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1-4.1
SmartOne Ionization Smoke Detector, Model CPD-7052
The Model CPD-7052 Ionization Smoke Detector is a low-profile, intelligent smoke
detector that uses an ionization sensing chamber. This detector can be utilized for open-
area coverage or can be mounted in a duct with air velocities up to 2,000 feet per minute.
Ionization detectors respond best to small smoke particles characteristic of flaming fires,
and are used primarily in areas where such fires are anticipated. They are also used in
special extinguishing systems as one criterion to release the extinguishing agent. See
Figure 1-12.
Note: Older-style Model CPD-7040 Ionization Detectors may be used with the ARIES
1-4.2
SmartOne Photoelectric Smoke Detector, Model PSD-7152
The Model PSD-7152 Photoelectric Smoke Detector is a low-profile, intelligent smoke
detector that uses a light-scattering sensing chamber. This detector can be utilized for
open-area coverage or can be mounted in a duct with air velocities up to 4,000 feet per
minute.
Photoelectric detectors respond best to large smoke particles characteristic of smoldering
fires, and are used primarily in areas where such fires are anticipated and in high-velocity
underfloor applications. They are also used in special extinguishing systems as one
criterion to release the extinguishing agent. See Figure 1-12.
Note: Older-style Model PSD-7140 Photoelectric Detectors may be used with the ARIES
1-4.3
SmartOne Thermal Detector, Model THD-7252
The Model THD-7252 Thermal Detector is a low-profile, intelligent heat detector that uses
a thermistor sensing chamber for fast response. This detector can be used for open-area
coverage on low (< 10 ft.), flat ceilings with a spacing up to 70 ft. Smaller coverage is
required for high ceilings and ceilings with structural obstructions.
P/N 06-236530-001
Control Unit.
Figure 1-12. SmartOne™ Smoke Detector
Control Unit.
Figure 1-13. THD-7252 Thermal Detector
1-11
August 2013
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