User Manual: AT-1130, v3
Contents
1. A Wilson Mohr Company Wilson Mohr A Wilson Mohr Company ius IJEC PolyGard AT 1130 V3 Electrochemical Nitrogen Dioxide Transmitter User Manual July 2011 September 15 2014 Revision Polygard is a registered trademark of MSR AT 1130_V3_UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter User Manual AT 1130 V3 1 General Overview iii e 2 Functional Description ooomomocicccnnnennnisnoncenncnnennnnnnnonecnnnnnrnnnnnnenencnnnnns 2 Control Mode ica dt ita D225 O ces ia oe Saati ten daw ne cele S tod Re t eom dec 3 Installation oie can idncna cad 3 1 Mounting Instructions zes mmm 3 2 Installation aire 4 Electrical Connection eeeeeeeeeeeeeeennnnnennn nennen nnne nennen na 4 1 Wiring Connectors A nemen 5 Commissioning eecen nter reinen nont etin Deux Ran DR encantan 551 Calibration tette dao nee 52 Manual Calibration een Teo ree RH qn 5 244 Z ro Pointi ee A ER Een 522 a 5 2 3 Calculation of Control Voltage se 5 3 Option Relay OUtpUt oooocononocccinnccccnnocononccnnnnccnnnnnnnoncnnnnnnnnannnnnnnnnnnos 6 Inspection and Service 2 ccccceceeeesseeeeeeeeeeeseneeaneeeeeeeeeseseesseeneeeeenen2. Polygard is a registered trademark of MSR AT 1130_V3_UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1130 V3 Page 13 CONTROLS A Wilson Mohr Company 11 Notes and General Information It is important to read this user manual thoroughly and clearly in order to understand the information and instructions The PolyGard transmitters must be used within product specification capabilities The appropriate operating and maintenance instructions and recommendations must be followed Due to on going product development INTEC reserves the right to change specifications without notice The information contained herein is based upon data considered to be accurate However no guarantee is expressed or implied regarding the accuracy of this data 11 1 Intended Product Application The PolyGard transmitters are designed and manufactured for control applications and air quality compliance in commercial buildings and manufacturing plants i e detection and automatic exhaust fan control for automotive maintenance facilities enclosed parking garages engine repair shops warehouses with forklifts fire stations tunnels etc 11 2 Installers Responsibilities It is the installer s res
3. air e Test gas bottle with NO ppm in the range of 30 80 of the measuring range e Gas pressure regulator with flow meter to control the gas flow to 400 ml min GR 58 400 e Calibration adapter with tube Calibration set CONKIT E CH LC e Digital voltmeter with range 0 300 mV accuracy 1 e Small screwdriver Note Prior to calibration the sensor must be connected to the power supply and fully stabilised for at least 6 hours without interruption Please observe proper handling procedures for test gas bottles regulations TRGS 220 NO calibration gas is toxic never inhale the gas Symptoms Dizziness headache and nausea Procedure if exposed Take the victim into fresh air at once call a doctor 5 1 Calibration Manual calibration Manual calibration is only possible if the transmitter is equipped with the push button Zero and the potentiometer Gain version for manual calibration The jumper V A has to be set before manual calibration Only by doing so the control voltage is available at the test pins X6 Remove the jumper after calibration Polygard is a registered trademark of MSR AT 1130_V3_UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1
4. any more In this case the sensor has to be changed 6 3 Exchange of Sensor Element Consider static electricity See point 3 Sensor should always be installed without power applied e Unplug basic PCB carefully from the bottom part e Unplug old sensor element from the PCB e Take the new sensor out of the original packing e Plug the sensor element in the PCB at X7 e Replug the PCB ATO3 in the terminal blocks X4 X5 carefully e Calibrate according to section 5 7 Troubleshooting 7 1 Analog Mode Output signal lt 3 mA 1 5 V Jumper 0 20 96 not set Check jumper position and or control voltage 30 mV Measure tension at X4 only for starting signal 2V 4 mA Power voltage not applied Two wire Pin 1 and 4 Three wire Pin 1 and 2 PCB ATO3 not plugged in correctly at X4 Replug PCB correctly and X5 Check the wiring Output signal gt 22 mA 220 mV Check the wiring Control voltage does not reach Sensor element not calibrated Calibrate sensor element the calculated value Replace sensor element No reaction of the output signal Power voltage not applied Measure tension at X4 in spite of gas concentration Signal Pin 4 not wired correctly Check the wiring Polygard is a registered trademark of MSR AT 1130 V3 UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 P
