Appendix B: Transmitter Installation
CommPact Installation Manual
87
Appendix B: Transmitter Installation
PIR Detectors (EL-2645/EL-2645PI)
The
EL
‐
2645
and
EL
‐
2645PI
are
Wireless
Motion
PIR
Detector
designed
for
use
with
Electronics
Line
supervised
wireless
range
of
receivers.
All
these
detectors
implement
a
feature
to
combat
the
problem
of
multiple
transmissions,
which
drastically
reduce
the
life
of
the
batteries.
After
each
transmission,
there
is
a
four
‐
minute
delay
during
which
further
transmissions
will
not
be
sent.
When
batteries
need
replacing,
the
detector
sends
a
low
battery
indication
to
the
Control
System.
The
EL
‐
2645PI
is
designed
for
pet
installations
and
provides
good
immunity
to
nuisance
alarms
caused
by
pets
and
animals.
Detectors
that
meet
the
EN
‐
50131
standard,
have
a
three
‐
minute
delay
between
transmissions.
1. Battery Holder
2. Antenna
3. LED Indicator
4. PCB Screw
5. DIP Switch
6. Tamper Switch
7. Pyro Sensor
8. Back Tamper
Figure B- 1: PIR Detector with Cover Removed – EL-2645/EL-2645PI
Considerations before Installation
Select
a
location
from
which
the
pattern
of
the
detector
is
most
likely
to
be
crossed
by
a
burglar,
should
there
be
a
break
in.
Do
not
place
bulky
objects
in
front
of
the
detector.
Avoid
a
location
that
comes
in
direct
contact
with
radiators,
heating/cooling
ducts
or
air
conditioners.
Do
not
place
the
detector
in
front
of
windows
subject
to
direct
sunlight
or
drafts.
Pet Immunity Guidelines (EL-2645PI)
It
is
expected
that
the
EL
‐
2645PI
will
eliminate
false
alarms
caused
by:
Animals
up
to
36kg/80lbs
Several
small
rodents
Random
flying
birds.
The
weight
of
the
animal
should
only
be
used
as
a
guide;
other
factors
such
as
the
length
and
color
of
fur
also
affect
the
level
of
immunity.
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