UTC Fire and Security Americas 844 PIR User Manual
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Product Summary
Model No.
60-991-900
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A motion sensor (passive-infrared or PIR) detects movement by sensing the infrared energy
emitted from a body as it moves across its field of view. When this motion is detected, the sensor
transmits an alarm signal.
Install motion sensors to protect areas where door/window sensors are impractical or not needed.
For example, use a motion sensor to protect large areas or open floor plans. Motion sensors can
also provide backup protection in areas where door/window sensors exist.
This wireless motion sensor includes the following features:
• Field-selectable coverage area; 33 or 50 feet
• Field-selectable sensitivity modes; 2-pulse or 4-pulse
• 135-second transmitter lockout time after an alarm that helps extend battery life
• Cover-activated tamper
• Supervisory signal transmitted every 64 minutes to the control panel
• Sensor low battery reports (trouble) to the control panel
Included with the sensor is a thin cardboard undercrawl mask and snap-in plastic masks
(installed at the factory). Self-adhesive masking strips are also included.
Preliminary 9/1/04
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Installation • If possible, locate sensors within 100 feet of the panel. While a transmitter may have an
open-air range of 500 feet or more, the installation site can have a significant effect on transmitter range. Changing the sensor location may help overcome adverse wireless conditions.
• Mount the sensor permanently on a flat wall or in a corner. Do not set it on a shelf.
• For installations without pets, the required mounting height is 7 1/2 feet.
• Mount the motion sensor on an insulated, outside wall facing in.
• Mount the motion sensor on a rigid surface which is free from vibrations.
• Position the sensor so it faces a solid reference point, like a wall.
• Do not aim the sensor at windows, fireplaces, air conditioners, heaters/heating vents, or place
it in direct sunlight.
• Position the sensor to protect an area where intruders are most likely to walk across the
detection pattern (see Figure 1).
Person walking across detection path.
Figure 1. Overhead (Bird’s Eye View) Detection Path
1
Note
The cardboard undercrawl
mask should remain
installed when sensor
jumper J1 is set to the BI
position. See the section
“Setting the Sensor Coverage Area and Sensitivity” for
complete information on
sensor jumper settings.
Preliminary 9/1/04
• Do not mount the sensor near duct work or other large metallic surfaces which may affect the
RF signals (see “Final Testing” on page 4). Actual acceptable transmitter range should be verified for each installation.
• Windows should be closed in any area which has an armed motion sensor.
• The cardboard undercrawl mask installed at the factory (see Figure 2) blocks coverage within
5 feet of the sensor.
• For installations where pets are present, mount the sensor upside down about 3.5 feet above
the floor (see Figure 3). Leave the factory-installed undercrawl mask in place to block any
detection pattern directed at the ceiling
Mounting the Motion Sensor
Note
Remove the factory-installed
plastic masks before mounting. Re-install as desired
after walk testing.
Figure 2. Cardboard Undercrawl
Mask Location
Figure 3. Pet Alley Application
Tools and Supplies Needed
• Phillips screwdriver
• Anchors and screws for mounting (included)
• Masks (included)
This section describes how to mount the sensor on a flat wall or in a corner.
You must be free of static electricity before handling circuit boards. Wear a
grounding strap or touch a bare metal surface to discharge static electricity.
Static
1. Remove the small cover (see Figure 4)
2. Open the sensor housing by pressing down on the top rear and pulling the front cover at the top (see Figure 5). Set the front cover aside
S T E P 1 :
P R E S S D O W N
W I T H I N D E X F I N G E R
S T E P 2 :
P U L L A W A Y
Figure 4. Removing the Small Cover
2
Sentrol AP750W Wireless PIR Motion Sensor Installation Instructions
Figure 5. Opening the Sensor Housing
Preliminary 9/1/04
M
Note Avoid touching the
mirror. Fingerprints may
affect detection coverage.
Setting the Sensor Coverage Area and Sensitivity
Note
Do not use the bi-curtain
mode for detection in areas
within 5 feet of the sensor.
When selecting bi-curtain
mode, always leave the
cardboard undercrawl mask
installed.
3. Mount the sensor on a flat wall or in a corner, using the appropriate mounting holes (see Figure 6). Use wall anchors and screws to secure the sensor.
F L A T
O U N T I N G
H O L E S
( 2 )
M I R R O R
Figure 6. Mounting Hole Locations
C O R N E R
M O U N T I N G
H O L E S
( 4 )
M I R R O R
Jumper J1 determines the sensitivity mode of the sensor, either standard or bi-curtain. Jumper J2
determines the coverage area of the sensor, either 33 or 50 feet. See Figure 7 for jumper positions.
Use the standard (STD) setting for wide-angle coverage and single curtain pattern. Use the bi-curtain (BI) setting for added stability to help reduce false alarms. This mode requires intruders to be
detected by two curtains of coverage.
You must be free of static electricity before handling circuit boards. Wear a
grounding strap or touch a bare metal surface to discharge static electricity.
Static
J 1
J 2
J 1 - S E N S I T I V I T Y M O D E
J 1
J 2
Figure 7. Sensitivity Mode and Coverage Area Jumper Settings
B I = J U M P E R O N T O P T W O P I N S
S T D = J U M P E R O N L O W E R T W O P I N S
J 2 - C O V E R A G E A R E A
U M P E R O N T O P T W O P I N S
5 0 F T = J
3 3 F T = J U M P E R O N L O W E R T W O P I N S
Walk Testing Walk testing should be done to determine the actual coverage area of the sensor. The edge of the
coverage pattern is determined by the first LED flash. This may change slightly depending on the
sensitivity setting. Walk test the unit from both directions to determine the pattern boundaries.
1. Remove the sensor cover to activate the tamper switch, then reattach it to activate the 2-
minute walk test mode.
2. Walk across the coverage pattern to determine the coverage area, indicated by LED activation.
After 2 minutes, the walk test mode and the LED will no longer activate when motion is detected.
Note
Excessive use of the walk test mode may reduce battery life. Use only for initial setup and maintenance
testing. In normal operation mode, the sensor only transmits an alarm signal 135 seconds after the previous alarm. This reduces unnecessary RF transmissions in high traffic areas, thereby extending battery
life.
3Sentrol AP750W Wireless PIR Motion Sensor Installation Instructions
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