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Manual Chamberlain WHISPER DRIVE 248739

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  • Chamberlain WHISPER DRIVE 248739 - page 1

    The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1 196 www .chamberlain.com GARAGE DOOR OPENER Model 248739 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 Prot ...

  • Chamberlain WHISPER DRIVE 248739 - page 2

    2 T ABLE 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 Wor ...

  • Chamberlain WHISPER DRIVE 248739 - page 3

    3 T o prevent damage to garage door and opener: • AL W A 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 INJUR Y or DEA TH: • AL W A YS call a trained door systems technician if garage door binds, sticks, or is out of ...

  • Chamberlain WHISPER DRIVE 248739 - page 4

    4 Safety Reversing Sensor Header Wall Access Door — — — — — — — — Safety Reversing Sensor Gap between floor and bottom of door must not exceed 1/4" (6 mm). Extension Spring Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See page 23 for de ...

  • Chamberlain WHISPER DRIVE 248739 - page 5

    5 Access Door Safety Re v ersing Sensor Safety Re v ersing Sensor Gap b et w een floor and b ottom of door m u st not exceed 1/4" (6 mm). Garage Door Header W all Header Bracket Door Bracket Straight Door Arm C u r v ed Door Arm Trolley Emergency Release Rope & Handle Rail Belt Trolley Stop Bolt CLOSED POSITION Planning (Continued) ONE-PIE ...

  • Chamberlain WHISPER DRIVE 248739 - page 6

    6 SECURITY ✚ ® 3-B u tton Remote Control (2) Belt C u r v ed Door Arm Section Safety La b els and Literat u re Straight Door Arm Section Hanging Brackets M u lti-F u nction Door Control Panel Belt Cap Retainer Door Bracket LOCK LIG HT (2) Safety Re v ersing Sensors (1 Sending Eye and 1 Recei v ing Eye) w ith 2-Cond u ctor W hite & W hite/Bla ...

  • Chamberlain WHISPER DRIVE 248739 - page 7

    7 Master Link (2) Idler Bolt (1) Nu t 3/ 8 " (1) Trolley Threaded Shaft (1) Bolt 1/4"-20x1-3/4" (2) Lock W asher 3/ 8 " (1) Lock Nu t 1/4"-20 (2) Spacer (2) W ing Nu t 1/4"-20 (2) Carriage Bolt 1/4"-20x1/2" (2) Handle Nu t 5/16"-1 8 ( 8 ) Ring Fastener (3) Ins u lated Staples (30) Dry w all Anchors (2) C ...

  • Chamberlain WHISPER DRIVE 248739 - page 8

    FRONT RAIL (TOP) KEEP LARGER HOLE O N TOP 8 ASSEMBL Y STEP 1 Assemble the Rail & Install the T rolley T o avoid installation difficulties, do not run the garage door opener until instructed to do so. Front Rail (T O DOOR) W indo w C u t-O u t Scre w dri v er Idler P u lley Hole Ta b s Back Rails (T O MOT OR UNIT) T rolley T apered End T apered ...

  • Chamberlain WHISPER DRIVE 248739 - page 9

    9 T o avoid SERIOUS damage to garage door opener , use ONL Y those bolts/fasteners mounted in the top of the opener . ASSEMBL Y STEP 2 Fasten the Rail to the Motor Unit • Insert a 1/4"-20x1-3/4 bolt into the cover protection bolt hole on the back end of the rail as shown. T ighten securely with a 1/4"-20 lock nut. Do NOT overtighten. ? ...

  • Chamberlain WHISPER DRIVE 248739 - page 10

    ASSEMBL Y STEP 4 Install the Belt and Attach the Belt Cap Retainer 1. Pull the belt around the idler pulley and toward the trolley . The ribbed side must contact the pulley . 2. Hook the trolley connector into the retaining slot on the trolley as shown. 3. With the trolley against the screwdriver , dispense the remainder of the belt along the rail ...

