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Servicing

Step POL Board Replacement

Thermo Scientific

42iQD Instruction Manual

7-23

Use the following procedure to replace the Step POL Board.
Equipment required:

Torque screwdriver, T15 or Slot screwdriver, 3/16

Turn instrument OFF, unplug power cord, and remove the cover

(

Figure 2–1

Unplug Step POL power cable J4.

Unplug Step POL signal cable J2.

Unplug pump cable J7.

Unfasten captive hardware.

Figure 7–27.

Unplug and Unfasten Step POL Board

Step POL Board

Replacement

Содержание 42iQD

Страница 1: ...42iQD Instruction Manual NOx Analyzer 119013 00 1Sep2021 ...

Страница 2: ......

Страница 3: ... Display 3 1 Main Menus and Keypads 3 5 Numeric Keypad 3 6 Alphanumeric Keypad 3 7 Calibration 3 9 Calibrate Background 3 10 Calibrate NOx Background 3 11 Calibrate Span Coefficient 3 12 Calibrate NOx Span Coefficient 3 14 Zero Span Schedule 3 16 Advanced Calibration 3 18 Manual Calibration 3 19 Calibration History 3 24 Data 3 25 View Data Log Last Hour 3 26 View Data Log Last 24 Hours 3 27 View D...

Страница 4: ...ayern Hessen Settings 3 91 Ethernet Protocol Selection 3 92 Instrument Settings 3 93 Instrument Setpoints 3 95 Alarm Setpoints 3 96 Display Setup 3 98 Clock 3 99 Time Zone 3 103 Configuration 3 107 Security Access Levels 3 108 Change Security to View Only Access 3 110 Change Full Access Security Password 3 111 Change Instrument Password 3 113 Reset Instrument Password 3 115 USB Drive 3 116 Firmwar...

Страница 5: ...NOx Background to Zero 4 10 Calibrate the NOx Channel to the NOx Calibration Gas 4 12 Preparing NOx Calibration Curves 4 12 Alternative Calibration Procedure Using NO2 Permeation Tube 4 13 Commercial Precision Dilution Systems 4 13 Permeation Tube System 4 13 Calibration in Dual Range and Auto Range Mode 4 15 Set NOx Background to Zero 4 15 Calibrate NOx Low 4 16 Calibrate NOx High 4 16 Zero and S...

Страница 6: ...r Board Replacement 7 16 DMC Pressure and Flow Board 7 17 Pump Replacement 7 19 Power Supply Replacement 7 21 Step POL Board Replacement 7 23 DMC PMT Cooler and Reaction Chamber Replacement 7 26 PMT Cooler Shroud Removal 7 26 PMT Cooler Board Replacement 7 28 Reaction Chamber Cleaning and or Removal 7 30 Photomultiplier Tube PMT Replacement 7 33 DMC Converter Replacement 7 36 Converter Assembly Bo...

Страница 7: ...e 8 8 Optional Equipment 9 1 Connecting External Devices 9 1 Communication Board 9 2 RS 232 RS 485 Port 9 2 RS 485 External Accessory Port 9 3 Analog I O Board 9 4 Analog Voltage Inputs 9 4 Analog Voltage Outputs 9 5 Analog Output Calibration 9 6 Analog Output Zero Calibration 9 7 Analog Output Full Scale Calibration 9 9 Digital I O Board 9 11 Digital Inputs 9 11 Digital Relay Switches 9 13 Valve ...

Страница 8: ...ts viii 42iQD Instruction Manual Thermo Scientific Quick Reference B 1 List of Figures B 1 List of Tables B 3 GNU Lesser General Public License C 1 GNU Lesser General Public License C 1 Appendix B Appendix C ...

Страница 9: ...ilability Distributed Measurement and Control DMC module design simplifies serviceability Each DMC module contains its own microprocessor control enabling functional performance validation at the module level Built in predictive diagnostics and preventive maintenance schedules identify problems before they occur The iQ Series platform sends email notifications directly to Thermo Fisher Scientific ...

Страница 10: ...ntific experience to simplify daily operations Custom designed ePort software allows remote access to the analyzer with a PC The ePort control mirrors the same GUI look and feel as the instrument touchscreen providing a speedy and familiar operational experience Figure 1 1 42iQD Front ...

Страница 11: ...ry to the NO2 to NO converter and then to the reaction chamber NOx mode A flow sensor prior to the reaction chamber measures the sample flow Dry air enters the 42iQD through the dry air bulkhead passes through a flow switch and then through a silent discharge ozonator The ozonator generates the ozone needed for the chemiluminescent reaction At the reaction chamber the ozone reacts with the NO in t...

Страница 12: ...Introduction Principle of Operation 1 4 42iQD Instruction Manual Thermo Scientific Figure 1 2 42iQD Flow Schematic Figure 1 3 42iQD Flow Schematic with Zero Span ...

Страница 13: ...Rate 0 6 0 8 lpm Operating Temperature Range 0 40 C Power Requirements 100 240 VAC 50 60 Hz 275 Watts Physical Dimensions 24 in D x 16 75 in W x 8 72 in H 609 mm D 425 45 mm W x 221 48 mm H Weight 40 lbs Analog I O 4 Isolated Voltage Inputs 0 10 V 6 Isolated Analog Voltages Outputs with 4 selectable ranges 6 Isolated Analog Current Outputs with 2 selectable ranges Digital I O 16 Digital Inputs TTL...

Страница 14: ...Introduction Dimensions 1 6 42iQD Instruction Manual Thermo Scientific Figure 1 4 Bench Mount Assembly dimensions in inches mm Dimensions ...

Страница 15: ...Introduction Dimensions Thermo Scientific 42iQD Instruction Manual 1 7 Figure 1 5 Rack Mount Assembly dimensions in inches mm ...

Страница 16: ...Introduction Dimensions 1 8 42iQD Instruction Manual Thermo Scientific Figure 1 6 Rack Mount Requirements Figure 1 7 Rack Requirements Part 2 ...

Страница 17: ...ng container when you receive the instrument notify the carrier immediately and hold for inspection The carrier is responsible for any damage incurred during shipment Use the following procedure to unpack and inspect the instrument 1 Remove the instrument from the shipping container and set it on a table or bench that allows easy access to both the front and rear 2 Remove the cover to expose the i...

Страница 18: ... the cover Equipment required Phillips screwdriver 2 1 Unfasten the four 8 32 screws securing the cover shipping screws 2 Press in both latches located on top cover and hold while pulling up to remove Set upright Figure 2 1 Removing the Cover 3 To replace align cover and drop in Latches will automatically snap in place Cover Removing and Replacing ...

Страница 19: ...trument can be installed in the following configurations Bench Mount Rack Mount Positioned on bench includes installing feet See Figure 2 2 Equipment required Slot drive 5 16 inch 1 Fasten feet in position 1 or 2 to fit to the desired depth Figure 2 2 Installing Feet Mounting Options Bench Mount ...

Страница 20: ... Equipment required Phillips drive 2 1 Start by gripping from the top corners of the front panel and pull outwards Figure 2 3 Removing the Front Panel 2 Unfasten the four 8 32 x 3 16 inch pan head screws 3 Slide ears outwards 4 Use the same four 8 32 x 3 16 inch pan head screws to secure it 5 Install the handles with the four 8 32 x 3 16 inch flat head screws Rack Mount ...

Страница 21: ...Installation and Setup Mounting Options Thermo Scientific 42iQD Instruction Manual 2 5 Figure 2 4 Installing Ears and Handles ...

Страница 22: ...t at atmospheric pressure It may be necessary to use an atmospheric bypass plumbing arrangement as shown in Figure 2 6 if gas pressure is greater than atmospheric pressure 2 Connect the EXHAUST bulkhead to a suitable vent or ozone scrubber The exhaust line should be 1 4 inch OD with a minimum ID of 1 8 inch The length of the exhaust line should be less than 10 feet Verify that there is no restrict...

Страница 23: ...rmo Scientific 42iQD Instruction Manual 2 7 The 42iQD is supplied with a three wire grounding cord Under no circumstances should this grounding system be defeated Figure 2 5 42iQD Rear Panel Figure 2 6 Atmospheric Dump Bypass Plumbing Icon Here ...

Страница 24: ...ayed on the gas mode button in the title bar and the concentration calculation is turned off To disable warm up go to Settings Configuration 3 Set instrument parameters such as operating ranges and averaging times to their appropriate settings For more information about instrument parameters see the Operation chapter 4 Before beginning the actual monitoring perform a multipoint calibration as desc...

Страница 25: ...er Interface located in the middle is where the Home Screen and all other screens are accessed The Home Screen has three Main Menu buttons located on the left side which include Calibration Data and Settings while the user interface to the right of the buttons displays the chemical names concentration values and units The Status Bar located at the bottom includes the Back button Access Levels Heal...

Страница 26: ...Operation Instrument Display 3 2 42iQD Instruction Manual Thermo Scientific Home Screen dual or auto range mode Title Bar User Interface Status Bar ...

Страница 27: ...time status and alarms also predictive diagnostics and maintenance history Contains controls for operating the instrument communications and sets instrument options Concentration When in single mode displays NOx concentration in big bold characters depending on operating mode When in dual or auto mode displays either high range or low range values based on the range setting Status Bar Back button ...

Страница 28: ...Operation Instrument Display 3 4 42iQD Instruction Manual Thermo Scientific Thermo Scientific Information button Shows contact information ...

Страница 29: ...tatus and Alarms Predictive Diagnostics Maintenance File Sharing and Support iQ360 Firmware Version Measurement Settings Averaging Time Range Mode Selection Range Settings Gas Mode Gas Units Dilution Ratio Advanced Measurement Reaction Chamber Settings Extended Ranges Compensation Pressure Calibration Instrument Settings Instrument Setpoints Alarm Setpoints Ozonator Safety PMT Supply Ozonator Supp...

Страница 30: ...uch as for flow rates temperatures or pressures the keypad screen will automatically display Initially the box above the keypad will display the current value Enter a new value using the keypad and then select the Enter button to set the new value or press the Cancel button to exit the keypad screen and return to the previous screen without saving the value Numeric Keypad ...

Страница 31: ...utomatically display Initially the box above the keypad will display the current value Enter a new value using the keypad and then select the Enter button to set the new value or press the Cancel button to exit the keypad screen and return to the previous screen without saving the value The alphanumeric keypad is only available when the user needs to enter alphabet characters Alphanumeric Keypad ...

Страница 32: ...Operation Instrument Display 3 8 42iQD Instruction Manual Thermo Scientific ...

Страница 33: ...w to run a calibration Home Screen Calibration The Calibration screen contains the following information Calibrate Background Sets the NOx reading to zero Calibrate Span Coefficients Sets the NOx span coefficient Zero Span Schedule Programs the instrument to perform fully automated zero and span checks or adjustments Advanced Calibration Calibrates the instrument using manual zero span calibration...

Страница 34: ...Calibrate Background screen is used to calibrate the instrument zero background of NOx Home Screen Calibration Calibrate Background The Calibrate Background screen contains the following information Calibrate NOx Background Sets the NOx background to zero Calibrate Background ...

