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Service and Parts | 6-1

SERVICE AND PARTS

The operations in this appendix should be performed only by qualified
service personnel with a knowledge of electrical safety techniques.

Never service the sensor unless power has been removed from the sen-
sor, and the sensor has been allowed to cool for one hour.

This chapter is divided into the following sections:

• Cell Replacement

• Thermocouple Replacement

• Furnace Replacement

• Combustibles/Methane Detector Replacement (optional)

• Flow Sensor Replacement

• Box Heater Wiring

• RCU (Remote Calibration Unit) Solenoid Valve Replacement

• Electronics Board

• Recommended Maintenance Schedule

• Replacement Parts List

You can clean the outside of the sensor using normal household or com-
mercial general purpose cleaners, cloths, or sponges. You can also use
water. Always turn off power before attempting to clean the enclosure.

A wiring diagram for a standard sensor is provided in Figure 8-1. This
figure shows the locations of all wiring connections on the sensor. If your
sensor requires different wiring, this is provided in an appendix.

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Содержание Thermox WDG-V

Страница 1: ...AMETEK Thermox WDG V WDG VC WDG VCM Combustion Analyzer with Pneumatic Blow Back User Manual Thermox 150 Freeport Road Pittsburgh PA 15238 PN 9000 250 VE Rev B...

Страница 2: ...4400 Fax 302 456 4444 GERMANY AMETEK GmbH Rudolf Diesel Strasse 16 D 40670 Meerbusch Ph 49 21 59 91 36 0 Fax 49 21 59 91 3680 USA Texas 4903 West Sam Houston Parkway North Suite A 400 Houston TX 77041...

Страница 3: ...CU O2 Only RCU O2 Comb RCU O2 Combustibles Methane RCU 1 5 CHAPTER 2 System Overview Sensor Operations 2 1 Sensor 2 2 Basic Elements of the Sensor 2 2 The Oxygen Measuring Cell 2 3 Hydrocarbons 2 4 Se...

Страница 4: ...ds for Mounting the Sensor 3 7 Sensor Mounting Floor Mount 3 10 Calibration Aspirator Air 3 11 Required Calibration Gases and Tubing 3 11 Manual Calibration and Aspirator Air Connections 3 12 Remote C...

Страница 5: ...cs Checks 5 4 Alarm and Warning Messages 5 9 CHAPTER 6 Service and Parts Warnings 6 2 Cautions 6 2 Cell Replacement Cleaning 6 5 Thermocouple Replacement 6 7 Combustibles Methane Detector Replacement...

Страница 6: ...ation_Calibration History A 15 Calibration_Set Cal Gas Values and Timers A 17 Perform a Manual Calibration A 19 Perform an Automatic Calibration A 25 Scheduled Auto Calibration A 25 On Demand Auto Cal...

Страница 7: ...uats B 4 Ne faites pas fonctionner en atmosph re explosible B 4 Precautions aux Dommages de L Analyseur B 5 Utilisez une alimentation lectrique ad quate B 5 Ne faites pas fonctionner avec les d failla...

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Страница 9: ...fore servicing Electrical Safety Up to 5 kV may be present in the analyzer housings Always shut down power source s before performing maintenance or troubleshooting Only a qualified electrician should...

Страница 10: ...EN SWITCHED OFF OR THE AREA IS KNOWN TO BE NONHAZARDOUS THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS I DIVISION 2 GROUPS A B C AND D OR NONHAZARDOUS LOCATIONS ONLY The maximum ambient temperature for t...

Страница 11: ...dential trash The Wheelie Bin marking on this product is a reminder to dispose of the product properly after it has completed its useful life and been removed from service Metals plastics and other co...

Страница 12: ...und the Product Follow the grounding instructions provided in the Installation Chapter of this user s manual Before making connections to the input or output terminals of this product ensure that the...

Страница 13: ...fied Do Not Operate with Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Use Caution When Lifting The analyzer weighs approximately 2...

