User's Manual

5. Mounting
Mount the motion sensor at 7.5 feet (2.3 meters)
above the floor. Press the case release button to
separate the front and back sensor case. The back
case gives access to both the flush mount and corner
mount screw knock outs. Remove the appropriate
knockouts and use the included screws to mount in
the desired mounting location. It is recommend to
ensure there is a tight seal around the knockouts to
prevent bugs from entering the sensor and causing
false alarms. Replace the front sensor cover to snap
shut and screw in the sensor case screws on the top
and bottom of the back sensor case. The WST-741
intrusion detection unit shall be installed in
accordance with the Standard for Installation and
Classification of Residential Burglar Alarm Systems,
CAN/ULC-S310. The WST-741 is intended to be
installed in accordance with the Standard for
Installation and Classification of Residential Burglar
Alarm Systems, UL1641.
6. Sensitivity Jumper Settings
For normal sensitivity motion detection leave the jumper in the default
setting (on). Remove the jumper if increased sensitivity to movement is
desired.
7. Walk Test Mode
Walk test mode can be used to test the motion sensor detection coverage
area. To enter walk-test mode hold down the tamper button while inserting
the battery. The red LED will begin to flash indicating that the motion sensor
is warming up. After 30 seconds the LED no longer flashes and the motion
sensor is ready to detect motion. The LED will illuminate each time motion is
detected. Once the LED goes out, the sensor is ready to detect motion again.
Walk test mode ends after twenty motion detections or if no motion is seen
for one minute. It is recommended that the WST-741 PIR is tested monthly to
ensure proper function.
8. Operation
During normal operation, the LED will not turn on even if motion is detected.
This is done to maximize battery life. Furthermore, when motion is detected
and a signal is transmitted to the panel, the sensor will not transmit again for
a period of three minutes. The WST-741 is an intrusion detection unit and
shall provide for connection into an alarm system in accordance with the
Standard for the Installation and Classification of Residential Burglar Alarm
Systems, CAN/ULC-S310.
9. Main
tenance - Replacing the Battery
When the battery is low, a signal will be sent to the control panel.
To insert or replace the battery:
• Remove the front cover to expose the battery
• Rem
ove the backplate using a bottom
-to-to
p lifting motion.
• Rem
ove the CR123A lithium battery. Note the correct orientation of the
battery as shown on the sensor cover plate.
Al
ways match the plus (+) sign on the battery with the flat side of the
compartment and the minus (
-) s
ign on the battery with the spring side.
• Replace the front cover.
WA
RNING: Failure to follow these warnings and instructions can lead to heat
generation, rupture, leakage, explosion, fire, or other injury, or damage. Do
not insert the battery into the compartment in the wrong direction. Always
replace the battery with the same or equivalent type (see Specifications on
page 1). Never recharge or disassemble the battery. Never place the battery
in fire or water. Always keep batteries away from small children. If batteries
are swallowed, promptly see a doctor.
• Always dispose and/or recycle used batteries in accordance with the
hazardous waste recovery and recycling regulations for your location. Your
city, state, or country may also require you to comply with additional
handling, recycling, and disposal requirements.
10. `Environmental and Other Useful Information
• While the PIR is a highly reliable intrusion detection device, it does not guarantee against
burglary. Any intrusion device is subject to a “failure to warn” for a variety of reasons.
Consider the following when installing and setting up the PIR:
• This PIR has built-in protection to keep bugs from getting into the sensor area and causing
false alarms. Note that this protection does not prevent insects from crawling across the
lens of the PIR, which could trigger the PIR.
• Infrared energy can be reflected off any glossy surfaces such as mirrors, windows, floors,
or counter tops with glossy finish, and slick-finished concrete. Some surfaces reflect less
than others (e.g. the PIR can see a change in infrared energy off of reflective surfaces even
if the heat or cold source is not within the PIR detection pattern).
• Windows reflect infrared energy. They also allow sunlight or light from other sources (e.g.,
cars) to pass through to the PIR. The PIR can detect these changes in infrared energy. For
example, if sunlight passing through a window shines onto a hardwood floor and the