background image

www.atestgaz.pl

2

Closed loop configuration

Cross-section of

a single cable

conductor

[mm

2

]

Alpa EcoTerm XT Gas Detector

System without backup battery supply

(U

IN

 = 24 V)

System with backup battery supply

(U

IN(min)

 = 20 V)

L1 [m]

L2 [m]

Quantity of detectors

L1 [m]

L2 [m]

Quantity of detectors

1

61

541

17

58

448

14

93

543

16

90

450

13

128

548

15

127

457

12

166

556

14

167

467

11

207

567

13

213

483

10

1,5

56

656

21

33

543

18

88

658

20

64

544

17

122

662

19

97

547

16

157

697

18

132

552

15

195

705

17

170

560

14

2,5

41

881

29

40

730

24

72

882

28

72

732

23

104

884

27

104

734

22

139

889

26

138

738

21

171

891

25

174

744

20

207

897

24

211

751

19

Table 4: Maximum quantity Alpa EcoTerm XT detectors – closed loop configuration

Atest-Gaz

 

A. M. Pachole sp. j.

ul. Spokojna 3, 44-109 Gliwice, Poland

VAT No.: PL 9691433231

tel.: +48 32 238 87 94

fax: +48 32 234 92 71

e-mail: [email protected]

p. 2/3

Appendix: PU-Z-106-ENG R01

Figure 2: Closed loop configuration for Alpa EcoTerm XT detectors

Control

unit

Detectors installed 30 m apart

Length L2 [m]

Length L1 [m]

Alpa

EcoTerm XT

Alpa

EcoTerm XT

Alpa

EcoTerm XT

L1 – distance T-connector of the first detector from the control unit
L2 – distance T-connector of the last detector from the control unit (also the length of loop return cable)

Содержание Alpa EcoTerm XT

Страница 1: ...POD 044 ENG R01 User Manual Gas Detector Alpa EcoTerm XT Product code PW 100 NG...

Страница 2: ...tel 48 32 238 87 94 fax 48 32 234 92 71 e mail contact atestgaz pl www atestgaz pl We design manufacture implement and support Systems for Monitoring Detection and Reduction of gas hazards We invite...

Страница 3: ...ices in not allowed Engineering of a gas safety system for any specific facilities to be safeguarded may need consideration of other requirements during the entire lifetime of the product Use of unaut...

Страница 4: ...6 9 1 Transport 16 9 2 Set up 17 9 3 Start up 22 9 4 Periodical operations 23 9 5 Utilization 24 10 Technical specification 25 11 List of consumables 26 12 List of accessories 26 13 Product marking 26...

Страница 5: ...l unit into an open bus system 13 Figure 4 Connection with the Alpa MOD LED1 control unit into a closed bus system 13 Figure 5 Connecting into two open bus systems servicing two zones 14 Figure 6 Sett...

Страница 6: ...s a bus layout or a star layout quick calibration of the detector by simple replacement of the MniPel Head reduction of the calibration time three alarm thresholds indication of detector failures or i...

Страница 7: ...oes not require special attention of the user except for possibly frequent readout preferably daily systematic ordering of inspections see subsection 9 4 3 In that mode the detector can present histor...

Страница 8: ...signalled by the detector may concern breakage of the bus abnormal values of currents flowing into the detector incorrect settings of the configuration switch 1 2 5 Warm up After powering the detector...

Страница 9: ...hen performing repair building and maintenance works secure the device in a proper way Before painting the walls make sure the device is secured Before painting the floors make sure the device is secu...

Страница 10: ...nector XT control unit Parameters see section 10 Negative power pole S2 Signal line S2 S1 Signal line S1 Positive supply pole Table 2 Electric interface description 5 User interface The detectors have...

Страница 11: ...lure The detector works properly gas concentration below the determined thresholds The detector also indicates an interruption of electric interconnections or incorrect values of electric current see...

Страница 12: ...Stored state Warning 1 Warning 2 Alarm Failure Table 4 Signalling archive status SW3 in position 1 The way how historical events are indicated by means of front panel LEDs for the light intensity swi...

Страница 13: ...ontrol Unit In this way it is possible to improve the power supply conditions of the sensor and resistance to damage In this system it is also possible to check the loop continuity and the regularity...

Страница 14: ...ector switch setting for detectors working in the system of a closed alarm loop and detectors working in the open alarm loop system except for the last detector Architecture Detector location Settings...

Страница 15: ...explained in Section 5 In case of very high facilities it is recommended to move the switch for the light intensity setting to position 1 LED bright strong When facilities are pretty low for instance...

