Environnement AF22e Technical Manual
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Environnement AF22e Technical Manual

Uv fluorescent sulfur dioxide analyzer
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TECHNICAL MANUAL
AF22e
UV FLUORESCENT
SULFUR DIOXIDE ANALYZER
- MARCH 2017 -
111 bd Robespierre, 78300 POISSY – TEL. 33(0)-1.39.22.38.00 – FAX 33(0)-1.39 65.38.08
http://www.environnement-sa.com

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Summary of Contents for Environnement AF22e

  • Page 1 TECHNICAL MANUAL AF22e UV FLUORESCENT SULFUR DIOXIDE ANALYZER - MARCH 2017 - 111 bd Robespierre, 78300 POISSY – TEL. 33(0)-1.39.22.38.00 – FAX 33(0)-1.39 65.38.08 http://www.environnement-sa.com...
  • Page 2 Environnement AF22e Duplication prohibited WARNING The information in this documentation is subject to change without notice. Environnement all rights reserved. This document does not represent a commitment under part of Environnement APRIL 2016 0–2...
  • Page 3 Duration and starting point of the warranty Unless otherwise stipulated, the warranty period shall have a duration of twelve months from the date of delivery within the meaning of article 6 paragraph 2 of the «Environnement : 2013 INTERNATIONAL GENERAL TERMS AND CONDITIONS OF SALES», even if the shipment or assembly is postponed for any reason outside the seller's...

  • Page 4: Table Of Contents

    PROGRAMMING THE RESPONSE TIME 2–12 ELECTRONIC ARCHITECTURE 2–13 NETWORK LINK AND USB PORTS 2–14 CHAPTER 3. OPERATING INSTRUCTIONS 3.1. INITIAL STARTUP 3–3 3.2. PROGRAMMING THE AF22E 3–9 3.3. BROWSING ERGONOMY 3–13 3.4. ANALYZER FUNCTION DESCRIPTION 3–18 3.5. CALIBRATION 3–38 APRIL 2016...
  • Page 5 AF22e Environnement Duplication prohibited CHAPTER 4. PREVENTIVE MAINTENANCE SAFETY INSTRUCTIONS 4–3 MAINTENANCE CALENDAR 4–4 MAINTENANCE OPERATION SHEETS 4–4 KITS AND SPARE PARTS SET FOR AF22e MAINTENANCE 4–17 CHAPTER 5. CORRECTIVE MAINTENANCE APRIL 2016 0–5...
  • Page 6 Figure 2–1 – Diagram showing molecule energy levels 2–5   Figure 2–2 – General principle diagram of standard AF22e 2–7   Figure 2–3 – General principle diagram of AF22e with permeation bench option 2–8   Figure 2–4 – Hydrocarbon molecule filtration 2–9  ...
  • Page 7 AF22e Environnement Duplication prohibited List of Tables   Table 5–1 – List of faults and corrective actions 5–4   Table 5–2 – Interconnection board configuration and LEDs description 5–10   Table 5–3 – Controller board configuration 5–12   Table 5–4 – Power supply board 5–13...
  • Page 8 Environnement AF22e Duplication prohibited INDEX OF PAGES Page Date Page Date Page Date 03.2017 3-15 04.2016 06.2016 04.2016 3-16 06.2016 04.2016 04.2016 3-17 06.2016 04.2016 04.2016 3-18 06.2016 04.2016 04.2016 3-19 04.2016 04.2016 06.2016 3-20 04.2016 04.2016 06.2016 3-21 04.2016 04.2016...

  • Page 9: General Characteristics

    Figure 1–3 – Color screen fitted with touch-screen 1–3 Figure 1–4 – Rear panel 1–5 Figure 1–5 – AF22e internal view 1–7 Figure 1–6 – Links between units 1–10 Figure 1–7 – AF22e dimensions (in mm) 1–11 APRIL 2016 1–1...

  • Page 10: Figure 1-1 - Environnement S.aaf22E (With Screen)

    AF22e Environnement Duplication prohibited GENERAL - CHARACTERISTICS Figure 1–1 – Environnement AF22e (with screen). Figure 1–2 – Environnement S.A AF22e (without screen). 1–2 APRIL 2016...

  • Page 11: General

    GENERAL 1.1.1. INTRODUCTION The AF22e is a continuous sulfur dioxide analyzer (with a detection limit of 0.4 ppb). Its detection is based on ultraviolet fluorescence principle. With the incorporation of recent optical and electronic technologies, the analyzer offers many advantages while requiring only limited maintenance.

