Chamberlain 1150-1/3HP, 1145-1/3HP Care of the Opener, Maintenance of Your Opener, Twice a Year

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CARE OF THE OPENER

When properly installed, opener will provide high performance with a minimum of maintenance. The opener does not require additional lubrication.

Most complaints of unsatisfactory opener operation can be traced to problems with the door itself. When operated manually, a properly balanced door will stay in any point of travel while being supported entirely by its springs.

THE OPENER IS NOT INTENDED TO CORRECT ANY PROBLEMS THAT ARE CAUSED BY AN UNBALANCED OR BINDING DOOR, BROKEN DOOR SPRINGS OR BY FAULTY DOOR HARDWARE.

LIMIT AND FORCE ADJUSTMENTS: These adjustments must be checked and properly set when opener is installed. Only a screwdriver is required. Pages 20 and 21 refer to the limit and force adjustments. Follow the instructions carefully.

REPEAT THE SAFETY REVERSE TEST AFTER ANY ADJUSTMENT. Weather conditions may cause some minor changes in the door operation, requiring some readjustments, particularly during the first year of operation.

THE SAFETY REVERSE SYSTEM IS IMPORTANT (SEE GARAGE DOOR MUST REVERSE ON CONTACT WITH A 1-lNCH OBSTACLE PLACED ON THE FLOOR. FAILURE TO PROPERLY ADJUST OPENER MAY RESULT IN SERIOUS PERSONAL INJURY FROM A CLOSING GARAGE DOOR.

CHAIN TENSION ADJUSTMENT: After installation of the opener and adjustment of forces and limits, the chain may appear loose. This is normal.

TO CHECK THE CHAIN TENSION: Disconnect the trolley by pulling the red handle. If the chain returns to the position described and illustrated in Step 3 page 9, DO NOT make ANY further adjustments.

REMOTE CONTROL TRANSMITTER: The portable remote control may be secured to a car sun visor with the clip provided. Additional remotes can be purchased at any time for use in all vehicles using garage. Refer to Accessories on page 4.

Any new remotes must be set to the same code as the original remote. Code setting procedures are described on page 23.

REMOTE CONTROL BATTERY: The 12 Volt battery should produce power for at least one year. As long as there is adequate power, the transmitter battery test light will glow when the push button is pressed (and the opener will operate). When the light becomes dim or does not come on, replace the battery. If transmission range lessens, check the battery test light.

TO CHANGE BATTERY: Slide the battery compartment cover back. Discard the old battery and Position the new battery as indicated on the case.

MAINTENANCE OF YOUR OPENER

ONCE A MONTH

TWICE A YEAR

MANUALLY OPERATED DOOR. If it is unbalanced or

CHECK CHAIN TENSION. Adjust if necessary.

binding, call for professional garage door service.

 

CHECK TO BE SURE DOOR OPENS & CLOSES FULLY.

ONCE A YEAR

Adjust Limits and/or Force if necessary.

OIL DOOR ROLLERS, BEARINGS AND HINGES.

REPEAT SAFETY REVERSE TEST. Make any necessary

 

adjustments (See Page 22).

 

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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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