Страница 14: ...N 50082 1 1997 Generic Residential Commercial Light Industrial Equipment EN 61000 6 2 1999 Generic Heavy Industrial Equipment EN 61326 1997 Measuring Equipment Heavy Industrial Emissions EN 55011 1998...

Страница 15: ...buse or improper use Misuse or abuse of the equipment or any part thereof shall be construed to include but shall not be limited to damage by negligence accident fire or force of the elements Improper...

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Страница 17: ...ne Service Alarm One Datavalid Alarm Remaining alarms can be set to oxygen combustibles and methane Contact Rating 0 5 A 30V max non inductive load DC or AC 10W max Diagnostics Watchdog timer and serv...

Страница 18: ...mbustibles Span Gas WDG VC and WDG VCM only 60 to 80 of the selected combustibles recorder output range in equal mixtures of CO H2 3 4 O2 balance N2 CH4 Span Gas WDG VM WDG VCM only 2 CH4 8 to 10 O2 b...

Страница 19: ...Pressure 10 inch water gauge Environment Ambient Temp 13 F to 149 F 25 C to 65 C 5 F to 140 F 20 C to 60 C with Div 2 Option Relative Humidity 5 to 95 non condensing Max Altitude 5000 meters Enclosur...

Страница 20: ...C to 65 C 5 F to 140 F 20 C to 60 C with Div 2 Option Relative Humidity 5 to 95 non condensing Max Altitude 5000 meters Enclosure Hinged NEMA 3R weather resistant stainless steel Optional hinged NEMA...

Страница 21: ...les Methane RCU Enclosure UL Type 4X NEMA 4X IP56 Div II Environment Ambient Temperature Humidity Max Altitude IEC Installation IEC Pollution Degree 2 18 C to 60 C 0 to 90 non condensing 2000 Meters C...

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Страница 23: ...n the sample above the dewpoint of the gas Observe these cautions when working on the sensor Do not turn on the aspirator until the analyzer has been turned on and is hot preferably 24 hours Also if y...

Страница 24: ...so provides cold junction compensa tion to the thermocouple circuit The Blow Back System The insulated rear enclosure with fin heater thermostat accumulator and three way valve The WDG V is a complete...

Страница 25: ...ent oxygen partial pressures are on either side of the cell a potentiometric voltage is produced See Figure 2 1 The mag nitude of this voltage is a function of the ratio of the two oxygen partial pres...

Страница 26: ...l combustible gases that are present may burn When this occurs the cell will gener ate high millivolts and cause the display to indicate less oxygen than is actually in the gas net oxygen content Hydr...

Страница 27: ...WDG VCM analyzers with a combustibles detector are used for pro cesses that use natural gas for start up and oil fuel gas or coal for primary fuel Process gas is drawn into the analyzer s primary samp...

Страница 28: ...ases This includes gases such as CO and H2 You should attempt to match your calibration gas with a mixture of CO and H2 that most closely matches the combustibles mix in your process We recommend usin...

Страница 29: ...ges as the mixture burns The temperature change causes the resistance of the catalyzed element to change The resistance change is interpreted by the microprocessor and the corresponding reading is dis...

Страница 30: ...ector Calibrated at the factory the flow sensor measures the sample flow through the sample loop The flow measurement is updated every 90 seconds This delay is used to allow the sensor to effectively...

Страница 31: ...ately 8 10 A Flow Sensore failed alarm will be generated if either element is open To Measure Turn off the instrument Measure the resistance of each element Flow Heater Flow Sense at the terminals ins...

Страница 32: ...en the two thermocouples as they are effectively at the same location in the assembly Flow Sensor Heater Element Black Wire Flow Sensor Sense Element Brown Wire Combustible Box Temperature The combust...

Страница 33: ...cartridge heater located in the aluminum heater block at the bottom of the aspirator This heater provides the heat for the enclosure to maintain all plumbing components above 200 C The combustible hea...

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Страница 35: ...1 Contact input for remote auto calibration trigger Valve controls for Remote Calibration Unit RCU Analog Outputs There are 3 analog outputs in the WDG V Each analog output can be con figured for Mode...