Страница 35: ...eraging time to 300 second averaging Home Screen Calibration Calibrate NOx Background The Calibrate Background screen contains the following information Target NOx Concentration Read only Displays what the NOx concentration value will become when the calibrate button is pressed Current NOx Concentration Read only Displays what the current NOx concentration is Current NOx Background Read only Displ...

Страница 36: ... sure to use a low span gas to calibrate the low range and a high span gas to calibrate the high range For more information about range modes see Range Mode Selection on page 3 71 It is important to note the averaging time when calibrating The longer the averaging time the more precise the calibration results To achieve maximum precision allow the instrument to stabilize each time input gas is cha...

Страница 37: ... information Calibrate NOx Span Coefficient Sets the NOx span coefficient when in single range mode Calibrate High Range NOx Span Coefficient Sets the high range NOx span coefficient when in dual or auto range mode Calibrate Low Range NOx Span Coefficient Sets the low range NOx span coefficient when in dual or auto range mode ...

Страница 38: ...icate the calibration of the high or low coefficient The Calibrate High Span Coefficient and Calibrate Low Span Coefficient screens function the same way It is important to note the averaging time when calibrating The longer the averaging time the more precise the calibration results To achieve maximum precision allow the instrument to stabilize each time input gas is changed and set the averaging...

Страница 39: ...splays the current user set NOx span coefficient when in single range mode Current High Range NOx Coefficient Read only Displays the current user set high range NOx span coefficient when in dual or auto range mode Current Low Range NOx Coefficient Read only Displays the current user set low range NOx span coefficient when in dual or auto range mode Calculated NOx Span Coefficient Read only After t...

Страница 40: ...n schedule Enabled or Disabled Next Time Allows the user to view and set the initial date and time 24 hour format of the zero span schedule Period Defines the period or interval between zero span checks or calibrations If period 0 the schedule runs continuously Zero Duration Sets how long zero air is sampled by the instrument Span Duration Sets how long span gas is sampled by the instrument Purge ...

Страница 41: ...d value is not updated Span Calibration Toggles Enabled Disabled If enabled span coefficient is calibrated If disabled schedule runs a calibration check only and span coefficient is not updated Zero Span Ratio Allows the user to perform more scheduled background calibration checks to span calibration checks Default is 1 and therefore reads 1 1 This means that each time the schedule is run both the...

Страница 42: ...bration history See Chapter 4 Calibration for further instructions on how to run a calibration Home Screen Calibration Advanced Calibration The Advanced screen contains the following information Manual Calibration The user manually adjusts the background or span coefficient Calibration History Lists all calibrations performed and calibration checks Advanced Calibration ...

Страница 43: ...tions on how to run a Manual Calibration Home Screen Calibration Advanced Calibration Manual Calibration The Manual Calibration screen contains the following information Adjust Background Allows the user to manually adjust the zero background Adjust Span Coefficient Allows the user to manually adjust the span coefficient Reset Bkg to 0 000 and Span Coef to 1 000 Resets background and coefficient M...

Страница 44: ...und screens is used to manually adjust the NOx zero background Home Screen Calibration Advanced Calibration Manual Calibration Adjust Background The Adjust Background screen contains the following information Adjust NOx Background User manually adjusts zero NOx background Adjust Background ...

Страница 45: ...instrument to stabilize each time input gas is changed and set the averaging time to 300 second averaging Home Screen Calibration Advanced Calibration Manual Calibration Adjust Background Adjust NOx Background The Adjust NOx Background screens contains the following information Adjust NOx Background User manually adjusts zero NOx background Adjusted NOx Concentration Read only Displays what the NO...

Страница 46: ...indicate the calibration of the high or low coefficient The Adjust High Range NOx Span Coefficient and Adjust Low Range NOx Span Coefficient screens function the same way It is important to note the averaging time when calibrating The longer the averaging time the more precise the calibration results To achieve maximum precision allow the instrument to stabilize each time input gas is changed and ...

Страница 47: ...ually adjusts the high range NOx span coefficient when in dual or auto range mode Adjusted High Range NOx Concentration Read only Shows adjusted high range NOx concentration based on adjusted high range NOx span coefficient when in dual or auto range mode Current High Range NOx Concentration Read only Shows current high range NOx concentration when in dual or auto range mode Adjust Low Range NOx S...

Страница 48: ... Calibration History Note Pressing the Calibration History button responds with Retrieving calibration log data it may take a few seconds The Calibration History screen contains the following information Time Stamp Time of calibration or calibration check Event Lists the type of calibration event Result Concentration result Target Concentration setpoint value Units Displays units for each item Ave...

Страница 49: ...ollowing information View Data Log Last Hour User views last hour of historical data Table shows most recent data on top View Data Log Last 24 Hours User views 24 hour of historical data Table shows most recent data on top View Data Log User Defined Time User selects the start and end time for viewing the data Table shows most recent data on top Advanced Data Setup Allows the user to set up the pa...

Страница 50: ...up and down and the and buttons to move left and right Home Screen Data View Data Log Last Hour Note Pressing the View Data Log Last Hour responds with Retrieving user log data it may take a few seconds The View Data Log Last Hour screen contains the following options Graph Displays data graph for the column selected The graph time axis is defined by the data set in the table View Data Log Last Ho...

Страница 51: ...nd down and the and buttons to move left and right Home Screen Data View Data Log Last 24 Hours Note Pressing the View Data Log Last 24 Hours responds with Retrieving user log data it may take a few seconds The View Data Log Last 24 Hours screen contains the following options Graph Displays data graph for the column selected The graph time axis is defined by the data set in the table View Data Log...

Страница 52: ... Time Home Screen Data View Data Log User Defined Time Save Data Logging Start Time The View Data Log User Defined Time screen contains the following information Date Sets date of data logging start time Time Sets time of data logging start time Save Data Logging Start Time Pressing this button saves the start time and follows directly to the end time selection for the data logging screen View Dat...

Страница 53: ...mation Date Sets date of data logging end time Time Sets time of data logging end time Save Data Logging End Time Pressing the Save Data Logging End Time button saves the end time and follows directly to the data logging table Note End time should not be greater than 1 year from start time Note The datalogging table is limited to 10 000 points ...

Страница 54: ...p parameters for data logging and streaming data Home Screen Data Advanced Data Setup The Advanced Data Setup screen contains the following information Data Logging Setup User selects the parameters for collecting logged data Streaming Data Setup User selects the parameters for streaming data to a computer in real time Advanced Data Setup ...

Страница 55: ...ariables to log Period User selects how often data is collected by setting the duration between logged data Data Treatment Toggles between Average Current Minimum and Maximum When set to average the average value during the period will be recorded When set to current the latest data will be recorded When set to minimum or maximum the minimum or maximum value during the period will be recorded Eras...

Страница 56: ... other but contain the same variable selections The list is based on the instrument s configuration Use the and buttons to scroll through the variables Select the variables to log by pressing the corresponding cells Next press the Commit Changes button to save selections Yellow buttons indicate that the variable is selected Home Screen Data Advanced Data Logging Setup Select Data Logging Variables...

Страница 57: ...ing Data Setup screen contains the following information Select Streaming Variables User selects which variables to stream Period Sets the time between streamed data Show Labels Toggles Enabled Disabled When enabled shows variable labels to the left of the variable values Show Timestamp Toggles Enabled Disabled When enabled shows timestamp at the beginning of each row of data Streaming Data Setup ...

Страница 58: ...h other but contain the same variable selections The list is based on the instrument s configuration Use the and buttons to scroll through the variables Select the variables to log by pressing the corresponding cells Next press the Commit Changes button to save selections Yellow buttons indicate that the variable is selected Home Screen Data Advanced Streaming Data Setup Select Streaming Variables...

Страница 59: ...act Thermo Fisher Scientific technical support Measurement Settings Allows the user to setup user preferences as related to the concentration readings Communications Allows the user to communicate with outside devices Instrument Setting Allows the user to setup alarm setpoints and user preferences Configuration User selects which options to enable Security Access Levels User selects security proto...

Страница 60: ...ns the following information Status and Alarms Allows the user to view the status and alarm menus Menus are broken down according to modules where the user can view instrument readings setpoints and alarms Predictive Diagnostics Smart module diagnostics which shows possible future issues Maintenance History Allows the user to set up a maintenance schedule and track maintenance history File Sharing...

Страница 61: ...active alarm in the module Home Screen Settings Health Check Status and Alarms Home Screen Settings Health Check Status and Alarms More The Status and Alarms screen contains the following information Concentration Displays NO NO2 NOx concentrations and alarms Reaction Chamber Displays reaction chamber alarms and faults Ozonator Displays ozonator alarms and faults NO2 Converter Displays NO2 convert...

Страница 62: ...mo Scientific Valve and Pump Resets User can reset valve and pump power Analog I O Displays analog input output alarms and faults Digital I O Displays digital input output alarms and faults Serial Numbers Displays all the serial numbers for the instrument ...

Страница 63: ...ng information Across Concentration This column lists items associated with the NOx concentrations Value Displays the current value for each item Low Alarm Displays low alarm for each item High Alarm Displays high alarm for each item Span Conc Span concentration used in the span calibration or span check Units Displays units for each item Down NOx NOx concentration NOx Bkg Check Offset Displays NO...

Страница 64: ...truction Manual Thermo Scientific limit for acceptable span check offset compared to the span concentration value Span concentration shows span setpoint Note If both the low alarm and high alarms are set to zero then no alarm will show ...

Страница 65: ...rmation Across Chamber This column lists items associated with the reaction chamber Value Displays the current value for each item Low Alarm Displays low alarm status for each item High Alarm Displays high alarm status for each item Units Displays units for each item Down Instrument Temperature Displays the current instrument temperature reading Flow Displays the current sample flow reading Chambe...

Страница 66: ...er voltage too low Cooler Voltage too High Displays OK Fail for cooler voltage too high PMT Voltage Displays the current PMT voltage reading PMT Voltage too Low Displays OK Fail for PMT voltage too low PMT Voltage too High Displays OK Fail for PMT voltage too high Frequency Displays the current frequency reading Frequency too Low Displays OK Fail for frequency too low Frequency too High Displays O...

Страница 67: ...Manual 3 43 12 V Diagnostic Displays current voltage readings Alarm limits are not changeable 12 V Diagnostic Displays current voltage readings Alarm limits are not changeable 24 V Diagnostic Displays current voltage readings Alarm limits are not changeable ...

Страница 68: ...ists items associated with the ozonator Value Displays the current value for each item Low Alarm Displays low alarm status for each item High Alarm Displays high alarm status for each item Units Displays units for each item Down Ozonator Power Displays the current ozonator power on or off Ozonator Level Displays the current ozonator level Ozonator Flow Displays OK Fail for ozonator flow Ozonator C...

Страница 69: ...rent voltage readings Alarm limits are not changeable 5 V Diagnostic Displays current voltage readings Alarm limits are not changeable 15 V Diagnostic Displays current voltage readings Alarm limits are not changeable 24 V Diagnostic Displays current voltage readings Alarm limits are not changeable ...