5. 0 0 Ethyl alcohol C2 Hs OH 100 0 Ethyl acetate CH3 COOC2Hs 100 lt 0 5 Ethylene C2H4 500 0 Hydrogen H 1000 0 Nitrogen oxide NO 50 0 Hydrogen sulphide H2S 20 25 Sulphur dioxide SO 30 0 6 Toluene C7Hg 50 1 5 18 28 VDC AC reverse polarity protected 2 wire mode only VDC Power consumption without options Analog mode Output signal Analog output signal Selectable Current tension Starting point 0 20 96 22 mA max 0 6 VA 0 4 20 mA load x 500 Q 0 2 10 V load 2 50k Q proportional overload and short circuit proof Polygard is a registered trademark of MSR Customer Services 858 578 7887 8 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 AT 1130_V3_UserManual Specification subject to change without notice www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1130 V3 Page 10 CONTROLS A Wilson Mohr Company Physical Enclosure Plastic Type A Polycarbonate Flammability UL 94 V2 Enclosure color RAL 7032 light grey Dimensions W x H x D 94 x 130 x 57 mm 3 7 x 5 12 x 2 24 inch Weight Approx 0 5 kg 1 1 Ibs Protection class IP 65 Installation Wall mounting Cable entry Standard 1 x M 20 Wire connection Screw type terminal min 0 25 mm 24 AWG max 2 5 mm 14 AWG Wire distance Current signal ca 500 m 1500 ft Voltage signa
6. 130 V3 Page 06 CONTROLS A Wilson Mohr Company 5 2 Manual Calibration 5 2 1 Zero point e Connect calibration adapter carefully to the sensor element e Apply synthetic air 400 ml min 1 Bar 14 5 psi 10 or nitrogen dioxide NO free ambient air e Wait 2 minutes until the signal is stable push button Zero for 5 seconds After successful calibration the measuring signal is corrected automatically Depending on the selected signal starting point the measuring signal shows the following values Signal start at 2 V or 4 mA 40 mV 0 ppm Signal start at 0 V or 0 mA OmV 0 ppm If the zero point is out of the admissible range gt 20 mV at starting point 0 gt 60 mV at starting point 20 before calibration there is no correction of the measuring signal The sensor has to be replaced e Remove calibration adapter carefully by turning lightly Check the sensor for correct mounting 5 2 2 Gain e Connect calibration adapter carefully to the sensor element e Apply calibration test gas NO 400 ml min 1 Bar 14 5 psi 10 e Wait three minutes until the signal is stable adjust control voltage with potentiometer Gain until the signal corresponds to the calculated value 2 mV see Calculation of Control Voltage e Remove calibration adapter with a careful light turn Check the sensor for correct mounting By limiting the gain factor calibration will not be possible any more when the sensitivity of the sensor r
7. S 485 mode J Y St Y 2x2x0 8 LG 20 AWG max res 73 Q km 20 8 Q 1000 ft e Itis important to ensure that the wire shields or any bare wires do not short the mounted PCB 4 1 Wiring Connection e Open the cover Unplug basic PCB carefully from terminal blocks X4 and X5 e Insert the cable and connect cable leads to terminal blocks See fig 1 and 2 e Replug the PCB in the terminal blocks X4 X5 with care Replace the cover Polygard is a registered trademark of MSR AT 1130_V3_UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1130 V3 Page 05 CONTROLS A Wilson Mohr Company 5 Commissioning Consider commissioning instructions at any exchange of the sensor element as well Only trained technicians should perform the following e Check mounting location e Select output signal form Current or voltage and starting point 0 or 20 See fig 4 e Check power voltage e Check PCB for correct mounting at X4 and X5 e Check the sensor for proper mounting at the connectors X7 of the PCB ATO3 e Calibrate the transmitter if not already factory calibrated Required instruments for commissioning calibration of the transmitter e Test gas bottle with synthetic air of NO free ambient