Страница 36: ...is representative of the process This relay is normally open Contacts are closed when in nor mal mode Contacts are open when there is a problem with the analyzer when the analyzer is calibrating warm...

Страница 37: ...ed via the MODBUS RTU interface AMETEK provides two options for communicating with the WDG V AMEVision Display User Interface Reference separate manual WDG V Configurator Software via PC Provided with...

Страница 38: ...upply for the aspirator Connect the air supply to the aspirator air supply inlet but DO NOT turn on the air until the sensor is at operating temperature If the analyzer is turned off or the process is...

Страница 39: ...ot use calibration gases to check AM ETEK Thermox analyzers if they contain a mixture of oxygen and combustibles Note however that this is acceptable for combustibles span gases used only if you purch...

Страница 40: ...upport run test gases and record the following values you may be asked by the factory to provide this information when receiving service Cell millivolts Thermocouple millivolts Cell temperature If you...

Страница 41: ...ce the sensor unless power has been removed from the sensor and the sensor has been allowed to cool for at least one hour Also always use gloves when working on the sensor Do not turn on the aspirator...

Страница 42: ...ntact AMETEK Thermox Sales or Service Department at 412 828 9040 We have special options to address ambient temperatures outside the listed specifications This chapter shows you how to install your WD...

Страница 43: ...nt The WDG V with Blow Back Option unit consists of a bolt on attachment to the standard WDG V analyzer for use in high particulate applications Figure 3 1a and 3 1b WDG V with Blow Back and internal...

Страница 44: ...e 40 pipe Standard Blow Back filter is 316 SS 2 micron porosity 3 Screw in coupler fitting into back plate Figure 3 2b 4 Install hook into compression fittings Figure 3 2b Pressure Adjustments Wall Fl...

Страница 45: ...in Box Alarms if temperature goes out of range Resettable Over Temp Switch Prevents damage to internal components 1 Using a 3 150 mounting flange and nipple supplied by AMETEK shown in Figure 3 4a mo...

Страница 46: ...tor Regulator 1 2 Adjust the Blow Back pressure using the Blow Back Regulator 2 3 Minimum instrument air supply pressure 80 psi Exhaust Tube Installation If installing an exhaust tube you must connect...

Страница 47: ...Using a customer supplied pipe nipple Using a customer supplied flange Each of these methods is explained in the sections that follow The flush mount method is preferred because it positions the senso...

Страница 48: ...oors to the sensor Sensor flush mount Preferred Method Weld the 7 x 7 5 8 17 78 cm x 19 37 cm mounting plate P N 70626SE supplied with the sensor to the process wall over a 3 3 4 9 52 cm diam eter hol...

Страница 49: ...pipe nipple to the process wall and make sure to extend the nipple through the skin of the process see Figure 3 8 Figure 3 9 Customer supplied pipe nipple sensor mounting 2 Weld the 7 x 7 5 8 17 78 c...

Страница 50: ...ge mount Sensor Mounting Floor Mount GASKET SUPPLIED BY THERMOX 13 30 337 82 2 43 61 62 8 83 224 16 12 11 307 67 Minimum 1 25 4mm insulation exposed portion of nipple 3 150 flange and nipple supplied...

Страница 51: ...balance N2 Combustibles Span Gas If using a WDG VC analyzer you must also have a combustibles span gas as follows 60 to 80 of the full combustibles operating range in certified mixtures of CO with an...

Страница 52: ...User Interface you can use the flow gauge to set the flow as described in Chapter 5 Connect aspirator air to the aspirator air inlet on the sensor see Figure 3 8 The recommended initial aspirator pres...

Страница 53: ...the aspirator until the sensor has been turned on and is hot preferably 24 hours Also if you turn off the analyzer or the process is shut down turn off the aspirator air to avoid plugging problems St...

Страница 54: ...gas 2 If you wish to use a span gas other than instrument air you must purchase the optional alternate span gas kit Connect the span gas to the alternate span gas inlet on the RCU if your span gas is...