Страница 70: ...the following information Across Converter This column lists items associated with the NO2 converter Value Displays the current value for each item Low Alarm Displays low alarm status for each item High Alarm Displays high alarm status for each item Units Displays units for each item Down NO2 Converter Temperature Displays the current NO2 converter temperature reading User can adjust low and high ...

Страница 71: ... limits No voltage rows ever get highlighted 2 5 V Diagnostic Displays current voltage readings Alarm limits are not changeable 3 V Diagnostic Displays current voltage readings Alarm limits are not changeable 3 3 V Diagnostic Displays current voltage readings Alarm limits are not changeable 5 V Diagnostic Displays current voltage readings Alarm limits are not changeable ...

Страница 72: ...Across Flow and Pressure This column lists items associated with the flow and pressure module Value Displays the current value for each item Low Alarm Displays low alarm status for each item High Alarm Displays high alarm status for each item Units Displays units for each item Down Flow Displays the current flow reading User can adjust low and high alarm limits Chamber Pressure Displays the curren...

Страница 73: ... if any voltages are outside their limits No voltage rows ever get highlighted 2 5V Diagnostic Displays current voltage readings Alarm limits are not changeable 3 3V Diagnostic Displays current voltage readings Alarm limits are not changeable 5 0V Diagnostic Displays current voltage readings Alarm limits are not changeable 24V Diagnostic Displays current voltage readings Alarm limits are not chang...

Страница 74: ...ross PSB This column lists items associated with the peripherals support Value Displays the current value for each item Low Alarm Displays low alarm status for each item High Alarm Displays high alarm status for each item Units Displays units for each item Down Module Temperature Displays the current temperature of the module Sample Valve Displays whether or not the sample valve is activated Zero ...

Страница 75: ...ghlighted 2 5V Diagnostic Displays current voltage readings Alarm limits are not changeable 3 3V Diagnostic Displays current voltage readings Alarm limits are not changeable 5 0V Diagnostic Displays current voltage readings Alarm limits are not changeable 24V Diagnostic Displays current voltage readings Alarm limits are not changeable 5 0V Step Board 1 Displays OK Fail 24V Step Board 1 Displays OK...

Страница 76: ...s symbol denotes that the device needs to be reset Note Resetting one valve will reset all valves Home Screen Settings Health Check Status and Alarms Valve and Pump Resets The Valve and Pump Resets screen contains the following information Sample Valve Reset Resets sample valve Zero Valve Reset Resets zero valve Span Valve Reset Resets span valve Pump Reset Resets pump Valve and Pump Resets ...

Страница 77: ...contains the following information Across Analog IO This column lists items associated with the analog I O Value Displays the current value for each item Low Alarm Displays low alarm status for each item High Alarm Displays high alarm status for each item Units Displays units for each item Down Voltage Output Channel 1 6 Displays real time voltage output for each channel Current Output Channel 1 6...

Страница 78: ...No voltage rows ever get highlighted 3 3V Diagnostic Displays current voltage readings Alarm limits are not changeable 5 0V Diagnostic Displays current voltage readings Alarm limits are not changeable 5 0V Ref Diagnostic Displays current voltage readings Alarm limits are not changeable 15V Diagnostic Displays current voltage readings Alarm limits are not changeable 15V Diagnostic Displays current ...

Страница 79: ...s the following information Across Digital IO This column lists items associated with the digital I O Value Displays the current value for each item Reset Resets item Low Alarm Displays low alarm status for each item High Alarm Displays high alarm status for each item Units Displays units for each item Down Solenoid 1 8 Displays whether or not the solenoid is activated by showing the current in mA...

Страница 80: ...oes red if any voltages are outside their limits No voltage rows ever get highlighted 3 3V Diagnostic Displays current voltage readings Alarm limits are not changeable 5 0V Diagnostic Displays current voltage readings Alarm limits are not changeable 24V Diagnostic Displays current voltage readings Alarm limits are not changeable ...

Страница 81: ...he Serial Numbers screen contains the following information Instrument Instrument serial number Reaction Chamber Reaction chamber serial number Ozonator Ozonator serial number NO2 Converter NO2 converter serial number Flow and Pressure Flow and pressure serial number Peripherals Support Peripherals support serial number Analog I O Analog I O serial number Digital I O Digital I O serial number Seri...

Страница 82: ...s greyed out no maintenance is needed If button is blue maintenance is suggested Note This symbol denotes there is an active maintenance related warning in the module Home Screen Settings Health Check Predictive Diagnostics The Predictive Diagnostics screen contains the following information Reaction Chamber NO2 Converter Sample Pump Capillary Flow Path Case Fan Sample Valve Zero Valve Span Valve ...

Страница 83: ...lth Check Maintenance Home Screen Settings Health Check Maintenance Advanced Maintenance The Maintenance screen contains the following information Preventive Maintenance Shows suggested service interval and time left for component replacement Change Part User logs component fix Maintenance History Shows the log of all recorded component fixes Service Tips Provides video and procedural service tips...

Страница 84: ...ntenance The Preventive Maintenance screen contains the following information Across Component Device to be routinely serviced or replaced Interval in Months Expected period of time before a component needs to be checked and or serviced Months Left Count down timer in months Remaining time since the beginning of the service interval When the value is 1 or less the row will be highlighted and it is...

Страница 85: ...or ozonator assembly Ozone Permeation Dryer Service interval for ozone permeation dryer Flow System Service interval for the flow system components Pump Service interval for pump Capillary Sample Service interval for capillaries Capillary Ozone Service interval for capillaries DC Power Supply Service interval for DC power supply Fan Filter Service interval for fan filter System Components Service ...

Страница 86: ...e diagnostics screen when applicable Home Screen Settings Health Check Maintenance Change Part The Change Part screen contains the following information Select Part User selects part to service from the selection table Fix User chooses from new rebuilt cleaned and unknown Comment User can write a brief comment which will be saved to the preventive maintenance history table Commit User commits and ...

Страница 87: ...he and buttons to move up and down and the and buttons to move left and right Home Screen Settings Health Check Maintenance Maintenance History Note Retrieving maintenance history data it may take a few seconds The Maintenance History screen contains the following information Part Component that has been fixed Fix The type of maintenance Date Shows date time when service was logged Service Months ...

Страница 88: ...rive Email Health Check Report File to Technical Support Sends the health report file to technical support and the customer email addresses via email Email Health Check Report to Personal Account Sends the health report file to a personal account via email iQ Alert Assistant With the iQ Alert Assistant enabled the instrument will email Thermo Scientific Technical Support the health check report af...

Страница 89: ...ngs Health Check iQ360 Get Started Home Screen Settings Health Check iQ360 Status and Renewal Request The iQ360 screen contains the following information Get Started Allows the user to access the menu where the subscription passcode is entered Status and Renewal Request Allows the user to access the iQ360 menu once the subscription has been enabled Cancel and Return to the Home Screen Exits screen...

Страница 90: ...eck iQ360 Get Started The Get Started screen contains the following information Resend Subscription E mail Allows the user to request another subscription passcode if the email was never received Enter Subscription Access Code Allows the user to enter the subscription passcode to enable an iQ360 subscription Exit and Return to the Home Screen Exits screen and returns to the Home Screen Get Started...

Страница 91: ...nd Renewal Request The Status and Renewal Request screen contains the following information iQ360 Status Informs the user if the subscription is enabled iQ360 Subscription Expiration Date Informs the user when the subscription will expire iQ360 Test Connection Allows the user to verify the network connection is working iQ360 Subscription Renewal Allows the user to request a subscription renewal vi...

Страница 92: ...me for the NOx sample measurements Range Mode Selection User can choose between the various range modes single dual or auto For more information see Range Mode Selection on page 3 71 Range Settings Defines the NOx concentration range for the analog outputs Gas Mode User can manually choose sample zero or span mode Gas Units Defines how the NOx concentration readings are expressed Dilution Ratio Se...

Страница 93: ... example means that the average concentration of the last 10 seconds will be displayed every 10 seconds An averaging time of 300 seconds means that the moving average concentration of the last 300 seconds will be the output at each update Therefore the lower the averaging time the faster the front panel display and analog outputs respond to concentration changes Longer averaging times are typicall...

Страница 94: ...e High Range Dynamic Filtering Enables disables high range dynamic filtering when in dual or auto range mode Low Range Dynamic Filtering Enables disables low range dynamic filtering when in dual or auto range mode Averaging Time Sets averaging time period when in single range mode and when dynamic filtering is disabled High Range Averaging Time Sets high averaging time when in dual or auto range m...

Страница 95: ...ions from 0 to 50 ppb and the high NOx analog output set to output concentrations from 0 to 500 ppb In addition to each channel having two ranges each channel has two span coefficients There are two span coefficients so that each range can be calibrated separately This is especially necessary if the two ranges are not close to one another For example the low NOx range is set to 0 50 ppb and the hi...

Страница 96: ...ion must drop to 95 of the low NOx range for the low range to become active In addition to each channel having two ranges each channel has two span coefficients There are two span coefficients so that each range can be calibrated separately This is especially necessary if the two ranges are not close to one another For example the low NOx range is set to 0 50 ppb and the high NOx range is set to 0...

Страница 97: ...rds High or Low displayed to indicate which range is displayed For more information about the dual and auto range modes see Range Mode Selection on page 3 71 Pressing Range Setting High Range Setting or Low Range Setting brings up a numeric keypad whereby the user can select a range Home Screen Settings Measurement Settings Range Settings single range mode Home Screen Settings Measurement Settings...

Страница 98: ...range NOx concentration range for the analog output when in dual or auto range mode Settable standard ranges according to unit selection include ppb 50 20000 ppb ppm 0 05 20 ppm 0 000005 0 002 µg m3 100 30000 µg m3 mg m3 0 1 30 mg m3 g m3 0001 0 030 g m3 Settable extended ranges according to unit selection include ppb 200 100000 ppb ppm 0 2 200 ppm 00002 0 01 µg m3 500 150000 µg m3 mg m3 0 5 150 m...

Страница 99: ...ttings Measurement Settings Gas Mode The Gas Mode screen contains the following information Sample Sets the instrument to measure sample gas Zero Used when calibrating the background of the instrument When pressed sets the instrument to zero mode Span Used when calibrating the span coefficient When pressed sets the instrument to span mode Gas Mode ...

Страница 100: ...a standard pressure of 760 mmHg and a standard temperature of 0 C The temperature can be changed in the compensation screen Use the and buttons to select Home Screen Settings Measurement Settings Gas Units The Gas Units screen contains the following information ppb parts per billion ppm parts per million percent µg m3 micrograms per meter cubed mg m3 milligrams per meter cubed g m3 grams per meter...

Страница 101: ...asurement Settings Advanced Measurement Settings The Advanced Measurements Settings screen contains the following information Reaction Chamber Settings User can calibrate Input board and PMT Extended Ranges Enables disables extended ranges feature Compensation Allows the user to compensate for changes in temperature and pressure concentration Pressure Calibration Calibrates pressure Advanced Measu...

Страница 102: ... Chamber Settings Home Screen Settings Measurement Settings Advanced Measurement Settings Reaction Chamber Settings Continue to Input Board Calibration Screen The Input Board Calibration screen contains the following information Across Description Defines the actions the user can do Input Board Cal User can manually adjust the input board value start stop automatic calibration read voltage frequen...

