MOUNTING AND WIRING THE SAFETY SENSORS

•Slide a 1/4"-20xl/2" carriage bolt head into the slot on each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed by a bracket extension (Figure 5).

•Finger tighten the wing nuts.

Recommended Wire Routing

1.Using insulated staples, run the wires from both sensors to the rail at the door header (Figure 6).

2.Run the wires through wire clip at the top of the rails. NOTE: If your access door is near the garage door, you may choose to install the door control at this time and run the door control wire along the rail with the sensor wires. If you choose this option, follow instructions 1-3 on page 20.

Figure 6

Sensor Wire

Wire Clip

Safety Reversing

Sensor

Figure 5

Wing Nut 1/4"-20

CarriageBolt_

1/4"-20xl/2"

Lens

HARDWARE SHOWN ACTUAL SIZE

Carriage Bolt

Wing Nut

Staples

Wire Clip

1/4"-20xl/2"

1/4"-20

 

 

Bell Wire

Invisible Light Beam

Protection Area

Safety Reversing

Sensor

17

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Craftsman 139.53993D owner manual Mounting and Wiring the Safety Sensors, Recommended Wire Routing
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139.53993D specifications

The Craftsman 139.53993D is a top-tier garage door opener designed for efficiency, convenience, and durability. This model is part of Craftsman's renowned lineup, known for reliable home improvement products. With its advanced features and technology, this garage door opener offers users a blend of functionality and modern convenience.

One of the standout features of the Craftsman 139.53993D is its powerful motor. Equipped with a robust 1/2 horsepower motor, it delivers strong lifting power, making it suitable for handling standard residential garage doors with ease. This strength ensures a smooth and reliable operation, even for heavier doors.

The technology integrated into the Craftsman 139.53993D significantly enhances security. This model utilizes a rolling code technology that changes the code each time the remote is used, making it nearly impossible for intruders to gain access. The safety features extend to the presence of an infrared safety sensor, which detects any obstacles in the door’s path and reverses its direction, preventing accidents and injuries.

Convenience is a key characteristic of this garage door opener. The Craftsman 139.53993D is compatible with various remote controls, including a keypad entry, allowing for keyless entry. Additionally, the model includes an integrated Wi-Fi capability. This feature grants homeowners remote access via a mobile app, enabling them to monitor and control their garage door from anywhere, adding an extra layer of convenience.

Installation is user-friendly owing to its clear instructions and included components. Most users can set it up in a short timeframe without professional help. Furthermore, the design of the motor unit is compact, allowing for easy placement and ensuring that it does not take up excessive space in the garage.

Alongside its functionality, the Craftsman 139.53993D is built with durability in mind. It features all-steel construction, providing long-lasting reliability and strength, suitable for the demands of daily use. The quiet operation is another impressive feature, ensuring that the door opens and closes smoothly without causing disturbances.

In summary, the Craftsman 139.53993D garage door opener stands out with its powerful motor, advanced security features, convenient technology, and robust construction. It reflects Craftsman's commitment to quality and innovation in home improvement solutions, making it a dependable choice for homeowners seeking a reliable garage door opener.
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