CTX 300_CO2_revA.0_English
Contents
1. re ZA LIVAI won ns 01103 BEND 13 50104 w 3115530 SST ON 9 vo v 0 8 294202 2 0 9 220 u318v 31 UNS INIOF 31 93110 2 I 1 i 8 8 99891 Figure 23 CTX 300 overview CTX 300 32 User manual 9 Annex 33 34 CTX 300 User manual 9 Annex 35 QE Te OLDHAM The Fixed Gas Detection Experts EUROPEAN PLANT AND OFFICES Z Est rue Orfila CS 20417 62027 Arras Cedex FRANCE T l 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Website http www oldhamgas com AMERICAS ASIA PACIFIC EUROPE Tel 1 713 559 9280 Tel 86 21 3127 6373 Tel 33 321 608 080 Fax 1 281 292 2860 Fax 86 21 3127 6365 Fax 33 321 608 000 americas oldhamgas com sales oldhamgas com info oldhamgas com2. turns ref 3 Turn the display circuit as shown ref 5 Connect the cable ref 6 to the connector Refer to paragraph Connections for the various types of sensors on page 13 Return the display circuit to its original position and replace the cover Figure 11 3 Installation and connection 15 CTX 300 without display 16 Unscrew the 4 screws ref 1 Remove the cover rep 2 CTX 300 Proceed to wire the sensor according to the terminal location Figure 12 CTX 300 User manual Chapter 4 Powering and use Powering The sensor turns on when connected to a power supply CTX 300 m the sensor has a display the green LED will be lit ref 2 and a value will 2 appear on the display screen ref 1 Figure 13 4 20 mA analog output For CTX 300 sensors the 4 20 mA output current is proportional to the gas level Notes The various states of the 4 20 mA output are a 1 5 mA to indicate an electronic fault a 1 8 mA to indicate an absence of sensor Between 4 and 20 mA for measurement values gt 20 if levels exceed measurement range 4 Powering up and use 17 Chapter 5 Maintenance The adjustment operations in this paragraph are reserved for authorized trained personnel because they may compromise detection reliability Gas detectors are safety devices OLDHAM recommends the regular testing of fixed gas detection installations This typ
3. 23 Figure 6 ceiling mounting with brace The fixing drawing is identical to this of the wall mount Ref Qty Description Code Material 1 1 Brace 6132380 Stainless 2 4 Washer 25 ACCD 6905518 Stainless 3 4 Screw LI2 6902218 Stainless Electrical connections Wiring specifications If needed consult the grounding instructions for Oldham instruments and related connection materials in Annex 1 Connections for the various types of sensors CTX 300 CO CTX 300 CO with display without display Output signal 4 20 mA 4 20 mA Active wires 3 3 Cable entry 1 6 11 mm 1x6 11 mm 3 Installation and connection 13 Connection of 3 wire sensor to an Oldham control unit Wire Terminal number V DC power supply 3 V DC power supply masse 0 V 2 Output signal 1 Control unit Detector Figure 7 connection of a 3 wire sensor to an Oldham control unit Connection of a 3 wire CTX300 sensor to a non OLDHAM control unit with an internal power supply Other control unit 3 2 Detector 1 Figure 8 Connection of a 3 wire CTX300 sensor to a non OLDHAM control unit R Maximal load 200 Q A Power supply 15 s Vcc s 32 18 s Vcc lt 30 for CO sensor max 100 mA 14 CTX 300 User manual Operating mode CTX300 with display Remove the 4 screws ref 1 CTX 300 Remove the cover ref 2 Figure 9 Completely remove the screw ref 4 m Unscrew the screw a few
4. 8 CTX 300 User manual CTX 300 1 2 3 Figure 14 sensor calibration assembly Zero adjustment should be performed in a gas and vapor free area If this is not possible synthetic bottled air can be injected at a rate of 60 I h Use a bottle of test gas to adjust sensor sensitivity concentration close to the alarm threshold or corresponding to 30 of the measurement range at a minimum The recommended rate is 60 l h Note when dealing with dangerous gases you MUST consult a specialized Oldham technician or use another sensor pack recently pre calibrated at a factory The detector should be calibrated using the intended flow rate The actual concentration of gas may be underestimated if the detector was calibrated with too high of a flow rate 5 Maintenance 19 CTX 300 calibration 1 case CTX 300 with display sensor is operating the green light ref 1 is lit and the display screen shows the measurement level Figure 15 m Verify that the sensor is located in a clean air environment lf not inject synthetic air at a flow rate of 60 I h Wait for the measurement to stabilize displayed on screen and adjust the by using the ZERO potentiometer located on the sensor pack ref 2 Inject the recommended calibration gas at flow rate of 60 l h Wait for the measurement to stabilize Adjust the sensitivity by using the Figure 16 sensitivity potentiometer located o