  • Chamberlain WHISPER DRIVE 248739 - page 11

    11 INST ALLA TION ASSEMBL Y STEP 5 Set the T ension • Insert a screwdriver tip into one of the nut ring slots and brace it firmly against the trolley . • Place a 7/16" open end wrench on the square end. Rotate the nut about 1/4 turn until the spring releases and snaps the nut ring against the trolley . This sets the spring to optimum belt ...

  • Chamberlain WHISPER DRIVE 248739 - page 12

    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 within ...

  • Chamberlain WHISPER DRIVE 248739 - page 13

    13 Lag Scre w s 5/16"x9x1-5/ 8 " – Finished Ceilin g – Door Spring Header W all UP Ceiling Mo u nting Holes 6" (15 cm) Maxim u m Header Bracket Vertical Centerline of Garage Door Garage Door Vertical Centerline of Garage Door INST ALLA TION STEP 2 Install the Header Bracket Y ou can attach the header bracket either to the wall ab ...

  • Chamberlain WHISPER DRIVE 248739 - page 14

    14 INST ALLA TION STEP 3 Attach the Rail to the Header Bracket NOTE: (Optional) With some existing installations, you may re-use the old header bracket with the two plastic spacers included in the hardware bag. Place the spacers inside the bracket on each side of the rail, as illustrated. • Position the opener on the garage floor below the header ...

  • Chamberlain WHISPER DRIVE 248739 - page 15

    15 ONE-PIECE DOOR WITHOUT TRACK 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 WHISPER DRIVE 248739 - page 16

    INST ALLA TION STEP 5 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 are ...

  • Chamberlain WHISPER DRIVE 248739 - page 17

    T o prevent possible SERIOUS INJURY or DEA TH from electrocution: • Be sure power is not connected BEFORE installing door control. • Connect ONL Y to 24 VOL T low voltage wires. T o prevent possible SERIOUS INJURY or DEA TH from a closing garage door: • Install door control within sight of garage door , out of reach of children at a minimum h ...

  • Chamberlain WHISPER DRIVE 248739 - page 18

    18 INST ALLA TION STEP 7 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 WHISPER DRIVE 248739 - page 19

    INST ALLA TION STEP 9 Electrical Requirements T o avoid 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, conta ...

  • Chamberlain WHISPER DRIVE 248739 - page 20

    20 In v isi b le Light Beam Protection Area Safety Re v ersing Sensor 6" (15 cm) max. a b o v e floor Safety Re v ersing Sensor 6" (15 cm) max. a b o v e floor Facing the door from inside the garage INST ALLA TION STEP 10 Install The Protector System ® The safety reversing sensor must be connected and aligned correctly before the garage ...

  • Chamberlain WHISPER DRIVE 248739 - page 21

    21 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 Garage Wall (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 MOUNT ...

  • Chamberlain WHISPER DRIVE 248739 - page 22

    Carriage Bolt 1/4"-20x1/2" Lens W ing Nu t 1/4"-20 Figure 5 MOUNTING AND WIRING THE SAFETY REVERSING 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 ...

  • Chamberlain WHISPER DRIVE 248739 - page 23

    23 Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Contact your door manufacturer for reinforcement kit. WARN ING CAUTION WARN ING WARN ING INST ALLA TION STEP 11 Fasten the Door Bracket Follow instructions which apply to your door type as illustrated below or on the following p ...

  • Chamberlain WHISPER DRIVE 248739 - page 24

    24 Header W all V ertical Centerline of Garage Door Finished Ceilin g Optional Placement of Door Bracket Header Bracket Door Bracket 2x4 Support For a door with no exposed framing, or for the optional installation, use lag screws 5/16"x1-1/2" (Not Provided) to fasten door bracket. MET AL DOOR T op of Door (Inside Garage) Door Bracket Opti ...

  • Chamberlain WHISPER DRIVE 248739 - page 25

    25 INST ALLA TION STEP 12 Connect Door Arm to T rolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONL Y • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley . Slide the outer trolley back (away from t ...