  • Page 12: Rear Panel

    Environnement Duplication prohibited 1.1.2.3. Rear panel All of the AF22e electrical connectors and gas inlets/outlets are located on the rear panel. Refer to Figure 1–4. Gas inlets/outlets for standard analyzers (right-hand side):  The inlet for the sample to be analyzed (1) is composed of 4 mm (I.D.) and 6 mm (O.D.) Teflon tube fittings, attached to the dust filter holder.

  • Page 13: Figure 1-4 - Rear Panel

    AF22e Environnement Duplication prohibited (1) sample inlet, (2) pump outlet, (3) span inlet, (4) inlet for external zero air generator, (5) three-contact socket for main power supply, (6) general fuse, (7) Ethernet output, (8) two USB ports, (9) fan, (10) duplicate the zero and span solenoid valves for optional solenoid valve of external calibration, (11) 24 V power supply for ESTEL board option, (12) permeation bench inlet (optional), (13) not used.

  • Page 14: Internal View

    AF22e Environnement Duplication prohibited 1.1.2.5. Internal view The internal components of the analyzer are accessed by simply unscrewing the single knurled screw at the rear panel and sliding the upper cover. The internal elements include (refer to Figure 1–5): ...

  • Page 15: Figure 1-5 - Af22E Internal View

    (1) sample inlet dust filter, (2) measurement module, (3) pump, (4) ARM20 board, (5) Interconnection board, (6) 24 VDC power supply unit, (7) measurement board, (8) pressure sensor boards, (9) UV lamp supply board, (11) UV lamp, (12) shutter, (13) solenoid valve-filter assembly. Figure 1–5 – AF22e internal view MARCH 2017 1–7...

  • Page 16: Various Operating Modes

    AF22e Environnement Duplication prohibited 1.1.3. VARIOUS OPERATING MODES 1.1.3.1. Standard  Programmable measurement range from 1 to 10 ppm, with a detection limit of 0.4 ppb for 36 second response time.  Automated monitoring of parameters influencing metrology (UV emitted energy, gas flow, temperature and pressure) and correct operation tests.

  • Page 17: Characteristics

    AF22e Environnement Duplication prohibited 1.3. CHARACTERISTICS 1.3.1. TECHNICAL CHARACTERISTICS Measurement range : Programmable by user (0 to 10 ppm) – Units : – ppb or µg/m (programmable) – 0.2 ppb (response time: 36 seconds) Noise () : Minimum detectable limit (2 ) : 0.4 ppb (response time: 36 seconds)

  • Page 18: Figure 1-6 - Links Between Units

    1.3.4.3. Handling and storage The AF22e analyzer must be handled with care to avoid damage to the various connectors and fittings on the rear panel. Make sure that the analyzer fluid inlets and outlets are protected with caps during handling.

  • Page 19: Figure 1-7 - Af22E Dimensions (In Mm)

    AF22e Environnement Duplication prohibited Figure 1–7 – AF22e dimensions (in mm) APRIL 2016 1–11...
  • Page 20 AF22e Environnement Duplication prohibited Page intentionally left blank 1–12 APRIL 2016...

  • Page 21: Figure 2-2 - General Principle Diagram Of Standard Af22E

    Figure 2–1 – Diagram showing molecule energy levels 2–5 Figure 2–2 – General principle diagram of standard AF22e 2–7 Figure 2–3 – General principle diagram of AF22e with permeation bench option 2–8 Figure 2–4 – Hydrocarbon molecule filtration 2–9 Figure 2–5 – Electronic architecture 2–14...
  • Page 22 AF22e Environnement Duplication prohibited Page intentionally left blank APRIL 2016 2–2...

  • Page 23: Theoretical Basis

    AF22e Environnement Duplication prohibited PRINCIPLE OF OPERATION THEORETICAL BASIS Refer to Figure 2–1. Energy diagram: Many developments in quantum mechanics were performed in the early twentieth century. They allowed theoretical physicists to conceptualize processes involved in energy exchanges between a gaseous molecule such as sulfur dioxide and its environment.
  • Page 24 AF22e Environnement Duplication prohibited From E , the molecule can return to any ground state sub level following different paths: − by fluorescence: ⎯ → ⎯ SO * Based on the above formula, is less than v, therefore λ' > λ, ...