8. eaches a residual sensitivity of 30 Then the sensor has to be replaced 5 2 3 Calculation of Control Voltage Signal start 2 V 4 mA Control voltage mV 160 mV x test gas concentration NO ppm 40 mV measuring range NO ppm Signal start 0 V 0 mA Control voltage mV 200 mV x test gas concentration NO ppm measuring range NO ppm Example Measuring range 20 ppm Test gas concentration 10 ppm NO Control voltage Signal start 2 V 4 mA 120 mV Control voltage Signal start 0 V 0 mA 100 mV Signal start 2 V 4 mA Signal start 0 V 0 mA 160 mV x 10 ppm 40 mV 120mV 200 mV x10 ppm 100mV 20 ppm 20 ppm Polygard is a registered trademark of MSR AT 1130 V3 UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1130 V3 Page 07 A Wilson Mohr Company 5 3 Option Relay Output The two relays are activated in dependence of the gas concentration If the gas concentration exceeds the adjusted alarm threshold the corresponding relay switches on If the gas concentration falls below the threshold minus hysteresis the relay switches off again The contact function for relay 2 NC normally closed or NO normally open can be selected
9. ee also section 6 Caution Avoid any force e g by thumb on the sensor element during operation or installation There is a small quantity of corrosive liquid in the sensor element If in case of damage persons or objects touch the liquid you have to clean the affected areas as fast and carefully as possible with tap water Out of use sensors must be disposed in the same way as batteries Polygard is a registered trademark of MSR AT 1130_V3_UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1130 V3 Page 04 CONTROLS A Wilson Mohr Company 3 Installation Note Electronics can be destroyed by static electricity Therefore do not touch the equipment without a wrist strap connected to ground or without standing on a conductive floor acc to DIN EN100015 3 1 Mounting Instructions When choosing the mounting site please pay attention to the following e The specific weight of nitrogen dioxide NO is higher than that of air factor 1 59 Recommended mounting height is 1 to 3 ft 3 to 1 0 m above floor e Choose mounting location of the sensor according to the local regulations e Consider the ventilation conditions Do not mount the transmitter in the centre of the airflow air
10. engine test stations shelters loading areas etc The intended sites are all areas being directly connected to the public low voltage supply e g residential commercial and industrial ranges as well as small enterprises according to EN50 082 The PolyGard NO analog transmitter must not be used in potentially explosive atmospheres 2 Functional Description 2 1 Control Mode Analog mode The analog output can be selected as current signal with 0 4 20 mA or as voltage signal 0 2 10 V In the 4 20 mA mode and without any supplementary options the AT 1130 also works in the 2 wire technique 2 2 Sensor The sensor portion of the PolyGard AT 1130 transmitter is a sealed electro chemical cell with three electrodes sensing counter and reference The ambient air to be monitored diffuses through a membrane filter into the liquid electrolyte of the sensor The chemical process of the measurement is one of reduction where one molecule of the target gas is exchanged for one molecule of oxygen The reaction drives the oxygen molecule to the counter electrode generating a DC microampere signal between the sensing and reference electrodes This signal is linear to the volume concentration of the sensed gas The signal is evaluated by the connected amplifier and transformed into a linear output signal Electrochemical processes always lead by and by to a loss of sensitivity Therefore regular calibration of zero point and gain is obligatory S
11. l ca 200 m 600 ft Guidelines EMC Directive 2004 108 EWG CE Options Relay output Alarm relay 1 switching threshold 5 ppm 30 VAC DC 0 5 A potential free SPDT Alarm relay 2 switching threshold 8 ppm 30 VAC DC 0 5 A potential free SPNO SPNC Power consumption 30 mA max 0 8 VA Warning buzzer Acoustic pressure 85 dB distance 300 mm 1 ft Frequency 3 5 kHz Power consumption 30 mA max 0 8 VA LCD display LCD Two lines 16 characters each Power consumption 10 mA max 0 3 VA Heating Temperature controlled 3 C 2 C 37 5 F 3 6 F Ambient temperature 30 C Power supply 18 28 VDC AC Power consumption 0 3 A 7 5 VA The table doesn t claim to be complete Other gases too can have an influence on the sensitivity The mentioned cross sensitivity data are only reference values valid for new sensors Indications only for option standard plastic housing for further types see datasheet AT DT Enclosure Polygard is a registered trademark of MSR AT 1130 V3 UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter User Manual AT 1130 V3 10 Figures Application Analog mode Fig 1 Bus_B Controller Bus_A 4 20 mA_In
