BLACK DEVICES Garage Guardian

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Black Devices LLC’s (blackdevices.com) Garage Guardian closes

the garage if you forget. It uses a programmable timer and

“eyes” to see and time how long your door is left open, and

closes it after the time expires. Features include:

 Audio warning beeps 16 times prior to closing

 Programmable timer at minute intervals (can be disabled)

 Programmable via your existing wall button

 Battery saver technology (with low battery warning)

 Detect Open/Detect Closed modes

 Retains programming across battery changes

This device operates in two modes. Detect-Open mode and

Detect-Closed mode. Most installations will operate under

Detect-Open mode. You should have received your device

already in Detect-Open mode. If you need to change the mode

of operation, see “Changing Detect-Open/Closed Modes” under

the OPERATION section of this manual .

1. Pull lid off and install 2 AAA batteries. Replace lid.

2. Select an installation location:

a) Use your garage door opener to fully open door. With the

door open, select a location to mount the device with the

“eyes” of the device close to (1” to 2”) and facing the garage

door/hardware. Ensure the device is able to “see” the door

open by holding the device in position and watching for a

flashing LED. After 3 consecutive flashes, the device beeps 4

times to confirm that it sees the door open. The LED only

flashes when something is immediately in front of it. The

part it sees should only be there with the door open. Sticking

tape (included) on the door/hardware may help.

b) Ensure the surface of the rail is clean prior to applying the

Velcro strip. Secure the device at the location by applying

the supplied Velcro strips on both the device and on the rail.

Note: Recommended placement is underneath the central

chain guide rail; between the top of the garage door and the

garage door opener with the “eyes” of the device pointing

toward the emergency release hardware (shown in the

figure above). Do not unplug the opener during installation.

3. Connect the wires from the device to the opener:

a) Be prepared for opener to operate unexpectedly! First,

locate terminals on the garage-door-opener. You may have

to remove a cover to access the terminals. Refer to the

garage door opener manual to determine where the wall

button terminals are located. Garage Guardian connects to

the same opener terminals that the wall button connects to.

b) Connect the black wire to the common/ground terminal on

the opener (typically labeled with a white terminal or a “2”).

c) The red wire shares the terminal with the other wire in the

pair of wires leading from the wall button to the opener

(typically labeled with a red terminal or a “1”).

Note: If the wires are connected in reverse, the device’s red LED

will illuminate and the device may start beeping as long as the

wires remain connected. The garage opener may also operate!

That’s ok, simply reverse the wires to correct the polarity.

4. Program the device for the desired amount of time

and verify door closes after set time (see OPERATION).

Note: Changing the operation of the device is done with the

button on the device. It can also be done with your wall button if

the device has been properly installed and connected to your

garage door opener. (The opener can make noise if you use the

wall button. Try pushing it twice—the second push may stop it).

OPERATION

Garage Guardian connects to the same

terminals as the wall button.

Velcro strip on

rail and device

Emergency release

hardware/handle

INSTALLATION

WARNING

FOR YOUR SAFETY – This product operates your door

autonomously. Before installing this product, ensure that

your garage door is equipped with an external entrapment

protection device, such as an "electric eye" which "sees" an

object obstructing the door without having actual contact

with the object. Do NOT install this product if your garage

door is not equipped with the auto reverse mechanism. To

prevent possible SERIOUS INJURY or DEATH, REPLACE YOUR

GARAGE OPENER IF IT IS NOT EQUIPPED WITH THE AUTO-

REVERSE MECHANISM.

Installation

Wire

LED

Button

Eyes

Speaker

BLACK DEVICES

Garage Guardian

INTRODUCTION

INSTALLATION (Continued)

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Manual2 pages

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Summary

Installation Guide

Battery Installation

Install 2 AAA batteries into the device and replace the lid.

Select Installation Location

Choose and prepare a mounting spot for the device, ensuring it can detect the door's position.