5. T 17 4 20 an 17 Chapter 5 Maintenance scenerne 18 esi tod iati ome art Cota tete pc olo eot ll 18 Checking the current 23 sensor E E D Do D OL 24 eM 24 Chapter 6 Spare parts an 25 CTX CO HERI CE 25 Chapter 7 Certification css 27 Contents 3 Chapter 8 Technical specifications Chapter 9 or meo icri eo s cron reps CTX 300 overview 4 CTX 300 User manual Chapter 1 General Information User Manual The instructions given in this manual must be read thoroughly before installation and start up particularly those concerning the points related to the safety of the end user This user manual must be made available to every person involved in the activation use maintenance and repair of the unit The information technical data and diagrams contained in this manual are based on the information that is available at a given time In case of doubt contact Oldham for additional information The aim of this manual is to supply simple and accurate information to the user Oldham cannot be held liable for any Misinterpretations in the reading of this manual In spite of our efforts to produce an error free manual it may nonetheless contain some unintentional technical inaccuracie
6. User manual CTX 300 Analogic Gas Detector Part Number NP300CO2GB gt OLDHAM 07 2015 The Fixed Gas Detection Experts 2 Copyright 2015 by Oldham S A S July 2015 All rights reserved No reproduction of all or part of this document in any form is permitted without the written consent of Oldham S A S All information provided in this document is accurate to the best of our knowledge s a result of continuous research and development the specifications of this product may be changed without prior notice Oldham S A S Rue Orfila 4 1 Est CS 20417 F 62027 ARRAS Cedex Tel 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 CTX 300 User manual Contents Chapter 1 General Information 5 ser en era 5 SYMDOlS tse 5 MSIE ONS M M 6 important Informationen wb Red eoa lun Dub EA bns uus Vu dpa 6 m ne ee 7 Chapter 2 Introduction unse 9 Generator AMON oes aa tup 9 exp 619108 COs VSS IOS arse Da 10 10 Chapter Installation and connection 11 Installing the detectors un 11 Elecifical Col eellofiS uie Desa ek ba Fe 13 Chapter 4 Powering up and use 17
7. ages for loss or interruption of manufacture loss of information defect of the MX 43 control unit injuries loss of time financial or material loss or any direct or indirect consequence of loss occurring in the context of the use or impossibility of use of the product even in the event that Oldham has been informed of such damage 1 General information 7 8 CTX 300 User manual Chapter 2 Introduction General Information CTX300 gas detectors are designed to measure carbon dioxide With robust materials a specifically adapted design appropriate accessories stainless bolts and a polyamide case IP54 CTX 300 detectors are designed to withstand the roughest conditions Figure 1 overview of a CTX 300 with display left and without display right 2 Introduction CTX300 CO versions In the case of a CTX 300 for the CO detection this manual can only be used for devices delivered since July 2015 P N 6514879 P N 6314124 P N 6514880 P N 6514881 P N 6514882 Figure 2 CTX 300 CO detector Figure 3 CTX 300 CO detector delivered before July 2015 delivered since July 2015 Composition Sensor type CTX 300 Gases CO detected Detection Infrared absorption method Type of sensor Pre calibrated removable sensor pack pack 1 Options With display Certification None 1 Choice between several scales 10 CTX 300 User manual Chapter 3 Installation and connection I
8. ay unit optional gas dependent In operation green color on CTX 300 3 wire Failure maintenance yellow color 2 wires shielded LiYCY type CTX 300 without display unit wires shielded LiYCY type CTX 300 with display unit cable gland outer diameter 6 to 11 mm 15 to 32 V DC CTX 300 without display unit 60 mA CTX 300 with display unit 100 mA 209 to 50 4 to 122 F with display 40 C to 50 C 40 F to 122 F without display IP 54 NEMA 3 amp 520 9 130 x 136 x 69 I x h x d in mm 5 12 x 5 35 x 2 72 Type 1 amp 2 according to EN 50270 06 32 ohms max loop for CTX 300 with display unit 64 ohms max loop for CTX 300 without display unit 8 Technical specifications 29 im S E gt 0 50 IR 5 00 100 IR Infrared 30 CTX 300 User manual Operating temperature 40 to 50 C 40 to 50 40 to 50 Relative humidity uncondensed 0 to 95 RH 0 to 95 RH 0 to 95 RH Accuracy at P full scale 2 2 2 Life span in 60 60 60 T 50 seconds lt 20 lt 20 lt 20 Chapter 9 CTX 300 overview DE GET RE unn p Se Figure 22 CTX 300 with sensor pack and display overview 31 9 Annex Li n et fy 179 011 213119101 0
9. e of test consists of injecting the calibration gas into the detector at a sufficient concentration to activate the pre set alarms It is to be understood that this test is in way replacement for detector calibration The frequency of gas tests depends on the industrial application where the detector is in use Frequent inspections should be made in the months following the commissioning of the installation and should then become more widely spaced provided that no significant deviation is observed If a detector should fail to react in contact with the gas calibration is essential The frequency of calibrations shall be appropriate according to the results of the tests humidity temperature dust etc however it must not exceed one year The general manager should put safety procedures in place on site OLDHAM cannot be held responsible for their enforcement Calibration Recommendations Calibration consists of adjusting the zero of the clean air sensor and adjusting sensitivity with a test gas Adjustments are made at the sensor level Equipment needed to calibrate the detector correctly m Flexible plastic tubing Figure 14 ref 2 Manometer and regulator valve for the compressed gas cylinders 3 Oto 60 flow meter if the cylinder is not equipped with one m Calibration pipe ref 1 which may vary depending on the nature of the gas see pages 25 and following m Test gas cylinder ref 4 1