  • Page 25: Figure 2-1 - Diagram Showing Molecule Energy Levels

    AF22e Environnement Duplication prohibited Figure 2–1 – Diagram showing molecule energy levels APRIL 2016 2–5...

  • Page 26: Measurement Principle

    L C << 1 and 1 can be developed at first-order as follows: 1 − ≅ + The result is: = The PM senses radiation directly proportional to SO concentration. This result is the basis of AF22e measurement technique. APRIL 2016 2–6...

  • Page 27: General Principle Diagrams

    Solenoid valve block Pump exhaust Zero air filter Pump Hydrocarbon scrubber Down stream Internal flow External flow pressure Restrictor Restrictor Zero air filter pressure Photodiode Photomultiplier tube Figure 2–2 – General principle diagram of standard AF22e APRIL 2016 2–7...

  • Page 28: Figure 2-3 - General Principle Diagram Of Af22E With Permeation Bench Option

    Pump exhaust Zero air filter Restrictor Pump Hydrocarbon scrubber Down stream Internal flow External flow pressure Restrictor Restrictor Zero air filter pressure Photodiode Photomultiplier tube Figure 2–3 – General principle diagram of AF22e with permeation bench option APRIL 2016 2–8...

  • Page 29: Sampling And Analysis

    AF22e Environnement Duplication prohibited SAMPLING AND ANALYSIS The sample is drawn through a Teflon tube with a pump connected to the analyzer rear panel. Dust protection is provided by the dust filter holder equipped with a Teflon filter diaphragm. Hydrocarbon molecule filtration Firstly, the sample to be analyzed is filtered by a HC removing aromatic molecule device.
  • Page 30 AF22e Environnement Duplication prohibited Analysis The HC-molecule free sample to be analyzed, is sent to a reaction chamber to be irradiated by an ultraviolet radiation centered at 214 nm, which is the SO molecule absorption wavelength. A photodiode measures the ultraviolet radiation generated by the UV lamp. This measurement is used during signal processing to compensate any variation of UV energy.

  • Page 31: Simplified Calculation Description

    AF22e Environnement Duplication prohibited SIMPLIFIED CALCULATION DESCRIPTION Calculations are performed following the steps below: − During a zero-ref cycle, the analyzer in zero air measurement mode acquires the following signals: • Dark PM sig.: PM signal is recorded when shutter is closed, •...

  • Page 32: Programming The Response Time

    AF22e Environnement Duplication prohibited PROGRAMMING THE RESPONSE TIME The automatic response time function may be activated or de-activated in the « ADVANCED ANALYZER CONFIGURATION » screen . The minimum response time may also be modified in this menu. The response time function changes the a ,…, a...

  • Page 33: Electronic Architecture

    AF22e Environnement Duplication prohibited ELECTRONIC ARCHITECTURE Communication between the ARM20 board and the other electronic boards (Measurement board, Interconnection board, Power supply board, Controller board, Pressure sensor board….) follows the schematic shown in Figure 2–5 The ARM20 board is a rapid calculation and interfacing (communication) board for the “e” series measurement modules.

  • Page 34: Network Link And Usb Ports

    AF22e Environnement Duplication prohibited CONTROLLER BOARD Measurement module MEASUREMENT BOARD COLOR SCREEN HUB USB, USB Communication, DALLE TACTILE Various controls, USB communication, 24 V, 12 V, 5 V and 3.3 V supplies Various controls, 12 V, 5 V, 3.3 V supplies TOUCHSCREEN Ext.

  • Page 35: Initial Startup

    INITIAL STARTUP 3–3 3.1.1. PRELIMINARY OPERATIONS 3–3 3.1.2. STARTING UP THE UNIT 3–5 3.2. PROGRAMMING THE AF22E 3–9 3.2.1. SCREEN AND KEYBORAD DESCRIPTION AND USE INSTRUCTIONS 3–9 3.2.1.1. Definition of the control screen areas 3–9 3.2.1.2. Contextual help functioning 3–10 3.2.1.3.

  • Page 36: Calibration

    AF22e Environnement Duplication prohibited 3.4.2.12. Automatic linearization of the flow 3–36 3.4.2.13. Airproof test 3–37 3.4.2.14. Potentiometer setting 3–37 3.5. CALIBRATION 3–38 3.5.1. OVERVIEW OF CALIBRATION AND CONCEPTS 3–38 3.5.1.1. Zero air generation 3–39 3.5.1.2. Span gas generation (SO 3–40 3.5.1.3.