Wire Connection to Opener

Connect the device's wires to the garage door opener terminals, typically matching the wall button.

Programming and Initial Test

Program the desired time delay and verify the door closes correctly after the set time.

Operation Details

Programming the Timer

Set the delay time for automatic door closure by pressing the device button.

Disabling;Enabling the Timer

Toggle the automatic timer feature on or off by holding the device button.

Changing Sensor Modes

Switch between Detect-Open and Detect-Closed modes for different installation scenarios.

The Black Devices Garage Guardian is a device designed to automatically close a garage door if it is left open for too long. It integrates with existing garage door opener systems and offers several features to enhance convenience and safety.

Function Description

The primary function of the Garage Guardian is to monitor the state of a garage door and, if left open beyond a user-defined time, to initiate its closure. This is achieved through a programmable timer and "eyes" that detect the door's position. The device operates autonomously once installed and configured. It requires an external entrapment protection device (such as an electric eye) to be present on the garage door opener for safe operation, ensuring the door reverses if an obstruction is detected during closure. The device will not function if the garage door opener lacks an auto-reverse mechanism.

The Garage Guardian can operate in two modes: "Detect-Open" and "Detect-Closed." In "Detect-Open" mode, the device monitors for the door being open and initiates closure after the set time. This is the default and most common mode for garage door openers where the door is closest to the opener when fully open. In "Detect-Closed" mode, the device monitors for the door being closed. This mode is useful for different garage/gate configurations where the door is closest to the opener when closed, or for outdoor installations where environmental factors like thick fog might interfere with "Detect-Open" sensing. The mode of operation can be changed by accessing an internal contact point on the device.

Usage Features

The Garage Guardian offers several user-configurable features:

Programmable Timer: Users can set the duration the garage door can remain open before the device initiates closure. This timer is programmable in minute intervals and can also be disabled if desired, allowing the door to remain open indefinitely without automatic closure. Programming is done by holding down the device's button; each subsequent beep after the initial one represents an additional minute.
Audio Warning: Before closing the door, the device emits 16 audio warning beeps, providing an alert to anyone nearby.
Wall Button Integration: The device can be programmed and controlled using the existing garage door wall button, in addition to its onboard button. This allows for convenient programming without needing to directly access the device.
Detect Open/Detect Closed Modes: As described above, the device supports two operational modes to accommodate various garage door and gate configurations. The default is "Detect-Open," but it can be switched to "Detect-Closed" if needed.
Visual Feedback: An LED on the device provides visual feedback. For instance, during installation, it flashes when it "sees" the door open, confirming proper alignment.
Battery Saver Technology: The device incorporates battery saver technology to prolong battery life.
Programming Retention: All programmed settings are retained even when the batteries are changed, eliminating the need for reprogramming after battery replacement.

Maintenance Features

Maintenance aspects of the Garage Guardian primarily involve battery replacement and occasional mode changes:

Battery Replacement: The device is powered by 2 AAA batteries. To replace them, the lid simply pulls off, allowing access to the battery compartment. A low battery warning is indicated by a quick 3-beep chirp.
Mode Change: If the operational mode needs to be changed (e.g., from "Detect-Open" to "Detect-Closed"), the lid must be removed. The change is then effected by touching the black wire to a specific silver-colored pad inside the device. The device provides audio feedback (one beep for "Detect-Open" mode, two beeps for "Detect-Closed" mode) to confirm the current or newly selected mode.
Installation: The device is installed by securing it to the garage door rail using supplied Velcro strips. Its "eyes" should face the emergency release hardware, positioned 1" to 2" away from the door/hardware when the door is open. The device's wires connect to the same terminals on the garage door opener as the existing wall button, with specific instructions for connecting the black wire to the common/ground terminal and the red wire to the other wall button terminal. Incorrect wiring polarity will cause the device's red LED to illuminate and may trigger beeping or even operate the garage opener, indicating the need to reverse the wires.