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Appendix D - WLS904PL-433 Wireless Motion Detector
Installation Instructions
The WLS904PL motion detector is designed to com-
bine the convenience of a wireless detector with
effective and reliable detection of human motion as
well as good protection against the nuisance alarms
associated with pets weighing up to 60 lbs (27.3 kg).
Installing The Detector
The WLS904PL provides effective immunity to single
or multiple pets whose total combined weight does
not exceed 60 lbs. (27.3kg), when installed and con-
figured in the following manner.
Location
Select a detector location that will provide the cover-
age required and will allow the detector to be
mounted a minimum of 6¾ ft (1.95m) high and not
higher than 10ft (3m) (7¾ ft / 2.3m recommended).
Consider the following to avoid false alarms:
• Do not aim the detector at a stairwell to which a pet
has access.
• Do not place furniture or objects higher than 3ft
(0.9m) which a pet can climb onto (e.g., a cat on a
couch), closer than 10ft (3m) from the detector.
• Mount the detector flat on a wall or in a corner.
Do not angle it downwards or use mounting
brackets with this detector when used in conjunc-
tion with pets.
• Do not aim the detector at reflective surfaces such as
mirrors or windows as this may distort the coverage
pattern or reflect sunlight directly onto the detector.
• Avoid locations that are subject to direct high air flow
such as near an air duct outlet.
• Do not locate the detector near sources of moisture
such as steam or oil.
• Do not limit the coverage by placing large obstruc-
tions in the detection area such as plants or cabinets.
• For indoor use only.
NOTE: No detector should be mounted without
first performing a module placement test to
determine that it is in range of the wireless
receiver. See the Placement Test instructions in
Flash Programming or section [904].
When a location has been selected, remove the plastic
from the mounting holes and locate the backplate on
the wall and mark screw locations.
It is suggested that wall
anchors be used for all
screw locations. Secure
the backplate to the
wall, and then secure
the enrolled detector to
its backplate.
Enrolling a WLS904PL
On the back of the PIR housing, there will be 2 serial
numbers: a 5-digit number and a 6-digit number. Use
the 6-digit number to enroll the serial number.
Changing the Sensitivity
Setting
The WLS904PL features “Fast”
and “Slow” settings on jumper
J1 which is used to configure
the detector for the weight of
the pet(s) and the environment.
For an environment with a sin-
gle pet whose weight does not
exceed 30lbs (13.6kg) the jumper should be set to
“Fast” setting. In an environment with single or multi-
ple pets whose combined weight is greater than 30lbs
(13.6kg) but not greater than 60 lbs. (27.3kg) the
jumper must be set to the “Slow” setting. In a hostile
environment or where the installation conditions can
not be controlled J1 must be set to the “Slow” setting.
The diagram above shows the jumper location. To
change the setting from Fast to Slow, move the
jumper over one pin, as shown in the diagram.
High Traffic Shutdown Mode
To prolong battery life, the motion detector uses a
feature called High Traffic Shutdown. When motion is
detected, the device will transmit to the receiver and
will then shut down for three minutes. If motion is
detected again during the shutdown time, the unit
will not transmit the event to the receiver. The detec-
tor will thus remain in the shutdown mode until three
minutes after the first motion detected was transmit-
ted. The detector will transmit detected motion every
three minutes. The High Traffic Shutdown Mode
affects testing the motion detector in two ways:
Mounting hole knockouts
Ensure proper
orientation of backplate
Corner mounting
knockouts
WLS904PL-433
with 3-pin Jumper
Jumper J1 set to 'SLOW'
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