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Main Compatible Probes

1

4

0

1 4 0

1

4

0

1 0 8

7 7

SG500

Catalytic

IP30

Domestic  Use

CH4-LPG

0÷100% LEL      4÷20 mA

±5 %

NO

NO

SG544

Catalytic

IP44

Tertiary

CH4-LPG

0÷100% LEL       4÷20 mA

±5 %

NO

NO

SGM595

Catalytic

IP55

Tertiary

See  catalogue

0÷100% LEL       4÷20 mA

±5 %

Yes

NO

SGM595/A

Catalytic

IP66

Zone  2

See  catalogue

0÷100% LEL       4÷20 mA

±5 %

Yes

NO

SGM533

Catalytic

IP55

Tertiary

See  catalogue

0÷100% LEL       4÷20 mA

±5 %

Yes

Yes

SG800

Catalytic

IP66

Zone  2

See  catalogue

0÷100% LEL       4÷20 mA

±5 %

Yes

Yes

HCF100

SemiCondut

IP55

Tertiary

FREON

0÷300% ppm     4÷20 mA

±5 %

NO

Yes

SG895

Pellistor

ATEX

Zone  1

See  catalogue

0÷100% LEL       4÷20 mA

±5 %

Yes

NO

SG580

Catalytic

IP66

Zone  2

See  catalogue

0÷100% LEL       4÷20 mA

±5 %

Yes

NO

SGF100

Catalytic

IP64

Zone  2

Methane

0÷100% LEL       4÷20 mA

±5 %

Yes

Yes

SGF102

Catalytic

IP64

Zone  2

LPG

0÷100% LEL       4÷20 mA

±5 %

Yes

Yes

SGF104

Optical  Fluores

IP64

Zone  2

Oxygen

In  %

  4÷20 mA

±5 %

Yes

Yes

SGF106

SemiCondut

IP64

Zone  2

FREON

0÷300% ppm     4÷20 mA

±5 %

Yes

Yes

SGF108

Elettrochimica

IP64

Zone  2

H2S

0÷300% ppm     4÷20 mA

±5 %

Yes

Yes

SGF110

Electrochemical IP64

Zone  2

C O

0÷300% ppm     4÷20 mA

±5 %

Yes

Yes

SGF112

Catalytic

IP64

Zone  2

Hydrogen

0÷100% LEL       4÷20 mA

±5 %

Yes

Yes

CO100r

Electrochemical IP55

Tertiary

C O

0÷300% ppm     4÷20 mA

±5 %

Yes

Yes

CO100Ar

Electrochemical IP66

Zone  2

C O

0÷300% ppm      4÷20 mA

±5 %

Yes

Yes

SG800

duct

Catalytic

IP66

Zone  2

CH4LPG

0÷100% LEL        4÷20 mA

±5 %

Yes

Yes

CO200

duct

Electrochemical IP66

Zone  2

C O

0÷300% ppm      4÷20 mA

±5 %

Yes

Yes

Application  in:

Domestic:  family  accommodation.  Local  boilers  up  to  70  kW-h
Tertiary  Areas:  Large  Rooms  Boilers,  Workshops,  Material  Deposits,  Industrial  Kitchens,  Large  Buildings,  Buildings.
Zone  2  -  Mixed  IP66  ATEX:  High  probability  of  escape,  high  risk  locations,  premises  for  which  applicable  regulations  apply.
Zone  1  -  Hazardous  Area,  High  Risk  Hazards,  Rooms  for  Which  Regulations,  Tanks,  Control  Valves  are  in  force.

Probe

Sensor          Degree     Suitable for

 Gas

  Range             Output          Precis.        Calibration  Relay

Protec.                           Detected        Working                                            Automatic

                Sensor

Page 3

Screws5 ma

Brackets

1

4

4

1 4 4

BX444-Mc

000

LEL
ppm

1   2  3   4

Содержание BX444-Mc

Страница 1: ...mall underground car parks The BX444 M control unit has three danger levels 1st LEVEL 1st Alarm This was set to 8 of L E L 120ppm 2nd LEVEL 2nd Alarm This was set at 13 of L E L 200ppm 3rd LEVEL Main Alarm This was set at 20 of L E L 300ppm For oxygen the centrol unit BX444 Mc presents three levels of danger which are 1st Pre Alarm Both in deficiency and excess of Oxygen 2nd Pre alarm Both in defi...

