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Model SS4-AUV/-AUV2 Ultraviolet (UV) Digital Electro-Optical Fire Detector
Installation Guide and Operating Manual
MAN0927_V3_1510-005_Rev H_06-13
The Model SS4-AUV/-AUV2 Ultraviolet Fire Detectors have been manufactured in compliance with the
requirements of the ISO-9002 standard and have been approved by:
•
Factory Mutual (FM) for the United States
•
CSA for Canada
1.1
Features and Specifications
1.1.1
General Description
The Model SS4-AUV/-AUV2 Ultraviolet Fire/Flame Detectors are fast-reacting (within 5 seconds), digital,
configurable, computerized, "smart" units. They are capable of solar-blind flame detection in the ultra-violet
spectral range (185 to 260 nanometers) utilizing long-life twin ruggederized UV sensors. They are
equipped with SRL-BIT (Built In Test) for optical "through the lens" of both the sensors and lens. The
Model SS4-AUV/-AUV2 Ultraviolet Fire Detector has sensitivity to Type A, B, and C flaming fires, false
alarm immunity, and an alarm range between 15 and 60 ft. to 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. The SS4-AUV/ SS4-AUV2 are UV only detectors and are for
indoor applications where UV noise sources, such as welding, are not present.
1.1.2
Detector Technical Specifications
1.1.2.1
Enclosure Material:
Physical Dimensions:
Center
Weight:
Enclosure Rating:
Vibration:
1.1.2.2
Input Voltage Range:
Normal Operation Current:
Maximum Fire Alarm Current:
Relay Contact Rating:
Analog Current Output:
(
400 Ohms Max Load
Screw Terminal Wire Sizes:
APPROVALS
TECHNICAL DESCRIPTION
Mechanical Specifications
Assembly 4.35 in. (
Mounting Holes ¼ in. (
Conduit Entries Two (2) ¾ in. NPT or Two (2) 25 mm
Aluminum 3 lbs. 11 oz. (
Stainless Steel 7 lbs. 7 oz. (
Electrical Specifications
)
SECTION 1
Copper Free Aluminum
316 Stainless Steel
110.49 mm
) Diameter, 5.50 in. (
6.35 mm
1.7 kg
3.4 kg
IP66 / NEMA 4X
Meets or exceeds Mil Spec 810C,
Method 514.2, Curve AW
18 VDC to 32 VDC
60 mA (
nominal
85 mA (
maximum
1 Amp @ 24 VDC resistive
0 to 20 mA (
Source or Sink, User Selectable
0.0 mA (
<0.6 mA
2.0 mA (
±0.6 mA
4.0 mA (
±0.6 mA
20.0 mA (
±0.6 mA
12 AWG to 22 AWG (
Use stranded conductors (
) Height X 4.81 in. (
122.24 mm
139.70 mm
) approximately
) approximately
)
205 mA (
nominal with heater
)
235 mA (
maximum with heater
)
) = Fault
) = Dirty Window Lens
) = Normal, Safe (
no Fault, no Fire
) = Verified Fire Alarm
2.50 mm to 0.762 mm
)
n ot
solid core
U
U
) Diameter
) Center to
1
)
P
P
1
)
P
P
)
)
1
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