OPERATOR MANUAL // SECTION 1: TECHNICAL DESCRIPTION
HONEYWELL 6
SECTION 1: TECHNICAL DESCRIPTION
1.1 Features and Specifications
1.1.1 General Description
The Model SS4-A/-A2 Optical Fire/Flame Detectors are fast reacting (within
5 seconds), digital, configurable, computerized, “smart” units. This Detector
has sensitivity to Type A, B, and C flaming 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 sensors correspondingly. They are equipped with SRL-BIT (Built-In-
Test) for optical “through the lens” of both the sensors and lens. The Model
SS4-A/-A2 UV, IR, and VIS Fire Detectors have false alarm immunity, and
adjustable alarm range between 15 and 60 ft. for a one square foot
gasoline pan fire, with a 120-degree (± 60 degrees from the axis) conical
field of view. Their microprocessor-based algorithms (FirePic,
SnapShot, and Tri-Mode Plot) assure time programmable alarm
verification, Fire Signature Analysis, and compatibility with standard
approved fire alarm panels.
The Detector also 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.
Other Specifications:
Housing: Explosion-Proof, Copper-free Aluminum (< 0.4%) with
powder coated finish, or optional 316 Stainless Steel, NEMA
type 3 and type 4 weatherproof, tamper-resistant with integral
dual ¾ inch NPT conduit openings.
Marking: Class I, Div. 1 & 2, Groups B,C, & D
Class II, Div. 1 & 2, Groups E, F, & G
Class III
Class I Zone 1 AEx d IIC
Ex d IIC; Ex tb IIIC
Temperature: Operation: -40 to +85°C (-40 to +185º F)
Storage: -55 to 105°C
Humidity range: 10% to 90% (RH), non-condensing
NOTE: The supply connection wiring shall be rated at
least 10°C above the rated service temperature (95°C for T4
applications and 85°C for T5 applications). See Figures 8
and 9 on Page 17 of this Instruction Manual.
Weight: Aluminum housing is approximately 3.8 lbs.
Stainless Steel is approximately 8.9 lbs.
Dimensions: 4.81 inches diameter by 4.40 inches high
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