Linear SW-ATT-GDC GDC Garage Door Controller Installation Instructions

Nortek Security & Control EF400117 is a Garage Door Controller designed to work with your existing garage door opener. It will give you remote access to open and close your garage door when used with Digital Life Service. The GDC connects to the garage door opener’s pushbutton terminals and communicates with the Digital Life Control Panel (DLC) using 915 MHz radio signals. A wireless garage door sensor mounts on the garage door and reports the door’s position to the GDC. When the GDC receives a command from the DLC, the GDC will open or close the garage door.

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Garage Door Controller SW-ATT-GDC GDC Installation Instructions | Manualzz

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Key Features

  • Remote control
  • Visual and audible warning indicator
  • Wireless garage door sensor
  • Compatible with Digital Life System
  • Safety features
  • Easy installation
  • Mounts on ceiling
  • Powered by a plug-in power supply
  • Built in battery backup

Frequently Answers and Questions

How do I connect the Garage Door Controller to my existing opener?

Connect the GDC wires to the pushbutton terminals on the garage door opener. Either wire can connect to either terminal.

Where should I mount the Garage Door Controller?

The GDC typically mounts on the ceiling near the garage door opener and power outlet. Alternately, the GDC can be mounted to other structures with the adjustable mounting bracket supplied.

What happens if the garage door doesn't fully open or close when activated remotely?

If, due to an obstruction or other cause, the door does not completely open or close when it is activated remotely, the GDC will pause for 30 seconds. After the delay, a second remote activation can be attempted. If the door does not complete its motion on the second attempt, the GDC will lock-out and suspend operation. The GDC will report the lock-out condition to the DLC.
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