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Servicing

Optional DMC Oxygen Sensor

Thermo Scientific

42iQLS Instruction Manual

7-53

Use the following procedure to remove the oxygen sensor from the
instrument case. It is easier to do the following by removing the oxygen
sensor first then remove and replace the following as necessary:

●

Oxygen Sensor removal

●

Oxygen Sensor board replacement

●

Oxygen Sensor capillary replacement

●

Oxygen Sensor replacement

Use the following procedure to remove and replace the oxygen sensor.

Equipment required:

Phillips drive, #2

1.

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

Figure 2–1

).

2.

Unplug DMC cable to oxygen sensor board DMC (J4).

3.

Disconnect plumbing.

4.

Using a #2 Phillips drive, unfasten captive hardware.

Optional DMC

Oxygen Sensor

Oxygen Sensor

Removal

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Summary of Contents for 42iQLS

Page 1: ...42iQLS Instruction Manual Low Source NO NO2 NOx Analyzer 117436 00 1Sep2019 ...

Page 2: ......

Page 3: ...d Keypads 3 5 Numeric Keypad 3 6 Alphanumeric Keypad 3 7 Calibration 3 9 Calibrate Backgrounds 3 10 Calibrate NO and NOx Background 3 11 Calibrate Span Coefficients 3 13 Calibrate NO NO2 and NOx Span Coefficient 3 15 Zero Span Schedule 3 18 Calibrate O2 Span Coefficient 3 20 Advanced Calibration 3 21 Manual Calibration 3 22 Manual O2 Calibration 3 30 2 Point O2 Calibration 3 32 Calibration History...

Page 4: ...Units 3 91 Advanced Measurement Settings 3 92 Communications 3 102 Wired TCP DHCP 3 104 Serial RS 232 485 3 106 Analog I O 3 107 Digital I O 3 108 Email Server SMTP 3 109 Bayern Hessen Settings 3 110 Instrument Settings 3 112 Instrument Setpoints 3 114 Alarm Setpoints 3 115 Display Setup 3 117 Clock 3 118 Time Zone 3 122 Configuration 3 126 Security Access Levels 3 127 Change Security to View Only...

Page 5: ...e Analyzer 4 10 Adjust Instrument Gain 4 10 Set NO and NOx Backgrounds to Zero 4 10 Calibrate the NO Channel to the NO Calibration Gas 4 12 Calibrate the NOx Channel to the NOx Calibration Gas 4 12 Preparing NO NOx and NO2 Calibration Curves 4 13 Alternative Calibration Procedure Using NO2 Permeation Tube 4 15 Calibration in Dual Range and Auto Range Mode 4 16 Set NO and NOx Background to Zero 4 1...

Page 6: ...surement Side Removal and Replacing 7 9 LCD Module Replacement 7 12 I O Replacement 7 14 Peripherals Support Board and System Controller Board Replacement 7 16 DMC Pressure and Flow Board 7 17 Pump Replacement 7 19 Power Supply Replacement 7 23 Step POL Board Replacement 7 25 DMC PMT Cooler and Reaction Chamber Replacement 7 28 PMT Cooler Shroud Removal 7 28 PMT Cooler Board Replacement 7 30 React...

Page 7: ...iplier Tube Cooler 8 2 Ozonator 8 2 Ozonator Flow Switch 8 2 Ozonator Permeation Dryer 8 3 NO2 to NO Converter 8 3 Common Electronics 8 3 Power Supply 8 6 Front Panel 8 6 I O and Communication Components 8 6 System Controller Board 8 6 Backplane Board 8 6 Peripherals Support System 8 7 Fan 8 7 Step POL Board 8 7 Sample Pump 8 7 Mode Solenoid 8 7 Solenoid Valve Panel 8 7 Flow Pressure DMC 8 7 Firmw...

Page 8: ...ero Span and Sample Valves 9 17 Internal Oxygen O2 Sensor 9 18 NO2 to NO Converter 9 19 PTFE Particulate Filter 9 19 Ozone Particulate Filter 9 19 Safety Warranty and WEEE A 1 Safety A 1 Safety and Equipment Damage Alerts A 1 Warranty A 2 WEEE Compliance A 4 WEEE Symbol A 4 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 Li...

Page 9: ...ributed 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 s world class ...

Page 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 42iQLS Front ...

Page 11: ... to NO converter and then to the reaction chamber NOx mode The reaction chamber pressure is measured to infer the sample flow Pressure deviations outside of the acceptable range are reported as a fault Dry air enters the 42iQLS through the permeation dryer passes through a flow switch and then through a silent discharge ozonator The ozonator generates the ozone needed for the chemiluminescent reac...

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

Page 13: ... sec 60 second averaging time 305 sec 300 second averaging time Linearity 1 full scale Flow Rate 100 cc min measured at atmospheric pressure 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 O...

Page 14: ...V SUD Safety Table 1 2 42iQLS Optional Internal Oxygen Sensor Specifications Technology Paramagnetic Range 0 100 O2 Accuracy Intrinsic error 0 1 O2 Linearity 0 1 O2 Repeatability 0 1 O2 Zero Drift 0 2 O2 per month excludes up to 0 1 O2 in the first 24 hours of operation Response Time T10 T90 2 5 seconds Weight Approximately 2 lbs in addition to standard instrument ...

Page 15: ...Introduction Dimensions Thermo Scientific 42iQLS Instruction Manual 1 7 Figure 1 4 Bench Mount Assembly dimensions in inches mm Dimensions ...

Page 16: ...Introduction Dimensions 1 8 42iQLS Instruction Manual Thermo Scientific Figure 1 5 Rack Mount Assembly dimensions in inches mm ...

Page 17: ...Introduction Dimensions Thermo Scientific 42iQLS Instruction Manual 1 9 Figure 1 6 Rack Mount Requirements Figure 1 7 Rack Requirements Part 2 ...

Page 18: ......

Page 19: ...ing 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 ...

