OPERATOR MANUAL //
SECTION 1: FAMILIARIZAT ION
HONEYWELL
4
SECTION 1: FAMILIARIZATION
1.1
Introduction
The
M odel SS4-AI Infrared Flame Detectors
can be used in the FS2000
Fire Early Warning System or in the Stand-Alone mode. This model is
housed in an Explosion-Proof enclosure and incorporates built in optical
testing of both the Detectors and lens.
The Detector maximum alarm range is 45 feet for a one square foot
gasoline with a 120 degree circular field of view. This Detector design
features dynamic signal processing that utilizes infrared band and visible
band sensor elements.
For Special Applications Only – Consult
Factory.
The only difference between a FS2000 System Model SS4-AI
Detector and a Stand-Alone SS4-AI Detector is how each is wired
and the use of the fault relay. However, there are operational
advantages when the Model SS4-AI Detector is connected to a
FS2000 Controller and FireBus.
The Model SS4-AI Detector also has the flexibility to be re-configured in
the field. It is simple to install and operate because its built in self-testing
does most of the work. The only real maintenance is to wipe the Detector
window lens clean and perform any periodic testing required by the
manufacturer of the Fire Control and Suppression System.
1.2
Stand-Alone Operation
For Stand-Alone operation, the Model SS4-AI Detector may be connected
to a FM/UL Approved Fire/Security Panel. The Model SS4-AI Detector
operates on 24 volts DC. The Model SS4-AI Detector, when operated in
the Stand-Alone mode, uses its Fire, Fault, and Verify (optional) relays to
interface to FM/UL Approved Fire /Security Panels. For Stand-Alone
operation, the Model SS4-AI's Fault relay is
automatically
configured by
its on-board microcomputer. The input current of the Model SS4-AI
Detector increases about 15 milliamps in the Stand-Alone mode compared
to with connected to theFS2000 System. The Fault relay is not available
for use when the Model SS4-AI Detector is wired to the FS2000 System.
1.3
FS2000 System Operation
For FS2000 System operation, the Model SS4-AI Fire and Fault signals are
sent digitally to the FS2000 System Controller using the four wire FS2000
FireBus. The FireBus provides the 24 volts DC power for the Model SS4-
AI Detector and RS-485 digital communication (Refer to Honeywell
Analytics document MN0003 entitled "FS2000 FIRE EARLY WARNING
SYSTEM - INSTALLATION and OPERATIONS GUIDE"). For special
remote alarm applications, users may connect directly to the Model SS4-
AI's Fire four pin relay connector. (Note: When the Model SS4-AI Detector
is connected to the FS2000 System using FireBus communication, the
Controller
automatically
disables the Model SS4-AI's Fault relay.)
