Craftsman 139.53978SRT Permanent Widng Connections, Electrical Requirements, RightWrong

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Installation Step 9

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Electrical Requirements

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To reduce the risk of electric shook, your garage door opener has a grounding type plug with a third grounding pin. This plug will onlyfit into a grounding type outlet.

If the plug doesn'tfit into the outlet you have,

contact a qualified electrician to install the proper outlet.

To prevent electrocution or fire, installation and wiring must be in compliance with local electrical and building codes.

Do NOTuse an extension cord, 2-wire adapter, or change the plug in any way to make it fit your outlet.

To avoid installation difficulties, do not run the opener at this time.

RightWrong

If permanent wiring is required by your local code, refer to the following procedure:

To make a permanent connection through the 7/8" diameter hole in the top of the opener (according to local code):

•Remove the opener cover screws and set the cover aside.

•Remove the attached 3-prong cord.

•Connect the black (line) wire to the screw on the brass terminal; the white (neutral) wire to the screw on the silver terminal; and the ground wire to the green ground screw. The opener must be grounded.

•Reinstall the cover.

To avoid installation difficulties, do not run the opener at this time.

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Permanent

Widng

Connections

Ground Tab

Black

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White Wire

Wire

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Contents Garage Door Opener Start by reviewing these important safety alert symbols Instructions. Read the instructions carefullyYoull Need Tools Closed Position SafetyBased on your particular requirements, there are Closed Position One-Piece Door with TrackOne-Piece Door without Track Carton Inventory SectionSafety Reversing Sensor @ @Assembly Section Pages 8 Assembly StepHardware Shown Actual Size Install the Idler PulleyFasten the Rail to the Opener Install the Chain/Cable Attach the Sprocket Cover Master Link Clip-OnSpdng Unk CapTighten Chain = Lo Tro,.yProceed to , Installation Section Pages 12 Installation StepDetermine Header Bracket Location One-piece door without track Jamb hardware ExampleCeiling Header Bracket Installation Install the Header BracketWall Header Bracket Installation Attach the Rail to the Header Bracket Insert a ring fastener to securePosition the Opener With the door fully open and parallel to the floorInstallation Step Hang the OpenerInstall the Door Control Slide down to secure. Adjust screw for snug fitSerious injury or death Shown Actual Size UihJIlnJIlilililil IlilnInstall the Light and the Lens Install the lightInstall the lens Attach the Emergency Release Rope and HandleRightWrong Permanent Widng ConnectionsElectrical Requirements Safety Reversing System Important Information about Safety Reversing SensorSensor Safety Reversing Installing the BracketsBe sure power to the opener is disconnected Garage door track installation preferredTrouble Shooting the Safety Sensors Mounting and Wiring the Safety SensorsAligning the Safety Sensors IIIIIlllillllILllllllllllllllll Fasten Door BracketIIIIIII11111111LLLIIIIIlI NutAbove holes Connect Door Arm to TrolleyRBok Adjustment Procedures for One-Piece Doors Adjustment Section Pages 28 Adjustment Step How and When to Adjust the LimitsAdjust the UP and Down Limits Adjustment Step If the door does not close completelyAdjust the Force How and When to Adjust the ForcesTest The Safety Reversing Sensor Test the Safety Reverse SystemImportant safety check Press the remote control push button to open the doorSchedule MaintenanceTo reduce the risk of severe injury or death to persons Manual disconnect Position Operation of Your OpenerOperation of the Door Control see Receiver and Remote Control Programming If you have a Premium Control ConsoleIf you do not have a Premium Control Console SECURITY,IHaving a Problem? Situation Probable Cause and SolutionSituation Probable Cause Solution Door opens butOpener lights blink for 5 seconds Doesnt turn offInstallation Parts Repair PartsRail Assembly Parts Opener Assembly Parts Br co.tact ASSEMe,vAccessories Only through Sears Parts & ServiceFor Sectional Doors Onl With the door closedIndex Para ordenar piezas con entrega a domicilio For in-homemajor brand repair serviceSears Warranty

139.53978SRT specifications

The Craftsman 139.53978SRT is an advanced garage door opener that combines reliability, performance, and ease of use. Designed to cater to the needs of modern homeowners, this model stands out with its robust features and technological innovations.

One of the key highlights of the Craftsman 139.53978SRT is its powerful motor, delivering a peak horsepower equivalent to ensure smooth and efficient operation. This allows it to effortlessly lift even the heaviest of garage doors, making it suitable for various types of residential garage doors. The quiet operation of this opener is another major advantage, allowing for a peaceful environment in and around the garage.

Another notable feature is the smart technology integration. The Craftsman 139.53978SRT is compatible with a range of smart home systems, allowing users to control their garage door remotely via a smartphone app. This feature not only adds convenience but also enhances security, as users can receive alerts and notifications about the status of their garage door, ensuring peace of mind.

Security is a priority with this model, which comes equipped with rolling code technology. This mechanism generates a new code each time the remote is used, preventing unauthorized access and ensuring that your garage remains secure from intruders. Additionally, the enhanced safety features include safety sensors that detect obstacles, automatically reversing the door's movement if something is detected, thereby preventing accidents.

Installation and setup are straightforward, thanks to the user-friendly design of the Craftsman 139.53978SRT. The unit includes detailed instructions and all necessary hardware for installation. Many users can set it up within a few hours without the need for professional assistance.

With a durable construction, the Craftsman 139.53978SRT is built to last. It has a sleek design that complements various home aesthetics while withstanding wear and tear from daily use. Maintenance is minimal, with easy access to essential components for servicing.

In summary, the Craftsman 139.53978SRT offers a perfect blend of power, technology, and security features. Its user-friendly design, combined with smart technology compatibility and robust safety measures, makes it an ideal choice for homeowners seeking a reliable garage door opener. Whether you’re looking to upgrade an old system or install a new one, this model is sure to meet your requirements and enhance the functionality of your garage.
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