Page 20: ...e 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 ...

Page 21: ...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 4 Fasten feet in position 1 or 2 to fit to the desired depth Figure 2 2 Installing Feet Mounting Options Bench Mount ...

Page 22: ...s 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 ...

Page 23: ...Installation and Setup Mounting Options Thermo Scientific 42iQLS Instruction Manual 2 5 Figure 2 4 Installing Ears and Handles ...

Page 24: ...nstrument 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 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 restriction in thi...

Page 25: ...o Scientific 42iQLS Instruction Manual 2 7 The 42iQLS is supplied with a three wire grounding cord Under no circumstances should this grounding system be defeated Figure 2 5 42iQLS Rear Panel Figure 2 6 Atmospheric Dump Bypass Plumbing Icon Here ...

Page 26: ...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...

Page 27: ...ace 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 name s concentration value s and unit s The Status Bar located at the bottom includes the Back button Access Levels Health Che...

Page 28: ...Operation Instrument Display 3 2 42iQLS Instruction Manual Thermo Scientific Home Screen dual or auto range mode Title Bar User Interface Status Bar ...

Page 29: ... 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 NO NO2 and NOx concentrations 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...

Page 30: ...Operation Instrument Display 3 4 42iQLS Instruction Manual Thermo Scientific Thermo Scientific Information button Shows contact information ...

Page 31: ... O2 Calibration Optional Calibration History Zero Span Schedule Health Check Status 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 Auto Manual Mode Extended Ranges Compensation Pressure Calibration In...

Page 32: ...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 ...

Page 33: ...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 ...

Page 34: ...Operation Instrument Display 3 8 42iQLS Instruction Manual Thermo Scientific ...

Page 35: ...ing information Calibrate Backgrounds Sets the NO and NOx reading to zero Calibrate Span Coefficients Sets the NO NO2 and NOx span coefficients Zero Span Schedule Programs the instrument to perform fully automated zero and span checks or adjustments Calibrate O2 Span Coefficient When the O2 Sensor option is turned on in the Settings Configuration screen this button will appear It allows an O2 cali...

Page 36: ...sed to calibrate the instrument zero background of NO and NOx Home Screen Calibration Calibrate Backgrounds The Calibrate Backgrounds screen contains the following information Calibrate NO Background Sets the NO background to zero Calibrate NOx Background Sets the NOx background to zero Calibrate Backgrounds ...

Page 37: ...recision allow the instrument to stabilize each time input gas is changed and set the averaging time to 300 second averaging Home Screen Calibration Calibrate NO Background Home Screen Calibration Calibrate NOx Background The Calibrate Background screen contains the following information Target NO Concentration Read only Displays what the NO concentration value will become when the calibrate butto...

Page 38: ...ncentration 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 Displays what the current user set NOx background is Calculated NOx Background Read only Displays what the current user set NOx background will become when the calibrate b...

Page 39: ...ange be 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 85 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...

Page 40: ...range mode Calibrate NO2 Span Coefficient Sets the NO2 span coefficient when in single range mode Calibrate High Range NO2 Span Coefficient Sets the high range NO2 span coefficient when in dual or auto range mode Calibrate Low Range NO2 Span Coefficient Sets the low range NO2 span coefficient when in dual or auto range mode Calibrate NOx Span Coefficient Sets the NOx span coefficient when in singl...

Page 41: ...eens are shown in single range mode and dual or auto range mode In dual or auto range modes High or Low is displayed to indicate 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 ...

Page 42: ...ual or auto range mode Current Low Range NO Concentration Read only Current low range NO concentration reading when in dual or auto range mode Current NO Span Coefficient Read only Displays the current user set NO span coefficient when in single range mode Current High Range NO Coefficient Read only Displays the current user set high range NO span coefficient when in dual or auto range mode Curren...

Page 43: ...7 Calculated Low Range NO Span Coefficient Read only After the Edit Span Concentration value is entered the new calculated low range NO span coefficient is displayed Calibrate When pressed updates the coefficient and the concentration should match the span concentration ...

Page 44: ...mation Zero Span Schedule Toggles zero span 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 sp...

Page 45: ...runs a background check only and background 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 t...

Page 46: ...e averaging time to 300 second averaging The O2 Averaging Time is located at Settings Measurement Settings Averaging Time Home Screen Calibration Calibrate O2 Span Coefficient single range mode The Calibrate O2 Span Coefficients screen contains the following information Edit O2 Span Concentration User enters the O2 span concentration Current O2 Concentration Read only Current O2 concentration read...

Page 47: ...reen Calibration Advanced Calibration The Advanced screen contains the following information Manual Calibration The user manually adjusts the background or span coefficient Manual O2 Calibration The user manually adjusts the O2 span coefficient based on the current O2 concentration value 2 Point O2 Calibration The user manually performs a 2 point calibration of the O2 sensor Calibration History Li...

Page 48: ... on how to run a Manual Calibration Home Screen Calibration Advanced Calibration Manual Calibration The Manual Calibration screen contains the following information Adjust Backgrounds Allows the user to manually adjust the zero backgrounds Adjust Span Coefficients Allows the user to manually adjust the span coefficients Reset Bkgs to 0 000 and Span Coef to 1 000 Resets all backgrounds and coeffici...

Page 49: ...ust the NO and NOx zero background Home Screen Calibration Advanced Calibration Manual Calibration Adjust Backgrounds The Adjust Backgrounds screen contains the following information Adjust NO Background User manually adjusts zero NO background Adjust NOx Background User manually adjusts zero NOx background Adjust Backgrounds ...

Page 50: ...low the 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 Backgrounds Adjust NO Background Home Screen Calibration Advanced Calibration Manual Calibration Adjust Backgrounds Adjust NOx Background The Adjust NO and NOx Background screens contain the following information Ad...

