User Manual
Contents
1. Protocol depending on version MSR_DT05 or MOD Bus Physical Enclosure Stainless steel V2A Enclosure colour Natural brushed Dimensions H x W x D 113 x 135 x 45 mm 5 35 x 4 5 x 1 8 in Weight Approx 0 5 kg 1 1 Ibs Cable entry Standard 1 x M 20 Protection class IP 55 Mounting Wall mounting pillar mounting Wire connection Screw type terminal min 0 25 to 2 5 mm 24 to 14 AWG Wire distance Current signal ca 500 m 1500 ft Voltage signal ca 200 m 500 ft IMEC CONTROLS da relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 ons com inteccontrols AT 3300_V3 UserManual IMEC Specifications subject to change without notice USA 1 Alarm relay 1 switch threshold 10 LEL Guidelines EMC Directive 2004 108 EWG CE Options Relay output 30 VAC DC 0 5 A potential free SPDT Page 11 of 14 CONTROLS Alarm relay 2 switch threshold 20 LEL 30 VAC DC 0 5 A potential free SPNO SPNC Power consumption Warning buzzer Acoustic pressure 30 mA max 0 8 VA 83 dB distance 200 mm 0 7 ft Frequency 2 3 kHz Power consumption 30 mA max 0 8 VA LCD Display Temperature controlled LCD Two lines 16 characters each not illuminated Power consumption 10 mA max 0 3 VA Heating 3 C 42 C 37 5 F 3 6 F Ambient tempera2. IVISR ELECTRONIC MEL CONTROLS PolyGard AT 3300 V3 Transmitter for Combustible Gases Serial No ET03 002 User Manual April 2009 December 02 2015 Revision Polygard is a registered trademark of MSR AT 3300_V3_UserManual r relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols AT 3300_V3 UserManual INEL Specifications subject to change without notice USA 151202 Page 20f14 CONTROLS 1 intended Eegenen 3 2 Functional Description 3 2 1 Control ModE TEE 3 KEE 3 3 MNS UE coe e sconce settee teeters eee etnir arar iets 4 SA MOUNTING INSTRUCTIONS essensa naa ana ia arae a a Iaa Ea E eI 4 3 2 stallati WEE 4 4 Electrical Connection E 5 Ad Wiking Connection s stihi erosin enaar ee r a i aa R a on e aadi iee a iara 5 5 COMM ISS ON N e ieee cccetescie detec tet ccd deere ade erin a 5 5 1 E ele e EE 6 5 1 Manual Calibration ccceccccesceceeececeeceeeeeceeeeaeeecaeeecaaeecacecesaeeeseseeesaceeseaceeesaeeeseseeeseseessaeeess 6 emm Dat e Le EE 6 BMD EE 6 5 1 3 Calculation of Control Voltage ssesseeseeeseeesentenneetnssensrtnntnnnrnestnnrtnnntnnnttnttnnrtnnnrnnntennnet 6 5 2 Calculation calibration gas lt gt target gas backup Calibration c ccceeeeceeceeeeseeeeeeneees 7 Cross sensitivity data AT 24NNVD nennen nnne 7 5 3 Option Relay Output eege NEES ei oldie SE
3. The integrated measuring amplifier converts this sensor current into a linear output signal The zero point Zero and the amplification Gain are calibrated by potentiometers Polygard is a registered trademark of MSR AT 3300_V3_UserManual a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols arss00_v3 UserManval JEE Specifications subject to change without notice USA 1512021 Page 40f14 CONTROLS Certain substances and gases in the monitored ambient can affect the sensitivity of the sensor or poison the sensor completely The following are currently known polymerising substances such as ethylene oxide acrylonitrile butadiene styrene silicone corrosive substances such as halogenated hydrocarbons catalytic poisons such as sulphur and phosphor compounds silicon compounds metal vapours Caution There is a small quantity of corrosive liquid in the sensor element If in case of damage a person or an area comes in contact with the liquid the affected person or area must wash the liquid off with water immediately Out of use sensors must be disposed in the same way as batteries 3 Installation Note Avoid any force e g by thumb on the sensor element during operation or installation Electronics can be destroyed by static electricity Therefore do not touch the equipment without a wrist strap connected to ground or without
