Specifications; Mechanical; Electrical - Honeywell FS20X Series User Manual

FS20X Fire and Flame Detectors

Specifications

Mechanical

Description
Enclosure Materials
Assembly
Dimensions
Mounting holes ¼ in. (6.35 mm) Dia, 5½ in. (139.70 mm) center-to-center
Conduit entries Two ¾ in. NPT or two 25 mm
Aluminum
Weight
Stainless steel
Enclosure Rating
Vibration

Electrical

Description
Input voltage range
Normal operation current
Maximum fire alarm current
Relay contact rating
2, 3
Analog current output
Screw terminal wire sizes
1
The heater circuit turns on only when the temperature drops below 0° F (-17° C).
2
400 ohms maximum load (loop resistance}
3
If the "verify time" is not zero, the alarm level = 16 mA and the verify level = 20 mA. If the verify time
is zero, alarm level = 20 mA and the verify level = 20 mA.
38
copper-free aluminum (red)
316 stainless steel
4.35 in. (110.49 mm) H × 4.81 in. (122.24 mm) Dia
3 lbs. 11 oz. (1.7 kg) approximately
7 lbs. 7 oz. (3.4 kg) approximately
IP66, NEMA 4, NEMA 4X
meets or exceeds Mil Spec 810C, Method 514.2, Curve AW
18 VDC to 32 VDC
85 mA (nominal), 175 mA (nominal with heater
135 mA (maximum), 220 mA (maximum with heater
1 Amp @ 24 VDC resistive
0.0 to 20.0 mA (Non-isolated source or sink, user selectable)
0.0 mA (<0.6 mA) = Fault
2.0 mA (±0.6 mA) = Dirty window
4.0 mA (±0.6 mA) = Normal, safe (no fault, no fire)
8.0 mA (±0.6 mA) = Background IR
12.0 mA (±0.6 mA) = Background UV
16.0 mA (±0.6 mA) = Fire alarm
20.0 mA (±0.6 mA) = Verified fire alarm
12 AWG to 22 AWG (2.50 mm to 0.762 mm; use stranded
conductors, not solid core)
Value
Value
1
)
1
)