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Contents

GTD-1000Tx

Instruction Manual

1. Overview

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2. Configuration

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3. Specification

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3.1. Basic Specifications

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3.2. Mechanical Specifications

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3.3. Electrical Specifications (Standard Type)

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3.4. Environmental Specifications

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4. Name and Description of Each Part

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4.1. Components

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5. Installation

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5.1. Detachment of Housing Cover

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5.2. Main PCB Configuration

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5.3. Power Signal and Terminal Configuration

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5.4. Method to Connect to External Control Unit

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5.5. Installation Cable Length

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6. Calibration and Maintenance

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6.1. 4-20mA Output Diagnosis

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6.2. 4mA Adjustment (ZERO Calibration)

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6.3. SPAN Calibration

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7. Drawings and Dimensions

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8. Precautions before Installation

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8.1. Selecting a Place for Installation (Occupational Health & Safety Act Data)

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8.2. Selecting a Site for Installation (High-Pressure Gas Safety Control Act Data)

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8.3. Precautions during Installation

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Содержание GTD-1000Tx

Страница 1: ...GTD 1000Tx Instruction Manual Read in detail for correct use ...

Страница 2: ...struction Manual When abnormalities occur after purchasing the product please contact the following address Address 23GunpoAdvancedIndustry1 ro Gunpo si Gyeonggi do Tel 031 490 0800 Fax 031 490 0801 URL www gastron com e mail info gastron com ...

Страница 3: ...s for maintenance and repair etc are recorded If you read it in detail and keep it well for reference when you have questions then it will give you much help The present product and the product manual can be changed without advance notice for performance improvement and use convenience of the product For accurate operation of Gas detector check up and calibrate for more than once in every 6 months...

Страница 4: ...n PCB Configuration 11 5 3 Power Signal and Terminal Configuration 12 5 4 Method to Connect to External Control Unit 13 5 5 Installation Cable Length 14 6 Calibration and Maintenance 15 6 1 4 20mA Output Diagnosis 15 6 2 4mA Adjustment ZERO Calibration 15 6 3 SPAN Calibration 16 7 Drawings and Dimensions 18 8 Precautions before Installation 19 8 1 Selecting a Place for Installation Occupational He...

Страница 5: ...www gastron com 04_05 Contents 9 Revision History 21 ...

Страница 6: ...s made of Aluminum alloy and the gas sensor module is made of stainless steel It consists of a complete explosion proof enclosure Ex d IIC T6 This product can be installed in areas with potential combustible gas leak and explosion hazards and internal structure consists of 1 PCB board with display part for measurements and terminal part that outputs measurements DC 4 20 mA externally External conf...

Страница 7: ...e 1 Accuracy 3 Full Range Zero Drift 2 Full Range Response Time Depends on Sensor Module Refer to Sensor Specification or Contact in case for Special Gas Approvals Classification KCs Ex d llC T6 Basic Interface Analog 4 20mA current interface Option Rain Cover Warranty Transmitter 2Year Sensor 1Year ITEMS SPECIFICATION Explosion Proof type Explosion proof enclosure Dimension 136 W 166 H 95 D mm We...

Страница 8: ...10 LEL Maintenance 0mA 4mA 20mA 21 6mA 20mA 21 4mA 3mA Analog output current ripple noise max 20uA Wiring requirement Power CVVS or CVVSB with shield Analog CVVS or CVVSB with shield Cable Connection Length Analog 2500m EMC Protection Complies with EN50270 3 4 Environmental Specifications ITEMS SPECIFICATION Operation Temperature Transmitter 20 to 50 Sensor Refer to Sensor Specification Storage Te...

Страница 9: ...he Amp PCB 4 Internal grand 2sq cable It must be grounded to inside of detector for protection from external noise or strong electric field 5 External ground 2sq cable It must be grounded to outside of detector for protection from external noise or strong electric field 6 Conduit connection It is supplied for inlet of power supply and measurement output signal for the detector during installation ...

Страница 10: ...leak sensor and manipulate it This may cause serious loss of life and property from fire explosion and etc In addition please check whether there is any remaining explosive gas or combustible material in the surroundings Power must be turned off before performing work 5 1 Detachment of Housing Cover Turn the slotted set screw M4 x 1ea fixing the cover part of main body 3 4 turns counter clockwise ...

