Planning (Continued)

ONE-PIECE DOOR INSTALLATIONS

o Generally, a one-piece door does not require reinforcement, If your door is lightweight, refer to the information relating to sectional doors in Installation Step 11,

o Depending on your door'sconstruction, you may need additional mounting hardware for the door bracket (Step 11)_

Without a propedyworking safetyreversalsystem, persons(particularlysmallchildren) could be SERIOUSLYiNJUREDor KILLEDby a closinggarage door

•Thegap betweenthe bottom of the garagedoor and the floor MUSTNOTexceed1/4" (6 ram) OtherMse, the safetyreversalsystem maynot work properly

•Thefloor or the garagedoorMUST berepairedto eliminatethe gap

ONE-PIECE DOOR WITHOUT TRACK

FINISHED CEILING

Support bracket

&fastening hardwaze is required See page 16

Rail

_

Header Wall

Slack in chain tension

\

is aorta!! when

 

garage door is closed

Meier Unit

Access

Door

O

Safety Reveming

Gap between floor Sensor

and bottom of door must not exceed I14 _ {6 ram)

Safety Reversing Sensor

ONE-PIECE DOOR WITH TRACK

[

CLOSED

POSITION

 

r.-'/._ Trottey Stop Boll

Cable

Chain

 

Access

Door Of

Door

Reversing

Gap between floor Seesor

and bottom Of deer

_afety

must not exceed I/4" (6 ram)

Reversing Sensor

 

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Craftsman 139.53920D owner manual Planning
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139.53920D specifications

The Craftsman 139.53920D is a versatile and robust garage door opener, designed to provide both convenience and security to homeowners. Known for its reliability and advanced features, this model stands out in the competitive market of garage door openers.

One of the key features of the Craftsman 139.53920D is its powerful motor. With a lifting capacity suitable for most standard garage doors, it boasts a 1/2 horsepower motor that delivers the strength necessary to open and close heavy garage doors effortlessly. This ensures a smooth and quiet operation, minimizing noise disruptions, which is especially valuable for homes with living spaces above or adjacent to the garage.

In terms of technology, the Craftsman 139.53920D incorporates a range of advanced features aimed at enhancing user experience. It comes equipped with Craftsman's proprietary Triband technology, which operates on three frequencies, providing increased range and improved signal reliability. This technology minimizes signal interference, ensuring that the opener responds quickly to your commands, whether you are close by or parked at the end of the driveway.

Safety is also a critical aspect of the Craftsman 139.53920D. The unit includes an automatic reverse feature that immediately stops and reverses the door's motion if it detects an obstacle in its path. This is vital in preventing accidents and ensuring the safety of children and pets. Additionally, the opener is compatible with the Security+ 2.0 system, which offers rolling code technology that changes the access code each time the remote is used, adding an extra layer of security against unauthorized access.

Installation of the Craftsman 139.53920D is user-friendly, with clear instructions provided and all necessary hardware included. The unit can accommodate various garage door styles, making it a flexible choice for different homeowners.

Furthermore, the Craftsman 139.53920D offers smartphone compatibility through the Craftsman smart app, allowing users to control their garage door from anywhere, receive real-time alerts, and even monitor the status of the door remotely. This feature makes it easier than ever to ensure that your garage is secure, even when you're not at home.

In summary, the Craftsman 139.53920D is an excellent choice for homeowners seeking reliability, advanced technology, and convenient features in a garage door opener. Its blend of power, safety mechanisms, and smart technology makes it a standout option for enhancing home security and convenience.
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