Chamberlain 248735 3/4 HP Manual do Utilizador

The Chamberlain Group, Inc.845 Larch AvenueElmhurst, Illinois 60126-1196www.chamberlain.comGARAGE DOOR OPENERModel 248735 3/4 HPFor Residential Use On

10To avoid possible SERIOUS INJURY to fingers from movinggarage door opener:• ALWAYS keep hand clear of sprocket while operating opener.• Securely att

11INSTALLATIONASSEMBLY STEP 5Tighten the Chain • Spin the inner nut and lock washer down the trolleythreaded shaft, away from the trolley.• To tighten

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

14INSTALLATION STEP 3Attach the Rail to the Header BracketNOTE: (Optional) With some existing installations, youmay re-use the old header bracket with

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

16INSTALLATION STEP 5Hang the OpenerThree representative installations are shown. Yours maybe different. Hanging brackets should be angled (Figure 1)t

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

18INSTALLATION STEP 7Install the Lights • Press the release tabs on both sides of lens. Gentlyrotate lens back and downward until the lens 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 Signal Wordson the following pages, they will alert you to the possibilityof serious injury or

20Invisible Light BeamProtection AreaSafety Reversing Sensor6" (15 cm) max. above floorSafety Reversing Sensor6" (15 cm) max. above floorFac

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 SAFETYREVERSING SENSORS• Slide a 1/4"-20x1/2"

23Fiberglass, aluminum or lightweight steel garage doors WILLREQUIRE reinforcement BEFORE installation of door bracket.Contact your door manufacturer

24Header WallVerticalCenterline ofGarage DoorFinished CeilingOptionalPlacementof DoorBracketHeaderBracketDoorBracket2x4 SupportFor a door with no expo

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, Figure 4:• Fasten the straight and curved door arm sectionstogether to the longest possible length (wit

27ADJUSTMENT STEP 1Adjust the UP and DOWN Travel LimitsLimit adjustment settings regulate the points at which thedoor will stop when moving up or down

28ADJUSTMENT STEP 2Adjust the ForceForce adjustment controls are located on the right panelof the motor unit. Force adjustment settings regulate theam

29Without a properly installed safety reversal system, persons(particularly small children) could be SERIOUSLY INJURED orKILLED by a closing garage do

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

30OPERATION Using Your Garage Door OpenerYour Security✚®opener and hand-held remote controlhave been factory-set to a matching code which changeswith

31Additional feature when used with the 3-Button hand-held remoteTo control the opener lights:In addition to operating the door, youmay program the re

32CARE OF YOUR OPENERLIMIT AND FORCE ADJUSTMENTS:Weather conditions may causesome minor changes in dooroperation requiring some re-adjustments, partic

33HAVING A PROBLEM?1. My door will not close and the light bulbs blink onmy motor unit: The safety reversing sensor must beconnected and aligned corre

34Installed Safety Reversing SensorSafety Reversing SensorBell WireLED or Diagnostic LED"Learn" Button KG13975KG13975DiagnosticsLocated On M

*3-Button RemotesIf provided with your garage door opener, the large buttonis factory programmed to operate it. Additional buttons onany Security✚®3-B

1. Press and release the “learn” buttonon motor unit. The learn indicator lightwill glow steadily for 30 seconds.2. Within 30 seconds, enter a four di

31542637REPAIR PARTSRail Assembly PartsKEY PARTNO. NO. DESCRIPTION1 4A1008 Master link kit2 41C5141-1 Complete trolley assembly3 41A5665-2 Complete ra

Motor Unit Assembly Parts38DNUPBrownWire(Down)ContactLIMIT SWITCHASSEMBLYGreyWireYellowWire(Up)ContactCenter LimitContactDriveGear243114188A1651791015

CLOSEDOPENLOCKLIGHT39ACCESSORIES 3-Button SECURITY✚®RemoteControl:Includes visor clip.SECURITY✚®Keyless Entry:Enables homeowner to operate garagedoor

4Safety Reversing SensorHorizontal and vertical reinforcementis needed for lightweight garage doors(fiberglass, steel, aluminum,door with glass panels

© 2008, The Chamberlain Group, Inc.114A3350C All Rights ReservedCHAMBERLAIN®SERVICEIS ON CALLOUR LARGE SERVICE ORGANIZATIONSPANS AMERICAINSTALLATION A

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

6Straight DoorArm SectionCurved DoorArm SectionSafety LabelsandLiterature2-Conductor Bell WireWhite & White/RedChain and CableChain SpreaderHangin

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

FRONT RAIL(TOP)KEEP LARGERHOLE ON TOP8ASSEMBLY STEP 1Assemble the Rail & Install the TrolleyTo avoid installation difficulties, do not run thegara

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