Страница 103: ...Freq Displays zero offsets frequency Default Values When pressed the default values are saved Home Screen Settings Measurement Settings Advanced Measurement Settings Reaction Chamber Settings Continue to PMT Calibration Screen The PMT Calibration screen contains the following information Across Description Defines the actions the user can do PMT Supply User can manually adjust the PMT supply value...

Страница 104: ... target concentration Calibration Concentration Displays calibration concentration Auto Calibration When pressed the auto calibration process is initiated Please allow up to 5 minutes for calibration to complete PMT voltage is automatically adjusted until calibration concentration is with 1 of target concentration End Calibration When pressed the auto calibration is interrupted and the value does ...

Страница 105: ...erature variations The effects of internal instrument temperature changes on the analyzer s subsystems and output have been empirically determined This empirical data is used to compensate for any changes in temperature Pressure Compensation Toggles pressure compensation enabled or disabled and provides compensation for any changes to the instrument s output signal due to bench pressure variations...

Страница 106: ...sor Calibration Starts calibration or resets default values Down Sensor 1 3 Reading Under the column labeled Reading current reading of each pressure sensor Atmospheric Sensor 1 3 Under the column labeled reading the user enters the current atmospheric pressure in mmHg units Under the column labelled Calibration the user presses the Start button to calibrate the high point of the sensor Zero Senso...

Страница 107: ...ation Communications Board Analog I O Settings for communicating with the instrument through analog I O settings This is only visible if selected in Settings Configuration Analog I O Digital I O Settings for communicating with the instrument through digital I O settings This is only visible if selected in Settings Configuration Digital I O Email Server SMTP Settings for communication with email In...

Страница 108: ...t the instrument should respond with in response to a valid data query DA command Note Refer to the Bayern Hessen Protocol section in the Communications Manual for a detailed description Ethernet Protocol Selection Allows the user to enable Streaming Modbus or Bayern Hessen to utilize the mobile app and or those communication protocols ...

Страница 109: ...is disabled the static IP address is used Home Screen Settings Communications Wired TCP DHCP with DHCP enabled Home Screen Settings Communications Wired TCP DHCP with DHCP disabled The Wired TCP DHCP screen contains the following information DHCP Toggles DHCP Enabled Disabled Dynamic IP Address Dynamic IP address of the instrument Dynamic Netmask Dynamic Netmask of instrument Dynamic Gateway Dynam...

Страница 110: ...DHCP is disabled Static Netmask Static Netmask of instrument This is settable when DHCP is disabled Static Gateway Static Gateway of instrument This is settable when DHCP is disabled DNS Server Address DNS IP address of instrument This is settable when DHCP is disabled Wired MAC Address Instrument MAC address Host Name Host name of instrument ...

Страница 111: ...e Screen Settings Communications Serial RS 232 485 The Serial RS 232 485 screen contains the following information Protocol User selects Streaming Modbus or Bayern Hessen Baud Rate User selectable baud rates from 1200 to 115200 Bits User selectable between 7 and 8 Parity User selectable between None Even and Odd Stop Bits User selectable between 1 and 2 RS 232 485 User selectable between RS 232 an...

Страница 112: ... Analog In Allows the user to view and calibrate voltage inputs from external devices Analog Out Voltage Allows the user to view voltage outputs Analog Out Current Allows the user to view current mA outputs Analog Out Under Over Range Enabled Disabled Allows the user to select whether or not the analog outputs are allowed to exceed the selected output range Analog Out Calibration Allows the user t...

Страница 113: ... Digital I O Home Screen Settings Communications Digital I O The Digital I O screen contains the following information Digital In Allows the user to view digital inputs from external devices Digital Out Relays Allows the user to view relay outputs Digital Out Solenoids Allows the user to view solenoid outputs Advanced Digital I O Allows user to test the digital out relays and solenoids Digital I O...

Страница 114: ...Server SMTP The Email Server SMTP screen contains the following information SMTP Server Address Address of the user s email server From Email Address The email address that goes in the From field in emails SMTP Server Port Server port of user s email server Email Password Password for SMTP server Email UserName User name that is authorized to send email through SMTP server Email Server SMTP ...

Страница 115: ...tings The Bayern Hessen Settings screen contains the following information Across Number Lists up to 8 registers that can selected by the user Register User selects the measured values to be logged Meter Number Allows the user to choose the meter register number 001 to 999 that will preface the measured value in the response to the DA command Down 1 8 Displays the register number and the measured ...

Страница 116: ...ilize the mobile app and or those communication protocols Press Commit changes button to save selections Yellow buttons indicate that the selection is enabled More than one can be chosen Home Screen Settings Communications Ethernet Protocol Selection The Ethernet Protocol Selection screen contains the following information Streaming Modbus Bayern Hessen Ethernet Protocol Selection ...

Страница 117: ... contains the following information Instrument Setpoints View and set all available setpoints Alarm Setpoints View and set all available alarm minimum and maximum values Ozonator Safety Enabled Disabled Enables disables ozonator safety PMT Supply Enabled Disabled Enables disables PMT supply Ozonator Supply Enabled Disabled Enables disables ozonator supply Display Setup Sets touchscreen display set...

Страница 118: ...Operation Settings 3 94 42iQD Instruction Manual Thermo Scientific Pump Power Manually enables disables the pump Reboot Instrument Reboots the instrument ...

Страница 119: ...o move up and down and the and buttons to move left and right Home Screen Settings Instrument Settings Instrument Setpoints The Alarm Setpoints screen contains the following information Across Variable Lists the items that have settable alarm limits Setpoint User sets high alarm for item Units Units for each item not settable Down NO2 Converter Temperature NO2 converter temperature Instrument Setp...

Страница 120: ...y pressing on the corresponding buttons located in the Settings Health Check Status and Alarms screen See Status and Alarms on page 3 37 Home Screen Settings Instrument Settings Alarm Setpoints The Alarm Setpoints screen contains the following information Across Variable Lists the items that have settable alarm limits Low Alarm User sets low alarm for item High Alarm User sets high alarm for item ...

Страница 121: ...fset for calibration and calibration checks This is set with the high alarm only Instrument Temperature Instrument temperature alarm Chamber Pressure Bench pressure alarm Flow Flow pressure alarm Chamber Temperature Bench temperature alarm Cooler Temperature Cooler temperature alarm NO2 Converter Temperature NO2 converter temperature alarm ...

Страница 122: ...r save option Home Screen Settings Instrument Settings Display Setup The Display Setup screen contains the following information Power Save Minutes before screen times out Toggles enable disable Power Save Setting Option whereby the user can display a black screen after a set amount of inactivity Brightness Sets the brightness of the display Display Setup ...

Страница 123: ...me zone and time server Home Screen Settings Instrument Settings Clock The Clock screen contains the following information Date User sets date Date Format User selects date format Time User sets time Time Zone User chooses time zone Time Server User can enable disable the time server to get periodic clock updates Commit When pressed clock settings are saved Clock ...

Страница 124: ...3 100 42iQD Instruction Manual Thermo Scientific The Date screen allows the user to choose date Use the and buttons to move left and right to select month and year Home Screen Settings Instrument Settings Clock Date Date ...

Страница 125: ... the user to choose from the following formats mm dd yyyy or dd mm yyyy Use the and buttons to select Home Screen Settings Instrument Settings Clock Date Format The Date Format screen contains the following information U S Format mm dd yyyy European Format dd mm yyyy ISO 8601 yyyy mm dd Date Format ...

Страница 126: ...entific The Time screen allows the user to choose from the following formats mm dd yyyy or dd mm yyyy Use the and buttons to select Home Screen Settings Instrument Settings Clock Time The Time screen contains the following information Hours Minutes Seconds Time ...

Страница 127: ...ent Settings Clock Time Zone The Time Zone screen contains the following information Date Line West UTC 12 Samoa Time Zone UTC 11 Aleutian Time Zone UTC 10 Alaskan Time Zone UTC 9 Pacific Time Zone UTC 8 Pacific Daylight Savings UTC 7 Mountain Time Zone UTC 7 Mountain Daylight Savings UTC 6 Central Time Zone UTC 6 Central Daylight Savings UTC 5 Eastern Time Zone UTC 5 Eastern Daylight Savings UTC ...

Страница 128: ...l European Time UTC 1 Eastern European Time UTC 2 Further Eastern European Time UTC 3 Gulf Standard Time UTC 4 Yekaterinburg Time UTC 5 Omsk Time UTC 6 Indochina Time UTC 7 ASEAN Common Time UTC 8 Japan Standard Time UTC 9 Chamorro Time Zone UTC 10 Sredmnekolymsk Time UTC 11 New Zealand Standard Time UTC 12 ...

Страница 129: ...iodic clock updates Home Screen Settings Instrument Settings Clock Time Server The Time Server screen contains the following information Time Server Enables Disables periodic clock updates from an NTP Network Time Protocol source Set Time Server User can choose specific time server Set Default When pressed default time server will be used Time Server ...

Страница 130: ...ion Manual Thermo Scientific The Language screen allows the user to choose from the following languages Home Screen Settings Instrument Settings Language The Language screen contains the following information English Chinese Spanish Language ...

Страница 131: ...d More than one can be chosen Home Screen Settings Configuration The Configuration screen contains the following information Converter Molybdenum Select if molybdenum converter is used Zero Span Assembly Enables zero span valves Communications Board Enables RS 232 or RS 485 communication board Predictive Diagnostics Enables predictive diagnostics Analog I O Enables analog I O option Digital I O En...

Страница 132: ...iew Only Access The Security Access Levels screen contains the following information Current Security Access Full Access Read only User will be able to change all values Password is needed for full access Current Security Access View Only Read only User won t be able to change any values Password is not needed for view only Change Security Access to View Only User can switch to view only mode Pass...

Страница 133: ...tion Manual 3 109 Change Full Access Security Password Full access password can have a blank value or user selected password Change Instrument Password User can change instrument password Reset Instrument Password User can reset the instrument password ...

Страница 134: ...o View Only Access The Change Security to View Only Access screen contains the following information Set Access Level to View Only Programs the instrument to be in the view only access level where the user won t be able to change any values Cancel Exit screen Note To change security access from view only access to full access a keypad will be displayed where the user can enter full access password...

Страница 135: ...ecurity Password screen allows the user to set a new password for allowing full access Home Screen Settings Security Access Levels Change Full Access Security Password Home Screen Settings Security Access Levels Change Full Access Security Password Continue Change Full Access Security Password ...

Страница 136: ...nt security password Continue Proceeds to next screen Enter New Security Access Password User enters new security password Confirm New Security Access Password User confirms new security password for spelling confirmation Commit New Security Access Password Change Commits new security password Cancel and Return to the Home Screen Exits screen and returns to the Home Screen without changing passwor...

Страница 137: ...3 The Change Instrument Password screen allows the user to change the instrument password Home Screen Settings Security Access Levels Change Instrument Password Home Screen Settings Security Access Levels Change Instrument Password Continue Change Instrument Password ...

