Chamberlain 1160-1/2HP, 1145-1/3HP, 1150-1/3HP Start by Reading These Important Safety Rules

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START BY READING THESE IMPORTANT SAFETY RULES

THIS SAFETY ALERT SYMBOL MEANS CAUTION—PERSONAL SAFETY OR PROPERTY DAMAGE INSTRUCTION. READ THESE INSTRUCTIONS CAREFULLY.

THIS GARAGE DOOR OPENER IS DESIGNED AND TESTED TO OFFER REASONABLY SAFE SERVICE PROVIDED IT IS INSTALLED AND OPERATED IN STRICT ACCORDANCE WITH THE FOLLOWING SAFETY INSTRUCTIONS.

FAILURE TO COMPLY WITH THE FOLLOWING INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL INJURY OR PROPERTY DAMAGE.

CAUTION: IF YOUR GARAGE HAS NO SERVICE ENTRANCE DOOR, INSTALL MODEL 7702 EMERGENCY RELEASE KEYLOCK. THIS ACCESSORY ALLOWS MANUAL OPERATION OF THE GARAGE DOOR FROM OUTSIDE IN CASE OF POWER FAILURE.

KEEP GARAGE DOOR BALANCED. Sticking or binding doors must be repaired. Garage doors, door springs, cables, pulleys, brackets and their hardware are under extreme tension and can cause serious personal injury. DO NOT ATTEMPT TO LOOSEN, MOVE OR ADJUST THEM. Call for garage door service.

DO NOT WEAR RINGS, WATCHES OR LOOSE CLOTHING while Installing or servicing a garage door opener.

To avoid serious personal injury from

entanglement, REMOVE ALL THE ROPES CONNECTED TO GARAGE DOOR before installing the garage door opener.

DISENGAGE ALL EXISTING GARAGE DOOR LOCKS to avoid damage to garage door.

Installation and wiring must be in compliance with your local building and electrical codes.CONNECT

THE POWER CORD ONLY TO A PROPERLY GROUNDED OUTLET.

LIGHTWEIGHT DOORS OF FIBERGLASS,

ALUMINUM OR STEEL MUST BE SUBSTANTIALLY REINFORCED TO AVOID DOOR DAMAGE. (See page 17.) The best solution is to check with your garage door manufacturer for an opener installation reinforcement kit.

DO NOT USE THE FORCE ADJUSTMENTS TO COMPENSATE FOR A BINDING OR STICKING garage door. Excessive force will interfere with the proper operation of the safety reverse system or damage the garage door (page 21).

THE SAFETY REVERSE SYSTEM TEST IS VERY IMPORTANT (page 22). Your garage door MUST reverse on contact with a 1-inch obstacle placed on the floor. Failure to properly adjust the opener may result in serious personal injury from a closing garage door. REPEAT THE TEST ONCE A MONTH AND MAKE ANY NEEDED ADJUSTMENTS.

Fasten the CAUTION LABEL adjacent to the door control button as a reminder of safe operating procedures.

Install door control button (or any additional push buttons) IN A LOCATION WHERE GARAGE DOOR IS VISIBLE, BUT OUT OF THE REACH OF CHILDREN. DO NOT ALLOW CHILDREN TO OPERATE PUSH BUTTON(S) OR REMOTE CONTROL TRANSMITTER. Serious personal injury from a closing garage door may result from misuse of the opener.

CAUTION: Activate opener only when the door is in full view, free of obstructions and opener is properly adjusted. NO ONE SHOULD ENTER OR LEAVE THE GARAGE WHILE DOOR IS IN MOTION. DO NOT ALLOW CHILDREN TO PLAY NEAR THE DOOR.

Use manual release ONLY to disengage the trolley and, if possible, ONLY when the door Is closed. DO NOT USE THE RED HANDLE TO PULL DOOR OPEN OR CLOSED.

DISCONNECT ELECTRIC POWER TO GARAGE DOOR OPENER BEFORE MAKING REPAIRS OR REMOVING COVERS.

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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 the Door Moves When the Opener is Activated HOW to Activate the OpenerHOW to Operate the Door Manually 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 ExamplePosition the Opener INSTALLATION-SECTIONAL Door & 1-PIECE Door with TrackInstallation 1-PIECE Door Without Track Hang the Opener Wiring Instructions for Accessories Operation Lighted Door Control ButtonModels 1160 and 1150 only Attach Manual Release Rope & Handle Connect Electric PowerProcedure for Permanent Wiring if required by local codes Fasten Door Bracket and Plate Sectional Door Installation ProcedureAll One-Piece Door Installation Procedure 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 AssemblyNot Shown Chassis Assembly Parts ListKEY Part Description 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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