Страница 55: ...1 Connect the O2 span gas if other than instrument air to the alternate O2 span gas inlet 2 Connect the O2 zero calibration gas to the O2 zero gas inlet connection on the RCU 3 Connect the combustibl...

Страница 56: ...3 16 Thermox WDG V VC VCM with Blow Back Figure 3 16 RCU flow diagram Single Span Figure 3 17 RCU flow diagram Span Combustibles...

Страница 57: ...Installation Guide 3 17 Figure 3 18 RCU flow diagram 3 Span Combustibles and Methane...

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Страница 59: ...er Interface RS 485 communi cations AC mains supply wiring to AMEVision Display User Interface In addition this wiring section provides mandatory EMC grounding shielding and noise protection requireme...

Страница 60: ...3 4 NPT Conduit Entries Supplied with Nema Conduit Plugs 42454JE 2 1 2 NPT Conduit Entries Supplied with Nema Conduit Plugs 42464JE SS External Ground Stud M5 Ring Terminal 12 10AWG WDG V Mains Suppl...

Страница 61: ...uct has or needs no specific LINE or NEUTRAL connection for any function safety or oth erwise The N terminal is not internally grounded nor needs to be The system will operate normally regardless of w...

Страница 62: ...recautions Although there are transient and noise protectors on all sensor unit I O connections communications current outputs sensor etc this protection is intended to act as a last line of defense a...

Страница 63: ...r conduit Current Output Connections Standard Current Outputs There are three current outputs on the WDG V sensor The current output connections are labeled as follows on the sensor board terminals An...

Страница 64: ...3 24 Thermox WDG V VC VCM with Blow Back Figure 3 20 Wiring...

Страница 65: ...e service alarm indicates that a critical alarm exists and the analyzer needs repair Readings are not valid when this alarm is ac tive The relay contacts are normally open and are OPEN de energized wh...

Страница 66: ...as follows ZERO GAS WDG V Terminal Z to Pin 13 on RCU ASPIRATOR WDG V Terminal A to Pin 14 on RCU O2 SPAN WDG V Terminal S1 to Pin 15 on RCU VALVE COMMON WDG V Terminal V to pin 16 on RCU Combustibles...

Страница 67: ...nput to Initiate Remote Calibration Unit The digital input connections on the wiring card allow you to initiate a re mote calibration from a remote location For this option to work you must have a rem...

Страница 68: ...r example combustible gas detectors should be considered to ensure that the ducting is free of flammable concentra tions of gas vapor Additional Purge Time to Account for Ducting The purge duration sh...

Страница 69: ...The interface between the AMEVision Display User Interface and the WDG V sensor is two wire MODBUS RTU The AMEVision Display User Interface provides the following communi cation interfaces MODBUS RTU...

Страница 70: ...C VCM with Blow Back Color 1 4 VGA Navigation Buttons Enter Menu Key Help Cancel Escape Number Pad Figure 4 1 AMEVision Display User Interface Reference the AMEVision Display User Interface manual for...

Страница 71: ...ensor is a two wire MODBUS RTU Up to four WDG V sensors can be connected to a single AMEVision Display User Interface unit Each attached sensor must have a unique address The address on the WDG V sens...

Страница 72: ...should be set to 1 Connecting Multiple WDG V Sensors to the AMEVision Up to four sensors can be connected to a single AMEVision Display User Interface unit The WDG V sensor provides extra terminal co...

Страница 73: ...AMEVision Display User Interface or Communications 4 5...

Страница 74: ...distance between the AMEVision Display User Inter face and the WDG V analyzer is 4000 feet 1219 2 meters Troubleshooting The interface between the WDG V and the AMEVision Display User Interface is sim...

Страница 75: ...the PC Configurator software are found in Appendix A of this manual Connecting to the WDG V Using the optional USB to RS485 converter P N 1000 724 VE attach as shown The address must be set per the S...

