GE Learn Mode Shock Sensor Installation Instructions Manual
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PRELIMINARY 10/1/03
Product Summary
The Learn Mode Shock Sensor has the following three main
functions:
• To detect the vibrations made by an intruder trying to
break a window or door.
• To detect a window or door opening.
• To detect tamper situations, such as an intruder remov-
ing the sensor cover or the sensor from the wall.
Vibrations cause a momentary open circuit in the shock element of the sensor. The circuit closes again when the vibration stops. The sensor microcontroller “sees” the open/close
action as a pulse, causing the sensor to transmit an alarm
signal. The sensor has two different detection modes:
• Gross Attack - detect a violent blow sufficient in length to
trip sensor.
• Pulse Count - detect a sufficient number of less violent
blows (rapping or tapping).
The sensor includes an internal magnetic reed switch that
must be disabled if it is not used.
Extend the battery life of the sensor by adding a second 3volt lithium battery.
Shock Sensor
Horizontal (Ledge) Surface Mounting
Shock Sensor
Document No. 466-2023 Rev. A
Vertical (Wall) Surface Mounting
Shock Sensor
September 2003
Shock Sensor
Installation Guidelines
• Learn the sensor before adjusting the shock sensitivity.
The sensor is shipped with the reed switch enabled and
open, and this is how it must be learned.
• Before permanently mounting the sensor, test it at the
intended location to make sure that the panel can
receive sensor signal transmissions. The sensor is an
RF device and there may be blind or non-operational
locations within the installation. Normally, these can be
overcome by moving the sensor or receiver.
• Always mount the shock sensor so that the detector is on
the frame and not on the glass. See Figure 2 for mounting locations.
• Mount the sensor in a location where the structure can
transmit vibrations to the sensor.
• The sensor can be mounted on a vertical surface or on a
horizontal (flat) surface.
• Make sure the window fits snugly in the frame and
doesn’t move or rattle.
• Hold the sensor against the frame to make sure the sen-
sor base fits on the surface area of the frame and doesn’t
extend over the surface edges.
Figure 1. Mounting Options for Door/Window Sensor
Tools and Supplies
Control panel installation instructions
•
• Phillips screwdriver
• Slotted screwdriver (to pry off the cover)
• Two #6 x 2 cm flathead screws for mounting the sensor
(included)
• Two #6 x 1.5 cm screws for mounting the magnet
(included)
1
PRELIMINARY 10/1/03
Installation
Caution!
You must be free of all static electricity when handling electronic components. Touch a grounded, bare metal surface
before touching a circuit board or wear a grounded wrist
strap.
1. Insert a slotted screwdriver into the slot at the top end of
the unit and remove the cover by lifting it up (see
Figure 2).
Figure 2. Removing the Cover
2. Using the flathead mounting screws, secure the base to
the mounting surface either vertically or horizontally as
required (see Figure 3).
Mounting Hole
1 2 3 4
ON
Note
On a horizontal surface (sill or ledge), any orientation is
allowed, but certain sensor element orientations are better
than others. The element is much better at detecting horizontal vibrations perpendicular to its writing than it is parallel
vibrations (see Figure 5).
Perpendicular
1 2 3 4
ON
CORRECT
Direction of
Vibration
1 2 3 4
ON
INCORRECT
Figure 5. Positioning Shock Elements for Horizontal Surface Mounting
4. If using the reed switch, use the two remaining screws to
mount the magnet so its arrow is aligned with the arrow
on the sensor case (see Figure 7).
Magnet
Mounting Hole
(Wall Tamper)
Figure 3. Sensor Mounting Holes
3. Position the shock element and press it firmly into its
socket.
Note
On a vertical surface, the shock sensor element must
always be oriented with its screw terminals down
, or the
writing on the shock element horizontal.
Screw Terminals
Shock Element
1 2 3 4
ON
Screw Terminals
Figure 4. Positioning the Shock Element According to
Mounting Orientation on a Vertical Surface
Reed Switch
ON
1 2 3 4
Alignment
Marks
Figure 6. Possible Magnet/Reed Switch Alignment
Important!
You must disable the reed switch using the dip
switches on the circuit board if you are not using it. If
the reed switch is enabled but no magnet is installed, the
sensor will be in a continuous alarm state. See the Sensor
Settings section for more information.
1 2 3 4
5. Install the tamper switch as shown (see Figure 7).
ON
1
2
Figure 7. Installing the Tamper Switch
6. Install the 4.7 k Ohm EOL resistor across the terminals
of the external switch block.
2
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