Interlogix 5812-RND User Manual

Acoustic Glassbreak

C

S

Detector

5812-RND

Installation Instructions

Description

The 5812-RND is an acoustic glassbreak detector designed
to detect breaking glass from framed windows in the
perimeter of a building. The detector is mounted in the
building interior and uses a power supply from a 12VDC
control panel. The detector is available in a low-profile
round housing.

Features

The detector provides the following features:

• Range - 5 to 25 feet (1.5 to 7.6 m)

• Alarm memory - After an alarm and until power is

cycled, the alarm memory can be checked with the hand­clap test.

• LED indicator - Red LED provides detector test and

status indication.

• Tamper resistant - Provides a screw that secures the

cover to the base to prevent tampering.

• Hand-clap test - In addition to a test mode, you can

confirm the operation of the microphone by clapping
your hands.

What You Will Need

You need the following tools and parts to install the
detector:

• 5812-RND detector including screw to secure the cover
to the base

• Screws and wall anchors

• Flat-blade screwdriver

• Phillips screwdriver

• Sentrol 5709C hand-held tester

Selecting a Location for the
Detector

The detector can be mounted on ceilings or on walls
opposite or adjacent to the window to be protected. See
Figure 2.

Use the following guidelines to determine the best location
to install the detector.

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L

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LISTED

Figure 1. 5812-RND

• Avoid locations where lined, insulating, or sound
deadening drapes are used.

• Mount 12 inches (30.5 cm) away from wall corners.

• Avoid locations where interior closed wooden
shutters are used.

• Locate in a suitable envionment as follows:

- T emperature between 32° and 122°F (0° and 50°C)

- Humidity between 10 and 90% non-condensing

• Mount the detector on a stable surface up to 25 feet
(7.6 m) from the farthest point on the glass surface.
See Figure 2.

• Avoid locations that expose the detector to possible
false alarm sources such as:

- Glass airlocks and vestibule areas

- Kitchens

- Residential car garages

- Small utility rooms

- Stairwells

- Bathrooms

- Small acoustically live rooms

- Air vents

Wall mount

25’ (7.6m)
max.

Ceiling mount

25’ (7.6m)
max.

• Mount at least 5 feet (1.5 m) from glass windows
being protected.

• Windows must be at least 12 x 24 inches
(30.5 x 61 cm) square.

5812-RND Acoustic Glassbreak Detector

Figure 2. Mounting Locations

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Selecting the Best Location for
Multiple Window Coverage

The detector has a 360degree coverage pattern that can be
used to cover several windows in a single room as follows:

CeilingCeiling

Ceiling

CeilingCeiling
mountmount

mount

mountmount

• Draw an imaginary line from the center of each window
to be covered in towards the center of the room.

• Mount the detector as close to where the lines intersect
as possible. See Figure 3.

• Do not mount the detector at more than a 60 degree
angle from the center of any window to be protected.
See Figure 3.

Installing the Detector

All wiring must conform to the National Electric Code
(NEC) and/or local codes having jursidiction.

Important !Important !

Important !

Important !Important !

If you are unsure about a location, connect a 9V
battery to the detector and test it before
permanently mounting. See T esting the Detector.

Use the following steps to install the detector:

1. Run the security system wiring to the detector location.

2. To remove the front cover, press the release tab on the

lip of the base, twist the cover counter clockwise, and
lift off. See Figure 4.

3. Remove the appropriate wiring and mounting
knockout holes from the base. See Figure 6.

4. Pull the wires through the knockout holes and use two
screws to attach the base to the surface. Use wall
anchors if necessary.

5. Strip 1/4 inch of insulation from each wire.

6. Connect the system wires to the appropriate screw
terminals on the base and tighten the screws. See
Figure 7.

7. To replace the cover, line up the tabs on the base with
the corresponding tabs on the cover, press together
and turn clockwise until the cover snaps firmly into
place. See Figure 5.

8. Apply power. The red LED should flash once.

9. Test the detector. See Testing the Detector.

Detector

Figure 3. Multiple Window Coverage

Release tab

Figure 4. Housing Parts

Figure 5. Attaching the Cover

60 max.

60 max.

Microphone

LED

Knockouts

Figure 6. Detector Knockout Locations

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5812-RND Acoustic Glassbreak Detector