Страница 138: ...nt instrument password Continue Proceeds to next screen Enter New Instrument Password User enters new instrument password Confirm New Instrument Password User confirms new instrument password for spelling confirmation Commit New Instrument Password Change Commits new instrument password Cancel and Return to the Home Screen Exits screen and returns to the Home Screen without changing password ...

Страница 139: ... instrument serial number is 123456789 and the instrument firmware version is 1 6 8 ABCDE where the last five digits are the build number then the default instrument password number will be 1A2B3C4D5E6789 Home Screen Settings Security Access Levels Reset Instrument Password The Reset Instrument Password screen contains the following information Reset Allows the user to reset the instrument passwor...

Страница 140: ...he USB port When a USB drive is inserted the user is prompted to enter the password if a password has been set Home Screen Settings USB Drive The USB Drive screen contains the following information Firmware Update Via USB Drive If USB is mounted user can update instrument firmware Download Data To USB Drive User can download upload information Change USB Password User can change the USB password R...

Страница 141: ... from the USB drive Home Screen Settings USB Drive Firmware Update Via USB Drive The Firmware Update Via USB Drive screen contains the following information Update Firmware User chooses firmware file from USB and updates instrument firmware Instrument reboots when update is finished Exit User exits without updating firmware Firmware Update Via USB Drive ...

Страница 142: ... won t be recognized Also make sure the USB stick is formatted using the FAT or FAT32 file system 6 Plug a USB flash drive into the data port on the front panel of the unit or into one of the USB ports on the side near the power cable A pop up box will appear acknowledging that a flash drive has been detected If a USB password has been previously set you will be prompted to enter the USB password ...

Страница 143: ...on to start the firmware update process 9 Press the Update Firmware button 10 The on screen instructions will prompt the user to select the firmware update file and display what it is doing at each step and some steps may take several minutes to complete 11 Press Yes to confirm and proceed with the firmware upgrade ...

Страница 144: ... not power off the instrument while the firmware update is in progress 12 The instrument should reboot automatically and should have the new firmware installed To check that the firmware was installed go to the Settings Health Check screen and view the Firmware Version button ...

Страница 145: ...ncludes a complete listing of data for all variables This is set at the factory Download System Log Consists of system log text files which include a listing of system errors Download Calibration History Includes the data in the calibration history screen Download Configuration Data Backup to USB Allows the user to download the configuration file from the instrument to the USB Upload Configuration...

Страница 146: ...the USB connection 1 Plug a USB flash drive into the USB connection on the front of the instrument If a USB password has been previously set you will be prompted to enter the USB password to continue Press Enter to continue 2 To continue select the OK button 3 The USB Drive will display Select Download Data To USB Drive ...

Страница 147: ...transferring data to the USB drive Note Do not remove the USB drive from the instrument while the data is downloading 6 When the data download is complete the instrument will display a Success message and display the file name as it is stored on the USB flash drive The file name format is the instrument serial number name of download followed by a date time stamp Remove the USB flash drive and sel...

Страница 148: ...mo Scientific The Change USB Password screen allows the user to set a new password for accessing USB Home Screen Settings USB Drive Change USB Password Home Screen Settings Security Access Levels Change Standard Access Password Continue Change USB Password ...

Страница 149: ...ers current USB password Continue Proceeds to next screen Enter New USB Password User enters new USB password Confirm New Security Access Password User confirms new security password for spelling confirmation Commit New USB Password Change Commits new USB password Cancel and Return to the Home Screen Exits screen and returns to the Home Screen without changing password ...

Страница 150: ...ument serial number is 123456789 and the instrument firmware version is 1 6 8 ABCDE where the last five digits are the build number then the default USB password number will be 1A2B3C4D5E6789 Home Screen Settings Security Access Levels Reset USB Password The Reset USB Password screen contains the following information Reset Allows the user to reset the USB password Cancel and Return to the Home Sc...

Страница 151: ...ls found at the screen Health Check File Sharing and Support Home Screen Settings User Contact Information The User Contact Information screen contains the following information Business Name User Name Alternate User Name User ID Business Address Business Shipping Address To User Email Address CC User Email Address 1 10 User Phone Number Alternate User Phone Number Shelter Lab Phone Number User Co...

Страница 152: ...ns our operating system on power up The bootloader may change to optimize hardware settings or if there are changes to the hardware If the button is blue an update to the bootloader is available If button is greyed out no update is needed Home Screen Settings Update Bootloader The Update Bootloader screen contains the following information Reboot and Update Update bootloader and reboot instrument ...

Страница 153: ...bration or a zero span check First the instrument should have at least 90 minutes to warm up and stabilize Second the range used during the calibration or zero span check should be the same as that used during normal monitoring Third all operational adjustments to the instrument should be completed prior to calibration Fourth all parts of the gas flow system such as sample lines and particulate fi...

Страница 154: ...d pressure to allow accurate and reproducible flow control and to aid in subsequent operations such as drying oxidation and scrubbing An air compressor that gives an output of 10 psig is usually sufficient for most applications Several drying methods are available Passing the compressed air through a bed of silica gel using a heatless air dryer or removing water vapor with a permeation dryer are t...

Страница 155: ...Multi gas Calibrator is used to generate NO2 concentrations from NO concentrations Figure 4 1 shows the suggested placement of the component parts of a gas phase titration apparatus Equipment Damage All connections between components in the system should be made with glass PTFE or other non reactive material The airflow controllers should be devices capable of maintaining constant airflows within ...

Страница 156: ...the electric discharge type may produce NO and NO2 and are not recommended A valve can be used to divert the NO flow when zero air is required at the manifold The reaction chamber used for the reaction of ozone with excess NO should have sufficient volume so that the residence time meets the requirements specified in this chapter The mixing chamber is used to provide thorough mixing of the reactio...

Страница 157: ...EPA 600 4 75 003 Technical Assistance Document for the Chemiluminescence Measurement of Nitrogen Dioxide In addition the procedure for the certification of a NO working standard against an NIST traceable NO standard and determination of the amount of NO2 impurity in the working standard is reproduced here The cylinder should be re certified on a regular basis as determined by the local quality con...

Страница 158: ...working standard 8 Plot the difference between the analyzer NOx and NO responses versus FNO FT The slope of this plot is NO2 IMP A source of zero air free of contaminants should be used as described earlier in this chapter Contaminants can cause a detectable response on the instrument and may also react with the NO O3 or NO2 during the gas phase titration Use the following definitions for the rema...

Страница 159: ...flow required at the output manifold which should be equal to the analyzer demand plus 10 to 50 percent excess 2 Establish NO OUT as the highest NO concentration that will be required at the output manifold NO OUT should be about equal to 90 of the upper range limit URL of the NO2 concentration range to be covered 3 Determine FNO as NO F x NO F STD T OUT NO 4 Select a convenient or available react...

Страница 160: ... duration times should be long enough to account for the transition purge process when switching from sample to zero and from zero to span This transition time is the time required to purge the existing air Note Depending on the plumbing configuration and the instrument data from approximately the first minute of a zero calibration or check should be disregarded because of residual sample air Also...

Страница 161: ...y in this manual It is suggested that a calibration curve have at least seven points between the zero and full scale NO concentrations Although the seven point curve is optional two of whatever number of points is chosen should be located at the zero and 90 levels and the remaining points equally spaced between these values Note When the instrument is equipped with internal zero span and sample va...

Страница 162: ...after the regulator has been connected to the cylinder and before opening the cylinder valve b Thoroughly flushing the regulator and delivery system with NO after opening the cylinder valve c Not removing the regulator from the cylinder between calibrations unless absolutely necessary 4 Connect the analyzer sample bulkhead input to the output of the GPT system Use the following procedure to adjust...

Страница 163: ...at least 1 5 liters min is recommended a Allow the analyzer to sample zero air until the NOx response stabilizes b After the response is stabilized from the Home Screen choose Calibration Calibrate Background Calibrate NOx Background The Target NOx Concentration button will read 0 00 The Calculated NOx Background button will display the background needed to make the current NOx concentration go to...

Страница 164: ... Pressing the Calibrate button will save the new NOx span coefficient and calibrate the instrument 3 Enter the NOx calibration gas concentration using the pushbuttons and then press Calibrate to calibrate the instrument to the NOx calibration gas The exact NOx concentration is calculated from F F F NO NO x F NO D O NO IMP 2 STD NO OUT x Where NOx OUT diluted NOx concentration at the output manifol...

Страница 165: ...l value can be re entered thereby not altering the multipoint calibration Although it is recommended that a GPT system be used to calibrate the analyzer the procedure described in the Code of Federal Regulations Title 40 Part 50 Appendix F using a NO2 permeation tube may be used as an alternative procedure for calibrating the instrument Commercial precision dilution systems are available which rel...

Страница 166: ...low rate Ensure all devices are properly calibrated and that all flows are corrected to 25 C and 1 atm Figure 4 2 Permeation Tube System The NO2 output level is calculated from F K x P NO T OUT 2 Where NO2 OUT NO2 output concentration in ppm P permeation rate in µg min FT total flow rate of gas after mixing chamber FP FD in liters minute K NO2 0 382 constant for NO2 permeant ...

Страница 167: ...or a significant non linearity it may mask the problems causing the effect such as bad calibration cylinder leaks in sampling lines or low ozonator output Use the following procedure to set the NOx background to zero For detailed information about the menu parameters and the icons used in these procedures see the Operation chapter 1 Follow the Pre Calibration procedure described previously in this...

Страница 168: ... Enter the NOx calibration gas concentration using the pushbuttons and then press Calibrate to calculate and save the new low range NOx span coefficient based on the entered span coefficient Use the following procedure to calibrate the NOx channel to the NOx calibration gas 1 Press the Back button to return to the Calibration menu and choose Calibrate High Range NOx Span Coefficient The user sets ...

Страница 169: ... quality data collected and to alert the user if the accuracy or reliability of the data should become unacceptable A compilation of this kind might include items such as dates of calibration atmospheric conditions calibration factors and other pertinent data Use the following procedure to perform a zero and span check 1 Connect the zero gas to the SAMPLE bulkhead in a standard instrument or to th...

Страница 170: ...tors can also be set manually using the functions as described below The following screen is shown in single range mode In dual or auto range modes High Range or Low Range buttons are displayed to indicate the calibration of the high or low coefficient The Adjust High Range Span Coefficient and Adjust Low Range Span Coefficient screens function the same way Home Screen Calibration Advanced Calibra...

Страница 171: ...used to correct the NOx reading The NOx span coefficient normally has a value near 1 000 The user can manually change the span coefficient by entering a value in the Adjust Span Coefficient button The second button called Adjusted Concentration shows what the new concentration would be based on the adjusted span coefficient Press the Calibrate button to save the adjusted span coefficient value Hom...

Страница 172: ...on Advanced Calibration Manual Calibration Adjust Coefficients Adjust Low Range NOx Span Coefficient dual or auto range mode The Reset Bkg to 0 000 and Span Coef to 1 000 screen allows the user to reset the calibration configuration values to factory defaults Reset Bkg to 0 000 and Span Coef to 1 000 ...

Страница 173: ...pan schedule begins the date and time of the next zero span schedule is calculated and displayed The Period button defines the period or interval between zero span schedule Periods between 0 and 999 hours are acceptable To turn the zero span schedule off set the period to 0 The Zero Duration button defines how long zero air is sampled by the instrument The Span and Purge Duration buttons look and ...

