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2
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F-Guard IR3 HD User Manual
Model Number Description
Model No is defined as follows
:
F-Guard-IR3-HD - A
S
X
X
1 Standard with RGB camera
2 Like model 1 with Near IR camera
3 Like model 1, but recommended for Hangar, Helideck,
Petroleum Loading Racks with RGB camera
4 Like model 3 with Near IR camera
5 Like model 1 but with a fast response mode that is designed
for, but not limited to, automotive spray paint applications
where compliance with 0.5s response (per NFPA 33) is
needed. With RGB camera
1 M25
2
¾
” NPT
1.2.1
Enhanced performance options
•
Option 3: Increased false alarm immunity in presence of hot CO2. Recommended for
Hangar, Helideck and Petroleum Loading Racks
•
Option 5: Design for, but not limited to, automotive spray paint applications where
compliance with 0.5s response (per NFPA 33) is needed
Internal tests
During normal operation, the flame detector performs self-tests of its optics, electronics and
software. These include a periodic BIT (Built-In-Test) in which the sensors and window
cleanliness are tested. Any detected fault is indicated as shown in Table 4 (in section 4.1).
During the “Dirty Window” fault the detection sensitivity is significantly reduced, while “Fault”
refers to critical faults which prevent flame detection.