Page 51: ...NO concentration Adjust NOx Background User manually adjusts zero NOx background Adjusted NOx Concentration Read only Displays what the NOx concentration value will become when the calibrate button is pressed Current NOx Concentration Read only Displays the current NOx concentration Calibrate When pressed updates the background ...

Page 52: ...fficient and Adjust Low Span Coefficient screens function the same way as the single range Adjust Span Coefficient screen Home Screen Calibration Advanced Calibration Manual Calibration Adjust Span Coefficients single range mode Home Screen Calibration Advanced Calibration Manual Calibration Adjust Span Coefficients dual or auto range mode The Adjust Span Coefficients screen contains the following...

Page 53: ...Coefficient Adjusts the NO2 high range coefficient when in dual or auto range mode Calibrate NO2 Low Range Coefficient Adjusts the NO2 low range coefficient when in dual or auto range mode Calibrate NOx Coefficient Adjusts the NOx coefficient when in single range mode Calibrate NOx High Range Coefficient Adjusts the NOx high range coefficient when in dual or auto range mode Calibrate NOx Low Range...

Page 54: ...to range mode In dual or auto range modes High Range or Low Range is displayed to indicate the calibration of the high or low coefficient The Adjust High Range NO Span Coefficient and Adjust Low Range NO 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...

Page 55: ...manually adjusts the high range NO span coefficient when in dual or auto range mode Adjusted High Range NO Concentration Read only Shows adjusted high range NO concentration based on adjusted high range NO span coefficient when in dual or auto range mode Current High Range NO Concentration Read only Shows current high range NO concentration when in dual or auto range mode Adjust Low Range NO Span ...

Page 56: ...ntration This button appears if the O2 Sensor option is selected in the Configuration screen Home Screen Calibration Advanced Calibration Manual Calibration single range mode The Manual O2 Calibration screen contains the following information Adjust O2 Span Coefficient Allows the user to manually adjust the O2 span coefficient Reset O2 Coefficient to 1 000 Resets coefficient Manual O2 Calibration ...

Page 57: ...nual Calibration Adjust O2 Span Coefficient The Adjust O2 Span Coefficient menu contains the following information Adjust O2 Span Coefficient User manually adjusts span coefficient Adjusted Concentration Read only Shows adjusted O2 concentration based on adjusted O2 span coefficient Calibrate Calibrates span coefficient by saving the newly adjusted O2 span coefficient Adjust O2 Span Coefficient ...

Page 58: ...n appears if the O2 Sensor option is selected in the Configuration screen Home Screen Calibration Advanced Calibration 2 Point O2 Calibration Home Screen Calibration Advanced Calibration 2 Point O2 Calibration Continue to 2 Point O2 Calibration The 2 Point O2 Calibration screen contains the following information 2 Point O2 Calibration Point 1 First cal point used in the 2 point O2 calibration Defa...

Page 59: ... well Home Screen Calibration Advanced Calibration 2 Point O2 Calibration Continue to 2 Point O2 Calibration Point 1 The Point 1 screen contains the following information Edit O2 Span Concentration User enters O2 span concentration Current O2 Concentration Read only After selecting the value on the Edit O2 Concentration button and after pressing the Calibrate O2 button the Point 1 Concentration va...

Page 60: ... 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...

Page 61: ...following 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 p...

Page 62: ... 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 H...

Page 63: ...and 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 Lo...

Page 64: ...d 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 Da...

Page 65: ...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 ...

Page 66: ...up 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 ...

Page 67: ...variables 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 Era...

Page 68: ...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 Data Logging Setup Select Data Logging Variable...

Page 69: ...etup The Streaming 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 on off When on shows variable labels to the left of the variable values Show Timestamp Toggles on off When on shows timestamp at the beginning of each row of data Streaming Data Setup ...

Page 70: ...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...

Page 71: ...tact 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 prot...

Page 72: ...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...

Page 73: ...s Instrument Settings screen Note This symbol denotes there is an 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 Disp...

Page 74: ...ure Displays flow and pressure alarms and faults Peripherals Support Displays peripherals support alarms and faults 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 ...

Page 75: ...e Screen Settings Health Check Status and Alarms Concentration The Concentration screen contains the following information Across Concentration This column lists items associated with the NO NO2 NOx concentrations 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 Span Conc Span concentration used in ...

Page 76: ... background check offset NO Span Check Offset Displays NO concentration based on the last attempted span calibration High alarm shows user defined limit for acceptable span check offset compared to the span concentration value Span concentration shows span setpoint NOx Span Check Offset Displays NOx concentration based on the last attempted span calibration High alarm shows user defined limit for ...

Page 77: ...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...

Page 78: ...ler 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 ...

Page 79: ...Manual 3 53 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 ...

Page 80: ...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...

Page 81: ...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 ...

Page 82: ... 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...

Page 83: ... 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 ...

Page 84: ...n lists items associated with the O2 sensor 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 Concentration Displays the current O2 sensor concentration reading User can adjust low and high alarm limits Temperature Displays the current temperature reading Tempe...

Page 85: ...ication Displays OK Fail for board communication status Power Supply Displays OK Fail of power supplies Power supply goes red 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...

Page 86: ...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...

Page 87: ...d 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 chan...

Page 88: ...ns the following information Across 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 ...

Page 89: ...d 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 chan...

Page 90: ...at 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 NO NOx Valve Reset Resets NO NOx valve Pump Reset Resets pump Valve an...

Page 91: ... 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 ...

Page 92: ...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 ...

Page 93: ...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...

Page 94: ...goes 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 ...

Page 95: ...tus and Alarms More Serial Numbers More The 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 O2 Sensor Board O2 sensor board serial number O2 Sensor O2 sensor serial number Flow and Pressure Flow and pressure serial number Peripherals...

Page 96: ...Operation Settings 3 70 42iQLS Instruction Manual Thermo Scientific Analog I O Analog I O serial number Digital I O Digital I O serial number ...

Page 97: ...is 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...

Page 98: ...s Health 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...

Page 99: ...nance 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 su...