4. 30 LEL Methane Target gas Propane 30 LEL methane x 100 63 47 6 LEL Propane The factor of the relative sensitivity can be read from the table cross sensitivity data Cross sensitivity data AT 33XX V3 f Sensitivity LEL Gas ae Mountin Type of gas vapour Chemical mark ai EMaiane high g Acetone Acetylene Benzene Cyclohexane Ethylene Ethane Ethyl Alcohol Ethyl Acetate Ethylene Oxide Hydrogen JP8 EN EE E KE e JET A E 6 97 ff Methane CH IL 100 IL 440 055 Ceiling Methanol CHSOH IL aw ezo 11m Foor n Butane n Heptane n Hexane n Octane Cis d 28 0o95 166 Floor Propane Cho T6379 188 f Poor n Pentane C5H12 1 Ke 2 KS Floor according to information of the sensor manufacturer The table does not 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 d trademark of MSR AT 3300_V3_UserM r relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 888 GO INTEC relevantsolutions com inteccontrols arss00_v3 UserManval JEE Specifications subject to change without notice USA 151202 Page 80f 14 CONTROLS 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
5. IN7EC relevantsolutions com inteccontrols AT 3300_V3 UserManual Specifications sub 8 Technical Data General sensor performances Gas type Combustible gases vapours See Ordering Information of 14 Sensor element Ex sensor catalytic bead Pressure range Atmosphere 20 Storage temperature range 5 C to 30 C 41 F to 86 F Storage time Max 6 months Mounting height Depending on gas type AT 33XX V3 Measuring range 0 100 LEL Detection limit 0 5 LEL Accuracy 1 of signal methane Repeatability 2 of signal methane Long term zero drift lt 5 measuring range year Long term sensitivity drift lt 2 measuring range month Response time too lt 10 sec methane Life expectancy gt 3 years normal operating environment Temperature range 10 C to 40 C 14 F to 104 F Humidity continuous 15 90 RH non condensing Humidity intermitted Electrical Power supply 0 99 RH non condensing 16 28 VDC AC reverse polarity protected Power consumption without options Analog output signal Selectable Current tension Starting point 0 20 Serial interface Transceiver 35 mA max 0 85 VA 0 4 20 mA load lt 500 Q 0 2 10 V load gt 50k Q proportional overload and short circuit proof RS 485 19200 Baud Output signal
6. gas valves natural gas fuelling stations domestic gas boiler installations gas operated vehicles in underground car parks 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 AT 33XxX 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 2 2 Sensor The integrated sensor works according to the catalytic bead principle The ambient air being monitored diffuses through a sintered metal disk into the sensor Here the combustible gases and vapours are burned by catalytic means at a heated detector element pellistor The resulting combustion heat also heats up the detector element This heating changes the resistance of the detector element which is proportional to the partial pressure of the combustible gases In addition to the catalytic detector element the sensor also has a similarly heated inactive compensator element Both elements are part of a Wheatstone measuring bridge Environmental influences such as temperature ambient moisture or thermal conductivity of the monitored ambient air affect both elements to the same extent so that the influences on the measuring signal are almost completely compensated
7. 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 mounting height depends on the gas type to be monitored For gases and vapours with a density gt air the transmitter must be located near the ground For gases and vapours with a density lt air the transmitter must be located at the highest point possible Gas density and mounting height can be read from the table Cross sensitivity data 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 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 b
8. 2021 Page 130f14 CONTROLS Calibration adapter Fig 5 Type CONKIT COMB AT Polygard is a registered trademark of MSR AT 3300_V3_UserManual da relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO IN7EC relevantsolutions com inteccontrols AT 3300_V3 UserManual INEL Specifications subject to change without notice USA 1512021 Page 140f 14 CONTROLS 10 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 transmitter 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 and MSR reserves the right to change specifications without notice The information contained herein is based upon data considered accurate However no guarantee is expressed or implied regarding the accuracy of this data 10 1 Intended Product Application The PolyGard transmitter is 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 10 2 Installers Responsibilities It is the insta
