Technical Description; Features And Specifications; General Description - Honeywell SS4-AS Installation Manual And Operating Manual

Multi-spectrum digital electro-optical fire detector
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SECTION 1

TECHNICAL DESCRIPTION

1.1
1.1.1
HONEYWELL

Features and Specifications

General Description

The Model SS4-AS/-AS2 Multi-Spectrum Electro-Optical Fire/Flame Detectors are
fast-reacting (within 5 seconds), digital, configurable, microprocessor-based,
"smart" units. This Detector has sensitivity to Type A, B, and C flaming fires. They
are optimized for detection of hydrogen, ethanol, methanol, and methane (natural
gas) fires. Detectors of this design process Ultraviolet (UV), Wide Band Infrared
(IR), and Visible (VIS) spectral ranges from ruggedized Solar-blind UV, "Quantum-
Effect" IR, and Visible (VIS) sensors correspondingly. They are equipped with
SRL-BIT (Built In Test) for optical "through the lens" of both the sensors and lens.
These UV, IR, and VIS Fire Detectors have false alarm immunity, and alarm range
between 15 and 60 feet for a one square foot heptane, gasoline, kerosene, or
isopropyl alcohol pan flame with a 120-degree (± 60 degrees from the axis)
conical field of view. Additional optimization for hydrogen assures a less than 5
second response to a 10-inch hydrogen flame at 15 ft.. Their microprocessor-
based algorithms (FirePic, SnapShot, and Tri-Mode Plot) assure time
programmable alarm verification, Fire Signature Analysis, and compatibility with
standard FM Approved or UL Listed fire alarm panels.
The Detector has the flexibility to be re-configured in the field. Its installation is
simple, and operation straightforward due to the built-in self-testing feature.
Therefore, the maintenance consists mainly in keeping the Detector window lens
clean, and performing periodic testing required by the manufacturer of the Fire
Control and Suppression System.
OPERATOR MANUAL // SECTION 1
TECHNICAL DESCRIPTION
6

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