Page 100: ...bly NH3 Scrubber Service interval for NH3 scrubber Permeation Dryer Service interval for 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 C...

Page 101: ...ve 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...

Page 102: ...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 ...

Page 103: ...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...

Page 104: ...ings 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 scree...

Page 105: ...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...

Page 106: ...and 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 v...

Page 107: ...NO2 and 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 85 Range Setting Defines the concentration range for the analog outputs Gas Mode User can manually choose sample zero or span mode Gas Units Defines how the NO NO2 and NOx concentration readings are expressed Dilution Ratio...

Page 108: ...ds for 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 ty...

Page 109: ...ngle range mode 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 o...

Page 110: ...ation Settings 3 84 42iQLS Instruction Manual Thermo Scientific O2 Averaging Time Sets high averaging time when in dual or auto range mode and when dynamic filtering is disabled and the O2 sensor is enabled ...

Page 111: ... For example the low NO analog output can be set to output concentrations from 0 to 200 ppb and the high NO 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 on...

Page 112: ...put is at half of full scale When the high range is active the NOx concentration 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 ex...

Page 113: ...e the words 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 85 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 ...

Page 114: ...ge NO2 Setting Sets the low range NO2 concentration range for the analog output when in dual or auto range mode NOx Range Setting Sets the NOx concentration range for the analog outputs when in single range mode High Range NOx Setting Sets the high range NOx concentration range for the analog output when in dual or auto range mode Low Range NOx Setting Sets the low range NOx concentration range fo...

Page 115: ...Operation Settings Thermo Scientific 42iQLS Instruction Manual 3 89 μg m3 2000 750000 μg m3 mg m3 2 0 750 mg m3 g m3 0 002 0 750 g m3 ...

Page 116: ...ettings 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 ...

Page 117: ...using 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...

Page 118: ...ngs The Advanced Measurements Settings screen contains the following information Reaction Chamber Settings User can calibrate Input board and PMT Auto Manual Mode User can choose to measure single gas or switching mode Extended Ranges Enables disables extended ranges feature Compensation Allows the user to compensate for changes in temperature and pressure concentration and O2 if enabled Pressure ...

Page 119: ...n 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 freque...

Page 120: ...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...

Page 121: ...r 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...

Page 122: ...de screen is used to display single gases or multiple gases switching mode Use the and buttons to select Home Screen Settings Measurement Settings Advanced Measurement Settings Auto Manual Mode The Auto Manual Mode screen contains the following information NO NOx NO NOx Auto Manual Mode ...

Page 123: ...al 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 The effects of bench pressure changes o...

Page 124: ...only the non corrected values 2 9 20 2 9 20 2 O O C O C meas corr corr comp Abbreviations C is the measured concentration O2corr is the oxygen concentration that C is corrected to this value is set by the user in the Source O2 Concentration Setpoint screen and defaults to 15 O2meas is the measured O2 concentration which is clamped at 20 8 to prevent divide by zero errors Ccomp is the corrected con...

Page 125: ...when in single range mode Corrected NOx Concentration Read only Displays the corrected NOx concentration when in single range mode Corrected High Range NO Concentration Read only Displays the corrected high range NO concentration when in dual or auto range mode Corrected High Range NO2 Concentration Read only Displays the corrected high range NO2 concentration when in dual or auto range mode Corre...

Page 126: ...Operation Settings 3 100 42iQLS Instruction Manual Thermo Scientific Corrected Low Range NOx Concentration Read only Displays the corrected low range NOx concentration when in dual or auto range mode ...

Page 127: ...nsor 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 Sens...

Page 128: ...nstrument 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 Instrument ID Allows the user to edit the instrument identification number ID...

Page 129: ...Operation Settings Thermo Scientific 42iQLS Instruction Manual 3 103 Note Refer to the Bayern Hessen Protocol section in the Communications Manual for a detailed description ...

Page 130: ... 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 Dyna...

Page 131: ... 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 ...

Page 132: ...me 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 a...

Page 133: ...n 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 ...

Page 134: ...n 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 ...

Page 135: ... 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 ...

Page 136: ... registers that will be read with a valid data query DA command Home Screen Settings Communications Bayern Hessen Settings The Bayern Hessen Settings screen contains the following information Register 1 8 Sets the measured value logged in the respective register location in response to a valid query DA command Bayern Hessen Settings ...

Page 137: ...ers corresponding to each measured value appearing after the register name in the selection will preface the measured value in the response to the DA command Use the and buttons to scroll through the registers Select the variable to log by pressing the corresponding cell The list is based on the instrument s configuration Home Screen Settings Communications Bayern Hessen Settings Register 1 8 Regi...

Page 138: ...llowing information Titlebar Setup User chooses what concentration reading to display on the titlebar 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 d...

Page 139: ...peration Settings Thermo Scientific 42iQLS Instruction Manual 3 113 Clock Sets date and time Language Sets language Pump Power Manually enables disables the pump Reboot Instrument Reboots the instrument ...

Page 140: ...d down and the and buttons to move left and right Home Screen Settings Instrument Settings Instrument Setpoints The Instrument Setpoints screen contains the following information Across Variable Lists the items that have settable setpoints Setpoint User sets setpoint for item Units Units for each item not settable Down NO2 Converter Temperature NO2 converter temperature setpoint Instrument Setpoin...

Page 141: ...Alarms screen See Status and Alarms on page 3 47 Use the and buttons to move up and down and the and buttons to move left and right 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 Value Displays the current value for each item Low Alarm User sets low alarm for item...

Page 142: ...larm only NO Span Check Offset User can set the maximum allowable span reading offset for calibration and calibration checks This is set with the high alarm only NOx Span Check Offset User can set the maximum allowable span reading offset for calibration and calibration checks This is set with the high alarm only Instrument Temperature Instrument temperature alarm Chamber Pressure Bench pressure a...

Page 143: ...er 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 ...

Page 144: ...ime 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 ...

