Chamberlain 3575S User Manual

The Chamberlain Group, Inc.845 Larch AvenueElmhurst, Illinois 60126-1196www.liftmaster.comGARAGE DOOR OPENERModel 3575SFor Residential Use Only Owner’

10Clevis Pin5/16"x2-3/4"Ring FastenerINSTALLATION STEP 3Attach the Rail to the Header Bracket• Position the opener on the garage floor belo

11ONE-PIECE DOOR WITHOUT TRACKA 2x4 on its side is convenient for setting an ideal door-to-rail distance. • Remove foam packaging.• Raise the opener

12MeasureDistanceLag Screws5/16"-18x1-7/8"StructuralSupportsBracket(Not Provided)Lag Screws5/16"-18x1-7/8"(Not Provided)Bolt 5/16&

13INSTALLATION STEP 6Install the Door ControlLocate door control within sight of door, at a minimum height of 5' (1.5 m) where small children can

14INSTALLATION STEP 7Install the Light • Press the release tabs on both sides of lens. Gently rotate lens back and downward until the lens hinge is i

15INSTALLATION STEP 9Electrical RequirementsTo avoid installation difficulties, do not run the opener at this time.To reduce the risk of electric shoc

16Invisible Light BeamProtection AreaSafety Reversing Sensor6" (15 cm) max. above floorSafety Reversing Sensor6" (15 cm) max. above floorFac

17DOOR TRACK MOUNT (RIGHT SIDE)IndicatorLightLensLip SensorBracketDoorTrackFLOOR MOUNT (RIGHT SIDE)WALL MOUNT (RIGHT SIDE)IndicatorLightSensorBracketL

18Invisible Light BeamProtection AreaSafety Reversing SensorSafety Reversing SensorConnect Wire toOpener Quick-Connect TerminalsBell WireBell WireFini

19Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Contact your door manufacture

2Introduction 2-5Safety symbol and signal word review. . . . . . . . . . . . . . . 2Preparing your garage door . . . . . . . . . . . . . . . . . . .

20Header WallVerticalCenterline ofGarage DoorFinished Ceiling OptionalPlacementof DoorBracketHeaderBracketDoorBracket2x4 SupportFor a door with no exp

21INSTALLATION STEP 12Connect Door Arm to TrolleyFollow instructions which apply to your door type as illustrated below and on the following page.SECT

22ALL ONE-PIECE DOORS1. Assemble the door arm, Figure 4: • Fasten the straight and curved door arm sections together to the longest possible length (

23Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage

24ADJUSTMENT STEP 2Adjust the ForceForce adjustment controls are located on the right panel of the motor unit. Force adjustment settings regulate the

25Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage

IMPORTANT SAFETY INSTRUCTIONSUsing Your Garage Door OpenerYour Security✚® opener and hand-held remote control have been factory-set to a matching code

27Using the Wall-Mounted Door ControlTHE SMART CONTROL PANEL™Press the push bar to open or close the door. Press again to reverse the door during the

Using the Remote ControlNOTE: To activate the remote control functions, pull out the plastic pull tab protruding from the remote control housing.This

29CARE OF YOUR OPENERLIMIT AND FORCE ADJUSTMENTS:Weather conditions may cause some minor changes in door operation requiring some re-adjustments, part

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

30HAVING 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 co

Bell WireSafety Reversing SensorKG 1 3 9 7 5 KG 1 3 9 7 5 DiagnosticsLocated OnMotor UnitLED orDiagnosticLED "Learn" Button 31Installed Safe

32Meaning: This message will appear if the Safety Reversing Sensors are out of alignment, if they are blocked or if the wiring is disconnected. To cle

33*3-Button Remotes (315 MHz)If provided with your garage door opener, the large button is factory programmed to operate it. Additional buttons on any

KG13975KG139751. Press and release the “learn” button on motor unit. The learn indicator light will glow steadily for 30 seconds.2. Within 30 second

351345 62REPAIR PARTSRail Assembly PartsKEY PART NO. NO. DESCRIPTION1 4A1008 Master link kit2 41A4813 Chain pulley bracket3 41A3489 Complete

36Motor Unit Assembly PartsDNUPBrownWire(Down)ContactLIMIT SWITCH ASSY. GreyWireYellowWire(Up)ContactCenter LimitContactDriveGear2 4 3 1 15 19 817 5

37ACCESSORIES CLOSEDOPENLOCKLIGHT374LM370LM915LM395LM990LM1702LMOutside Quick Release:Required for a garage with NO access door. Enables homeowner to

38NOTES

39NOTES

FINISHED CEILINGSupport bracket& fasteninghardware is required.See page 12.Slack in chain tensionis normal whengarage door is closed.SafetyReversi

© 2008, The Chamberlain Group, Inc.114A3615 All Rights ReservedLIFTMASTER® SERVICE IS ON CALLOUR LARGE SERVICE ORGANIZATION SPANS AMERICAINSTALLA

5Your garage door opener is packaged in two cartons which contain the motor unit and all parts illustrated below. Accessories will depend on the model

Washered Bolt 5/16"-18x1/2"StyrofoamT-railHoleLock Nut6ASSEMBLY STEP 1Attach the T-Rail to the Motor UnitTo avoid installation difficulties,

IMPORTANT INSTALLATION INSTRUCTIONS7LockWasherTo Tighten Outer NutInner NutTrolleyChainBase of Rail1/2" (13 mm)To TightenInner NutOuter NutMid Le

8INSTALLATION STEP 1Determine the Header Bracket LocationInstallation procedures vary according to garage door types. Follow the instructions which ap

9INSTALLATION STEP 2Install the Header BracketYou can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow th