Introduction
FV-40 Series Flame Detector
087-0056 REV F
19
Radiation Source
F4-I3, F4-
MM
Immunity
Distance
ft. (m)
F4-UV, F4-
VB
Immunity
Distance
ft. (m)
F4-2V, F4-
2B, F4-4V,
F4-4B, F4-
UF
Immunity
Dist ft.(m)
Lit cigarette
>1 (0.3)
5 (1.5)
IAD
Match, wood, stick including flare up
>13 (4)
16.5 (5)
3.3 ft. (1)
Notes: (See next page)
IAD = Immune at Any Distance.
All sources are chopped from 0 to 20 Hz.
Table 7: Welding Immunity Distance
Sensitivity Setting
Detection Range
Immunity Distance
1
50 ft. (15m)
>6 ft. (2m)
2
100 ft. (30m)
>12 ft. (4m)
3
150 ft. (45m)
>17 ft. (6m)
4
215 ft. (65m)
>25 ft. (7.5m)
1.5.4 Visual
Indicators
One 3-color LED indicator is located inside the detector window, as shown in
Figure 1. The detector statuses are listed below.
Table 8: LED Indications
Detector Status
LED color
LED mode
Fault, BIT Fault
Yellow
4 Hz - flashing
Normal
Green
1 Hz - flashing
Warning
Red
2 Hz - flashing
Alarm Red Steady
Figure 1: Indication LED
Indicator LED