FlameSpec
IR3-HD
User Manual
F101V0020.05
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2
1.2
Model Number Description
Model No are defined as follows:
FLS-IR3-HD - X
S
X
1
1
-
M
25
2
-
¾
”
NPT
A
–
ATEX, FM
1.3
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 5.1). D
uring “Dirty Window” fault the detection sensitivity is
significantly reduced, while
“Fault” refers to critical faults which
totally prevent flame detection.