Страница 16: ...1 The detector works as the last one Incorrect setting of the configuration switch see section 7 1 Table 7 Reasons for failure signalling 9 Life cycle 9 1 Transport The device should be transported i...

Страница 17: ...cordance with the general principles of performing measurement and control systems3 Cables should be installed in a way protecting them from damage Installation in cable ducts is required All activiti...

Страница 18: ...be ended with clamp sleeves If there is a need to connect two conductors in one terminal of the device the only allowable option is to connect them in a common clamping sleeve details are provided in...

Страница 19: ...etector see Figure 8 Connect cables leading from each specific detector to a relevant channel of the control unit Upon powering up the control unit should indicate the OPERATION PRACA mode and the ind...

Страница 20: ...the lack of connected detectors Turn off power to the control unit Mechanically fasten the detectors and the T connectors on the facility Connect the detectors with T connectors Connect the output of...

Страница 21: ...After a period of time dependent on the number of sensors approx 5 30 seconds the control unit should signal ALARM With the pressed TEST button measure the power supply voltage on the last detector It...

Страница 22: ...ter performing the electrical installation it is possible to conduct start up and verification of the system in accordance with the procedure below check the correctness of the electrical connections...

Страница 23: ...alibration can be carried out in several ways detectors can be removed from the system and sent to the manufacturer for calibration only MiniPal measuring heads can be taken out from Alpa EcoTerm XT G...

Страница 24: ...from a gas lighter Such an attempt may lead to damage of the gas sensor and or de calibration of the gas detector 9 4 4 Maintenance The only manner of cleaning the device is to wipe it with a damp sof...

Страница 25: ...etector failure operation warning 1 warning 2 alarm 2 4 mA 4 mA 9 mA 11 mA 15 mA Integrated signalling equipment optical LED control Protection class III Dimensions See Figure 1 Cable glands cable dia...

Страница 26: ...kit Standardized reference gas methane CH4 40 DGW Table 10 List of accessories 13 Product marking Product code Device PW 100 NG Gas Detector Alpa EcoTerm XT Table 11 Method of product s marking 14 App...

Страница 27: ...use of certain hazardous substances in electrical and electronic equipment EN 50581 2012 This declaration of conformity is issued under the sole responsibility of the manufacturer Purpose and scope of...

Страница 28: ...n gas 3 3 1 2 Effect of oxygen concentration value 4 3 2 Influence of temperature 4 3 3 Influence of pressure 4 3 4 Influence of moisture 4 3 5 Influence of vibrations impacts 5 3 6 Influence of physi...

Страница 29: ...its resistance Whereas combustion is not possible on the passive element therefore its properties do not change under the influence of a combustible substance This allows the passive element to compe...

Страница 30: ...of such a situation on the detector operation Catalytic sensor working properly at an oxygen concentration of about 21 3 1 1 Impact of the presence of a working gas or other reaction gas Catalytic sen...

Страница 31: ...nitrogen or carbon dioxide then the catalytic detector can give a low or even zero response A similar effect can occur when large amounts of reaction gas are released to the atmosphere creating a con...

Страница 32: ...pparent reading of the presence of a combustible substance 4 Factors shortening the lifetime of the sensor 4 1 Poison and inhibitors For every reaction with the presence of a catalyst that cause perma...

Страница 33: ...13 155 425 10 187 517 12 198 438 9 229 529 11 248 458 8 2 5 39 669 22 42 552 18 72 672 21 74 554 17 104 674 20 108 557 16 137 677 19 142 562 15 172 682 18 179 569 14 Table 1 Maximum quantity of Alpa...

Страница 34: ...882 28 72 732 23 104 884 27 104 734 22 139 889 26 138 738 21 171 891 25 174 744 20 207 897 24 211 751 19 Table 4 Maximum quantity Alpa EcoTerm XT detectors closed loop configuration Atest Gaz A M Pac...

Страница 35: ...line L2 m 1 1400 1 5 1400 2 5 1400 Table 7 Maximum length of cables star configuration Atest Gaz A M Pachole sp j ul Spokojna 3 44 109 Gliwice Poland VAT No PL 9691433231 tel 48 32 238 87 94 fax 48 32...

Страница 36: ...rocess e g weather conditions safety potential hazard generated by the mixture criterion B These both criteria have an impact on the final cost of the calibration services and level of competence requ...

Страница 37: ...of flammable components 60 LEL concentration of toxic components NDSCh2 oxygen concentration 25 vol tank 3 dm3 water capacity and p 70 atm specified liquid chemical compounds e g glycerol 1 2 propaned...

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