FGD FlameSpec IR3-H2, User Manual

Page: 15 / 30

FlameSpec IR3-H2 User Manual F150V0020.04
For more information & Technical support: (+1) 714-671-8500 · support@fg-detection.com 10
3 Configuration options
Some functions of the detector can be configured using an RS-485 modem connected to a computer
with
the “FDG communicator” software. These configuration options are listed in the following table
along with their factory default values.
T
ABLE
1: D
ETECTOR
C
ONFIGURATION
O
PTIONS
Function Options Default Setting
Sensitivity Low, Medium, High, Extreme Medium
Ultra-fast detection Disabled, Enabled Disabled
Alarm Delay 0, 5, 10, 20 or 30 seconds 0 seconds (no delay)
Alarm Latch Disabled, Enabled Disabled
Window Heater Disabled, Enabled Enabled
Modbus address 1 – 247 1
Manual BIT – Alarm Output Test Disabled, Enabled Disabled
•
Note: Medium sensitivity setting allows detection of a 1x1ft
2
(0.1m
2
) N-heptane pan fire at a
distance of 100ft (30m).
3.1 Sensitivity
The detector can be configured to one of three sensitivity levels: low, medium and extreme. The
following table lists for each sensitivity setting the maximum distance, in which a standard hydrogen
fire
1
would be reliably detected.
T
ABLE
2: S
ENSITIVITY LEVELS
Sensitivity level Detection distance in feet (meters)
Low 33 (10)
Medium 66 (20)
Extreme 98 (30)
1
A standard hydrogen fire is defined as a 32-in Plume of H2 fire, with maximum wind speed of 6.5
ft/s (2 m/s).