  • Page 37: Figure 3-1 - Fluid And Electrical Connections

    AF22e Environnement Duplicationh prohibited OPERATING INSTRUCTIONS 3.1. INITIAL STARTUP The analyzer is inspected before delivery. Calibration is verified at the factory. 3.1.1. PRELIMINARY OPERATIONS Refer to Figure 3–1. Start-up involves the following preliminary operations: Visually examine the inside of the instrument to make sure no damage occurred during transport.

  • Page 38: Figure 3-2 - Installation Of The Sample Gas Inlet

    AF22e Environnement Duplication prohibited Figure 3–2 – Installation of the sample gas inlet NOTE : Recommended height for sampling tap: 2.50 m Maximum recommended length of Teflon sampling pipe: 6 m. APRIL 2016 3–4...
  • Page 39 AF22e Environnement Duplicationh prohibited 3.1.2. STARTING UP THE UNIT Starting up the unit consists in carrying out, in the following order, the INSTALLATION / COMMISSIONING procedure described here-below. 1/ Press the ON/OFF push button located on the front panel. The analyzer starts running, it passes into warm-up cycle (duration of which is 1800 seconds maximum).
  • Page 40 AF22e Environnement Duplication prohibited Button and icon definitions specific to these screens Displays the selection buttons of the analyzer fluid inlets: sample inlet, zero inlet, span inlet. Warm-up status icon: indicates that analyzer is warming-up. Normal operation status icon: indicates that the analyzer operates normally.
  • Page 41 AF22e Environnement Duplicationh prohibited The button allows to close the pop-up without input validation. The home page of the advanced analyzer functionalities is presented below: The accessible functions for the User appear in white with a blue background in zone (2). The function access to the functions depends of the password’s level that was entered.
  • Page 42 AF22e Environnement Duplication prohibited 3/ Contextual help functioning The contextual help is directly accessible through all the screens. The user activates it by touching / clicking on the button that will become green . Then, the user touches / clicks on the buttons or on a parametric screen part in order to display a pop-up that describes the use of the selected function or button.
  • Page 43 AF22e Environnement Duplicationh prohibited 3.2. PROGRAMMING THE AF22E 3.2.1. SCREEN AND KEYBORAD DESCRIPTION AND USE INSTRUCTIONS The touch screen mounted on the front panel is alternately used to visualize the control screens and the virtual input screen allowing input and modification of the analyzer parameters. The control button activation is done by touching.
  • Page 44 AF22e Environnement Duplication prohibited Activating this button displays the contextual help. Activating this button displays the analyzer information panel. Activating this button gives access to the advanced analyzer functionality home page. 3.2.1.2. Contextual help functioning The contextual help is directly accessible through all the screens. The user activates it by touching /...
  • Page 45 AF22e Environnement Duplicationh prohibited The numeric keyboard: It is displayed in the area (2) of the screen below: (1) button for input validation, (2) numeric keyboard with touchscreens. : clears digits during input. : used to move from an input field to another according to its indexation.
  • Page 46 AF22e Environnement Duplication prohibited 3.2.2. OPERATION PARAMETER PROGRAMMING The standard functionalities cannot be modified. The user can only modify the advanced functionality parameters. 3.2.2.1. Field requiring character input Using the front panel touchscreen : – Touch the input field to be modified: if the field is alphanumeric, the QWERTY keyboard is displayed, if the field is numeric, the numeric keyboard is displayed.
  • Page 47 Environnement Duplicationh prohibited 3.3. BROWSING ERGONOMY The AF22e home page is the following: By default, the home page displays the SO measurement channel. From the front panel touchscreen, the homepage allows free (i.e. without password) and direct (i.e. the first browsing level) access to the standard functionalities of the analyzer.
  • Page 48 AF22e Environnement Duplication prohibited Standard functionalities are the followings: Display of fluid inlet selection buttons. Manual selection of sample inlet. Manual selection of zero inlet. Manual selection of span inlet. Display of analyzer status. Indication of analyzer model and time.
  • Page 49 AF22e Environnement Duplicationh prohibited The information panel displays the software version, analyzer serial number, TCP/IP analyzer address, current date programmed in the analyzer, memorization period for data archiving, remaining days up to next maintenance, if YES or NO an USB function is active on the analyzer, the number of connected clients.
  • Page 50 AF22e Environnement Duplication prohibited The advanced function access is selectively assigned to password bearers only. There are three possible authorization levels for passwords: user level, advanced level, expert level. The user-accessible functions are white in blue background. They depend on the hierarchical level of the assigned password.
  • Page 51 AF22e Environnement Duplicationh prohibited Set the analyzer in maintenance mode Return to standard functionality home page Give the USB characteristics (free and total memory) when it is connected to the analyzer. Backup of configuration and software on USB when it is connected to the analyzer.
  • Page 52 AF22e Environnement Duplication prohibited 3.4. ANALYZER FUNCTION DESCRIPTION 3.4.1. STANDARD FUNCTIONS 3.4.1.1. Analyzer controls The analyzer controls are the followings: Controls Function description This function switches the analyzer to the sample gas inlet. The gas is continuously sampled through the dust inlet filter.
  • Page 53 AF22e Environnement Duplicationh prohibited This function launches manually an automatic zero correction cycle to adjust the zero drift. Launches a zero The user activates and visualizes cycle progression in the scroll bar reference cycle At any time, it is possible to abort the current cycle by touching...
  • Page 54 AF22e Environnement Duplication prohibited 3.4.1.2. Measurement channel display By default, the homepage displays the compound channel to be measured: To display additional measurement channels, it is first necessary to select them in the « Measurement channel » section of the « General configuration » screen shown below (see outlined frame with arrow):...
