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If you are protecting a typical room area which may include

small pets
or rodents
(no larger
than 20
lbs. total
weight),
the factory
installed
wide angle
lens can
be used. If
pets will be
present
locate the
detector as

high as possible (7 ft. minimum) and avoid placement that
would allow the pets to get within 6 ft. of the detector. It may be
necessary to mask a zone with the supplied material if a stair-
case is close to the detector and directly in a zone. It is also
possible to adjust beams laterally by sliding the lens and re-
tainer horizontally within its stops.
Pet-Alley Lens (LENS817)
For larger pets use a Pet-Alley Lens (LENS817). This lens pro-
vides the same pattern and coverage as the standard Wide-
Angle lens, but there are no lower zones. This creates an un-
protected “Pet Alley” in which a larger pet can freely move

about. The
detector
should be
mounted at
5 to 6 ft.
with the
board
mounting
height in-
dex set to
6 ft.

B a r r i e r
L e n s

(LENS818)
For hallways, aisles or corridors use the Barrier lens, sometimes
referred to as a curtain lens (LENS818), will provide the best

solution. This lens
stacks the elements
to form an efficient
and effective wall that
will detect anyone
crossing it while ig-
noring motion on ei-
ther side of the detec-
tor. The detector has
a maximum range of
50 ft. with this lens.

Long Range Lens (LENS840)
For longer range coverage the Long Range Lens (LENS840) will
provide up to 100 ft. of range with a single pair of
beams.Complete coverage pattern is included with the lens.

MOUNTING

First, use a screw driver to carefully lift the lens cover from the
housing. Second, remove the circuit board from the housing by

removing the screw in the center of the board. Note: the screw
is attached to the circuit board and will not separate when
removed. Third, determine the wire entry points on the housing.
The housing provides four possible wire entry points, two for
surface wiring and two for hidden wiring. Determine which entry
is most convenient and punch out or remove the thin plastic
section. Fourth, mount the housing to the wall. There are three
mounting options to choose from depending on the desired
location: flat wall mounting, corner mounting or using the swivel
bracket (SVL2) for ceiling and wall mounting where it is advanta-
geous to tilt or aim the unit along a wall. Note: using two units on
swivel brackets mounted side by side it is possible to cover
almost 180 degrees when mounted on a flat wall. If using the
swivel bracket refer to the instructions with the bracket. For wall
or corner mounting simply hold the case in the desired location
and using the supplied screws push through the appropriate thin
wall mounting screw holes and attach the unit with two or four
screws. Note: Do not over tighten the screws as this can distort
the case and compromise the air seal of the unit, because not all
walls are flat and all corners are square. Reinstall the circuit
board and proceed to wire the detector.

WIRING & TERMINAL DESCRIPTIONS

Refer to the wiring diagram and terminal descriptions, connect
the appropriate wire to the corresponding terminal. When you
have finished wiring the terminals seal the opening around the
wire entry hole and any other unused holes with the supplied
sealer.
Power(Terminals 1 [+] & 2 [-]): Connect 12 volts regulated or
unregulated power.
N.C. (Terminals 3 & 4) Normally closed alarm relay: Connect
to zone wiring, either detection of an intruder or loss of power will
cause relay to open.
TRBL (Terminal 5) Active low (open collector transistor) auxil-
iary output , can be configured to provide an activation on high

Top View: Barrier Lens (LENS818) used for

hallways

50 ft.

PIR1680 Circuit Board Detail

HT

LT

SEN

ST

 

LT

SE N

ST

H T

ENABLE TROUBLE OUTPUT
ON SELF-TEST FAILURE

OFF FOR NORMAL SENSITIVITY
ON FOR HIGH SENSITIVITY

ENABLE TROUBLE OUTPUT
ON LOW TEMPERATURE

ENABLE TROUBLE OUTPUT
ON HIGH TEMPERATURE

LOOK DOWN LENS

INFRARED SENSOR

SELF-TEST HEATER

TEMPERATURE SENSOR

MOUNTING HEIGHT SCALE
(ALIGN WITH INDEX IN CASE)

HEIGHT LOCK SCREW

WALK TEST LED

REMOVE JUMPER
TO DISABLE LED

LED

DISABLE

TAMPER SWITCH

WIRE ENTRY
KNOCKOUT

Side View: Standard Lens (LENS100) used for small pets

30 ft.

pet less than 20 lbs. only

7 ft.
min.

avoid pet activity within 6 ft. of detector

Small Pet Avoidance

Side View: Pet-Alley Lens (LENS817) used for larger pets

5-6 ft.

pet undected

Large Pet Avoidance

50 ft.

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