Page 145: ...Thermo Scientific 42iQLS Instruction Manual 3 119 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 ...

Page 146: ... 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 ...

Page 147: ...al 3 121 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 ...

Page 148: ...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 ...

Page 149: ...al 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 ...

Page 150: ...riodic 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 ...

Page 151: ...QLS Instruction Manual 3 125 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 ...

Page 152: ...figuration screen contains the following information Converter Molybdenum Select if molybdenum converter is used Converter Stainless Steel Select if stainless steel converter is used Zero Span Assembly Enables zero span valves Oxygen Sensor Enables O2 sensor option NH3 Scrubber Removes NH3 from sample Communications Board Enables RS 232 or RS 485 communication board Predictive Diagnostics Enables ...

Page 153: ...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 Password...

Page 154: ...Operation Settings 3 128 42iQLS Instruction Manual Thermo Scientific Change Full Access Security Password Full access password can have a blank value or user selected password ...

Page 155: ...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...

Page 156: ...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 ...

Page 157: ...ent 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 passwo...

Page 158: ...B drive is inserted into the 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...

Page 159: ...e 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 ...

Page 160: ...Includes 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 Configuratio...

Page 161: ...g the USB connection 1 Plug a 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 ...

Page 162: ... 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 se...

Page 163: ... Manual 3 137 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 ...

Page 164: ...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 ...

Page 165: ...ils 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 C...

Page 166: ...uns 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...

Page 167: ...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...

Page 168: ...ed 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 ...

Page 169: ...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 ...

Page 170: ...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...

Page 171: ... 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 co...

Page 172: ... 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 rem...

Page 173: ...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...

Page 174: ...k 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 Als...

Page 175: ...e titrator and zero in gas generator described previously 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 inst...

Page 176: ...egulator 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 the instru...

Page 177: ...er The 42iQLS requires approximately 100 cc min of sample flow and a total GPT airflow of at least 0 5 liters min is recommended a Allow the analyzer to sample zero air until the NO NOx and NO2 responses stabilize b After the responses have stabilized from the Home Screen choose Calibration Calibrate Backgrounds Calibrate NO Background The Target NO Concentration button will read 0 000 The Calcula...

Page 178: ... Pressing the Calibrate button will save the new NO span coefficient and calibrate the instrument 3 Enter the NO calibration gas concentration using the pushbuttons and then press Calibrate to calibrate the instrument to the NO calibration gas 4 Record the NO OUT concentration and the instrument s response Use the following procedure to calibrate the NOx channel to the NOx calibration gas 1 Press ...

Page 179: ...e several additional NO and NOx concentrations by decreasing FNO or increasing FD 2 For each concentration generated calculate the exact NO and NOx concentrations using the above equations for NO OUT and NOx OUT 3 Record the NO and NOx responses 4 Plot the analyzer responses versus the respective calculated NO and NOx concentrations and draw or calculate the respective calibration curves For subse...

Page 180: ...gas concentration using the pushbuttons and then press Calibrate to concentration to reflect the sum of the following the NO2 concentration generated by GPT NO ORIG NO REM and any NO2 impurity The exact NOx concentration is calculated from F F F NO x F NO NO NO D O NO IMP 2 NO REM ORIG OUT 2 Where NO2 OUT diluted NO2 concentration at the output manifold ppm NO ORIG original NO concentration prior ...

Page 181: ...uld be reduced using this NO2 calibration curve response Note The user can also manually change the calibration factors This is often useful in a troubleshooting situation From the Home screen choose Calibration Advanced Calibration Manual Calibration Adjust Span Coefficients However after the above calibration procedure is completed all subsequent data reduction depends on the calibration paramet...

Page 182: ...0 apart however if this is done to correct for 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 NO and NOx backgrounds to zero Both the NO and NOx background screens operate the same way For detailed information about the menu parameters and the icons used i...

Page 183: ...gas of about 80 of the low NO full scale range 2 Allow the analyzer to sample the low NO calibration gas until the NO NO2 and NOx readings stabilize 3 When the responses stabilize from the Home screen choose Calibration Calibrate Span Coefficients Calibrate Low Range NO Span Coefficient The user sets the span concentration by pressing the Edit Span Concentration button The New Span Coefficient but...

Page 184: ... to about 80 of the URL of the low NO2 range The decrease must not exceed 90 of the low NO concentration determined in the Calibrate NOx Low procedure 2 Press the Back button to return to the Calibration menu and choose Calibrate Low Range NO2 Span Coefficient The user sets the span concentration by pressing the Edit Span Concentration button The New NO2 Span Coefficient button will show what the ...

Page 185: ...oose Calibrate High Range NOx Span Coefficient The user sets the span concentration by pressing the Edit Span Concentration button The New Span Coefficient button will show what the span coefficient will be set to if the Calibrate button is pressed 2 Verify that the high NOx calibration gas concentration is the same as the high NO calibration gas concentration plus any known NO2 impurity 3 Enter t...

Page 186: ...n You can adjust the frequency of calibration and even zero and span checks appropriately as you gain confidence with the instrument It is recommended to have a quality control plan where the frequency and the number of points required for calibration can be modified on the basis of calibration and zero and span check data collected over a period of time Note however that the EPA requires a minimu...

Page 187: ...completed record the NO NO2 and NOx values 6 Reconnect the analyzer sample line to the SAMPLE bulkhead The Manual Calibration screen allows the user to view and manually adjust the zero background and span coefficient These are used to correct the NO NO2 and NOx readings that the instrument generates using its own internal calibration data Normally the zero background and span coefficient are calc...

Page 188: ...ibration of the instrument As such the instrument should sample zero air until stable readings are obtained The NO channel should be calibrated first Both the NO and NOx Adjust Background screens operate the same way The button labeled Adjust NO Background allows the user to change zero background The second button called Adjusted NO Concentration shows what the new NO concentration would be based...

