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CTX 300 

 

User manual 

 

 

 

Document actualisé 

Summary of Contents for CTX 300 CO2

Page 1: ...User manual CTX 300 CO2 Analogic CO2 Gas Detector Part Number NP300CO2GB Revision B 0 07 2015 The Fixed Gas Detection Experts...

Page 2: ...without the written consent of Oldham S A S All information provided in this document is accurate to the best of our knowledge As a result of continuous research and development the specifications of...

Page 3: ...ion 9 CTX300 CO2 versions 10 Composition 10 Chapter 3 Installation and connection 11 Installing the detectors 11 Electrical connections 13 Chapter 4 Powering up and use 17 Powering up 17 4 20 mA analo...

Page 4: ...4 CTX 300 User manual Chapter 8 Technical specifications 29 Chapter 9 Annex 31 CTX 300 overview 31...

Page 5: ...imple 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 nonethel...

Page 6: ...ontain 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...

Page 7: ...g without limitations damages 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 co...

Page 8: ...8 CTX 300 User manual...

Page 9: ...igned 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 ro...

Page 10: ...514880 P N 6514881 P N 6514882 P N 6314124 Figure 2 CTX 300 CO2 detector delivered before July 2015 Figure 3 CTX 300 CO2 detector delivered since July 2015 Composition Sensor type CTX 300 Gases detect...

Page 11: ...late 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...

Page 12: ...12 CTX 300 User manual Mechanical installation Figure 4 overall dimensions of the CTX 300 Figure 5 drilling diagram for wall mounting view of the side flatten onto the ceiling...

Page 13: ...25 ACCD 6905518 Stainless 3 4 Screw CHC LI2 6902218 Stainless Electrical connections Wiring specifications If needed consult the grounding instructions for Oldham instruments and related connection ma...

Page 14: ...n 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 Figure 8 Connection of a 3 wire CTX300 sensor to a non OL...

Page 15: ...9 Completely remove the screw ref 4 Unscrew the screw a few turns ref 3 Figure 10 Turn the display circuit as shown ref 5 Connect the cable ref 6 to the connector Refer to paragraph Connections for t...

Page 16: ...16 CTX 300 User manual CTX 300 without display Unscrew the 4 screws ref 1 Remove the cover rep 2 Proceed to wire the sensor according to the terminal location Figure 12...

Page 17: ...and a value will 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 2...

Page 18: ...y 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 accor...

Page 19: ...entration 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...

Page 20: ...e measurement to stabilize displayed on screen and adjust the zero by using the ZERO potentiometer located on the sensor pack ref 2 Inject the recommended calibration gas at a flow rate of 60 l h Wait...

Page 21: ...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...

Page 22: ...er Figure 18 rep 1 Example CO2 sensor Scale 0 5000 ppm Standard gas concentration 3000 ppm Reading 1360 mV Shut off the calibration gas injection Withdraw the gas injection pipe Then wait and check th...

Page 23: ...n a clean air environment If not inject synthetic air at a flow rate of 60 l h Figure 19 112 Wait for the measurement to stabilize displayed on screen and adjust the zero by using the ZERO potentiomet...

Page 24: ...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 dispo...

Page 25: ...ed origin Oldham Otherwise material safety could be jeopardized CTX 300 CO2 P N Description Picture 6147868 CTX 300 tool kit 6322420 Mounting brace and bolts CTX 300 ceiling mount 6323607 Gas collecto...

Page 26: ...sensor pack 6314193 CTX 300 CO2 5000 ppm 0 50 vol sensor pack 6314191 CTX 300 CO2 5 vol sensor pack 6314192 CTX 300 CO2 100 vol sensor pack Replacement parts 6323608 Cover without display 6323609 Cov...

Page 27: ...7 Certification 27 Chapter 7 Certification The following page reproduces the EU declaration of conformity...

Page 28: ...28 CTX 300 User manual...

Page 29: ...shielded LiYCY type CTX 300 with display unit Cable entry PG9 cable gland outer diameter 6 to 11 mm Power supply 15 to 32 V DC Power consumption CTX 300 without display unit 60 mA CTX 300 with displa...

Page 30: ...ge ppm Operating temperature Relative humidity uncondensed Accuracy at PA full scale Life span in month T 50 seconds CO2 IR 0 50 5 00 100 40 C to 50 C 40 C to 50 C 40 C to 50 C 0 to 95 RH 0 to 95 RH 0...

Page 31: ...9 Annex 31 Chapter 9 Annex CTX 300 overview Figure 22 CTX 300 with sensor pack and display overview...

Page 32: ...32 CTX 300 User manual Figure 23 CTX 300 overview...

Page 33: ...9 Annex 33...

Page 34: ...34 CTX 300 User manual...

Page 35: ...9 Annex 35...

Page 36: ...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 Tel 1 713 559 9280 Fax 1 281 292 2860 americas oldhamgas com ASIA PACIFIC Tel 86 21 3127 6373 Fax 86...

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