  • Page 55 AF22e Environnement Duplicationh prohibited Then, to activate in order to display the corresponding group elements, touch/click on the elements to be selected : they become sky-blue highlighted. Once they are selected, the channels no more appear in the list. This allows not to select the same channel twice.
  • Page 56 AF22e Environnement Duplication prohibited Three measurement channels are displayed per page. To display the whole selected channels, the GUI (graphic user interface) adds as many pages as necessary. These additional pages are symbolized by the buttons displayed at the screen top (see the outlined frame with arrow). The user clicks- on/touches these buttons to display pages successively.
  • Page 57 AF22e Environnement Duplicationh prohibited Go back to the next-to-last page to display the corresponding curves: The Y-axis scale setting is automatic and adjusted in real time for current display optimization. Maximum six curves can be displayed simultaneously. By touching / clicking in the graph, the user activates the...
  • Page 58 AF22e Environnement Duplication prohibited The user selects the screen zone he wants to zoom: Then, he activates to validate: the selected zone is zoomed-in in the screen. To exit zoom function, the user clicks in the screen two times, then he activates the action with This zoom function is available for X-axis and Y-axis.
  • Page 59 AF22e Environnement Duplicationh prohibited 3.4.1.4. Analyzer synoptic diagram The user views the synoptic diagram by clicking-on / touching the last button in the browsing bar at screen top (see outlined frame with arrow). This screen displays the entire fluid circuit and the significant operating parameter values.
  • Page 60 AF22e Environnement Duplication prohibited 3.4.2. ADVANCED FUNCTIONS The user accesses the advanced functions homepage by touching / clicking-on The advanced functions can only be accessed by authorized users with password. Three different password levels are available to authorize selective access: user level, advanced level, expert level.
  • Page 61 AF22e Environnement Duplicationh prohibited 3.4.2.2. General configuration This screen is accessed by touching/clicking-on This screen is used to configure the addresses and protocols necessary for communication and the measurement channels. DATE and TIME fields: they indicate the current date and hour of the analyzer. They are modifiable with the «...
  • Page 62 AF22e Environnement Duplication prohibited OPERATION section: NEG. VALUES field ON/OFF indicates if negative values are authorized or not. – – ALARM field ON/OFF enables or disables the alarm management. MEASUREMENT CHANNEL section: it is used to configure the measurement channel display.
  • Page 63 AF22e Environnement Duplicationh prohibited INLET field: allows selecting the channel used for the cycle (Zero, Span, Ref-Zero, Calibration). PROGRAMMED INLET field: when ON, the analyzer uses the programmed inlet when a cycle is launched manually. REMOTE CONTROL field: allows triggering cycle on a remote-control input (when optional ESTEL board(s) is/are available...).
  • Page 64 AF22e Environnement Duplication prohibited The user touches/clicks-on to validate the selection, close the pop-up and display the screen to visualize the recorded averages for the period. Touch/click-on to close the pop-up without validating modifications. Button definition specific to this screen : exports the displayed data to a TXT file.
  • Page 65 AF22e Environnement Duplicationh prohibited 3.4.2.6. Delete all recorded averages Touching/ double clicking-on this button delete all the recorded averages. WARNING : this action is irreversible. 3.4.2.7. List of connected clients The user touches/double-clicks on to display the pop-up giving the IP addresses and inactivity duration of the currently connected clients.
  • Page 66 AF22e Environnement Duplication prohibited The second page displays the analyzer signal values: The third page displays the control status, the component list and status when detected on analyzer startup. The ON/OFF buttons are used to check that the corresponding elements are working correctly.
  • Page 67 AF22e Environnement Duplicationh prohibited Alarm solving : When an alarm triggers, the alarm icon is displayed at the bottom left side of the screen. The user touches/clicks-on to access the diagnostic function first page displaying the current alarm and event list, as shown below: fields indicate triggering hour and fault nature.
  • Page 68 AF22e Environnement Duplication prohibited When the alarm is cleared, the analyzer returns to its normal status, and the icon replaces the icon in the bottom left side. 3.4.2.9. Set the analyzer in standby mode To activate stand-by mode, the user double-clicks on/touches which becomes Standby mode is used to stop the pump while all the other controls remain in operation.
  • Page 69 AF22e Environnement Duplicationh prohibited alarm icon or control icon will remain displayed and the maintenance icon will not be displayed. Under these conditions, to verify if the measurement or maintenance status is active, the user checks the button is red-outlined or not in the advanced function page.
  • Page 70 AF22e Environnement Duplication prohibited « Span gas value » field: span gas cylinder concentration used to perform calibration check. This concentration is the reference value to be reached. « Calib. ON/OFF » field: this field is used when the analyzer can measure many gases. It allows to perform a gas-by-gas calibration with no effect on the other gases.
  • Page 71 AF22e Environnement Duplicationh prohibited 3.4.2.13. Airproof test This screen is accessed by touching/clicking-on . It explains the procedure to follow for performing the airproof test of the analyzer fluid circuit. The user must follow the instructions detailed in the white- outlined frame.
  • Page 72 National Institute of Standards and Technology (NIST) reference. 3.5.1. OVERVIEW OF CALIBRATION AND CONCEPTS To ensure the accuracy of performed measurements using the AF22e analyzer, the unit must be regularly checked, calibrated and adjusted, following the user’s quality assurance plan. Zero and span check : –...