Страница 2: ...f Conventional Sensors that can be connected 4 Micro switches to include or exclude the probes 1 per each probe Connectable probes Semi conductor Catalytic Electrochemical cell Pellistore Infrared Rays Type of faults detected by Fault Circuit Interruption short circuit or wear Input Signal 4 20 mA on 220 ohm Device Accuracy 1 FS Response Time 2 Control Unit microprocessor Functioning Temperature 1...

Страница 3: ...FREON 0 300 ppm 4 20 mA 5 Yes Yes SGF108 Elettrochimica IP64 Zone 2 H2S 0 300 ppm 4 20 mA 5 Yes Yes SGF110 Electrochemical IP64 Zone 2 C O 0 300 ppm 4 20 mA 5 Yes Yes SGF112 Catalytic IP64 Zone 2 Hydrogen 0 100 LEL 4 20 mA 5 Yes Yes CO100r Electrochemical IP55 Tertiary C O 0 300 ppm 4 20 mA 5 Yes Yes CO100Ar Electrochemical IP66 Zone 2 C O 0 300 ppm 4 20 mA 5 Yes Yes SG800duct Catalytic IP66 Zone ...

Страница 4: ... LED blinks when one of the connected probes is faulty if there is an interruption in the cable connection or if an error was made during wiring When this LED is blinking the device is no longer capable of detecting To reactivate the device the damaged probe must be repaired or disabled using the internal micro switch see chapter 6 paragraph A and then the RESET button must be pressed 11 EXPLOSIVE...

Страница 5: ...000 a ppm LEL 1 2 3 4 d b 00LEL 300ppm The blu display shows the percentage of oxygen normal condition 20 6 20LEL FAU The green display shows an absence of leakage of gas normal conditione The display shows with red color a concentration of explosive gases in LEL greater than a threshold alarm The display shows with red color a concentration of toxic gases ppm greater than a threshold alarm The ye...

Страница 6: ... connections according to Regulations in force keeping in mind that the signal cables should be laid separate from the power cables An automatic cut off switch appropriately identified as devicesectioning of the detector should be incorporated in the electrical system adequatelylocated and easily accessible Electrical Connections Diagram of the terminal block relay Power supply 110 230 VAC PH N 4 ...

Страница 7: ...nnection examples Power supply 230 12V Diode 1N 5406 1 2 3 4 5 6 7 8 3 2 1 Probe 1 3 2 1 Probe 2 3 2 1 Probe 3 3 2 1 Probe 4 R1 R2 R3 R4 Solenoid valve GAS and Sirens 12 VDC 12 V If a 12Vdc solenoid valve which does not work well is connected to the BX444 Mc Direct connection of 12VDC solenoid valves or sirens to the BX444 Mc is not permitted An external power unit must always be used The BX444 Mc...

Страница 8: ...On the next pass the LED probe will be maintained again and the alarm will be issued In case of fault The LED of the relevant probe starts blinking and remains lit The display will show the FAU Fault fixed indication and the buzzer will issue a continuous sound until 1 The repair has been carried out 2 The relevant probe has been disabled using the micro switch 1 2 4 3 Sensors Probe Identification...

Страница 9: ...memory and the relay switches off when the connected probe no longer detects gas In compliance with the rules this function becomes active only when you select the detection of Toxic Gases reading in ppm Switch 2 4 Selecting of the control unit in oxygen detection mode By setting the micro switch to ON the device is ready to detect the oxygen The display changes color and becomes BLU ATTENTION Sel...

Страница 10: ...ition of the detection sensors You can connect many types of remote sensors to this unit Therefore they should be positioned at different heights depending on the type of gas to be detected These heights are 30 cm from the lowest point of the floor in order to detect Heavy gases L P G etc 30 cm from the highest point of the ceiling in order to detect light gases Methane etc 160 cm from the lowest ...

Страница 11: ...rectly connected If the Fault LED lights up Check that the connecting cables from the BX444 Mc to the probes are intact that the probes are properly powered and that the signal cable is correctly connected If the Over Load Probe LED lights up Check that the power polarity has not been inverted that no short circuit is present that the probes were not damaged during installation that no excessive c...

Страница 12: ...r example sales points in case you buy a new and similar product local collection points waste collection center local recycling center etc By ensuring this product is disposed of correctly you will help prevent potential negative consequence for the environment and human health which could otherwise be caused by inappropriate waste handing of this product The recycling of materials will help to c...

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