Page 189: ...ration would be based on the adjusted span coefficient Press the Calibrate button to save the adjusted span coefficient value The NO NO2 and NOx coefficient screens operate the same way Home Screen Calibration Advanced Calibration Manual Calibration Adjust Span Coefficients Adjust NO Span Coefficient single range mode Home Screen Calibration Advanced Calibration Manual Calibration Adjust Coefficie...

Page 190: ...libration Zero Span Schedule More The Next Time button is used to view and set the initial date and time 24 hour format of the zero span schedule Once the zero span 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 sp...

Page 191: ...erform just a span The Schedule Averaging Time button allows the user to adjust the schedule averaging time The schedule averaging 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 bac...

Page 192: ......

Page 193: ...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...

Page 194: ...the power cord 2 Remove the PMT cooler from the instrument Refer to PMT Cooler Shroud Removal on page 7 28 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 Coole...

Page 195: ...components 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 th...

Page 196: ...nd 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 proper...

Page 197: ...d opening the pneumatic connection between the pump heads service the pump as described below with the following addition Make steps 1 to 3 and 11 for both pump heads together 1 Turn instrument OFF unplug the power cord and remove the cover 2 Mark the position of head parts relative to each other by drawing a line with a pencil This helps avoid incorrect assembly later 3 Undo the four screws in th...

Page 198: ...acers in this order onto the threaded pin of the new diaphragm 8 Move the connecting rod to the upper point 9 Screw the new diaphragm with connection rod disc and spacers clockwise onto the connection rod and tighten hand tight 10 Place the intermediate plate on housing in the position indicated by the drawing line 11 Place the new valve plate on the intermediate plate 12 Place the head plate on t...

Page 199: ...Maintenance Pump Rebuilding Thermo Scientific 42iQLS Instruction Manual 5 7 Figure 5 3 Pump Rebuilding ...

Page 200: ...tter 1 Turn instrument OFF unplug the power 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 Connect the vacuum tester tool to the EXHAUST bulkhead on the rear panel 5 Squeeze trigger until gauge reads to pull in 10 in Hg 6 Observe vacuum gauge for stable reading for 5 minutes If reading remains at 10 in Hg no leak is present ...

Page 201: ...start LEDs 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 conn...

Page 202: ...low Ruptured pump 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 ...

Page 203: ...or stainless steel Low line voltage Check to 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 heate...

Page 204: ...hragm Rebuild pump every 12 months or as needed Alarm Ozonator Flow Ozone flow low Check ozone capillary for blockage Replace as necessary Alarm NO NO2 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 i...

Page 205: ...rmistor Defective Flow Pressure board Replace defective 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 Defe...

Page 206: ...e cooler Replace cooler as needed Defective 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 Frequ...

Page 207: ...uipment 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 scratc...

Page 208: ...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 ...

Page 209: ...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 42iQLS Refer to Figure 7 2 and Figure 7 3 to identify the component location Firmware Updates Replacement Parts List ...

Page 210: ...Servicing Replacement Parts List 7 4 42iQLS Instruction Manual Thermo Scientific Figure 7 2 42iQLS Component Layout Top View Figure 7 3 42iQLS Component Layout Side View ...

Page 211: ... 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 ...

Page 212: ...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 ...

Page 213: ...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 ...

Page 214: ...Servicing Fan Replacement 7 8 42iQLS Instruction Manual Thermo Scientific Figure 7 8 Replacing the Fan ...

Page 215: ...procedure 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 ...

Page 216: ...LS 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 ...

Page 217: ... Scientific 42iQLS 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 ...

Page 218: ...dule 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 ...

Page 219: ...Servicing LCD Module Replacement Thermo Scientific 42iQLS Instruction Manual 7 13 Figure 7 14 Remove Electrical Cables from LCD 7 Replace LCD module and reassemble in reverse order ...

Page 220: ... 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 ...

Page 221: ...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 ...

Page 222: ...e to replace 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 Board 4 Replace board and reassemble in reverse order Peripherals Support Board and System Controller Board Replacement ...

Page 223: ...nd 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 ...

Page 224: ...Servicing DMC Pressure and Flow Board 7 18 42iQLS Instruction Manual Thermo Scientific Figure 7 21 Flow Pressure Board Screws 5 Replace board and reassemble in reverse order ...

Page 225: ... Phillips drive 1 and 2 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Unplug pump cable from Step POL board J7 3 Twist opposite direction to unlock tube clamps Note Push in tube clamp to lock 4 Disconnect tubing from pump 5 Unfasten two captive hardware 6 Slide pump left until keyway meets opening Pump Replacement ...

Page 226: ...mp Replacement 7 20 42iQLS Instruction Manual Thermo Scientific Figure 7 22 Remove Pump Disconnect and Unfasten 7 Pull pump outwards Note When installing pump make sure the pump keyway opening goes over the keyway ...

Page 227: ...Servicing Pump Replacement Thermo Scientific 42iQLS Instruction Manual 7 21 Figure 7 23 Pump Removal Keyway 8 Remove two screws ...

Page 228: ...Servicing Pump Replacement 7 22 42iQLS Instruction Manual Thermo Scientific Figure 7 24 Pump replacing Unfasten Screws 9 Replace pump and reassemble in reverse order ...

Page 229: ...drive 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 ...

Page 230: ...Servicing Power Supply Replacement 7 24 42iQLS Instruction Manual Thermo Scientific Figure 7 26 Replacing Power Supply ...

Page 231: ...L 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 ...

Page 232: ... 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 ...

Page 233: ...Servicing Step POL Board Replacement Thermo Scientific 42iQLS Instruction Manual 7 27 Figure 7 29 Step POL Board 1 Switch Settings Figure 7 30 Step POL Board 2 Switch Settings ...

Page 234: ... PMT 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 ...

Page 235: ...ic 42iQLS Instruction Manual 7 29 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 ...

Page 236: ...place 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 ...