10. es the declaration of conformity 7 Certification 27 28 OL DHA M DECLARATION DE CONFORMITE CONSTRUCTEUR Manufacturer Declaration of Conformity La Soci t Oldham S A S 62000 Arras France atteste que les The Company Oldham S A S 62000 Arras France declares that the D tecteurs de gaz CTX 300 CO CTX 300 CO Gas Detectors sont conformes aux exigences des Directives Europ ennes suivantes comply with the requirements of the following European Directives I Directive Europ enne 2004 108 CE du 15 12 04 Compatibilit Electromagn tique The European Directive EMC 2004 108 CEE of 15 12 04 ELECTROMAGNETIC COMPATIBILITY Normes harmonis es appliqu es EN 50270 06 for types 1 amp 2 CEM Appareils de d tection de gaz Harmonised applied Standards EMC Apparatus for the detection of gases Arras le 15 06 2015 June 15 2015 ISO 9001 Oldham S A S Z I EST CS 20417 Michel Spellemaeker 62027 ARRAS Cedex FRANCE s Tel 33 0 3 21 60 80 80 Global Director of Product Management CERTIF www oldhamgas com CE CTX 300 CO2 _ind a CTX 300 User manual Chapter 8 Technical specifications Enclosure Function Display Indicator lights Link Cable entry Power supply Power consumption Operating temperature Sealing Weight Dimensions EMC Impedance Polycarbonate housing Detector transmitter Highly visible backlight displ
11. n the sensor pack rep 1 a Stop injecting the calibration gas Remove the gas injection pipe then wait and verify that the signal returns to zero Repeat procedure if it does not m Calibration is complete 20 CTX 300 User manual 2 d case CTX 300 without display The sensor is operating Verify that the sensor is located in a clean air environment Use the calibration and follow all recommendations Connect a voltmeter to the AF and AF terminals caliber mV DC Wait for the signal to stabilize and adjust the zero by using the ZERO potentiometer located on the sensor pack Figure 18 ref 2 The output signal should be 0 mV Now inject the recommended test gas at a flow rate of 60 Use the calibration and follow all recommendations Wait until the signal has stabilized Read the mV value on the voltmeter Figure 17 with the full scale at 1600 mV Calculate the value to be read as a function of your test gas Figure 17 Figure 18 5 Maintenance 21 22 Adjust the displayed value using the potentiometer Figure 18 rep 1 Example sensor Scale 0 5000 ppm Standard gas concentration 3000 ppm Heading 1360 mV Shut off the calibration gas injection Withdraw the gas injection pipe Then wait and check that the scale has returned to zero Otherwise repeat the entire procedure CTX 300 User manual Checking the current generat
12. n the environment and public health as these electric and electronic products generally contain substances that can be dangerous Your full cooperation in the proper disposal of this product promotes a better use of natural resources Safety instructions Labels intended to remind you of the principal precautions of use have been placed on the unit in the form of pictograms These labels are considered an integral part of the unit If a label falls off or becomes illegible please ensure it is replaced The significance of the labels is detailed below personnel according to the instructions of the manufacturer and the standards of the competent authorities Failure to adhere to the instructions can have serious consequences on the safety of persons Please be extremely rigorous as regards electricity and assembly coupling network connections The installation electrical connections must be carried out by qualified Important information The modification of the material and the use of parts of an unspecified origin shall entail the cancellation of any form of warranty The use of the unit has been projected for the applications specified in the technical characteristics Exceeding the indicated values cannot in any case be authorized 6 CTX 300 User manual Liability limits Neither Oldham nor any other associated company under any circumstances can be held liable for any damage including without limitations dam
