Chamberlain Series 1200 User Manual

Garage Door OpenerFor Residential Use Only(Model Series 1200 - Canada )Model 1260 - 1/2HPModel 1250 - 1/3HPModel 1255 - 1/2HPModel 1245 - 1/3HP®O

UPLag Screws5/16"x18x1-7/8"GarageDoorVerticalCenter LineHeaderWallFinishedCeilingHeaderBracket6" MaximumVerticalCenter LineDoor

HeaderBracketChainPulleyBracketTemporarySupportHeader WallGarageDoorT-railClevis Pin5/16"x2-3/4 "Ring FastenerHeader BracketChainPulleyBrack

Installation Step 4Position the OpenerFollow instructions which apply to your door typeas illustrated.To prevent damage to steel, aluminum,fiberglass

Installation Step 5Hang the OpenerTwo representative installations are shown.Yours may be different. Hanging brackets shouldbe angled, Figure 1, to pr

Installation Step 6Install the Door Control 14Children operating or playing with a garagedoor opener can injure themselves or others.The garage door c

Lens Slot75 Watt Max.Light BulbLens TabLightLens ScrewPanelInstall the light(s)• Install a 75 watt maximum light bulb in eachsocket. The light(s) will

To reduce the risk of electric shock, your garagedoor opener has a grounding type plug with a thirdgrounding pin. This plug will onlyfit into a ground

The safety reversing sensor mustbe connectedand aligned correctly before the garage dooropener will move in the down direction. This is arequired safe

1/4x1-1/2"Lag Screw#10-32x3/8"Screw1/4"-20Lock Nut#10x32Lock NutStaples1/4"-20x1/2"Carriage BoltsInstallation Step

Invisible Light BeamProtection AreaSensorSensorConnect Wire toOpener TerminalsBell WireBell WireFinishedCeilingOPENER TERMINAL SCREWSSensorConnections

Start by reviewing these important safety alert symbols2CONTENTS PAGEA review of safety alert symbols ...2You'll need

Installation Step 11Fasten Door Bracket Follow instructions which apply to your door typeas illustrated below or on page 21.To prevent damage to ste

Horizontal and verticalreinforcement is needed forlightweight garage doors(fiberglass, aluminum, steel, door with glass panel, etc.).Header WallVe

Installation Step 12 Connect Door Arm to TrolleyFollow instructions which apply to your door typeas illustrated below and on page 23.Make sure garage

All ONE-PIECE DoorsAssemble the Door Arm:• Fasten the straight and curved door arm sectionstogether to the longest possible length (with a 2 or3 hole

Adjustment Step 1Adjust the UP and DOWN LimitsDo not make any limit adjustments until thesafety reversing sensors are completelyinstalled.24Limit adju

Adjustment Step 2Adjust the ForceToo much force on the door will interfere withthe proper operation of the safety reversesystem. The door might not re

Adjustment Step 4Test the Safety Reverse SystemTest:• Place a 2x4 laid flat on the floor, centered underthe garage door.• Operate the door in the down

The remote control transmitter:The opener must learn the code of any new remotecontrol. Page 29 explains how to program yourreceiver and how to erase

28Operation of Your OpenerTo open the doormanually:The door should befully closed if possible. Pull down onthe red manualrelease handle and liftthe do

Children operating or playing with a garagedoor opener can injure themselves or others.The garage door could close and causeserious injury or death.Do

PliersWire CuttersClaw HammerHack SawScrewdriverAdjustable End Wrench1/2" and 7/16" Socketsand WrenchDrillTape Measure21StepladderPencil3/16

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

The chain droopsor sags:It is normal for the chain to droop slightly in the closed door position. Use the manualrelease rope and handle to disconnect

10UPCEILING MOUNT ONLY7121412VDC3LIGHTLOCK1245NOTICE6981113151621345RAIL GREASENO. 83A46Rail Assembly PartsInstallation Parts32KEY PARTNO. NO. DESCRIP

Repair PartsOpener Assembly Parts1211914151617205463DNUPBrownWire(Down)ContactLIMIT SWITCH ASSY.GreyWireYellowWire(Up)ContactCenter LimitContactDriveG

1 23 45 67 89 0ENTERLIGHTLOCKModel 58LMCModel 64LMCModel 99LMCModel 60LMCMulti-Function Mini RemoteControl:With key ring & Velcro fasteningst

IndexAccess Door/Outside Quick Release Accessory...4, 34Electri

LIFT-MASTER SERVICEIS ON CALLOUR LARGE SERVICE ORGANIZATIONSPANS AMERICA AND CANADAINSTALLATION AND SERVICE INFORMATION IS ASNEAR AS YOUR TELEPHONE SI

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

5Straight DoorArm SectionDoor Bracket Plate Door BracketCurved DoorArm SectionSafety LabelsandLiteratureHeader BracketUPCEILING MOUNT ONLYSafety Rever

Assembly Step 1Attach the T-rail to the OpenerTo fasten rail, use only those screws mountedin top of the opener. Failure to do so will causeserious da

Assembly Step 3Tighten the Chain7IMPORTANT INSTALLATION INSTRUCTIONSTo reduce the risk of severe injury or death to persons:1. READ AND FOLLOW ALL IN

• Open your door to the highestpoint of travel as shown. Drawan intersecting horizontal lineon the header wall 2" abovethe high point. This heigh

9Header WallVerticalCenterlineVerticalCenterline ofGarage Door2x4UnfinishedCeilingStructuralSupports2x4OPTIONAL CEILING MOUNTFOR HEADER BRACKET• Close