Page 237: ...Servicing DMC PMT Cooler and Reaction Chamber Replacement Thermo Scientific 42iQLS Instruction Manual 7 31 Figure 7 33 Remove PMT Cooler Board ...

Page 238: ...s 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 Remo...

Page 239: ...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...

Page 240: ...Servicing DMC PMT Cooler and Reaction Chamber Replacement 7 34 42iQLS Instruction Manual Thermo Scientific Figure 7 36 Photo Reaction Chamber Cleaning Window ...

Page 241: ...e 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 54 4 Continue to wedge out the four midpoints of the plate to remove the snap on access panel labeled 2 Figure 7 55 Photomultiplier...

Page 242: ...vicing DMC PMT Cooler and Reaction Chamber Replacement 7 36 42iQLS Instruction Manual Thermo Scientific Figure 7 38 Removing the Access Panel Starting Point 5 Pull access cover out Figure 7 39 Access Cover ...

Page 243: ...screws 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 9...

Page 244: ...uired 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 ...

Page 245: ...ment 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 Rep...

Page 246: ...4 inch hex drive unfasten six 6 32 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 Loosen the heater clamp pry heater apart no wider than necessary and remove the converter cartridge noting the proper orientation of heater wires and thermocouple probe 7 To replace conve...

Page 247: ...Servicing DMC Converter Replacement Thermo Scientific 42iQLS Instruction Manual 7 41 Figure 7 43 Converter Assembly Replace Heater ...

Page 248: ...er Replacing the ozonator and transformer board Replacing the flow switch Replacing the ammonia scrubber 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 3 Disconnect plumbing DMC Ozona...

Page 249: ...43 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 ...

Page 250: ...iQLS 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 ...

Page 251: ...ozonator 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 ...

Page 252: ...PVS Remove Bd Use the following procedure to replace the flow switch Equipment Required Phillips drive 2 1 Remove DMC 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 ...

Page 253: ...e 7 49 Flow Switch Remove Use the following procedure to replace the ammonia scrubber Equipment Required Phillips drive 2 1 Remove DMC Ozonator as described in DMC Ozonator in this chapter 2 Disconnect plumbing 2X 3 Pull Ammonia scrubber off clips 2X Ammonia Scrubber Replacement ...

Page 254: ...Servicing DMC Ozonator 7 48 42iQLS Instruction Manual Thermo Scientific Figure 7 50 Remove Ammonia Scrubber ...

Page 255: ...nch 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 51 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 52 Optional Manifold Replacement ...

Page 256: ...nstruction Manual Thermo Scientific Figure 7 52 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 53 Replacing the Manifold pt 3 6 Replace the manifold and assemble in reverse order ...

Page 257: ...e mode valve and optional permeation oven valve and lag valve Equipment Required Phillips drive 1 1 Turn the instrument OFF unplug the power cord and remove the cover Figure 2 1 2 Unplug mode valve J5 lag valve J6 and perm valve J7 from step board 1 or 2 Figure 7 54 Mode Lag Perm Electrical Connection Optional Solenoid Valves Removal ...

Page 258: ...tific 3 Using a 1 Phillips drive loosen two 4 40 pan head screws 4 Slide valve out Equipment Damage Do not disconnect the plumbing from the valve end Disconnect from the attaching end only This will prevent damaging and leaks from the valve end Figure 7 55 Mode Lag Perm Hardware Plumbing ...

Page 259: ...s necessary Oxygen Sensor removal Oxygen Sensor board replacement Oxygen Sensor capillary replacement Oxygen Sensor replacement Use the following procedure to remove and replace the oxygen sensor Equipment required Phillips drive 2 1 Turn instrument OFF unplug power cord and remove the cover Figure 2 1 2 Unplug DMC cable to oxygen sensor board DMC J4 3 Disconnect plumbing 4 Using a 2 Phillips driv...

Page 260: ... Sensor 7 54 42iQLS Instruction Manual Thermo Scientific Figure 7 56 Oxygen Sensor Removal pt 1 5 Slide oxygen sensor assembly left Note Make sure oxygen sensor plate clears the edge and stud Figure 7 57 Oxygen Sensor Removal pt 2 ...

Page 261: ...Scientific 42iQLS Instruction Manual 7 55 6 Slide oxygen sensor assembly upwards Figure 7 58 Oxygen Sensor Removal pt 3 7 Pull away from the partition panel Note Make sure oxygen sensor plate clears the edge Figure 7 59 Oxygen Sensor Removal pt 4 ...

Page 262: ...uipment required Torque screw driver T15 or slot screw driver 3 16 1 Remove the oxygen sensor DMC from the instrument Refer to Oxygen Sensor Removal on page 7 53 2 Unplug J1 3 Using a T15 torque drive unfasten two captive hardware Figure 7 60 Replacing the Oxygen Sensor DMC Board 4 Slide board upwards Note Clear keyway Oxygen Sensor Board Replacement ...

Page 263: ...Servicing Optional DMC Oxygen Sensor Thermo Scientific 42iQLS Instruction Manual 7 57 Figure 7 61 Replacing the Oxygen Sensor DMC Board pt 2 5 Replace oxygen sensor board and reassemble in reverse order ...

Page 264: ...ps drive 2 1 Remove the oxygen sensor DMC from the instrument Refer to Oxygen Sensor Removal on page 7 53 2 Unlock tube clamp 3 Unplug tube after unlocking tube clamp 4 Using a 2 Phillips drive unfasten four 6 32 flat head screws Figure 7 62 Replacing the Oxygen Sensor Capillary 5 Pull capillary assembly outwards and apart as shown Oxygen Sensor Capillary Replacement ...

Page 265: ...Servicing Optional DMC Oxygen Sensor Thermo Scientific 42iQLS Instruction Manual 7 59 Figure 7 63 Replacing the Capillary pt 2 6 Replace capillary and reassemble in reverse order ...

