Chamberlain WD952LD User Manual

The Chamberlain Group, Inc.845 Larch AvenueElmhurst, Illinois 60126-1196www.chamberlain.comGARAGE DOOR OPENERModels WD952LDWD952KDFor Residential Use

ASSEMBLY STEP 4Install the Belt and Attach the Belt Cap Retainer1. Pull the belt around the idler pulley and toward thetrolley. The ribbed side must c

11INSTALLATIONASSEMBLY STEP 5Set the Tension• Insert a screwdriver tip into one of the nut ringslots and brace it firmly against the trolley.• Place a

12INSTALLATION STEP 1Determine the Header BracketLocationInstallation procedures vary according to garage doortypes. Follow the instructions which app

13Lag Screws5/16"x9x1-5/8"— Finished Ceiling —DoorSpringHeader WallUPCeiling Mounting Holes6" (15 cm) MaximumHeaderBracketVerticalCente

Header BracketIdler PulleyHeader WallOPTION WITHSOME EXISTING INSTALLATIONSHeaderBracketMounting HoleExistingHeader BracketSpacerMountingHoleExistingC

15ONE-PIECE DOOR WITHOUT TRACKA 2x4 on its side is convenient for setting an idealdoor-to-rail distance. • Remove foam packaging.• Raise the opener on

16INSTALLATION STEP 5Hang the OpenerThree representative installations are shown. Yoursmay be different. Hanging brackets should beangled, Figure 1, t

17To prevent possible SERIOUS INJURY or DEATH fromelectrocution:• Be sure power is not connected BEFORE installing doorcontrol.• Connect ONLY to 24 VO

18INSTALLATION STEP 7Install the Lights • Press the release tabs on both sides of lens.Gently rotate lens back and downward until thelens hinge is in

19INSTALLATION STEP 9Electrical RequirementsTo avoid installation difficulties, do not run theopener at this time.To reduce the risk of electric shock

2TABLE OF CONTENTSWhen you see these Safety Symbols and SignalWords on the following pages, they will alert you tothe possibility of serious injury or

20Invisible Light BeamProtection AreaSensor Beam6" (15 cm) max.above floorSensor Beam6" (15 cm) max.above floorFacing the door from inside t

21DOOR TRACK MOUNT (RIGHT SIDE)IndicatorLightLensLip SensorBracketDoorTrackFLOOR MOUNT (RIGHT SIDE)WALL MOUNT (RIGHT SIDE)IndicatorLightSensorBracketL

22Carriage Bolt 1/4"-20x1/2"LensWing Nut1/4"-20Figure 5MOUNTING AND WIRING THE SAFETY SENSORS• Slide a 1/4"-20x1/2" carriage

23INSTALLATION STEP 11Fasten the Door Bracket Follow instructions which apply to your door typeas illustrated below or on the following page.A horizon

24ONE-PIECE DOORS Please read and comply with the warnings andreinforcement instructions on the previous page.They apply to one-piece doors also.• Cen

25INSTALLATION STEP 12Connect Door Arm to TrolleyFollow instructions which apply to your door type asillustrated below and on the following page.SECTI

26ALL ONE-PIECE DOORS1. Assemble the Door Arm:• Fasten the straight and curved door arm sectionstogether to the longest possible length (with a 2or 3

27ADJUSTMENT STEP 1Program the Travel LimitsTravel limits regulate the points at which thedoor will stop when moving up or down. Followthe steps below

28ADJUSTMENT STEP 2Setting the ForceThe force setting button is located on the backpanel of the motor unit. The force settingmeasures the amount of fo

29Without a properly installed safety reversal system,persons (particularly small children) could beSERIOUSLY INJURED or KILLED by a closing garagedoo

3To prevent damage to garage door and opener:• ALWAYS disable locks BEFORE installing and operatingthe opener. • ONLY operate garage door opener at 12

OPERATION 30Using Your Garage Door OpenerYour Security✚®opener and hand-held remotecontrol have been factory-set to a matching codewhich changes with

31To Open the Door ManuallyDISCONNECT THE TROLLEY:The door should be fullyclosed if possible. Pull downon the emergency releasehandle (so that the tro

To prevent possible SERIOUS INJURY or DEATH fromelectrocution, disconnect power to motor unit BEFOREproceeding.WARNINGCAUTIONWARNINGWARNINGMounting th

33Battery Backup Unit (BBU) DiagnosticsGREEN LED: All systems are normal.• A solid LED light indicates the batteries are fullycharged.• A flashing LED

34CARE OF YOUR OPENERMAINTENANCE SCHEDULEOnce a Month• Manually operate door. If it is unbalanced orbinding, call a trained door systems technician.•

6. My motor unit hums briefly:• First verify that the trolley is against the stop bolt.• Release the door from the opener by pulling theEmergency Rele

36Installed Safety SensorSafety SensorBell Wire“Learn” ButtonLED or Diagnostic LEDDiagnosticsLocated On Motor UnitYour garage door opener is programm

*3-Button RemotesIf provided with your garage door opener, the largebutton is factory programmed to operate it. Additionalbuttons on any Security✚®3-B

1. Enter a four digit personalidentification number (PIN) of yourchoice on the keypad. Then pressand hold ENTER.2. While holding the ENTER button,pres

81095NOTICE643212137111LOCKLIGHT1235467Installation Parts39REPAIR PARTSRail Assembly PartsKEY PARTNO. NO. DESCRIPTION1 4A1008 Master link kit2 41C5141

4Safety Reversing SensorHeader WallAccess Door — — — — — — — —SafetyReversingSensorGap between floor and bottom of doormust not exceed 1

Motor Unit Assembly Parts4023456789101112113KEY PARTNO. NO. DESCRIPTION1 41C76 Belt cap and sprocket2 41B4245 Line cord3 41B4375-3 Terminal block w/sc

41ACCESSORIES LOCKLIGHTCLOSEDOPENLOCKLIGHT3-Button SECURITY✚®RemoteControl:Includes visor clip.SECURITY✚®Keyless Entry:Enables homeowner to operategar

42NOTES

43NOTES

© 2005, The Chamberlain Group, Inc.114A3056B All Rights Reserved Printed in MexicoCHAMBERLAIN SERVICEIS ON CALLOUR LARGE SERVICE ORGANIZATIONSPANS AME

5AccessDoorSafetyReversing SensorSafetyReversingSensorGap between floor and bottom of doormust not exceed 1/4" (6 mm).GarageDoorHeaderWallHeaderB

6Straight DoorArm SectionCurved DoorArm SectionSafety LabelsandLiterature2-Conductor Bell WireWhite & White/RedIdler PulleyHanging Bracket(2) Safe

7MasterLink (2) Idler Bolt (1)Nut3/8" (1)Trolley Threaded Shaft (1)Bolt 1/4"-20x1-3/4" (2)Lock Washer3/8" (1)Lock Nut1/4"-20

8ASSEMBLY STEP 1Assemble the Rail & Install the TrolleyTo avoid installation difficulties, do not run thegarage door opener until instructed to do

9To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top ofthe opener.ASSEMBLY STEP 2Fasten the Rail to the M