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Страница 77: ...r describes AMEVision Display User Interface and error messages It also provides troubleshooting assistance System and error messages scroll on the bottom line of the display at three second inter val...

Страница 78: ...on or plastic tubing with a 1 8 stainless steel nozzle to apply the gas from a cylinder using stainless steel prevents any problems that might occur with plastic melting the nozzle on hot sen sor comp...

Страница 79: ...rod out the probe and exhaust 2 If this doesn t solve the problem disassemble the analyzer to locate the plug Clean the plumbing using hot water and a bottle brush 3 When assembly is complete check f...

Страница 80: ...ecommend monitoring the thermocouple millivolts and cell millivolts be displayed during troubleshooting as a troubleshooting aid This information will be helpful should you need to contact the factory...

Страница 81: ...f remove the thermocouple from the sensor and heat its ceramic tip to a known temperature Measure the millivolt output with a proper temperature indicating meter type K thermocou ple If the thermocoup...

Страница 82: ...m cylinder to the sensor calibration inlet port using a flow meter to set the proper flow and compare the response with that from the possibly contaminated line Remote Calibration Unit RCU Problem The...

Страница 83: ...rawing is included with your Installation package Select Cal Gas Duration from the Calibration menu to set cali bration gas times If performing a manual calibration ensure that you are waiting for the...

Страница 84: ...on gas setup and there is not a problem with the cell itself see the Leak Check section later in this chapter for help on how to check for leaks see the Calibration Aspirator Air Checks section earlie...

Страница 85: ...lty T C connection Low Power Only after warm up is complete Cell Temp Rise Failure Cell heater failed to heat the cell Bad Cell furnace heater Bad heater connection Shorted T C Bad T C con nection Uni...

Страница 86: ...etector is open or not connected Bad Detector Bad elec tronics Only when configured as WDG VC Methane Detector Open CH4 detector is open or not connected Bad Detector Bad elec tronics Only when config...

Страница 87: ...ue is saturated high or low Improperly set range Last O2 Span Calibration Failed The last oxygen span calibration failed Tank Empty bad solenoid didn t wait long enough Bad Cell Last O2 Zero Calibrati...

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Страница 89: ...s Methane Detector Replacement optional Flow Sensor Replacement Box Heater Wiring RCU Remote Calibration Unit Solenoid Valve Replacement Electronics Board Recommended Maintenance Schedule Replacement...

Страница 90: ...riate gloves when handling components Be extremely careful when performing maintenance on the sensor while the process is running especially if the process is under signifi cant positive pressure Remo...

Страница 91: ...Service and Parts 6 3 Figure 8 1a Wiring diagram for sensor...

Страница 92: ...UT EXTERNAL VOLTAGE SUPPLY SERVICE ALARM ALARM 1 DATA VALID ALARM ALARM 2 PROCESS ALARM ALARM 3 SENSOR MODBUS MODBUS DAISY CHAIN ANALOG INPUT ANALOG OUTPUT SOLENOID VALVE CONTROL SPAN 2 SPAN 1 ZERO GA...

Страница 93: ...ll wash with water or alcohol Dry the cell thoroughly before reinstalling Always use a new cell O ring If replacing the cell discard the old cell and cell O ring and retrieve the new cell with supplie...

Страница 94: ...ith Blow Back FURNACE O RING CELL HEX NUT CELL HOUSING WASHER HOLD CELL HOUSING USING 7 8 OR 1 WRENCH 23mm or 26mm TURN HEX NUT COUNTER CLOCKWISE USING A 7 8 WRENCH 23mm CELL CLIPS CELL REPLACEMENT Fi...

Страница 95: ...or board 3 Remove the 2 speed clips from the thermocouple mounting tabs Use needle nose pliers to remove the clips 4 Pull the thermocouple straight down and remove it from the furnace 5 Insert the new...

Страница 96: ...6 8 Thermox WDG V VC VCM with Blow Back Figure 8 3 Thermocouple replacement...

