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Warszawa

 

 

Control Unit 

 
 

type

 

 

USER’S 

MANUAL 

edition  2U3en

MD

-

2

 

MD

-

2.A

 

MD

-

4

 

MD

-

4.A

 

 

series 

U3

 

 

    Read carefully this entire manual BEFORE  
    installation. 
    The installation can be started after the  
    content of this manual has been fully  
    understood.

 

Follow the recommendations and  

warnings provided in this manual 

to maintain safety when installing  

and operating the unit.  

 

Keep the manual as reference for the User 

of the Two-Threshold Gas Detection System. 

MD-2(4).( A ) Control Unit, User’s Manual   edition 2U3en    

gazex’2011  v1108               

Page  

1

 /14 

 

 

1. 

Application and compatibility table  

page   2 

2. 

Specifications  

3 

3. 

Description and connection of MD in the system 

4 

4. 

Installation of MD  

7 

 

PROBLEM? Helpful tips 

10 

5. 

Maintenance / operation 

10 

 

Periodical Inspection Protocol 

12 

 

PRODUCER: 

PRODUCER:

 

©gazex ’2011 All right reserved.  Reproducing and copying of this manual in whole or part without consent of GAZEX is prohibited. 

Logo of gazex, name of gazex, dex, ASBIG, Active Safety System of Gas System are reserved trademarks of GAZEX 

Logo of TÜV CERT EN ISO 9001 is a reserved trademark of TÜV Rheinland Euroqua. 

Work and live SAFER with us!!! 

       

 

 

©gazex 

 

 

Содержание MD-2

Страница 1: ...ontrol Unit User s Manual edition 2U3en gazex 2011 v1108 Page 1 14 1 Application and compatibility table page 2 2 Specifications 3 3 Description and connection of MD in the system 4 4 Installation of MD 7 PROBLEM Helpful tips 10 5 Maintenance operation 10 Periodical Inspection Protocol 12 PRODUCER PRODUCER gazex 2011 All right reserved Reproducing and copying of this manual in whole or part withou...

Страница 2: ...etectors allows continuous 12V DC power supply for additional devices MDX terminal allows operation with additional modules cascade wise through alarm input galvanically isolated 12V voltage alarm outputs supply power to additional acoustic and optical signalling devices contact outputs galvanically isolated from the system control fans motors contactors and information boards EMERGENCY contact ou...

Страница 3: ... detector overload indication Quick release of output signals manual using TEST button under terminal strip cover simultaneous for both thresholds Unit powering control green LED indicates also heating state Contact outputs NC and NO for A1 A2 voltage free current carrying capacity max 4A with resistance load or max 2A with inductive load motors or max 0 6A with purely inductive load fluorescent l...

Страница 4: ...Ah or 17Ah PS 3 POWER SUPPLY 230V AC 12V DC power supply connection Other conections as above Cascade connection of units MD UNIT No n UNIT No n 1 main MD 12V WEJŚCIA ALARMOWE WYJ NAP 12V A1 A2 ALL SERIES A1 A2 UNIT No n 1 M M DETEKTORY 01 02 19 20 21 15 16 17 18 N L MD 2 A 1A PE 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 1 1 2 3 ...

Страница 5: ...ly ALARM1 and ALARM2 Output State lamps are on external alarm green ZASILANIE MODUŁU MODULE POWER and ZASILANIE POWER lamps of active detectors are on FAULT AWARIA MD power failure no power or main fuse burnt all lamps are out FAULT AWARIA Detector power failure at least one detector with blinking ZASILANIE POWER lamp and ALARM1 and ALARM2 Input State lamps on ALARM1 and ALARM2 Output State lamps ...

Страница 6: ...1 1 1 Normal A2 mem at the input temporary exceeding of A2 threshold of N detector e g detector test 0 1 0 0 1 1 0 1 0 ALARM 1 A1 alarm of N detector 0 1 1 0 1 1 0 Normal A1 mem at the output stored A1 state of N detector at the outputs 0 1 1 0 0 1 1 0 0 ALARM 1 external A1 alarm in progress 0 1 1 0 x x x Normal external A1 memory stored external A1 alarm 0 1 1 0 0 x x x ALARM 2 A2 alarm of N dete...

Страница 7: ...ductor into the round opening of the terminal as far as it goes If properly inserted the cable cannot be pulled out of the terminal The cable can be released and taken out only after prior pushing the lever 3 white or grey according to the arrow 3 1 9 10 mm 2 3 8 9 mm 1 4 2 2 B Introduction of conductor into spring loaded terminal of cage type 1 Remove insulation from exactly 5 to 6 mm long sectio...

Страница 8: ...C power supply E cable from the PS power pack with battery connected observe polarity module is secured against reverse polarity Cross sectional area of E cable conductors Length of E cable 1 5 mm2 12m 2 5 mm2 20m 4 5 1 Turn on module power supply Presence of power and proper powering of circuits are indicated by lighting of green lamps and ZASILANIE POWER of the active detectors and the blinking ...

Страница 9: ...ontrol lamps to go out 4 8 5 Procedure of control of outputs can be simplified by pressing TEST button on the module terminal board and holding it pressed for a couple of seconds Immediately after the button is pressed only two Output State control lamps should light up and corresponding control signals should be present on both outputs Upon releasing the button both Output State lamps will start ...

Страница 10: ... and ALARM2 lamps and or Input State ALARM1 or ALARM2 lamps of a specific detector are permanently lit intermittent sound emitted by the internal siren green ZASILANIE POWER lamp of the specific detector is blinking green AWARIA SYSTEMU SYSTEM FAILURE lamp is on overload above 200mA or shorting of power circuit of the specific detector remove the cause of the short circuit or the line overload tur...

Страница 11: ...r the system configuration etc 5 2 During operation do not use mobile phones radiophones or other sources of strong electromagnetic field in direct vicinity of MD as their use may cause interference in operation of MD or false alarm states CAUTION IMPORTANT 5 3 All results of each system inspection performed according to 4 8 of this manual events when A2 state was activated including actions taken...

Страница 12: ... fill in the table before System installation DEVICE type VERSION calibration SERIAL NUMBER REMARKS location The protocol includes five numbered sheets with gazex logo on the reverse side DETECTOR SYSTEM START UP DATE of the start up Time Remarks on the system components Remarks on place or method of installation Actions taken Started up by full name Signature 01 02 MD 2 4 A Control Unit User s Ma...

Страница 13: ... Time DETECTOR No state RESPONSE OTHER symptoms valve condition Actions taken Legible signature of the inspector full name 1 2 3 4 5 6 7 8 MD 2 4 A Control Unit User s Manual edition 2U3en gazex 2011 v1108 Page 13 14 ...

Страница 14: ...MD 2 4 A Control Unit User s Manual edition 2U3en gazex 2011 v1108 Page 14 14 ...

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