Honeywell SS4-AI Installation Manual And Operating Manual page 7

Infrared (ir) digital electro-optical fire detector
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HONEYWELL
allow the detectors to be optimized for the specific application. The DIP
switch settings for each configuration are listed in Table 2: Configuration
Dip Switch Settings on page 12. The reconfigurable options include:
1.
Fire Verify Relay - The Verify Relay may be disabled or enabled
with several Verify Time settings. It also may be set to act as another Fire
Relay. The Verify Time may be set from 5 to 30 seconds in 5 second
increments. The Factory setting is the Verify Relay is Disabled.
With the Verify Relay enabled and a Verify Time is set the Verify Relay will
energize and the Fire Relay will de-energize if the fire conditions are still
present at the end of the Verify Time. If the fire conditions are not present
the Detector will wait 5 seconds plus another Verify Time period to test for
the fire conditions. This wait and verify time will repeat 10 times or until
the fire is verified. This ends the verify process. If the fire is not verified
the Fire Relay will remain energized unless Non-Latching mode is set. If a
subsequent fire is detected the entire verify process will repeat. The state
of the Fire and Verify Relay after the verify process will depend upon
whether Latching or Non-Latching mode is set.
NOTE: When the Verify Relay is enabled and Verify Time is
set the Fire Relay will de-energize when the Verify Relay is energized.
2.
Latching / Non-Latching - The Fire Relay and Verify Relay may be
set in a Latching or Non-Latching mode. If Latching mode is set the Fire or
Verify Relay will remain energized until the Detector is reset (Powered
down and up). When Non-latching mode is set the Fire Relay will reset
after 10 seconds. Unless the Verify Relay is enabled with a Verify Time,
then the Fire Relay will remain energized until the Verify Relay is energized
or until the end of the verify process. (see Fire Verify Relay above.) If the
Verify Relay is energized the Verify Relay will de-energize after 10
seconds. The Factory setting is Latching. Non-Latching mode may not
meet some Fire Codes. Consult with authority having jurisdiction before
using the non-Latching setting.
3.
Test Period - This setting if for the Through-the-Lens test. The
Through-the-Lens test is run periodically. The test period may be set to 6
or 30 minute periods. The Factory setting is 30 minutes. If 6 minute
periods are set this may affect the life expectancy of the source tube. The
6 minute period may be required in applications where the lens is obscured
with great frequency.
4.
Fire Detection Range Setting - 15, 30, or 45 feet. The SS4-AI
Detector has been calibrated to alarm on an industry standard 1 sq. ft.
gasoline fire for each of the range settings. If the Range is set to 15 feet,
the detector will require a much larger gasoline fire at 45 feet to declare an
alarm. These settings are not simply sensitivity settings. They are
calibrated to the characteristics of fire emissions at the set ranges. The
Factory setting is 45 feet. This setting should only be changed if the
detector is located close to the fire threat area and there is abnormally high
IR activity.
OPERATOR MANUAL //
SECTION 1: FAMILIARIZAT ION
6

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