GDA GTD 2000Ex Operating Manual

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Gas Detection for Defence

GTD 2000Ex

OPERATING MANUAL

This manual must not be copied or reproduced in any part without

the express written permission of Gas Detection (Australia) Pty Ltd.

All information contained within is subject to modification.

Table of Contents

Summary of Contents for GDA GTD 2000Ex

Page 1 Gas Detection for Defence GTD 2000Ex OPERATING MANUAL This manual must not be copied or reproduced in any part without the express written permission of Gas Detection (Australia) Pty Ltd. All information contained within is subject to modification. © Copyright Gas Detection (Australia) Pty Ltd Dec 2008...
Page 2 Please contact our technical service or e-mail about a check and a calibration of the gas detector. For safe use, operation and disassembly of a gas detector are prohibited except by permitted person or a person in charge of GDA Gas Detection for Defence Page 2 of 26...
Page 3: Table Of Contents
Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual CONTENTS 1. INTRODUCTION ................4 2. DETECTION PRINCIPLE & STRUCTURE ..........4 3. SPECIFICATIONS ................4 4. PARTS NAME & MAJOR FUNCTIONS ......7 5.
Page 4: Introduction
Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 1. INTRODUCTION Combustible gas detector GTD-2000Ex was developed to prevent unfortunate accidents caused by gas explosions in hazardous places such as plants, gas storages, and factories. When installed in hazardous area, combustible gas detector GTD-2000Ex will regularly and continuously detect the gas leakage and display the data with integrated LCD and to supply 4-20mA standard output.
Page 5 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual Code of protection Ex d IIC T6 (-20 to 60℃) IP Rating IP 66/67 Application Combustible gas detector 3.2 Functional Measuring Range 0~100 %LEL (0~5% volume of methane) Measuring resolution 1 %LEL Continuously display gas concentration up to 110 %LEL.
Page 6 3.6 Cross sensitivity Combustible gases Cross sensitivity (% relative to CH4) Methane iso-Butane Hydrogen Acetylene Ethylene n-Pentan Propane n-Hexane n-Heptane Methanol Ethanol Acetone COCH n-Octane Ethyl acetate Buthyl acetate * Please inquire to GDA for other gases Page 6 of 26 M-GTD2000Ex-01-01...
Page 7: Parts Name & Major Functions
Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 4. PARTS NAME AND MAJOR FUNCTIONS RESET SERIAL No. DATE 1. DETECTOR HOUSING BODY 9. RESET SWITCH 10. ▲ SWITCH 2. DETECTOR HOUSING COVER 11. ▼ SWITCH 3. AMP(MAIN) PCB 4.
Page 8 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual AMP PCB Amplifies the tiny signal of sensor to transmit DC 4-20mA signal, It also sends signal data to LCD display. Display Parts Converts analogue signal from AMP/Terminal (Transmitter) PCB to digital signal and feed the converted signal to LCD.
Page 9: Wiring Diagrams
Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 4.10 (▲) switch When changing the mode or number, touch this switch with magnet bar once and the detector will go to next stage or the number will be increased . 4.11 (▼) switch When changing the mode or number, touch the switch with magnet bar once and the mode will go to previous stage or the number will be decreased.
Page 10 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual Hexagon socket set screw (M4) * Caution * Opening cover or operation of GTD-2000Ex Detector is prohibited except permitted person or a person in charge for repair in our company. Otherwise, it is possible to suffer for loss of lives and calamity caused by the fire or explosion accident.
Page 11 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 5.3 Connecting power supply and signal cable After disassembling Display Parts, Terminal block on Amp/Terminal PCB will be shown. Disconnect this terminal from AMP PC. Connect DC 24V power supply to +, - of CN1 (+, mA, -, ET) terminal block and signal cable to mA terminal.
Page 12 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual SENSOR (탐지기) SHILD EARTH (GTC-200A Control unit) 5.3.2 Connecting to other external power source Connect 21-27 V DC source to CN1 (+, mA, -, ET) connection terminal of GTD-2000Ex Gas Detector.
Page 13: Appearance And Dimensions
Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 6. APPEARANCE AND DIMENSIONS FUNC RESET SERIAL No. DATE Ø Page 13 of 26 M-GTD2000Ex-01-01...
Page 14: Parameter Program
Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 7. PARAMETER PROGRAM Table 1) Display menu Menu Display Level1 Level2 Level3 Level4 GAS SEL. UNIT SEL PROGRAM MODE D-POINT HIGH SCL CALIBRA. ZERO ZERO CAL [YES] ZERO GAS PASSWORD CAL.DATA CHECK CALIBRA.
Page 15 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 7.1 WHEN DISPLAY MEASURING CONDITION -.The first line alternately displays measured gas name and gas unit. COMB.] %LEL] -.The second line displays current measured values. -.Each switch will operate only when touching by magnet-bar.
Page 16 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual -.This is the mode that sets decimal point up, it’ll change when touching “▲” or “▼” switch. [ D - P O I N T ] -.Touch “FUNC” switch when desired decimal point is displayed, the point will be set up and the detector enter into the next program mode.
Page 17: Calibrations
Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 8. CALIBRATIONS 8.1 Calibration Combustible gas detector requires 30minutes of stabilization time after power on due to properties of the sensor. However, standards for management may vary due to field condition.
Page 18 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual -. This is the mode that performs “zero calibration”, [ Z E R O C A L ] it‘ll display measuring value to be “zero calibrated” at the second line -.
Page 19 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual -. This is the mode that sets calibration item, it’ll [ C A L I B R A . ] change between three items -“ZERO”, “SPAN”, “SEN-OT” -when every touching “▲” or “▼”switch. -.Touching "FUNC"...
Page 20 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual MODE”. -. This is the mode that displays the measured value [ C A L . D A T A ] after calibration to confirm if calibration is correct or not after automatic calibration. -.
Page 21: S/W Version Check
Most of maintenance functions were set up at factory, so be careful not to operate this function at normal condition. And in case of unavoidable situation, please manipulate this function with technical assistance from GDA. Gas Detection for Defence Page 21 of 26...
Page 22 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 10.1 Output current setting -. Touch “▲” and “▼”switch at the same time for over 2 seconds to enter PASSWORD MODE. [PASSWORD] -. Input password (2 digits set by user) with “▲” or “▼”...
Page 23 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 10.2 Trouble Shooting Message Message Priority Cause Remedy FAULT0 **** Trouble of RAM Memory Contact to Gastron for A/S FAULT1 **** Trouble of EEPROM Memory Contact to Gastron for A/S FAULT2 ***** Trouble of Flash Memory...
Page 24: Before Installing
Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 11. BEFORE INSTALLING 11.1 Deciding installation site (Installation site of gas leakage detector should follow the categories below. Place where gas leakage is suspected such as compressor used for combustible and/or toxic gases installed inside and outside of a building, valve, reactor, piping connections and chemical and corrosive installments.
Page 25 Gas Detection (Australia) Pty Ltd GTD 2000 Ex Operating Manual 11.4 Cautions when installing Sensors of gas leakage detectors are not waterproof, so the installation should be avoid where water (rain) may access and please install detector where periodic maintenance can be easily performed.
Page 26 +61 7 4613 5111 www.gdadefence.com.au sales@gasdetect.com.au PO Box 597 Darling Heights. QLD 435 For full assistance with your application please contact GDA. © Copyright Gas Detection (Australia) Pty Ltd Dec 2008...