13. nstalling the detectors Layout While the measuring sensor is always located on the underside of the detector several factors determine where the detector should be located m Ifthe gas being measured is lighter than the air place the detector near the ceiling m lf the gas is heavier than the air and Freons for example place the detector close to the floor m Near offtake points Generally in locations where gas may accumulate taking into consideration both The effects of temperature The outside winds direction Determining the best sensor location Factors to consider when determining the best placement for the detector are m Potential sources for vapor and gas emissions Characteristics of gases and vapors density m Air circulation Inside mechanical or natural ventilation Outside wind direction and velocity m Effects of temperature m Local constraints air flow water splash etc Detectors should always be located in an easily accessible location for maintenance purposes Special accessories may be necessary to protect the equipment against any liquid projectiles dust direct sunlight or low temperatures in the area 3 Installation and connection 11 Mechanical installation CTX 300 136 Figure 4 overall dimensions of the CTX 300 102 Figure 5 drilling diagram for wall mounting view of the side flatten onto the ceiling 12 CTX 300 User manual
14. or Although this setting is made in the factory it is possible that the transmitter and controller may have to be matched In this case proceed as follows Connect a voltmeter to the AF and AF terminals caliber mV DC Figure 19 m Verify that the sensor is located in a clean air environment If not inject synthetic air at a flow rate of 60 I h Figure 19 112 Wait for the measurement to stabilize displayed on screen and adjust the zero by using the ZERO potentiometer located the sensor pack Figure 20 ref 2 034 The instrument then sends a 4 mA signal down the line Connect a voltmeter to the VI and VI terminals caliber mV DC The multimeter displays 400 mV m f some different value is displayed adjust P1 Figure 21 rep 1 adjustment is complete Figure 21 114 5 Maintenance 23 Replacing sensor Sensors must be replaced When calibration is no longer possible no sensitivity During preventative maintenance The replacement sensor should be identical to the original sensor same gas same range After a sensor has been replaced a calibration or test for pre calibrated sensors must be conducted Disposal For the preservation protection and improvement of environmental quality and for the protection of human health and the prudent and rational utilization of natural resources the CTX 300 must be disposed of separately from electronic equipment and cann
15. ot be disposed of with normal household waste The user therefore has an obligation to separate the CTX 300 sensor from other waste to ensure that it is recycled safely for the environment For further details on existing collection sites contact the local administration or seller of the product 24 CTX 300 User manual Chapter 6 Spare parts List of spare parts for different detectors Replacement parts must imperatively be guaranteed origin Oldham Otherwise material safety could be jeopardized CTX 300 P N Description Picture 6322420 Mounting brace and bolts CTX 300 ceiling mount 6323607 Gas collector s 6331137 Gas introduction device for Os H2S NO 6331141 Gas introduction device for explosible gases and other toxic gases 6 Spare parts 25 P N Description Picture 6327906 Device for remote gas introduction 6335953 Replacement filter PTFE protector filter Pre calibrated sensor pack 6314193 CTX 300 CO 5000 ppm 0 5096 vol sensor pack 6314191 CTX 300 5 vol sensor pack 6314192 CTX 300 100 vol sensor pack Replacement parts 6323608 Cover without display 6323609 Cover with display 6815919 CTX 300 without display label 6815921 CTX 300 wit display label 6451466 Display card 6815923 Localization sticker 6451644 Motherboard 26 CTX 300 User manual Chapter 7 Certification The following page reproduc
16. s In the client s interest Oldham reserves the right to modify the technical characteristics of its equipment to increase their performance without prior notice The present instructions and their content are the inalienable property of Oldham Symbols used Icon Significance This symbol indicates useful additional information AL This symbol indicates This equipment must be connected to ground This symbol indicates Protective earth terminal A cable of the adequate diameter must be connected to ground and to the terminal having this symbol 1 General information 5 This symbol indicates You must refer to the instructions This symbol indicates Warning In the present mode of use failure to adhere to the instructions preceded by this symbol can result in a risk of electric shock and or death European Union and EEA only This symbol indicates that this product must not be discarded with household waste as per the EEA directive 2002 96 EC and your own national regulations This product must be disposed of at a collection point that is reserved for this purpose for example an official site for the collection of electrical and electronic equipment EEE in view of their recycling or a point of exchange for authorized products that is accessible when you acquire a new product of the same type Any deviation as regards these recommendations for the disposal of this type of waste can have negative effects o
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