2 HP - page 14

    14 ONE-PIECE DOOR WITHOUT TRA CK A 2x4 on its side is convenient for setting an ideal door-to-rail distance. • Remove foam packaging. • Raise the opener onto a stepladder . Y ou will need help at this point if the ladder is not tall enough. • Open the door all the way and place a 2x4 on its side on the top section of the door beneath the rail ...

  • Chamberlain 3240 1/2 HP - page 15

    15 INST ALLA TION STEP 6 Hang the Opener Three representative installations are shown. Y ours may be different. Hanging brackets should be angled (Figure 1) to provide rigid support. On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to structural supports before installing the opener . This bracket and fastening hardware a ...

  • Chamberlain 3240 1/2 HP - page 16

    16 KG 1 3 9 7 5 KG 1 3 9 7 5 T o release w ire, p u sh in ta b w ith scre w dri v er tip Door Control Connections Red Grey W hite Strip w ire 7/16" (1 1 mm) 7/16" (11 mm) INST ALLA TION STEP 7 Install the Door Control Locate door control within sight of the door at a minimum height of 5 feet (1.5 m) where small children cannot reach, and ...

  • Chamberlain 3240 1/2 HP - page 17

    17 INST ALLA TION 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 remai ...

  • Chamberlain 3240 1/2 HP - page 18

    18 INST ALLA TION STEP 10 Electrical Requirements T o av oid installation difficulties, do not run the opener at this time. T o reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding pin. This plug will only fit into a grounding type outlet. If the plug doesn’t fit into the outlet you have, con ...

  • Chamberlain 3240 1/2 HP - page 19

    19 UP Self-Threading Screw 1/4"-14x5/8" V ertical Centerline of Garage Door INST ALLA TION STEP 12 Fasten the Door Bracket Follow instructions which apply to your door type as illustrated below or on the following page. A horizontal reinfor cement brace should be long enough to be secured to two or three vertical supports. A vertical rein ...

  • Chamberlain 3240 1/2 HP - page 20

    Header W all V ertical Centerline of Garage Door Finished Ceilin g Optional Placement of Door Bracket Header Bracket Door Bracket 2x4 S u pport For a door w ith no exposed framing, or for the optional installation, u se lag scre w s 5/16"x1-1/2" ( N ot Pro v ided) to fasten door b racket. MET AL DOOR T op of Door (Inside Garage) Door Brac ...

  • Chamberlain 3240 1/2 HP - page 21

    21 C u t this end Lock W ashers 5/16" Nu ts 5/16"-1 8 Bolts 5/16"-1 8 x7/ 8 " Door Bracket Ring Fastener Door Bracket Straight Door Arm C u r v ed Door Arm Inner T rolley O u ter T rolley Emergency Release Handle Cle v is Pin 5/16"x1" Cle v is Pin 5/16"x1-1/4" Lock W ashers 5/16" Nu ts 5/16"-1 8 Bol ...

  • Chamberlain 3240 1/2 HP - page 22

    22 Closed Door O u ter T rolley O u ter T rolley Door Arm Emergency Release Handle Door Arm Connector Hole Open Door Door w ith Back w ard Slant (Incorrect) Correct Angle Inner T rolley Inner T rolley Door Arm Connector Hole ALL ONE-PIECE DOORS 1. Assemble the door arm, Figure 4: • Fasten the straight and curved door arm sections together to the ...

  • Chamberlain 3240 1/2 HP - page 23

    23 ADJUSTMENT STEP 1 Adjust the UP and DOWN T ravel Limits Limit adjustment settings regulate the points at which the door will stop when moving up or down. T o 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 rev ...

  • Chamberlain 3240 1/2 HP - page 24

    24 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. Weath ...

  • Chamberlain 3240 1/2 HP - page 25

    25 Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSL Y INJURED or KILLED by a closing garage door . • Safety reversal system MUST be tested every month. • If one control (for ce or travel limits) is adjusted, the other control may also need adjustment. • After ANY adjustments are made ...

  • Chamberlain 3240 1/2 HP - page 26

    26 OPERA TION T o reduce the risk of SEVERE INJUR Y or DEA TH: Using Y our Garage Door Opener Y our Security ✚ ® opener and hand-held remote control have been factory-set to a matching code which changes with each use, randomly accessing over 100 billion new codes. Y our opener will operate with up to eight Security ✚ ® remote controls and on ...