Страница 97: ...tor element ends while inserting the assembly Tighten screws until face is flush with the block and gasket is fully compressed 5 Reconnect the detector leads to the sensor board Methane Detector Repla...

Страница 98: ...6 10 Thermox WDG V VC VCM with Blow Back 7 Reconnect the detector leads to the sensor board Figure 8 4 Combustibles detector replacement...

Страница 99: ...en the nut that connects the furnace and the flow sensor Brace the furnace assembly by using a second wrench attached to the sensor nut under the furnace See Figure 8 5 for reference 4 Remove the flow...

Страница 100: ...6 12 Thermox WDG V VC VCM with Blow Back Figure 8 5 Flow sensor replacement...

Страница 101: ...e furnace 3 Remove the Cell 4 Loosen the swage nut at the top and bottom of the furnace You may need to remove the flow sensor to get the furnace assembly out 5 Remove the Furnace assembly 6 Install t...

Страница 102: ...tible Methane version of the WDG V Box Heater Replacement Use Figure 8 7 1 Disconnect heater wires 2 Remove the speed clip from the mounting tab Use needle nose pliers to remove the clip 3 Remove the...

Страница 103: ...Service and Parts 6 15 Figure 8 7 Box Heater Replacement...

Страница 104: ...acement Only on Combustible Methane Units Use Figure 8 8 1 Disconnect heater wires 2 Loosen the 4 0 mm hex screw 3 Remove the combustible block heater by sliding it out 4 Replace the box heater 5 Tigh...

Страница 105: ...Service and Parts 6 17 Figure 8 8 Combustible Block Heater Replacement...

Страница 106: ...Figure 8 9 1 Disconnect all wires 2 Loosen the two Phillips screw located on the back of the electronics plate 3 Slide the board out until the pegs at the top line up with the holes in the electronic...

Страница 107: ...Service and Parts 6 19 Figure 8 9 Electronics Board Removal...

Страница 108: ...6 20 Thermox WDG V VC VCM with Blow Back Recommended Maintenance Schedule Calibration Check calibration and or recalibrate the analyzer every 90 days...

Страница 109: ...Box Heater 120VAC 7000 843 SE Assy WDG V Box Heater 240VAC 7000 844 SE Heater Plate WDG V 7000 405 KE Kit Cartridge Heater 350W 120V Includes Heater and Push Nut 7000 846 TE Kit Cartridge Heater 50W 1...

Страница 110: ...st appications Requires sensor main processor board 8000 119 SE The Hotwire detector is the severe service detector Consult factory for applications Requires sensor main processor board 8000 148 SE Se...

Страница 111: ...ectronics Temperature cold junction com pensator temp in degree C Read Only 1 16 Process Alarm Mask Unsigned Int 32 Process alarm bit mask Writable 1 18 Command Unsigned Int 16 Command to the analyzer...

Страница 112: ...2 second most recent unsigned long 32 bit 418 BLOBAKTIME3 third most recent unsigned long 32 bit 420 BLOBAKTIME4 fourth most recent unsigned long 32 bit 422 BLOBAKTIME5 fifth most recent unsigned long...

Страница 113: ...owback status unsigned Char Current state of a blowback event 0 IDLE 1 Charging 2 Discharging 3 Recovery 447 BBRTDRES Blowback RTD Resis tance float Resistance value of the blowback temperature sen so...

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Страница 115: ...calibrate the analyzer to the user process and provides real time status and diag nostic conditions as well as basic analyzer information Figure 1 PC Configurator device connections screen Device Conn...

Страница 116: ...ns Flow Cell Temperature Cell Millivolts Box Temperature Electronics Temperature and Analyzer Status Normal Fail Calibration Diagnostics Warm Up The Status Bar at the bottom of the screen displays the...

Страница 117: ...the screen that allow the user to set up and monitor analyzer functions HOME Configuration Calibration Diagnostics Utilities Connection WDG V PC Configurator Software Connection Device Connect Set Uti...