Страница 174: ...veraging time is used by the analyzer only when performing a zero span schedule The analyzer s averaging time is used for all other functions Range is 1 300 seconds Background Calibration and Span Calibration are toggle buttons that change between enabled or disabled If the background calibration is set to enabled then a zero adjustment is made If the span calibration is set to enabled then a span...

Страница 175: ...e internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap must be worn while handling any internal component For more information about appropriate safety precautions see the Servicing chapter Use the following procedure to inspect and clean the fan filter 1 Remove the fan guard from the fan and remove the filter Refer to Filter Replacem...

Страница 176: ...he power cord 2 Remove the PMT cooler from the instrument Refer to PMT Cooler Shroud Removal on page 7 26 3 Blow off the cooler fins using clean pressurized air It may be more convenient to vacuum the cooler fins In either case make sure that particulate accumulation between the fins has been removed 4 If necessary use a small brush to remove residual particulate accumulation Thermoelectric Cooler...

Страница 177: ...omponents can be damaged by small amounts of static electricity A properly ground antistatic wrist strap must be worn while handling any internal component Use the following procedure to inspect and replace the capillaries This procedure can be used to check any or all of the capillaries 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 Figure 5 1 Inspecting and Replacing the...

Страница 178: ...d replace as necessary 4 Check capillary for particulate deposits Clean or replace as necessary 5 Replace capillary in reaction chamber body making sure the o ring is around the capillary before inserting it into the body 6 Replace fitting Note that the fitting should be tightened slightly more than hand tight 7 Reconnect tubing to top of fittings being careful to insert ferrule and o ring properl...

Страница 179: ...le pumps take care not to mix parts 1 Turn instrument OFF unplug the power cord and remove the cover Make a sketch of the position of any tubes and fittings for ease of re assembly later 2 Mark the position of the pump headplate intermediate plate and compressor housing relative to each other by drawing a line on the edges with a pencil or marker to insure proper re assembly 3 One of the aluminum ...

Страница 180: ... 10 and 4 o clock High initial force may be required to break the diaphragm loose Do not use tools Note Take care not to lose any shim rings positioned between the diaphragm and connecting rod as the exact number of shim rings must be used during re assembly While unscrewing the diaphragm with one hand use your other hand to secure the shim rings onto the diaphragm stud Lift the diaphragm and shim...

Страница 181: ... Place the clean headplate 010 on top of the intermediate plate using the reference mark made earlier to insure the correct orientation Tighten the four head screws snugly in a diagonal pattern and then tighten to a maximum torque of 6 7 inch lbs Turn the fan by hand to confirm that the pump turns freely 5 Replace the compressor housing cover and gasket Install the four cover screws Do not over ti...

Страница 182: ...Maintenance Pump Rebuilding 5 8 42iQD Instruction Manual Thermo Scientific Figure 5 3 Pump Rebuilding ...

Страница 183: ...cord 2 Block the SAMPLE bulkhead on the rear panel with a leak tight cap 3 Cap the filter at the end of the Perm Dryer 4 Disconnect the 1 4 inch tube which connects the pump to the converter 5 Connect the vacuum tester tool to the disconnected 1 4 inch tube going to the converter 6 Squeeze trigger until gauge reads to pull in 10 in Hg 7 Observe vacuum gauge for stable reading for 10 minutes If rea...

Страница 184: ......

Страница 185: ...on front panel do not come on and display is blank No power Verify that the power cord is plugged in power is available and that it matches the voltage and frequency configuration of the instrument Fuse is blown or missing Disconnect power and check fuses with a volt meter Bad switch or wiring connection to switch Check for 24V J9 on the Backplane board middle pins Check all wiring connections Fro...

Страница 186: ...mp diaphragm Rebuild pump head Blocked sample capillary Unplug power cord Clean or replace capillary No ozone reaching the reaction chamber Check the Configuration menu to see if the ozonator is ON If it is ON check dry air supply No output signal Disconnected or defective input or high voltage supply Unplug power cord Check that cables are connected properly Check cable resistance Analyzer not ca...

Страница 187: ...o see if line voltage is within specifications Molybdenum consumed Replace Molybdenum converter cartridge Alarm Instrument Temperature Fan failure Replace fan if not operating properly Dirty fan filter Clean or replace filter Overheating PCB Locate defective PCB reporting the error and replace if needed Alarm Bench Temperature Heaters failed Replace heaters as needed Defective PCB Replace PCB Alar...

Страница 188: ... 12 months or as needed Alarm Ozonator Flow Ozone flow low Check ozone capillary for blockage Replace as necessary Alarm NOx Concentration Concentration has exceeded range limit Check to ensure range corresponds with expected value If not select proper range Check user defined low set point set to zero Alarm Board Communication Cable connection Check that DMC cable is connected properly Reseat if ...

Страница 189: ...e DMC board as needed Alarm Chamber Pressure Defective Flow Pressure board Replace defective DMC board as needed Alarm Bench Temperature Short Cable connection Check the cable connection from the heater to the DMC board Broken wire Verify the wires are properly connected to both sides of the heater Defective heater Replace heater as needed Defective DMC board Replace defective DMC board as needed ...

Страница 190: ...fective DMC board Replace DMC board as needed Alarm PMT Voltage too Low Defective PMT Replace PMT as needed Defective DMC board Replace DMC board as needed Alarm PMT Voltage too High Defective PMT Replace PMT as needed Defective DMC board Replace DMC board as needed Alarm Frequency too Low Input board is out of calibration Recalibrate the Input board Alarm Frequency too High Input board is out of ...

Страница 191: ...ipment may be impaired CAUTION If the LCD panel breaks do not let the liquid crystal contact your skin or clothes If the liquid crystal contacts your skin or clothes wash immediately using soap and water Do not remove the LCD panel or frame from the LCD module The LCD polarizing plate is very fragile handle it carefully Do not wipe the LCD polarizing plate with a dry cloth as it may easily scratch...

Страница 192: ...ust be worn while handling any internal component For more information about appropriate safety precautions see Safety Note If an antistatic wrist strap is not available be sure to touch the instrument chassis before touching any internal components When the instrument is unplugged the chassis is not at earth ground Figure 7 1 Properly Grounded Antistatic Wrist Strap Note Ground to unpainted case ...

Страница 193: ...ash drive or company website at www thermofisher com For more information on installing new firmware see Installing New Firmware in the iQ Series Communications manual For a complete list of spare parts visit the company website at www thermofisher com 42iQD Refer to Figure 7 2 and Figure 7 3 to identify the component location Firmware Updates Replacement Parts List ...

Страница 194: ...Servicing Replacement Parts List 7 4 42iQD Instruction Manual Thermo Scientific Figure 7 2 42iQD Component Layout Top View Figure 7 3 42iQD Component Layout Side View ...

Страница 195: ... following procedure to replace the fuses 1 Turn instrument OFF and unplug the power cord 2 Remove fuse drawer located on the AC power connector 3 If either fuse is blown replace both fuses 4 Insert fuse drawer and reconnect power cord Figure 7 4 Replacing the Fuses Fuse Replacement ...

Страница 196: ...procedure to replace the filter 1 Turn instrument OFF and unplug the power cord 2 Starting with top right corner pull out to remove fan cover Figure 7 5 Start with Top Right Corner of Fan Cover 3 Replace filter and snap fan cover back in place Figure 7 6 Removing the Fan Cover Filter Replacement ...

Страница 197: ...2 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Unplug the fan cable J18 Figure 7 7 Unplugging the Fan Cable 3 Starting with top right corner pull out to remove fan cover 4 Unhook the four latches of the fan cover 5 Unfasten the four 6 32 screws from the fan housing 6 Replace fan and reassemble in reverse order Fan Replacement ...

Страница 198: ...Servicing Fan Replacement 7 8 42iQD Instruction Manual Thermo Scientific Figure 7 8 Replacing the Fan ...

Страница 199: ...rocedure to remove and replace the measurement side if necessary Equipment required Phillips drive 2 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Unplug the fan cable J18 Figure 7 9 Figure 7 9 Unplugging the Fan Cable 3 Unplug DMC cable Figure 7 10 Measurement Side Removal and Replacing ...

Страница 200: ...QD Instruction Manual Thermo Scientific Figure 7 10 Unplugging the DMC Cable 4 Gripping from the top corners of the front panel and pull outwards 5 Remove three 8 32 flat head screws Figure 7 11 Figure 7 11 Unfasten Hardware Front for Measurement Side Removal ...

Страница 201: ... Scientific 42iQD Instruction Manual 7 11 6 Swing arm open 7 Unfasten captive hardware 8 Remove two 8 32 flat head screws 9 Pull measurement side out 10 Replace and reassemble in reverse order Figure 7 12 Unfasten Hardware Rear for Measurement Side Removal ...

Страница 202: ...ule Equipment required Wrench 1 4 1 Turn instrument OFF and unplug the power cord 2 Gripping from the top corners of the front panel and pull outwards 3 Unfasten four nuts Figure 7 13 Figure 7 13 Replacing the LCD Module 4 Remove cover 5 Unplug LCD cables from backside of board 6 Pull board off the standoffs LCD Module Replacement ...

Страница 203: ...Servicing LCD Module Replacement Thermo Scientific 42iQD Instruction Manual 7 13 Figure 7 14 Remove Electrical Cables from LCD 7 Replace LCD module and reassemble in reverse order ...

Страница 204: ... Scientific Use the following procedure to replace the I O boards 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Swing arm open Figure 7 15 I O Replacement Arm 3 Pull board upwards Figure 7 16 I O Replacement Remove Board I O Replacement ...

Страница 205: ...ual 7 15 4 During install make sure to align cutout circular to keyway 5 Insert board downwards Figure 7 17 I O Replacement Install 6 Close arm Make sure expansion bracket aligns to the inside of the rectangular cutouts Figure 7 18 I O Replacement Close Arm Alignment ...

Страница 206: ...e the peripherals support board or system controller board 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Pull tab out two per board 3 Pull board out Figure 7 19 Replacing the Peripherals Support or System Controller Board 4 Replace board and reassemble in reverse order Peripherals Support Board and System Controller Board Replacement ...

Страница 207: ...d flow board Equipment required Hex drive 7 16 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Unplug cables from the pressure and flow board Figure 7 20 Flow Pressure Board Disconnect DMC Cable 3 Disconnect plumbing 4 Using 7 16 hex drive unfasten four 6 32 socket cap head screws DMC Pressure and Flow Board ...

Страница 208: ...Servicing DMC Pressure and Flow Board 7 18 42iQD Instruction Manual Thermo Scientific Figure 7 21 Flow Pressure Board Screws 5 Replace board and reassemble in reverse order ...

Страница 209: ...rument OFF unplug power cord and remove the cover Figure 2 1 2 Unplug pump cable from Step POL board J7 3 Disconnect tubing from pump 4 Unfasten two captive hardware 5 Slide pump right until keyway meets opening Figure 7 22 Remove Pump Disconnect and Unfasten 6 Pull pump outwards Note When installing pump make sure the pump keyway opening goes over the keyway Pump Replacement ...