9. 3300_V3 UserManual Specifications subject to change without notice USA 151202 Page 60f 14 CONTROLS IMEC 5 1 Calibration Depending on the version and the control mode there are three different possibilities to calibrate the transmitter 5 1 Manual Calibration 5 1 1 Zero point 5 1 3 Connect calibration adapter carefully to the sensor element Apply synthetic air 150 ml min 1 Bar 14 5 psi 10 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 Remove calibration adapter carefully by turning lightly Check the sensor for correct mounting Gain Connect calibration adapter carefully to the sensor element Apply calibration test gas 150 ml min 1 Bar 14 5 psi 10 Wait two minutes until the signal is stable adjust control voltage with potentiometer Gain until the signal corresponds to the calculated value 3 mV see calculation section 5 2 3 Remove calibration adapter with a careful light turn Check the se
10. ENEN ed 8 6 Inspection and Service ENEE 9 Gil INSPSCHOMS EE 9 2 ele 9 6 3 Exchange of Sensor Element 9 7 Frronbiesheottmgt erer 9 TA Analog le 9 8 Febuar de 10 CW te 1 51 eee comer ee eee enema EE resto EN 11 10 Notes and General Intormmaton ENEE 14 10 1 Intended Product Applicaton n 14 10 2 Installers Responsibilities eee cece e cece eeeeeceeeeeeeeeeceeeeeeeeceeeeseaceecnaeeceeeeesaeeeseaseeetseeeenseeees 14 10 3 MAINLGN ANCE east Esege det edd ennenen aa aana eege eebe Eed ve AS 14 10 4 ie WE LEE 14 Polygard is a registered trademark of MSR AT 3300_V3_UserManual a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols ars00_v3 UserManval NEL Specifications subject to change without notice USA 1512021 Page 30f14 CONTROLS Transmitter with cathalytic bead sensor for combustible gases and vapours 1 Intended Use The PolyGard 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 combustible gases and vapours such as natural gas methane propane butane and ammonia etc below the lower explosion limit LEL The transmitter is used for monitoring leakages in gas pipes gas fan heaters gas heating systems gas engines block heating stations gas boilers gas fittings gas transfer stations
11. 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 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 10 LEL Alarm threshold 2 Relay 2 20 LEL Switching hysteresis 5 LEL Polygard is a registered trademark of MSR AT 3300_V3_UserManual da relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO IN7EC relevantsolutions com inteccontrols AT 3300_V3 UserManual INEL Specifications subject to change without notice USA 1512021 Page 90f 14 CONTROLS 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 MSR or one of their authorized 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 cl
12. does not apply 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 INTEC Controls or MSR 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 3300_V3_UserManual a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols
13. imatic influences the sensitivity of the sensor falls below 70 in operation calibration will not be possible any more Then 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 AT 33XX V3 carefully from the bottom part e Unplug old sensor from the PCB e Take the new sensor out of the original packing e Plug in the sensor element into the PCB ET03 at XB7 XB8 e Replug the PCB AT 33XX V3 into 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 not set Check jumper position and or control voltage lt 30 mV 3 h 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 correctly at X4 and X5 Check the wing 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 3300_V3_UserManual a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO
14. ller s responsibility to ensure that all PolyGard transmitter is 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 10 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 10 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