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Страница 119: ...PRESSURE kPa PSI Configuration_Options Blowback Blowback Figure 3 Configuration_Options Tab The Blow Back tab top right Configuration_Options only appears if the Blow Back option is checked Options fo...

Страница 120: ...feature of the WDG V Analyzer Do not select Auto Calibration unless your analyzer is equipped with a Remote Calibration Unit RCU Figure 4 HOME screen with Combustibles and Methane options activated Co...

Страница 121: ...during cal Hold during cal Define the signals to send to the selected analog output port during a calibra tion You have the option to either hold the last process reading or track calibration readings...

Страница 122: ...based on what the user has defined have been exceeded There are three process alarms relays available for configuration The option for each is as fol lows Function O2 Combustibles Methane Disable Hig...

Страница 123: ...Hour time format in the boxes Alternately the time can be retrieved from the computer clock by clicking on the PC DATE TIME button After you have set the time and date click the SET button at the bott...

Страница 124: ...tive or negative pressure If you are enter ing a negative process pressure use the minus key before entering the number Setting this value corrects oxygen measurements for the defined pressure Once th...

Страница 125: ...ger options Options include Manual Only Timer Flow Timer and Flow Interval Defines how often the Blow Back is triggered in hours Recovery Time Defines how long the data valid relay remains open after...

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Страница 127: ...ses to perform a manual calibration at a later time Automatic calibration requires a factory provided remote calibration unit RCU that automatically switches the calibration gases All measurements req...

Страница 128: ...the system to calibrate itself The user defines the calibration gas values the time each gas will flow through the sensor and the frequencies at which automatic calibrations will be performed for exam...

Страница 129: ...selected for calibration it will be the first gas calibrated and the zero gas will be calibrated next then combustibles and methane If combustibles is the first gas selected for calibration zero gas...

Страница 130: ...calibration gas duration times you specify Be sure to allow enough time for the gases to stabilize when you define these times Calibration Frequency in days Calibration Start Date Click on the calenda...

Страница 131: ...set and save the calibration gas values These values will be used when calibrating the sensor This menu provides a way for the user to select the values before calibrating the analyzer However if the...

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Страница 133: ...ibrated or choose the All option Click the NEXT button to continue Figure 16 Calibration_Set Cal Gas Values and Timers screen 3 Enter the calibration gas values for the gases you have selected Minimum...

Страница 134: ...calibration gas inlet port on the sensor Click on OK when you have applied the span gas Figure 17 Calibration_Inject O2 Span Gas screen When gases are injected they begin to stabilize The STATUS butto...

Страница 135: ...ck the OK button when you have applied this gas Figure 19 Calibration_Inject O2 Zero Gas screen 8 The system will calibrate the O2 and combustibles zero gas When the readings have stabilized READY cli...

Страница 136: ...10 The system will calibrate the combustibles span gas When the read ings have stabilized and the Status is READY click the ACCEPT button to accept the values and continue the calibration or click on...

Страница 137: ...PC Configurator Software A 23 Figure 23 Calibration_Calibration Results screen...

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Страница 139: ...ration gas duration times you specify Be sure to allow enough time for the gases to stabilize when you define these times Calibration Frequency in days Calibration Start Date Click on the calendar or...

Страница 140: ...utton to start the calibration The real time sequence of calibra tion events is displayed and requires input from the user before each step of the calibration continues Use this method for remote cali...

Страница 141: ...selected Minimum and maximum values are noted on the screen aside of each entry field These gas values match the span and zero calibration gas cylinders you use to calibrate your system The span gas i...

Страница 142: ...n to start the automatic calibration The screen displays the Gas Value Cal Gas and Time Remaining To abort the calibration click on the Abort button Figure 28 Calibration_O2 Span Gas Auto Calibration...

Страница 143: ...vance to the next gas to be calibrated To abort the cali bration click on the Abort button When all gases have calibrated the screen displays the Calibration Results that include drift as well as reco...

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Страница 145: ...ration_Options tab Using the Remote Cal Unit RCU the user manually accepts the gas val ues when each gas is stable by clicking on the ACCEPT button 1 Click on the Calibration button The Set Calibratio...