Страница 210: ...ng Pump Replacement 7 20 42iQD Instruction Manual Thermo Scientific Figure 7 23 Pump Removal Keyway 7 Remove two screws Figure 7 24 Pump replacing Unfasten Screws 8 Replace pump and reassemble in reverse order ...

Страница 211: ...rive 2 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Unplug all electrical shown J9 J10 J24 J25 J26 and ground 3 Unfasten captive hardware 4 Slide power supply left clearing three case floor plate keyways Figure 7 25 Removing Power Supply 5 Pull power supply up 6 Replace power supply and reassemble in reverse order Power Supply Replacement ...

Страница 212: ...Servicing Power Supply Replacement 7 22 42iQD Instruction Manual Thermo Scientific Figure 7 26 Replacing Power Supply ...

Страница 213: ... Board Equipment required Torque screwdriver T15 or Slot screwdriver 3 16 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Unplug Step POL power cable J4 3 Unplug Step POL signal cable J2 4 Unplug pump cable J7 5 Unfasten captive hardware Figure 7 27 Unplug and Unfasten Step POL Board Step POL Board Replacement ...

Страница 214: ...6 Slide step board 1 upwards clearing the partition panel keyway 7 If replacing step board 1 make sure switch 1 and 2 are pointed away from ON Figure 7 29 If replacing optional step board 2 make sure switch 1 is pointed towards ON and switch 2 is pointed away from ON Figure 7 29 8 Replace Step POL board and reassemble in reverse order ...

Страница 215: ...Servicing Step POL Board Replacement Thermo Scientific 42iQD Instruction Manual 7 25 Figure 7 29 Step POL Board 1 Switch Settings Figure 7 30 Step POL Board 2 Switch Settings ...

Страница 216: ...MT Cooler and Reaction chamber PMT Replacement Use the following procedure to remove the PMT cooler from the instrument Equipment Required Phillips drive 2 1 Turn the instrument OFF unplug the power cord and remove the cover Figure 2 1 Make sure the PMT has cooled down before touching 2 Unhook plumbing by pulling loop downwards and unhook tubing 3 Using a 2 Phillips drive unfasten two 6 32 flat he...

Страница 217: ...fic 42iQD Instruction Manual 7 27 Figure 7 31 Remove PMT Cooler Shroud 5 Unplug J3 J1 and J6 fan 6 Disconnect all plumbing depending on the options Configuration plumbing connections will vary 7 Using 2 Phillips drive unfasten four captive hardware 8 Pull PMT cooler upwards ...

Страница 218: ...ace the PMT cooler board Equipment Required Phillips drive 2 1 Turn the instrument OFF unplug the power cord and remove the cover 2 Remove DMC Converter as described in PMT Cooler Shroud Removal in this chapter 3 Unplug all electrical connections from the board 4 Using a 2 Phillips drive unfasten six 6 32 pan head screws 5 Pull board outwards PMT Cooler Board Replacement ...

Страница 219: ...Servicing DMC PMT Cooler and Reaction Chamber Replacement Thermo Scientific 42iQD Instruction Manual 7 29 Figure 7 33 Remove PMT Cooler Board ...

Страница 220: ... drive 2 1 Turn the instrument OFF unplug the power cord and remove the cover 2 Remove cooler reaction chamber DMC as described in PMT Cooler Shroud Removal in this chapter 3 Unplug heater J8 from board Figure 7 34 Photo Reaction Chamber Cleaning Electrical 4 Disconnect plumbing as shown 5 Using a 9 64 inch hex drive unfasten three 8 32 socket cap head screws Reaction Chamber Cleaning and or Remov...

Страница 221: ...ge Some internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap must be worn while handling an internal component 7 To reinstall reaction chamber follow previous steps in reverse making sure to back fill the cooler with dry air or nitrogen prior to installing reaction chamber 8 Reinstall the measurement bench Refer to Figure 7 34 and Fig...

Страница 222: ...Servicing DMC PMT Cooler and Reaction Chamber Replacement 7 32 42iQD Instruction Manual Thermo Scientific Figure 7 36 Photo Reaction Chamber Cleaning Window ...

Страница 223: ... 2 1 Turn the instrument OFF unplug the power cord and remove the cover Figure 2 1 2 Unplug electrical connections PMT J7 and HVPS J4 Figure 7 37 PMT Tube Replace Elec Pt1 3 Using a flat head screwdriver wedge out of top right corner starting point labeled 1 Figure 7 38 4 Continue to wedge out the four midpoints of the plate to remove the snap on access panel labeled 2 Figure 7 39 Photomultiplier ...

Страница 224: ...vicing DMC PMT Cooler and Reaction Chamber Replacement 7 34 42iQD Instruction Manual Thermo Scientific Figure 7 38 Removing the Access Panel Starting Point 5 Pull access cover out Figure 7 39 Access Cover ...

Страница 225: ...crews Equipment Damage Do not point the photomultiplier tube at a light source This can permanently damage the tube 7 Pull the PMT and PMT base from cooler assembly by twisting it slightly back and forth 8 To install PMT follow previous steps in reverse order making sure to backfill the cooler with dry air or nitrogen prior to replacing the PMT 9 Perform a PMT calibration as described on page 3 78...

Страница 226: ...ired Phillips drive 2 1 Turn the instrument OFF unplug the power cord and remove the cover 2 Unplug DMC cables 2X 3 Disconnect all plumbing 8X Note The amount of connections will vary depending on the different options installed 4 Using a 2 Phillips drive unfasten captive hardware 4X Figure 7 41 Converter DMC Assembly Remove DMC Converter Replacement ...

Страница 227: ...ent OFF unplug the power cord and remove the cover 2 Remove DMC Converter as described in DMC Converter Replacement in this chapter 3 Unplug electrical J6 and J7 4 Using a 2 Phillips drive unfasten four 6 32 pan head screws Figure 7 42 Converter Assembly Remove bd 5 Pull converter assembly board outwards 6 Replace converter assembly board and assemble in reverse order Converter Assembly Board Repl...

Страница 228: ...2 hex head screws 4 Take apart top housing assembly and insulator to get to the heater assembly 5 Remove the converter cartridge heater assembly from the bottom housing assembly 6 Remove fitting body to allow clearance for heater to slide out 7 Loosen the heater clamp pry heater apart no wider than necessary and remove the converter cartridge noting the proper orientation of heater wires and therm...

Страница 229: ...Servicing DMC Converter Replacement Thermo Scientific 42iQD Instruction Manual 7 39 Figure 7 43 Converter Assembly Replace Heater ...

Страница 230: ...r and transformer Replacing the ozonator and transformer board Replacing the flow switch Use the following procedure to remove the ozonator and transformer Equipment Required Phillips drive 2 1 Turn the instrument OFF unplug the power cord and remove the cover Figure 2 1 2 Unplug converter DMC J2 and flow pressure board J4 Figure 7 44 HVPS Electrical DMC Ozonator Ozonator and Transformer Removal ...

Страница 231: ...ect plumbing 4 Using a 2 Phillips drive unfasten captive hardware 4X Figure 7 45 HVPS Remove Use the following procedure to replace the ozonator 1 Unplug ozonator J1 2 Disconnect plumbing 2X 3 Ozonator using a 2 Phillips drive unfasten two 6 32 pan head screws Ozonator Replacement ...

Страница 232: ...iQD Instruction Manual Thermo Scientific Figure 7 46 Replace Ozonator Use the following procedure to replace the transformer 1 Ozonator transformer using a 2 Phillips drive unfasten four 6 32 pan head screws Transformer Replacement ...

Страница 233: ...zonator and transformer board Equipment Required Phillips drive 2 1 Remove DMC Ozonator as described in DMC Ozonator in this chapter 2 Unplug all electrical from HPVS board ozonator J1 flow switch J5 converter DMC J2 and flow pressure board J4 3 Using a 2 Phillips drive unfasten four 6 32 pan head screws Ozonator and Transformer Board Replacement ...

Страница 234: ... HPVS Remove Bd Use the following procedure to replace the flow switch Equipment Required Phillips drive 2 1 Remove Ozonator as described in DMC Ozonator in this chapter 2 Unplug flow switch J5 from board 3 Pull flow switch off clip after unplugging from board Flow Switch Replacement ...

Страница 235: ...Servicing DMC Ozonator Thermo Scientific 42iQD Instruction Manual 7 45 Figure 7 49 Flow Switch Remove ...

Страница 236: ...ch 9 16 Hex drive 9 64 1 Turn the instrument OFF unplug the power cord and remove the cover Figure 2 1 2 Unplug three electrical connections J5 J6 and J8 from the Step POL board 1 Figure 7 50 Replacing the Manifold pt 1 3 Unfasten three nuts Remove the nuts front and back ferrules as shown from span zero in sample back panel Figure 7 51 Optional Manifold Replacement ...

Страница 237: ...ific 42iQD Instruction Manual 7 47 Figure 7 51 Replacing the Manifold pt 2 4 Disconnect tubing 5 Using a 9 64 hex drive unfasten four 8 32 socket cap head screws Figure 7 52 Replacing the Manifold pt 3 6 Replace the manifold and assemble in reverse order ...

Страница 238: ......

Страница 239: ...d location of the system components in the module framework including firmware electronics and I O function The 42iQD system components include Reaction Chamber DMC Optical filter Photomultiplier tube PMT Photomultiplier tube cooler Ozonator DMC Ozonator DMC board Ozone flow switch Ozonator Permeation Dryer NO2 to NO converter DMC Converter DMC board Common Electronics Power supply System Control ...

Страница 240: ...ient air sample Optical energy from the reaction is converted to an electrical signal by the PMT and sent to the input board that transmits it to the processor The thermoelectric PMT cooler reduces the PMT temperature to approximately 3 C to minimize dark current and increase instrument sensitivity The cooler helps to increase zero and span stability over a wide ambient temperature range The coole...

Страница 241: ...der to convert and detect NO2 The converter consists of an insulated housing heater replaceable cartridge and a type K thermocouple sensor The common electronics contain the core computational and power routing hardware for the 42iQD and is replicated throughout other iQ series products Figure 8 1 It also contains front panel display the USB ports the Ethernet port and the optional I O interfaces ...

Страница 242: ...System Description Common Electronics 8 4 42iQD Instruction Manual Thermo Scientific Figure 8 1 Common System Interconnect Diagram ...

Страница 243: ...System Description Common Electronics Thermo Scientific 42iQD Instruction Manual 8 5 Figure 8 2 42iQD System Interconnect Diagram ...

Страница 244: ...unication channels as described in Chapter 3 Operation The System Controller Board SCB contains the main processor power supplies and a sub processor and serves as the communication hub for the instrument The SCB receives operator inputs from the front panel GUI and or over optional I O connections on the rear panel The SCB sends commands to the other boards to control the functions of the instrum...

Страница 245: ...ontrolled off of the Step POL board from commands generated via the PSB The vacuum pump draws the reacted gases out of the reaction chamber Optional solenoid valves for switching between sample zero and span gases and other optional components The flow pressure DMC performs the pressure measurements that assure proper flow regulation and also for the sample pressure within the reaction chamber It ...