  • Chamberlain WHISPER DRIVE 248739 - page 26

    ALL ONE-PIECE DOORS 1. Assemble the door arm, Figure 4: • 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 the door bracket with the 5/16"x1-1/4" clevis pin. • Secure with a ring fastener . 2. Adjust ...

  • Chamberlain WHISPER DRIVE 248739 - page 27

    27 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 WHISPER DRIVE 248739 - page 28

    28 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. Weat ...

  • Chamberlain WHISPER DRIVE 248739 - page 29

    29 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 ever y month. • If one control (force or travel limits) is adjusted, the other control may also need adjustment. • After ANY adjustments are made ...

  • Chamberlain WHISPER DRIVE 248739 - page 30

    30 OPERA TION 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 one Security ✚ ® Keyless Entry System. If you pu ...

  • Chamberlain WHISPER DRIVE 248739 - page 31

    31 T o Open the Door Manually DISCONNECT THE 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 lockout feature prevents the trolley from reconnecting automatically , and the door can be raised and lowered ...

  • Chamberlain WHISPER DRIVE 248739 - page 32

    32 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 27 and 28 refer to the limit and force adjustments. Only a screwdriver is required. Follow the instructions carefully . Repeat the safety reverse ...

  • Chamberlain WHISPER DRIVE 248739 - page 33

    33 HA VING 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 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: Ins ...

  • Chamberlain WHISPER DRIVE 248739 - page 34

    34 Installed Safety Re v ersing Sensor Safety Re v ersing Sensor Bell W ire LED or Diagnostic LED "Learn" B u tton KG 1 3 9 7 5 KG 1 3 9 7 5 Diagnostics Located On Motor Unit Y our garage door opener is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will flash a number of times then pause signifying it ...

  • Chamberlain WHISPER DRIVE 248739 - page 35

    *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 compact 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 WHISPER DRIVE 248739 - page 36

    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 buttons ...

  • Chamberlain WHISPER DRIVE 248739 - page 37

    7 10 12 5 NO TIC E 6 4 3 2 9 13 8 1 LOCK L IG HT 11 1 2 3 5 4 6 7 Installation Parts 37 REP AIR P AR TS Rail Assembly Parts KEY P ART NO. NO. DESCRIPTION 1 4A1008 Master link kit 2 41C5141-2 Complete trolley assembly 3 41A5665-2 Complete rail 4 41B4103 Spring trolley nut 5 144C54 Idler pulley 6 41A5250 Full belt assembly 7 41D598-1 “U” bracket ...

  • Chamberlain WHISPER DRIVE 248739 - page 38

    Motor Unit Assembly Parts 38 D N UP Bro w n W ire (Do w n) Contact LIMIT SWITCH ASSEMBL Y Grey W ire Y ello w W ire (Up) Contact Center Limit Contact Dri v e Gear 2 4 3 7 1 12 15 7 5 8 9 17 19 18 6 10 11 16 13 14 KEY P ART NO. NO. DESCRIPTION 1 41A4371 Belt cap retainer 2 41A4885-5 Gear and sprocket assembly . Complete with: Spring washer , thrust ...

  • Chamberlain WHISPER DRIVE 248739 - page 39

    39 LOCK LIGHT C LO S E D O P E N LOCK L IG HT 3-Button SECURITY ✚ ® Remote Control: Includes visor clip. SECURITY ✚ ® Keyless Entry: Enables homeowner to operate garage door opener from outside by entering a password on a specially designed keyboard. Also can add a temporary password for visitors or service persons. This temporary password ca ...

  • Chamberlain WHISPER DRIVE 248739 - page 40

    © 2007, The Chamberlain Group, Inc. 1 14A3351B All Rights Reserved CHAMBERLAIN ® SER VICE IS ON CALL OUR LARGE SERVICE ORGANIZA TION SP ANS AMERICA INST ALLA TION AND SER VICE INFORMA TION IS AS NEAR AS YOUR TELEPHONE. SIMPL Y DIAL OUR T OLL FREE NUMBER: 1-800-528-9131 www .chamberlain-diy .com For professional installation, parts and service, co ...

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 WHISPER DRIVE 248739.

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