Chamberlain 1150-1/3HP ALL ONE-PIECE Doors, Open Door Adjustment Closed Door Adjustment

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ALL ONE-PIECE DOORS

ASSEMBLE DOOR ARM: Fasten straight and curved door arm sections together to their longest possible length. With door closed, connect straight door arm section to door bracket with a clevis pin. Secure with a ring fastener.

Before connecting door arm to trolley, limits of travel must be adjusted on one-piece doors. Limit adjustment screws are located on left side panel as shown in illustration on Page 20. Follow procedures below.

ADJUSTMENT PROCEDURES

OPEN DOOR ADJUSTMENT

CLOSED DOOR ADJUSTMENT

Decrease UP limit. Turn UP limit adjustment screw counterclockwise 4 complete turns.

Press door control button. Trolley will travel to full open position.

Manually raise door arm to open position (parallel to floor) and lift door arm to trolley. The arm should touch trolley just in back of door arm connector hole as shown in solid line drawing. If arm does not extend far enough, adjust limit further. One full turn equals 2" of door travel.

Decrease DOWN limit. Turn DOWN limit adjustment screw clockwise 8 complete turns.

Press door control button. Trolley will travel to full closed position.

Manually close door and lift door arm to trolley. The arm should touch trolley just ahead of door arm connector hole as shown in dotted line drawing. If arm is behind the connector hole, adjust limit further. One full turn equals 2" of door travel.

CONNECT DOOR ARM TO TROLLEY: With door closed, join curved arm to connector hole in trolley with remaining

clevis pin. Secure with ring fastener. NOTE: It may be necessary to lift door slightly to make connection.

Run opener through a complete travel cycle. If door has a slight 'backward' slant in full open position, decrease UP limits until door is parallel to floor.

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Contents Garage Door Opener Start by Reading These Important Safety Rules Specifications Features of Your OpenerFT T-RAIL AccessoriesStandard Remote Control Transmitter Channel Remote ControlPage HOW to Operate the Door Manually HOW to Activate the OpenerHOW the Door Moves When the Opener is Activated Check to be Sure Door Opens & Closes Fully Once a Year Maintenance of Your OpenerCare of the Opener Twice a YearAttach Chain to Sprocket Attach T-Rail To OpenerTighten the Chain Assembly Sectional Door & 1-PIECE Door with Track Installation StepExample ONE-PIECE Door Without TrackInstallation 1-PIECE Door Without Track INSTALLATION-SECTIONAL Door & 1-PIECE Door with TrackPosition the Opener Hang the Opener Operation Lighted Door Control Button Wiring Instructions for AccessoriesModels 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 Connect Door Arm to Trolley Sectional Doors InstallationALL ONE-PIECE Doors Open Door Adjustment Closed Door AdjustmentIf Opener Reverses in Fully Closed Position Limit Adjustment ChartIf Door does not Close Completely If ONE-PIECE Door does not Close CompletelyTest Down Close Force If Door Doesnt Open AT Least 5 Feet Adjust ForceForce Adjustment Chart Proceed to StepInstallation of Optional Safety Feature Test Safety Reverse SystemGarage Door Openers With Receiver Smart Code Button Radio ControlsHaving a Problem? Review Pages 2 and 3 Before Proceeding Unit Must be Grounded DUE to Power FailureOpener Lights Doesnt Turn on Doesnt Turn OFFButton Assembly Rail Assembly Parts List Installation Parts ListKEY Part Description Chassis Assembly Parts ListNot Shown Limited Warranty on Motor Liftmaster Garage Door Opener ONE-YEAR Limited Warranty

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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