Страница 246: ...er Board SCB via internal RS 485 SNMP registers that are maintained in the software and SCB for health and data processing computation The Modbus communication system operates on 1 second intervals Within those intervals data treatment like integration whether analog or digital and servo control are embedded in the module firmware The SCB receives the 1 second updates for higher level software pro...

Страница 247: ...is available with the following options Several components are available for connecting external devices These connection options consist of three plug in boards Communication Board Analog I O Board Digital I O Board Figure 9 1 I O Expansion Replacement Boards Connecting External Devices ...

Страница 248: ...ses a 9 pin serial connector with a bi directional serial interface that can be configured for either RS 232 or RS 485 communication Figure 9 2 RS 232 RS 485 Port Table 9 1 RS 232 RS 485 Port Terminal Assignment Terminal Number Signal Name 1 No Connect 2 RX RS485_RX_P 3 TX RS485_TX_N 4 No Connect 5 GND 6 No Connect 7 RTS RS485_TX_P 8 CTS RS485_RX_N 9 No Connect Communication Board RS 232 RS 485 Po...

Страница 249: ...rt devices Figure 9 3 RS 485 External Accessory Port Table 9 2 RS 485 External Accessory Port Terminal Assignment Terminal Number Signal Name 1 EXT_RS485_RX_N 2 EXT_RS485_RX_P 3 5V Fused 0 4A 4 5V Fused 0 4A 5 5V Fused 0 4A 6 GND 7 GND 8 GND 9 EXT_RS485_TX_N 10 EXT_RS485_TX_P 11 24V Fused 0 4A 12 24V Fused 0 4A 13 24V Fused 0 4A 14 24V Fused 0 4A 15 24V Fused 0 4A RS 485 External Accessory Port ...

Страница 250: ...nges 0 1 0 V 0 5 0 V 0 10 V 6 Isolated Analog Current Outputs Two Ranges 0mA 20mA 4mA 20mA Table 9 3 lists the analog voltage inputs are used to monitor four external 0 10V signals Figure 9 4 Analog Voltage Inputs Table 9 3 Analog Voltage Inputs Assignment Terminal Number Signal Name 1 Analog In 1 2 Analog GND 3 Analog In 2 4 Analog GND 5 Analog In 3 6 Analog GND 7 Analog In 4 8 Analog GND Analog ...

Страница 251: ...d through the software control registers to select Voltage Output ranges 0 1 V 0 5 V or 0 10 V as well as Current Output ranges 0 20 mA or 4 20 mA The maximum allowable load for each Current Output is 1000 Ω All Voltage Outputs and Current Outputs are continuously monitored separately for accuracy The Analog Outputs may be used to control and report parameters pertinent to the analyzers measured f...

Страница 252: ... 6 18 C V Return 6 The iQ series instruments provide for the ability to calibrate the analog outputs both voltage and current of the instruments The basic procedure for both voltage and current are the same using the following procedure Complete the connections of the recording device to the desired analog output channel See page 9 5 for the channel information Calibrate the output channel low lev...

Страница 253: ...tion follow the same procedure by selecting the 4 mA current calibration option Note This adjustment should only be performed by an instrument service technician 1 From the Home screen choose Settings Communications Analog I O Analog Out Calibration 2 Depending on the output type being used select either Analog Out Zero Calibration Voltage or Analog Out 4 000 mA Calibration Current 3 A confirmatio...

Страница 254: ...rease Decreases the output by coarse medium or fine amounts Increase Increase and Increase Increases the output by coarse medium or fine amounts Commit Accepts the changes to the analog output levels 5 For the desired analog output channel increase or decrease the output until the reading on the recording device indicates the proper value 6 After making changes to the output levels the commit butt...

Страница 255: ... follow the same procedure by selecting the 20 mA current calibration option Note This adjustment should only be performed by an instrument service technician 1 From the Home screen choose Settings Communications Analog I O Analog Output Calibration 2 Depending on the output type being used select either Analog Out Full Scale Calibration Voltage or Analog Out 20 000 mA Calibration Current 3 A conf...

Страница 256: ...ease Decrease and Decrease Decreases the output by coarse medium or fine amounts Increase Increase and Increase Increases the output by coarse medium or fine amounts Commit Accepts the changes to the analog output levels 5 For the desired analog output channel increase or decrease the output until the reading on the recording device indicates the proper value 6 After making changes to the output l...

Страница 257: ...al Relay Switches 20 pin connector 8 Valve Driver Outputs 16 pin connector The digital inputs are TTL 3 V or 5 V compatible and are pulled high within the instrument The active state can be user defined in firmware Logic Low Threshold 0 8 V Logic High Threshold 2 0 V Absolute allowable input voltages 0 5 to 5 5 V Figure 9 6 Digital Inputs Digital I O Board Digital Inputs ...

Страница 258: ...ts Terminal Assignment Terminal Number Signal Name COMMON 1 Digital In 1 2 Digital In 2 3 Digital In 3 4 Digital In 4 5 Digital In 5 6 Digital In 6 7 Digital In 7 8 Digital In 8 9 Digital In 9 10 Digital In 10 11 Digital In 11 12 Digital In 12 13 Digital In 13 14 Digital In 14 15 Digital In 15 16 Digital In 16 COMMON ...

Страница 259: ...ing External Devices Thermo Scientific 42iQD Instruction Manual 9 13 Table 9 6 lists the digital relay switches Maximum Voltage 300 VDC Maximum Current 500 mA Fuse 800 mA Figure 9 7 Digital Relay Switches Digital Relay Switches ...

Страница 260: ...6 Digital Relay Switch Assignment Terminal Number Signal Name 1A Relay 1A 1B Relay 1B 2A Relay 2A 2B Relay 2B 3A Relay 3A 3B Relay 3B 4A Relay 4A 4B Relay 4B 5A Relay 5A 5B Relay 5B 6A Relay 6A 6B Relay 6B 7A Relay 7A 7B Relay 7B 8A Relay 8A 8B Relay 8B 9A Relay 9A 9B Relay 9B 10A Relay 10A 10B Relay 10B ...

Страница 261: ...Instruction Manual 9 15 Table 9 7 lists the valve driver outputs Actual Output Voltage 22 24 VDC Maximum Current 300 mA Both positive and negative outputs are protected from over voltage and over current by 500 mA fuses Figure 9 8 Valve Driver Outputs Valve Driver Outputs ...

Страница 262: ...l Name 1 Valve Drive 1 1 Valve Drive 1 2 Valve Drive 2 2 Valve Drive 2 3 Valve Drive 3 3 Valve Drive 3 4 Valve Drive 4 4 Valve Drive 4 5 Valve Drive 5 5 Valve Drive 5 6 Valve Drive 6 6 Valve Drive 6 7 Valve Drive 7 7 Valve Drive 7 8 Valve Drive 8 8 Valve Drive 8 Note Intended for 24 V valves These outputs will also drive any DC load of 22 24 VDC up to 300 mA ...

Страница 263: ...urce of zero air is connected to the ZERO IN port as shown in Figure 9 9 Zero in and span gas should be supplied at atmospheric pressure It may be necessary to use an atmospheric dump bypass plumbing arrangement to accomplish this For more information refer to the Installation and Setup chapter and the Operation chapter Figure 9 9 Flow Diagram Zero Span Option Internal Zero Span and Sample Valves ...

Страница 264: ...ld be installed just prior to the SAMPLE bulkhead When using a filter all calibrations and span checks must be performed through the filter The ozone particulate filter minimizes the potential for contamination of the capillary and reaction chamber by trapping any particulate matter before passing through the capillary and reaction chamber PTFE Particulate Filter Ozone Particulate Filter ...

Страница 265: ...ious personal injury if the warning is ignored A hazard is present or an unsafe practice can result in serious personal injury if the warning is ignored The hazard or unsafe practice could result in minor to moderate personal injury if the warning is ignored Equipment Damage The hazard or unsafe practice could result in property damage if the warning is ignored Safety and Equipment Damage Alerts i...

Страница 266: ...arts may be new or refurbished at the election of Seller All replaced parts shall become the property of Seller Shipment to Buyer of repaired or replacement Products shall be made in accordance with the Delivery provisions of the Seller s Terms and Conditions of Sale Consumables including but not limited to lamps fuses batteries bulbs and other such expendable items are expressly excluded from the...

Страница 267: ...R S PRIOR WRITTEN APPROVAL OR ANY USE OF REPLACEMENT PARTS NOT SUPPLIED BY SELLER SHALL IMMEDIATELY VOID AND CANCEL ALL WARRANTIES WITH RESPECT TO THE AFFECTED PRODUCTS THE OBLIGATIONS CREATED BY THIS WARRANTY STATEMENT TO REPAIR OR REPLACE A DEFECTIVE PRODUCT SHALL BE THE SOLE REMEDY OF BUYER IN THE EVENT OF A DEFECTIVE PRODUCT EXCEPT AS EXPRESSLY PROVIDED IN THIS WARRANTY STATEMENT SELLER DISCLA...

Страница 268: ...hermo Fisher Scientific s compliance with these Directives the recyclers in your country and information on Thermo Fisher Scientific products which may assist the detection of substances subject to the RoHS Directive are available at www thermoscientific com WEEERoHS The following symbol and description identify the WEEE marking used on the instrument and in the associated documentation Symbol Des...

Страница 269: ...nel and Touchscreen Display 2 8 Figure 4 1 GPT System 4 4 Figure 4 2 Permeation Tube System 4 14 Figure 5 1 Inspecting and Replacing the Capillaries 5 3 Figure 5 2 Pump 5 5 Figure 5 3 Pump Rebuilding 5 8 Figure 7 1 Properly Grounded Antistatic Wrist Strap 7 2 Figure 7 2 42iQD Component Layout Top View 7 4 Figure 7 3 42iQD Component Layout Side View 7 4 Figure 7 4 Replacing the Fuses 7 5 Figure 7 5...

Страница 270: ...ings 7 25 Figure 7 30 Step POL Board 2 Switch Settings 7 25 Figure 7 31 Remove PMT Cooler Shroud 7 27 Figure 7 32 Remove PMT Cooler 7 28 Figure 7 33 Remove PMT Cooler Board 7 29 Figure 7 34 Photo Reaction Chamber Cleaning Electrical 7 30 Figure 7 35 Photo Reaction Chamber Cleaning Hardware 7 31 Figure 7 36 Photo Reaction Chamber Cleaning Window 7 32 Figure 7 37 PMT Tube Replace Elec Pt1 7 33 Figur...

Страница 271: ...lay Switches 9 13 Figure 9 8 Valve Driver Outputs 9 15 Figure 9 9 Flow Diagram Zero Span Option 9 17 Table 1 1 42iQD Specifications 1 5 Table 4 1 Scrubbing Materials 4 3 Table 6 1 42iQD Troubleshooting Guide 6 1 Table 9 1 RS 232 RS 485 Port Terminal Assignment 9 2 Table 9 2 RS 485 External Accessory Port Terminal Assignment 9 3 Table 9 3 Analog Voltage Inputs Assignment 9 4 Table 9 4 Analog Voltag...

Страница 272: ......

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