Coverage Patterns - Intec CI-24 Installation Manual

CI-24 – Installation
Specifications subject to change without notice. | 86-0468-00r3 9/99 | USA 150729 | Page 2 of 8
DESCRIPTION
The CI-24 is a 24VAC or 24VDC Passive Infrared (PIR) occupancy sensor
which integrates with HVAC or EMS systems. The CI-24 provides isolated relay
contacts that are Normally Open or Normally Closed, based on occupancy.
PIR sensing systems are passive systems which react to changes in infrared
energy (moving body heat) within the coverage area. PIR sensors must directly
"see" motion of an occupant to detect them, so careful consideration must be
given to sensor placement.

COVERAGE PATTERNS

The CI-24 has a multi-cell, multi-tier Fresnel lens with a field of view of 360°.
The sensor has two lens pattern options. The Extended Range Lens will cover
up to 1200 sq ft and 22 feet from the sensor when mounted at 8 feet. The
High Density/Reduced Range Lens will cover up to 500 sq ft and 12 feet from
the sensor when mounted at 8 feet.
Coverage shown in the diagrams below is maximum and represents coverage
for half-step, walking motion, with no barriers or obstacles.
DRAWING NOT TO SCALE
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Extended Range Lens (Standard)
CI-24
44 ft
8 ft
Typical
desk-top
level
22 ft 13 ft 7 ft 3 ft 0 3 ft 7 ft
High Density/Reduced Range Lens
CI-24-1
24 ft
8 ft
Typical
desk-top
level
12 ft 9 ft 7 ft 5 ft 3 ft
13 ft 22 ft
0 3 ft 5 ft 7 ft 9 ft 12 ft
PLACEMENT
The effective cove
ing distance (see
niture or partitions
sensors and their
tances for differen
Approximate cove
Lens option
Extended Range
High Density
The CI-24 sensor
mounting at heigh
mounting height, y
smaller motions. C
the range and dec
than 12-14 feet, yo
Often the best loc
CI-24 in a closed
(see fig.1). Avoid
directly in line with
which it has a clea
sensor may detect
36'
CI-24
fig. 2