Chamberlain 1150-1/3HP, 1145-1/3HP Installation Step, Sectional Door & 1-PIECE Door with Track

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INSTALLATION STEP 1

Position and Install Header Bracket

Installation procedures vary according to garage door types. Follow the instructions which apply to your door.

THE HEADER BRACKET MUST BE RIGIDLY FASTENED TO HEADER WALL. REINFORCE WALL WITH A 2x4 IF NECESSARY. FAILURE TO COMPLY MAY RESULT IN IMPROPER OPERATION OF SAFETY REVERSE SYSTEM (SEE PAGE 22).

SECTIONAL DOOR & 1-PIECE DOOR WITH TRACK

1.Close door and mark the inside vertical centerline of garage door. Extend the line onto header wall above door.

2.Open door to highest point of travel as shown. Draw an intersecting horizontal line on header wall 2" above high point. This height will provide travel clearance for top edge of door.

NOTE: When the headroom is not sufficient for 2" clearance, the bottom edge of bracket may be placed in line with the door's high point of travel.

3.Position bracket as shown (centered on vertical guideline with bottom edge of bracket on horizontal line).

Mark either top and bottom or left and right bracket holes. Drill 3/16" pilot holes and fasten bracket.

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Contents Garage Door Opener Start by Reading These Important Safety Rules Features of Your Opener SpecificationsChannel Remote Control AccessoriesStandard Remote Control Transmitter FT T-RAILPage HOW to Operate the Door Manually HOW to Activate the OpenerHOW the Door Moves When the Opener is Activated Twice a Year Maintenance of Your OpenerCare of the Opener Check to be Sure Door Opens & Closes Fully Once a YearAttach T-Rail To Opener Attach Chain to SprocketTighten the Chain Assembly Installation Step Sectional Door & 1-PIECE Door with TrackONE-PIECE Door Without Track ExampleInstallation 1-PIECE Door Without Track INSTALLATION-SECTIONAL Door & 1-PIECE Door with TrackPosition the Opener Hang the Opener Wiring Instructions for Accessories Operation Lighted Door Control ButtonModels 1160 and 1150 only Procedure for Permanent Wiring if required by local codes Connect Electric PowerAttach Manual Release Rope & Handle All One-Piece Door Installation Procedure Sectional Door Installation ProcedureFasten Door Bracket and Plate Sectional Doors Installation Connect Door Arm to TrolleyOpen Door Adjustment Closed Door Adjustment ALL ONE-PIECE DoorsIf ONE-PIECE Door does not Close Completely Limit Adjustment ChartIf Door does not Close Completely If Opener Reverses in Fully Closed PositionProceed to Step Adjust ForceForce Adjustment Chart Test Down Close Force If Door Doesnt Open AT Least 5 FeetTest Safety Reverse System Installation of Optional Safety FeatureRadio Controls Garage Door Openers With Receiver Smart Code ButtonHaving a Problem? Review Pages 2 and 3 Before Proceeding Doesnt Turn OFF DUE to Power FailureOpener Lights Doesnt Turn on Unit Must be GroundedRail Assembly Parts List Installation Parts List Button AssemblyKEY Part Description Chassis Assembly Parts ListNot Shown Liftmaster Garage Door Opener ONE-YEAR Limited Warranty Limited Warranty on Motor

1160-1/2HP, 1145-1/3HP, 1150-1/3HP specifications

The Chamberlain 1150-1/3HP, 1145-1/3HP, and 1160-1/2HP garage door openers represent a pinnacle of performance and reliability in the world of residential garage automation. Each model combines innovative technology with essential features to provide homeowners with the convenience and security they need.

The Chamberlain 1150-1/3HP is designed for standard single and double garage doors. Its powerful 1/3 horsepower motor ensures smooth and efficient operation, making it an ideal choice for everyday use. One standout feature is its ultra-quiet operation, thanks to the built-in soft start and stop system. This technology minimizes noise, making it perfect for homes with living spaces adjacent to the garage. Additionally, the opener comes equipped with MyQ technology, enabling users to monitor and control their garage door from anywhere using a smartphone app.

Moving on to the Chamberlain 1145-1/3HP, this model shares many features with the 1150 but enhances security with its wireless keypad and remote control capabilities. The wireless keypad allows for keyless entry, providing users with the flexibility to open the garage door with a simple code. This feature is particularly useful for families or when handing over access to trusted individuals, such as service personnel.

Finally, the Chamberlain 1160-1/2HP takes performance up a notch with its more powerful motor, capable of handling heavier doors. The 1/2 horsepower motor ensures increased lifting capacity and improved durability, making it suitable for larger or insulated garage doors that may require more force to operate. Like its counterparts, the 1160 is also compatible with MyQ technology, allowing for seamless smartphone integration.

All three models feature a robust design with a steel-reinforced belt drive system that offers strength and reliability. Safety features such as the SecureCode technology ensure that the remote control codes cannot be easily copied, enhancing security for your home. Additionally, they include safety reversing systems that stop and reverse the door if an obstacle is detected, ensuring safe operation for families.

In summary, the Chamberlain 1150-1/3HP, 1145-1/3HP, and 1160-1/2HP garage door openers are distinguished by their blend of power, quiet operation, advanced security features, and smart technology. Ideal for any homeowner seeking convenience and peace of mind, these models stand out as exceptional choices in the realm of garage door automation.
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