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Gas Alarm Controller AEC2302a

Types of Gas Detected:%LEL, ppm and %VOL
Alarming Mode:Audible-visual alarm
Display:Nixie tube display
Working Voltage:AC176V~AC264V (50Hz±1%)
Power Consumption:≤10W
Standby power supply:DC12V/4Ah x 2


Technical Specifications


Name Parameter
Types of Gas Detected %LEL, ppm and %VOL
Operating Voltage AC176V~AC264V (50Hz±1%)
Power Consumption ​≤10W (Excluding supporting equipment)
Signal Transmission Four-bus system (S1,S2,+24V,GND)
Signal Transmission Distance 1500m (2.5m㎡)

Total number of detectors and input modules≤16

Number of expandable output modules: ≤1

Alarming Mode Audible-visual alarm
Display Nixie tube
Mounting Mode Wall-mounted
Boundary Dimensions Length x Width x Thickness:420mm x 320mm x 120mm

Major Features

    1.jpg Bus signal transmission, strong system anti-interference capability, cost-efficient wiring, convenient and efficient installation;

    1.jpg Real-time gas concentration (%LEL/ppm/%VOL) monitoring interface or time display interface for user’s choice;

    1.jpg Free setting of two level alarm values and three alarming types (rising/falling/two-level);

    1.jpg Automatic calibration, and automatic tracing of sensor ageing;

    1.jpg Automatically monitoring failure; correctly showing the failure location and type;

    1.jpg Strong logic programming and free configurations of output modules can realized remote automatic control over various kinds of external equipment; four programmable emergency buttons can manually output control signals;

    1.jpg Strong memory: historical records of the latest 999 alarming records, 100 failure records and 100 startup/shutdown records, which will not be lost in case of power failure;

    1.jpg RS485 bus communication (standard MODBUS protocol) interface to realize communication with the host control system and networking with the fire and gas network system, to improve system integration.


Product Architecture

1. Side lock

2. Cover

3. Horn

4. Bottom box

5. Bus connection terminal

6. RS485 bus communication interface

7. Relay connection terminal

8. Incoming hole   

9. Power supply terminal

10. Grounding terminal

11. Switch of main power supply

12. Switch of standby power supply

13. Switch power supply

14. Standby power supply

15. Control panel



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