15. n e Select output signal form Current or voltage and starting point 0 or 20 See fig 4 e Check power voltage e Check PCB AT 33XX V3 for proper mounting at X4 and X5 e Check the sensor for proper mounting at the connectors X8 of the PCB AT 33XX V3 only AT 34XX V3 e Calibrate the transmitter if not already factory calibrated Required instruments for commissioning calibration of the transmitter e Test gas bottle with synthetic air 20 O2 80 N e Test gas bottle with test gas methane etc in the range of 30 60 of the measuring range e Gas pressure regulator with flow meter to control the gas flow to 150 ml min e Calibration adapter with tube silicon free e g Viton Calibration set CALKIT AT See fig 06 e Digital voltmeter with range 0 10VDC accuracy 1 and a small screwdriver Note Prior to calibration the sensor element must be fully stabilized by applying power voltage for at least 4 hour without interruption Please observe proper handling procedures for test gas bottles regulations TRGS 220 Attention Combustible calibration gases are toxic never inhale the gas Symptoms Dizziness headache and nausea Procedure if exposed Take the victim into fresh air at once call a doctor Polygard is a registered trademark of MSR AT 3300_V3_UserManual a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO IN7EC relevantsolutions com inteccontrols AT
16. nsor for correct mounting By limiting the gain factor calibration will not be possible any more when the sensitivity of the sensor reaches a residual sensitivity of 30 Then the sensor has to be replaced Calculation of Control Voltage Signal start 2 V 4 mA Control voltage mV 160 mV x test gas concentration LEL 40 mV measuring range LEL Signal start 0 V 0 mA Control voltage mV 200 mV x test gas concentration LEL measuring range LEL Polygard is a registered trademark of MSR AT 3300_V3_UserManual a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols AT 3300_V3 UserManual INEL Specifications subject to change without notice USA 1512021 Page 7 0f 14 CONTROLS Example Measuring range 100 LEL Test gas concentration 40 LEL methane Control voltage Signal start 2 V 4 mA 104 mV Control voltage Signal start 0 V 0 mA 80 mV Signal start 2 V 4 mA Signal start 0 V 0 mA 160 mV x 40 LEL 40 mV 104 mV 200 mV x 40 LEL 80 mV 100 LEL 100 LEL 5 2 Calculation calibration gas lt gt target gas backup calibration W eas KAL X Keas Ucas UWeas Target gas LEL KAL Calibration gas LEL Kcas Factor relative sensitivity LEL calibration gas Ucas Factor relative sensitivity LEL target gas Example Calibration gas
17. ottom part by screws vertically to the wall terminal blocks to the ground e Plug in the basic PCB at X4 and X5 with care Replace the cover Polygard is a registered trademark of MSR AT 3300_V3_UserManual a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols ars00_v3 UserManal JEE Specifications subject to change without notice USA 151202 Page 50f14 CONTROLS 4 Electrical Connection Consider static electricity See 3 Mounting e Installation of the electrical wiring should only be performed 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 analog mode 20 AWG max res 73 Q km 20 8 9 1000 ft e tis 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 at X4 and X5 e Insert the cable connect cable leads to terminal blocks See fig 1 and 2 e Replug the PCB in the terminal blocks X4 X5 Replace cover 5 Commissioning Consider commissioning instructions at any exchange of sensor elements Only trained technicians should perform the following e Check mounting locatio
18. ture 30 C 22 F Power supply 18 28 VDC AC Power consumption 0 3 A 7 5 VA Indications only for option stainless steel for further types see datasheet AT DT Enclosure 9 Figures Application Analog mode Fig 1 7 Bus_B Option Controller 6 Bus A Relay 5 4 20mA_Inp p4 7 4 20 mA 4 Analog_Out LY 24 VDC 3 24 VDC_Out 3 0 VDC 2 0 VDC 4 1 24 VDC N27 5 X4 Ri ap X5 Transmitter ADTX3 AT 3300_V3_UserM a relevant 12700 Stowe Drive Suite 100 Powa antsolutions com inteccontrols AT 3300_v3 Usermanual JEE Specifications subject to change without notice USA 1512021 Page 120f 14 CONTROLS PCB ADT03 Fig 3 Anal Output Start Point Option EE 20 Manual O00 0 Calibration N D gt w o D E xe E me NOW A ODN eeeee8e aR WON A Anal Output V DC Terminal block Selection analog output signal Fig 4 Jumper 0 20 Jumper V A Output signal Not set Not set Set Not set Not set Set Set Set Polygard is a registered trademark of MSR AT 3300_V3_UserManual a relevant 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 amp 888 GO INTEC relevantsolutions com inteccontrols ars00_v3 UserManval JEE Specifications subject to change without notice USA 151
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