12. oway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter User Manual AT 1130 V3 8 Cross sensitivity Data The cross sensitivity can be read from the Technical Data table The table doesn t claim to be complete Other gases can have an influence on the sensitivity too The indicated sensitivity data are only standard values referring to new sensor elements 9 Technical Data General sensor performances Gas type sueo INTEL CONTROLS A Wilson Mohr Company Nitrogen dioxide NO3 Sensor element Electrochemical diffusion Measuring range standard other ranges according to the data sheet 0 10 ppm factory set adjustable to 0 10 or 0 20 ppm by INTEC Temperature range 10 C to 50 C 14 F to 122 F Pressure range Atmosphere 15 Humidity 15 90 RH non condensing Storage temperature range 5 C to 30 C 41 F to 86 F Storage time Max 3 months Mounting height 0 6 to 0 8 m 2 to 2 5 ft Stability amp resolution 0 2 ppm Repeatability lt 2 of reading Long term output drift lt 12 signal loss year Response time too 25 sec Life expectancy gt 4 years normal operating environment Electrical Power supply Cross sensitivity Concentration ppm Reaction ppm NO Ammonia NH3 100 0 Chlorine Cl 1 1 Carbon dioxide CO 5 000 0 Carbon monoxide CO 40
13. p 4 20 mA BLO OIN Analog_Out 24V OV 24 V Out OV 24 VAC DC gt no Transmitter ADTX3 IMEC NAO IN gt X5 Two wire connection 4 20 mA output signal without options Polygard is a registered trademark of MSR Customer Services 858 578 7887 amp 888 GO INTEC INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 Page 11 CONTROLS 7 Bus B Option Controller 6 Bus A Relay 5 4 20mA Inp py 5 1 4 20 mA 4 4 Analog Out 2 24V 3 24 V Out 3 OV 20V 4 1 24 VACIDC NREN 5 X4 R2 e9 X5 Transmitter ADTX3 Fax 858 578 4633 amp 888 FX INTEC www inteccontrols com Three wire connection VDC output signal 0 20 mA output signal Relay output LCD display Heating AT 1130 V3 UserManual Specification subject to change without notice Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1130 V3 Page 12 A PCB Fig 3 Terminal block Anal Ouput Start Point EB 20 DE 0 N o gt O Q na c 2 O c 2 iL 2 MO 5 O O NI 00000090 ak wo DM a Anal Output EB V DC OX mA Selection analog output signal Fig 4 Not set Not set Set Not set Not set Set Set Set Calibration adapter Fig 5 Type CONKIT E CH LC
14. passages suction holes e Mount the transmitter at a location with minimum vibration and minimum variation in temperature avoid direct sunlight e Avoid locations where water oil etc may influence proper operation and where mechanical damage might be possible e Provide adequate space around the sensor for maintenance and calibration work Duct mounting e Mount only in a straight section of duct with minimum air vortex Keep a minimum distance of 1 m 3 5 feet from any curve or obstacle e Mount only in a duct system with a maximum air velocity of 10 m s 2000 ft min or less e Mounting must be performed so that the probe openings are in line with the airflow 3 2 Installation e Open the cover Unplug basic PCB carefully from the bottom part e Fix bottom part by screws vertically to the wall terminal blocks to the ground e Replug the basic PCB at X4 and X5 with care Replace the cover 4 Electrical Connection Consider static electricity See 3 Mounting e Installation of the electrical wiring should only be executed by a trained specialist according to the connection diagram without any power applied to conductors and according to the corresponding regulations e Avoid any influence of external interference by using shielded cables for the signal line but do not connect the shield e Recommended cable for analog mode J Y St Y 2x2x0 8 LG 20 AWG max resistance 73 Q km 20 8 Q 1000 ft e Required cable for R
