Interlogix 6255 User Manual
Sentrol 6255
SureShot PIR
Installation Instructions
Front cover
TM
Lens
Mask
Pyro shield
U
L
LISTED
Back cover
Circuit
board
guides
Sliding
LED cover
Masking kit
Figure 1. Exploded view
Avoid False Alarm Sources
For false-alarm-free operation, a PIR should not “see"
sources of heat or cold. See Figure 2.
Sunlight or
Hot or cold air
directed onto sensor
reflected sunlight
Circuit
board
assembly
Cable
strain
reliefs
Installing the SureShot
1. Remove the front cover by gently prying the unit apart
at the bottom. The front cover hinges at the top.
2. Remove the circuit board assembly by holding the
pyro shield and pulling it out of the back cover. See
Figure 1.
CAUTION
You must be free of static electricity before
handling sensor circuit boards. Touch a
grounded, bare metal surface before touching
Pets
Intermittent
heat sources
Figure 2. False alarm sources
6255 SureShot PIR 1
circuit boards or wear a grounding strap.
3. Mount the back cover to a ceiling, wall, or corner. For wall
mounting, make sure the "up" arrow is pointing up. Use the
appropriate mounting knockouts. See Figure 3.
4. Snap the circuit board assembly onto the back cover by
aligning the lower edge of the board with the circuit board
guides and pressing it into place. See Figure 1.
Note
To correctly mount the Pet Alley Mask, the lens
must be removed from the front cover and rotated
180 degrees. See Figure 5.
Rotate lens 180°
Wall or ceiling
mounting
knockouts
Wiring knockouts
MADE IN U.S.A.
1-800-547-2556
Wall or ceiling
mounting
knockouts
UP
Corner mounting
knockouts
Wall or ceiling
mounting
knockouts
Wiring knockouts
Figure 3. Back cover
5. Connect the wires (see Wiring and Figure 7).
6. Choose which masking plate you need, if any. Insert it
behind the lens on the front cover by pressing it over the
four mounting pins. Once the front cover is installed, the
masking plate will be held tight against the lens.
Corner mounting
knockouts
Wall or ceiling
mounting
knockouts
PET
ALLEY
ROTATE LENS
o
180
Inside of
front cover
Align notch
with dimple
Figure 5. Pet alley mask
7. Replace the front cover.
Note
When mounting on the ceiling, align the unit to
maximize the oblong detection pattern for the
room. See Figure 6.
Capture zone
at 8.0' (2.4m) mounting height
20.0'
6.12m
15.0'
4.59m
Note
The masking plates have two notches to prevent
incorrect installation. One notch matches a rib in
the front cover. The other notch matches a dimple
in the lens. See Figure 4.
Align notch
with dimple
Align notch
WIDE
ANGLE
Figure 4. Masking plates
with rib
Inside of
front cover
Figure 6. Detection pattern
8. After walk testing, the LED cover can be used to cover
the LED. See Figure 1.
Wiring
Strip back the outer jacket on the wiring cable. This will
allow wires to flex in the case. Use the cable strain relief
built into the back cover to prevent stressing wires at
their connection. See Figure 1.
–
+
Power-In
7 to 16 VDC
Figure 7. Wiring
Note
The unit should be connected to a UL listed power supply
capable of providing four hours of standby power.
NC COM Tamp Tamp
6255 SureShot PIR2
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