  • Chamberlain 3240 1/2 HP - page 27

    27 T o Open the Door Manually DISCONNECT TROLLEY : The door should be fully closed if possible. Pull down on the emergency release handle (so that the trolley release arm snaps into a vertical position) and lift the door manually . The lock out feature prevents the trolley from reconnecting automatically , and the door can be raised and lowered man ...

  • Chamberlain 3240 1/2 HP - page 28

    28 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 first year of operation. Pages 23 and 24 refer to the limit and force adjustments. Only a screwdriver is required. Follow the instructions carefully . Repeat the safety rever s ...

  • Chamberlain 3240 1/2 HP - page 29

    29 HA VING A PROBLEM? 1. My door will not c lose and the light bulbs blink on m y motor unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. • V erify the safety sensors are properly installed, aligned and free of any obstructions. Refer to Installation Step 10: I ...

  • Chamberlain 3240 1/2 HP - page 30

    30 Diagnostic Char t Symptom: One or both of the Indicator lights on the safety sensors do not glow stead y . • Inspect sensor wires for a short (staple in wire), correct wiring polarity (black/white wires reversed), broken or disconnected wires, replace/attach as needed. • Disconnect all wires from back of motor unit. • Remove sensors from b ...

  • Chamberlain 3240 1/2 HP - page 31

    31 *3-Button Remotes 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. T o Erase All Codes From Motor Unit Memory T o deactivate any unwanted remote, first er ...

  • Chamberlain 3240 1/2 HP - page 32

    32 1. Enter a four digit personal identification 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 (all three butto ...

  • Chamberlain 3240 1/2 HP - page 33

    33 1 6 2 3 5 4 7 9 3 N O TICE 7 U P C E I L I N G M O U N T O N L Y 10 14 8 1 11 12 L O C K L IG H T 4 6 5 6 2 13 KEY P ART NO . NO . DESCRIPTION 1 41A5273-1 Multi-function door control (3240) 2 41A4166 Lighted door control button (3130) 3 41A2828 Emergency release rope & handle 4 371LM 1-button remote control (3130) 5 373LM 3-button remote con ...

  • Chamberlain 3240 1/2 HP - page 34

    2 1 11 3 5 8 7 4 6a 6 12 13 14 14 10 9 9a 34 Motor Unit Assembly Parts KEY P ART NO . NO . DESCRIPTION 1 31C568 Drive shaft cover 2 41B4245 Line cord 3 30B620 Capacitor – 1/2 HP 30B638 Capacitor – 1/3 HP 4 41A3150 T erminal block w/screws 5 41D4671 Limit switch assembly 6 41A6241 Motor drive assy . complete 6a 20B21-1 Drive belt 7 41C4672 Screw ...

  • Chamberlain 3240 1/2 HP - page 35

    35 ACCESSORIES LOCK LIGHT C L O S E D OPE N 915LM 1702LM Outside Quick Release: Required for a garage with NO access door . Enables homeowner to open garage door manually from outside by disengaging trolley . Extension Brackets: (Optional) For safety sensor installation onto the wall or floor . 41A52 8 1 902LM/903LM Wireless Ke yless Entr y with Se ...

  • Chamberlain 3240 1/2 HP - page 36

    © 2007, The Chamberlain Group, Inc. 1 14A3331B All Rights Reserved LIFTMASTER SER VICE IS ON CALL OUR LARGE SER VICE ORGANIZA TION SP ANS AMERICA INST ALLA TION AND SER VICE INFORMA TION IS AS NEAR AS Y OUR TELEPHONE. SIMPL Y DIAL OUR TOLL FREE NUMBER: 1- 8 00-52 8 -9131 www .liftmaster .com For prof essional installation, parts and service, conta ...

Manufacturer Chamberlain Category Garage Door Opener

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All of them are important, but the most important information from the point of view of use of the device are in the user manual Chamberlain 3240 1/2 HP.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Chamberlain 3240 1/2 HP by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Chamberlain 3240 1/2 HP.

A complete Chamberlain manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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