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3-2.    SENSOR

   

 

 
 

1

  Connector (terminal block) 

2

  Zero calibration:    We release the detector with it being set. Do not attempt to modify 

3

  Concentration light:    The brightness of yellow light changes in proportion to the 

            Concentration of gas (eliminated in normal condition) 

4

  Power supply light:    Green LED is lit while supplied with power 

 
 
 
 
 
 

Blue (White) 

+

 

Brown (Black)

-

 

Green (Wire of signal) 

Power supply of sensor 

(DC 24V) 

Power supply of sensor 

– 

(DC 24V GND) 

Output of Sensor (4~20mA) 

Содержание EW-403

Страница 1: ...DETECTOR REFERANCE MANUAL MODEL EW 403 LNG LPG NOTICE Surely be aware of the specifications by skilled worker prior to using the product Surely keep the specifications to where you are always able to...

Страница 2: ...PART FUNCTION 2 1 INDICATOR 2 2 SENSOR 3 COMPOSITION 3 1 INDICATOR 3 2 SENSOR 4 OPERATIONAL SYSTEM 5 INSTALLATION 5 1 Where to install 5 2 Installation drawing 6 INSTRUCTION CAUTIONS 7 DIMENSIONS User...

Страница 3: ...arm Yellow LED blinking Buzzer Sound above 70dB Operating Green LED Fault Yellow LED buzzer sound short sound Warmup Time about 1 min Cabling VCT CVVS above 0 75mm Dimensions 149 259 87mm Output DC 12...

Страница 4: ...d again Buzzer becomes audible again Reset button It allows the user to reset the value of the concentration But if the Concentration of gas exceeds alarm point the alarm condition is not reset LED do...

Страница 5: ...ng the detector by bolts or nails Sensor protection filter Sensor protection filter bronze 300mesh Ground earth M4x6mm Cable grand Do sealing fitting properly or access using cable glands passed the s...

Страница 6: ...In normal condition COM terminal is connected with NC terminal And in alarm condition COM terminal is connected with NO terminal Sensor connector terminal block Please match the wire with terminals i...

Страница 7: ...oncentration light The brightness of yellow light changes in proportion to the Concentration of gas eliminated in normal condition 4 Power supply light Green LED is lit while supplied with power Blue...

Страница 8: ...ns and condition If you are to detect the gas that is heavier than air sensor be mounted at Floor or the wall within 30cm from floor and if you are to detect the Gas that is lighter than air sensor sh...

Страница 9: ...minute in 1minute the detector begins to operate Fault light ERROR on the UNIT panel gets lit when the fuse for the Sensor has blown or the connection wire between the sensor and The indicator is dis...

Страница 10: ...ion of the Sensor 5 Be careful not to damage the power cord 6 Be cautious about using the silicon glue which could affect the Sensor Silicon glue could cause malfunctioning 7 Please use the rated volt...

Страница 11: ...7 Dimensions...

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