15. ponsibility to ensure that all PolyGard transmitters are installed in compliance with all national and local codes and OSHA requirements Installation should be implemented only by technicians familiar with proper installation techniques and with codes standards and proper safety procedures for control installations and the latest edition of the National Electrical Code ANSI NFPA70 It is also essential to follow strictly all instructions as provided in the user manual 11 3 Maintenance It is recommended to check the PolyGard transmitter regularly Due to regular maintenance any performance deviations may easily be corrected Re calibration and part replacement in the field may be implemented by a qualified technician and with the appropriate tools Alternatively the easily removable plug in transmitter card with the sensor may be returned for service to INTEC Controls 11 4 Limited Warranty MSR Electronic GmbH and INTEC Controls warrants the PolyGard transmitter for a period of two years 12 months normal exposure for the sensor from the date of shipment against defects in material or workmanship Should any evidence of defects in material or workmanship occur during the warranty period INTEC Controls will repair or replace the product at their own discretion without charge This warranty does not apply to units that have been altered had attempted repair or been subject to abuse accidental or otherwise The warranty also does not appl
16. s 6 1 E O 0 2 Calibtatlon utet rer easet nuege eaa 6 3 Exchange of Sensor Element ssssessse 7 Troubleshooting ecce ii Errem enne reete 7 1 Analog Mode eee ode dato edt di e le eden 8 Cross sensitivity Data eese nennen nnns 9 Technical Data n d inci c 10 EIgUres a 11 Notes and General Information een 11 1 Intended Product Application essssssss 11 2 Installers Responsibilities esesssss 11 3 Maintenance teer osea e pde 11 4 Limited Warranty 1 inrer ER er cei Polygard is a registered trademark of MSR Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com v INTEL CONTROLS A Wilson Mohr Company AT 1130 V3 UserManual Specification subject to change without notice Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1130 V3 Page 03 CONTROLS A Wilson Mohr Company Electrochemical Nitrogen Dioxide Transmitter 1 General Overview The PolyGard NO analog gas transmitter with digital processing of the measuring values and temperature compensation is used for the continuous monitoring of the ambient air to detect the presence of nitrogen dioxide gas Main application ranges are underground car parks tunnels
17. via the jumper NO NC See fig 1 and 3 Relay 1 is equipped with a change over contact Via the Modbus interface the two alarm thresholds and the hysteresis are freely adjustable at the PC within the measuring range The procedure can be read from the user manual Modbus Software The following parameters are factory set Alarm threshold 1 Relay 1 5ppm Alarm threshold 2 Relay 2 8 ppm Switching hysteresis 1 ppm Polygard is a registered trademark of MSR AT 1130_V3_UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915 PolyGard NO2 Transmitter INTEL User Manual AT 1130 V3 Page 08 CONTROLS A Wilson Mohr Company 6 Inspection and Service 6 1 Inspections Inspection service and calibration of the transmitters should be done by trained technicians and executed at regular intervals We therefore recommend concluding a service contract with one of INTEC s partners 6 2 Calibration See section 5 1 and 5 2 e At commissioning and at periodic intervals determined by the person responsible for the gas detection system recommendation every 6 months e After exchange of the sensor e f in case of operational or climatic influences the sensitivity of the sensor falls below 30 in operation calibration will not be possible
18. y to units in which the sensor element has been overexposed or gas poisoned The above warranty is in lieu of all other express warranties obligations or liabilities This warranty applies only to the PolyGard transmitter MSR Electronic GmbH and or INTEC Controls shall not be liable for any incidental or consequential damages arising out of or related to the use of the PolyGard transmitter If the PolyGard transmitter needs to be returned to INTEC Controls for service an RMA number must be obtained prior to sending Polygard is a registered trademark of MSR AT 1130 V3 UserManual Customer Services 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls 12700 Stowe Dr Suite 100 Poway CA 92064 www inteccontrols com Printed in USA 140915
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