Страница 11: ...tion No NAME DESCRIPTION 1 CN3 Program download Connector 2 SW5 Zero Calibration Switch 3 SW6 Span Calibration Switch 4 SW1 Sensor Configuration Switch1 Factory Setting 5 VR1 Potentiometer for ZERO Output Adjustment 6 VR2 Potentiometer for SPAN Output Adjustment 7 SW4 Sensor Configuration Switch2 Factory Setting 8 SW3 Mode Control DIP Switch 9 CN5 Power Output Signal Terminal 10 FND1 2 FND for Int...

Страница 12: ...ay parts there is a terminal block in the Main PCB as shown in the figure below Holding it with hands and pulling towards ceiling detaches it from the Main PCB Loosen 5 terminal fixing screws located at top part of detached terminal block CN8 VIS mA ETH Connector by turning counter clock wise using a Θ driver Connect DC 18 24 V power to and then connect signal cable to mA Tighten 5 terminal fixing...

Страница 13: ...Method to Connect to External Control Unit Connect 18 V 31 V DC operation power to CN1 mA ET Connection Terminal of the gas detector then connect a device that can receive 4 20 mA signals to mA Figure 6 External Control Unit Connection Method ...

Страница 14: ...available in wire manufacturer s specification data sheet Example of installation lengths using 24 V power supply and 16 AWG is as follows GTD 1000Tx minimum operating voltage 18 Vdc VMAXDROP 24 18 6V IMAX 0 15A 150mA 6 0 15 0 01318 2 1517 451m 1517m Figure 7 Calculation of GTD 1000Tx Installation Cable Length Power cable installation for each cable type is as shown in the table below Table 4 GTD ...

Страница 15: ...hen connect and terminals of DMM to TP5 mA and TP6 mA of AMP PCB respectively When zero switch SW5 is pressed for 3 sec a message ZE RO flashes 3 times on FND1 and FND2 and it enters zero calibration mode When clean air or 99 9 nitrogen N2 is injected to cell part 4 mA output is observed If the output is not 4 mA adjust the potentiometer VR2 ZERO left and right to set 4mA Adjust ZERO potentiometer...

Страница 16: ...e When the standard calibration gas is injected into cell part 12 mA output is observed If the output is not 12 mA adjust the potentiometer VR3 SPAN left and right to set 12 mA Adjust SPAN potentiometer to obtain the correct current output for the standard gas to be displayed on FND1 and FND2 When SPAN switch SW6 is pressed for 4 sec after it is set to a desired output result from span calibration...

Страница 17: ...balance Output signal 4 20mA Test point signal TP5 TP6 Ex Output Calculation Method for CO Range 0 150ppm Standard Gas 100ppm Output signal 4 20mA Test point signal TP5 TP4 200 40 100ppm NH3 Standard Gas 40 147 14 7mA 150ppm NH3 Measurement Range 200 40 100ppm CO Standard Gas 40 147 14 7mA 150ppm CO Measuring Range 6 Calibration and Maintenance ...

Страница 18: ...GTD 1000Tx Instruction Manual 7 Drawings and Dimensions Figure 11 GTD 1000Tx Drawing ...

Страница 19: ...y the detector must be installed at the point 1 of the following Gas leak detector alarm installed outside a building shall be installed at points where gas is likely to stay in consideration to wind direction wind speed specific gravity of gas etc Gas leak detector alarm installed inside a building shall be installed near the floor when the specific gravity of gas is heavier than air and near ven...

Страница 20: ...door Explosion Ignition Grade for the Gas or Vapor Ex d IIC T6 During wiring work use explosion proof cable gland at cable inlet or tightly seal cable conduit during metal cable wiring construction to prevent spread of flames in case of explosion or movement of gas etc through the cable conduit within 50 mm When connecting the equipment with cable screw thread must be tightened 5 threads or more W...

Страница 21: ...ial Revision 2013 06 09 1 0 Gas calibration method changed 2014 09 19 2 0 mA Calibration Mode added 2014 10 24 3 0 Changed Font 2014 12 26 4 0 Separated Factory mode manual 2016 09 09 5 0 Changed Explosion proof Equipment Cable Entry Installation Regulation 45 cm 50 mm 2017 01 20 ...

Страница 22: ...vance d Industry 1 ro Bugok dong Gunpo si Gyeonggi do Tel 82 31 490 0800 Fax 82 31 490 0801 Yeongnam business office Plant 55 Gonghangap gil 85beon gil Gangseogu Busan Metropolitan City Tel 51 973 8518 Fax 51 973 8519 E mail info gastron com www gastron com ...

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