Страница 146: ...e system to recover from reading calibra tion gas values to reading process gases 5 Enter the Cal Gas duration If you have already entered your calibration gas values under the Configuration_Cal Gas V...

Страница 147: ...e sensor Click the OK button when you have applied this gas Figure 36 Calibration_Inject Combustible Span Gas Calibration screen 8 The system will calibrate the combustibles span gas When the read ing...

Страница 148: ...u are calibrating them at this time When all gases have calibrated the screen displays the Calibration Results that include drift as well as recovery time If the calibration is success ful a large gre...

Страница 149: ...ding information that is useful when troubleshooting the interface to the distributed control system DCS TABS FUNCTIONS SENSOR Provides setpoints for normal operation OXYGEN CELL Provides information...

Страница 150: ...l Temp Verification degrees Celsius Blow Back Box Temperature degrees Celsius Oxygen Cell This screen displays the information you need to determine the health of the cell and to determine if and when...

Страница 151: ...ed to determine the health of the combustibles detector and to determine if and when it needs to be replaced Figure 41 Diagnostics_Combustible Detector screen Detector Age in days Estimated Detector L...

Страница 152: ...needs to be re placed Figure 42 Diagnostics_Methane Detector screen Detector Age in days Sensitivity mV Active Element Voltage Volts Reference Element Voltage Volts I O Inputs and Outputs Diagnostics...

Страница 153: ...te terminal block Contact In that allows access to the switch to electronically open close trigger a calibration When Diagnostics Mode is on the close contact switch is open to prevent the analyzer fr...

Страница 154: ...igure 46 Diagnostics_Blow Back screen Blow Back Time and Date Flow Prior to Blow Back Flow after Blow Back Utilities There are three utility options Parameter Management About Upgrade Firmware Paramet...

Страница 155: ...s the analyzer serial number Figure 48 Utilities_About screen Upgrade Firmware This screen upgrades the current version of firmware Figure 49 Utilities_Upgrade Firmware screen Click on the BROWSE butt...

Страница 156: ...A 42 Thermox WDG V Series Analyzers This page intentionally left blank...

Страница 157: ...STRUC TIONS CRITIQUES COMME SUIT Une proc dure de fonctionnement qui n est pas strictement suivie peut engendrer une blessure de personne ou une contamination de l environnement Une proc dure de fonct...

Страница 158: ...ications de terres Une utilisation quelconque de l quipement de mani re non sp cifi e par le con structeur peut compromettre la protection de la s curit d origine fournie par l quipement Mise la terre...

Страница 159: ...CER OU CABLER UN MODULE AVERTISSEMENT RISQUE D EXPLOSION NE DECON NECTEZ PAS L EQUIPEMENT SAUF SI L ALIMENTATION ELEC TRIQUE A ETE COUPEE OU SI LA ZONE EST SANS RISQUE CET EQUIPEMENT EST CONFORME A UN...

Страница 160: ...Suivez les instructions de mise la terre fournies dans le chapitre Installation de ce manuel de l utilisateur Avant de connecter aux bornes d entr e ou de sortie de l analyseur assurez vous que l anal...

Страница 161: ...ique sp cifi e Ne faites pas fonctionner avec les d faillances suspectes Si vous suspectez que l analyseur est endommag demandez un technicien qualifi de l inspecter Prenez des pr cautions en levant l...

Страница 162: ...jusqu son point d inflammation Ne pas ouvrir une porte charni re de l unit de terrain purg e Z avant d avoir v rifi que la zone n est pas class e risque Des pi ces internes chaudes sont au dessus de l...

Страница 163: ...bilit lectromagn tique en aucune circon stance vous ne devez laisser l cran d un c ble d connect en une ou deux extr mit s unit de contr le ou de terrain ou autre appareil Les operations dans ce chapi...

Страница 164: ...A 8 Thermox WDG V VC VCM with Blow Back This page intentionally left blank...

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