Andel Floodline DD-14 Посібник з монтажу та експлуатації - Сторінка 6
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Status
Alarm LED
Normal
off
A1
flashing 1s
A2
flashing 0.5
A3
on
Fault
off
Once the gas concentration falls below the leak threshold the detector will automatically
reset.
Technical Specifications
Power supply
Supply current
Operating temperature range
Relative air humidity range
Gas sensor
Detectable gases
Interfering factors
Alarm thresholds (standard)
Alarm threshold accuracy
Threshold thermal stability
Long term stability
Calibration interval
Communication port
Signaling:
optical
acoustic:
Relay output
Dimensions
Housing, weight
Power LED
Fault LED
on
off
flashing
off
flashing
off
on
off
flash
flash
24V DC (range: 10 ÷ 30V)
max 30mA @24V DC
from -5 C up to +45 C recommended,
-15 C to +50 C allowed periodically (<1h/24h)
from 30% to 90% RH
semiconductor type, in a removable module;
estimated life time in the clean air - about 10 years
DD-11: Natural gas/CNG, other hydrocarbons
DD-14: Natural gas /CNG (methane selective);
DD-15: propane-butane/LPG, other hydrocarbons
DD-22: carbon monoxide, range 20 ÷ 1000 ppm
DD-61: HFC (Freon) type R134A, R407C or R410A
hydrogen, alcohol (high concentrations), chloride, a
significant oxygen deficiency (<19% vol.), a large, rapid
increase in humidity,
long-term presence of gases with concentrations> 1% LEL
(combustible gases) or > STEL (toxic gases)
ALARM = 2000ppm Freon R410A (DD-61)
or 100ppm CO (DD-22);
or 15 % LEL
(combustible gases
15% rel. for the recommended calibration conditions
15% in range 0 C to 40 C
20% rel./year, not more than 30% in 3 years
recommended: < 36 months
RS-485 isolated, MODBUS RTU protocol; plug in connectors
lamps: LED – ALARM = red; POWER = green Fault Yellow
65dB/30cm, piezoceramic buzzer
NO/NC type; max 2A/30VDC; plug in connectors
100 x 80 x 30 mm, H x W x D
ABS, IP30; approx. 90 g
Relay
Buzzer
off
off
off
on
on
on
on
on
off
on
-DD-11,14,15)
(switchable by
FLD DD Gas Sensor 22.03.2022 Rev.0
jumper)
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