Chamberlain 2000SDR 1/2 HP User Manual

TMThe Chamberlain Group, Inc.A DUCHOSSOIS ENTERPRISE845 Larch AvenueElmhurst, Illinois 60126-1196For Residential Use Only Garage Door OpenerModel 2000

Lag Screws5/16"x9x1-5/8"HighestPoint of Travel(of Garage Door)VerticalCenterLineHeaderWallGarageDoorUPCEILING MOUNT ONLYWallMounting HolesO

Header BracketRail BracketFoam PackagingOpener Carton orTemporarySupportHeader WallGarageDoorRailClevis Pin5/16" x 2-3/4"Ring FastenerClevi

Without a properly working safety reversing sensor,persons (particularly children) could be injured or killedby a closing garage door.Read and follow

Installation Step 4Install the Safety Reversing Sensor(Receiving and Sending Eyes)FLOOR MOUNT (Right Side)WALL MOUNT (Right Side)DOOR TRACK MOUNT (Rig

14Installation Step 4 (Continued)Install the Safety Reversing SensorInvisible Light BeamProtection AreaSensorSensorBell WireFoamPackagingCarton2. Run

Installation Step 5Position the OpenerFollow instructions which apply to your doortype as illustrated.To prevent damage to steel, alumin um, fiberglas

Installation Step 6Hang the OpenerTwo representative installations are shown. Yoursmay be different. Hanging brackets should be angled,Figure 1, to pr

Installation Step 7Install the Door Control andConnect all Wiring17DO NOT CONNECT TO LIVE ELECTRICAL WIRING. CONNECTONLY TO 24 VOLT LOW VOLTAGE WIRES.

To reduce the risk of electric shock, your garage dooropener has a grounding type plug with a third groundingpin. This plug will only fit into a groun

Installation Step 10Install the Lights and LensInstallation Step 11Attach the Manual Release Rope and HandleDo not use the red handle to pull the door

Start by reviewing these important safety alert symbols: 2 Safety alert symbol review...2Safety information

Installation Step 12Fasten Door Bracket Follow instructions which apply to your door typeas illustrated below or on page 21.To prevent damage to steel

Horizontal and verticalreinforcement is needed forlightweight garage doors(fiberglass, aluminum, steel, door with glass panel, etc.).(Not Provided)Hea

Installation Step 13 Connect Door Arm to Trolley Follow instructions which apply to your door typeas illustrated below and on page 23.Make sure garag

All ONE-PIECE DoorsAssemble the Door Arm:• Fasten the straight and curved door arm sectionstogether to the longest possible length (with a 2 or 3hole

Adjustment Step 1Adjust the UP and DOWN LimitsDo not make any limit adjustments until the safetyreversing sensors are completely installed.24Limit adj

Adjustment Step 2Adjust the ForceToo much force on the door will interfere with the properoperation of the safety reverse system. The door mightnot re

Adjustment Step 4Test the Safety Reverse SystemTest• Place a one-inch board (or a 2x4 laid flat) on the floor,centered under the garage door.• Operate

The Remote Control TransmitterThe opener must learn the code of any new remotecontrol. Page 29 explains how to program your receiverand how to erase a

28Activate the opener with any of the following:• The Remote Control Transmitter. Hold push buttondown until the door starts to move.• The Door Contro

Children operating or playing with a garage door openercan injure themselves or others. The garage door couldclose and cause serious injury or death.D

3An unbalanced garage door might not reverse whenrequired and someone under the door could be seriouslyinjured or killed. If your garage door binds, s

1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, check thefuse box or the circuit breaker. (Some outlets

Having a Problem? (continued)Situation Probable Cause & SolutionThe door reverses for noapparent reason andopener lights don'tblink:The door

10UPCEILING MOUNT ONLY11143NOTICE879245461LOCKLIGHT12131The Chamberlain Group, Inc.LM Screw Drive #114A17948452 376Rail Assembly PartsInstallation Par

Repair Parts33wew Drive94DNUPBrownWire(Down)ContactLIMIT SWITCH ASSY.GreyWireYellowWire(Up)ContactCenter LimitContactDriveGear214571317169128141510611

LOCKLIGHT34Accessories Available For Your OpenerModel 971LMModel 974LMModel 970LMModel 1702LMSECURITY✚ Single-FunctionRemote ControlIncludes visor cli

IndexAccess Door/Outside Quick Release Accessory...

© 1999, The Chamberlain Group, Inc.114A2094D All Rights Reserved Printed in MexicoLIFT-MASTER SERVICEIS ON CALLOUR LARGE SERVICE ORGANIZATIONSPANS AME

4Straight DoorArm SectionCurved DoorArm SectionHeader BracketUPCEILING MOUNT ONLY2-Conductor Bell Wire White & White/RedSprocket CouplingLight L

You may find it helpful to refer back to this page as you proceed with the installation of your opener.Safety Reversing SensorHorizontal and vertical

ASSEMBLY STEP 1Fasten the Rail To the Power Unit 6The Chamberlain Group, Inc.Screw Drive LM 114A1794Attaching Rail Assembly & Coupling to Chass

ASSEMBLY STEP 3Attach the Rail Brackets7IMPORTANT INSTALLATION INSTRUCTIONSTo reduce the risk of severe injury or death to persons:1. READ AND FOLLOW

• Open your door to the highest pointof travel as shown. Draw an inter-secting horizontal line on the headerwall 3" above the high point. This

Header WallVerticalCenterlineVerticalCenterline ofGarage Door2x4UnfinishedCeilingStructural Supports2x4Header SupportOPTIONAL CEILING MOUNTFOR HEADER