Page 266: ...e 3mm 1 Remove the oxygen sensor DMC from the instrument Refer to Oxygen Sensor Removal on page 7 53 2 Unplug oxygen sensor cable Figure 7 64 Replacing the Oxygen Sensor 3 Disconnect tubing 4 Using a 3mm hex drive unfasten three m4 socket cap head screws 5 Slide out oxygen sensor 6 Replace oxygen sensor and reassemble in reverse order Oxygen Sensor Replacement ...

Page 267: ...oxygen sensor assembly downwards Note Make sure oxygen sensor plate goes over the partition panel keyway stud Figure 7 65 Installing the Oxygen Sensor DMC 2 Slide oxygen sensor assembly right Note Make sure oxygen sensor plate fits under the stud Note Make sure oxygen sensor plate slides into side pocket 3 Using a 2 Phillips drive fasten captive hardware Oxygen Sensor DMC Install ...

Page 268: ...Servicing Optional DMC Oxygen Sensor 7 62 42iQLS Instruction Manual Thermo Scientific Figure 7 66 Oxygen Sensor DMC install pt 2 ...

Page 269: ...cation of the system components in the module framework including firmware electronics and I O function The 42iQLS 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 Front panel I O optional System...

Page 270: ...the ambient 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 Th...

Page 271: ...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 42iQLS 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...

Page 272: ...POWER FILTER SWITCH GND SYSTEM CONTROLLER BOARD A C FRONT USB PORT BOARD DISPLAY LEDS MFC 1 TOUCH SCREEN LCD DISPLAY 48V POWER SUPPLY DMC 1 DMC 2 24V POWER 2 POL 1 DATA POL 2 24V POL 1 24V POWER POWER POL 2 DATA 24V POWER 1 RESET FRONT PANEL Only if 48V is required BOARD Backplane Measurement Case MFC 2 MFC 3 Not all connections apply to all Model iQ instruments OUT A C OUT GROUND TAB iQ Series Co...

Page 273: ...tep Pol Module 2 Backplane Measurement Case POL 1 DATA POL 1 24V POWER DMC 1 Pump Fan Fan 24V Zero Sol Span Sol Sample Sol NO NOx Mode Sol Lag Vol Mode Sol 42 Ozonator DMC 42 Converter DMC 42 PMT Cooler DMC PMT Sensor Heater Fan Heater Sensor Flow Switch O 3 TEC iQ Series 42 LS Figure 8 2 42iQLS System Interconnect Diagram ...

Page 274: ...munication 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 instru...

Page 275: ... instrument The mode solenoid valve switches analyzer operation between the NO mode and NOx mode It routes the ambient air sample either through the reaction chamber NO mode or through the NO2 to NO converter and then to the reaction chamber NOx mode Optional solenoid valves for switching between sample zero and span gases and other optional components The flow pressure DMC performs the pressure m...

Page 276: ...es 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 processing and control via SNMP registers some of which is interfaced with the front panel Graphical User Interface GUI In addition to the operating registers the 42iQLS stores...

Page 277: ... 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 ...

Page 278: ...uses 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 P...

Page 279: ...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 ...

Page 280: ...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 ...

Page 281: ...ed 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 ...

Page 282: ...t 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 le...

Page 283: ...ation 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 confirmati...

Page 284: ...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...

Page 285: ... 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...

Page 286: ...rease 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 ...

Page 287: ...tal 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 ...

Page 288: ...uts 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 ...

Page 289: ...ing External Devices Thermo Scientific 42iQLS 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 ...

Page 290: ...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 ...

Page 291: ... 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 ...

Page 292: ...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 ...

Page 293: ...ource 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...

Page 294: ...r O2 concentration measurement and NO NO2 NOx correction This option allows the user to correct the NOx readings for the amount of oxygen in the sample Selectable O2 concentrations can be used as the correction factor Figure 9 10 shows how this option is integrated with the 42iQLS Figure 9 10 42iQLS Flow Schematic with Internal O2 Sensor Internal Oxygen O2 Sensor ...

Page 295: ...E element is available for the 42iQLS This filter should 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 NO2 ...

Page 296: ......

Page 297: ...rious 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 ...

Page 298: ...parts 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 th...

Page 299: ...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...

Page 300: ...Thermo 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 De...

Page 301: ...ch Screen Display 2 8 Figure 4 1 GPT System 4 4 Figure 5 1 Inspecting and Replacing the Capillaries 5 3 Figure 5 2 Dual Stage Pump 5 5 Figure 5 3 Pump Rebuilding 5 7 Figure 7 1 Properly Grounded Antistatic Wrist Strap 7 2 Figure 7 2 42iQLS Component Layout Top View 7 4 Figure 7 3 42iQLS Component Layout Side View 7 4 Figure 7 4 Replacing the Fuses 7 5 Figure 7 5 Start with Top Right Corner of Fan ...

Page 302: ...Figure 7 31 Remove PMT Cooler Shroud 7 29 Figure 7 32 Remove DMC PMT Cooler 7 30 Figure 7 33 Remove PMT Cooler Board 7 31 Figure 7 34 Photo Reaction Chamber Cleaning Electrical 7 32 Figure 7 35 Photo Reaction Chamber Cleaning Hardware 7 33 Figure 7 36 Photo Reaction Chamber Cleaning Window 7 34 Figure 7 37 PMT Tube Replace Elec Pt1 7 35 Figure 7 38 Removing the Access Panel Starting Point 7 36 Fig...

Page 303: ...9 1 I O Expansion Replacement Boards 9 1 Figure 9 2 RS 232 RS 485 Port 9 2 Figure 9 3 RS 485 External Accessory Port 9 3 Figure 9 4 Analog Voltage Inputs 9 4 Figure 9 5 Analog Voltage and Current 9 5 Figure 9 6 Digital Inputs 9 11 Figure 9 7 Digital Relay Switches 9 13 Figure 9 8 Valve Driver Outputs 9 15 Figure 9 9 Flow Diagram Zero Span Option 9 17 Figure 9 10 42iQLS Flow Schematic with Internal...

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