  • Page 73: Figure 3-3 - Example Of A Pressurized Gas Connection

    AF22e Environnement Duplicationh prohibited Note about gas generation devices: For pressurized gas devices, it is necessary to provide an excess system to deliver gas at atmospheric pressure to the analyzer inlet. The device materials should be neutral for the gas used. When the device is used in automatic cycle with a cylinder, it is necessary to provide a shutoff solenoid-valve remote- controlled by the analyzer (refer to Figure 3–3).
  • Page 74 After this calibration, the zero and span sources should be connected to the corresponding analyzer inlet ports. The AF22e should give identical responses whether the sources are connected to the sample or the zero and span inlets ports. If not, then internal valves should be serviced.
  • Page 75 AF22e Environnement Duplicationh prohibited 3.5.2. ZERO AND SPAN POINT CHECK 3.5.2.1. Equipment Required − Zero check: Use method described in section 3.5.1.1. − Span point: Use method described in section 3.5.1.2. 3.5.2.2. Procedure Pay attention: touching allows to display . Touching...
  • Page 76 AF22e Environnement Duplication prohibited APRIL 2016 3–42...
  • Page 77 AF22e Environnement Duplicationh prohibited 3.5.3. TWO-POINT CALIBRATION 3.5.3.1. Equipment required Zero reference : – Use method described in section 3.5.1.1. Span point: – Use method described in section 0. 3.5.3.2. Procedure − Zero calibration: • Use the key to start a zero-reference cycle on the zero inlet port (minimum 600 sec). Wait for measurement to stabilize.

  • Page 78: Figure 3-4 - Typical Calibration Device Diagram

    AF22e Environnement Duplication prohibited 3.5.4. MULTI-POINT CALIBRATION 3.5.4.1. Overview An appropriate device consists of a diluter (MGC101 type), a certified span cylinder (SO ) (2 % accuracy), and a zero air generator. Certified span cylinder calibration may be associated to reference materials of the National Institute of Standards and Technology (NIST) for calibration in the US EPA measurement field.
  • Page 79 AF22e Environnement Duplicationh prohibited − Dilution air (zero air): Zero air generator or cylinder of reconstituted air. Zero air should not contain more than 0.5 ppb of SO and be free of contaminants that might be measured by the analyzer.
  • Page 80 AF22e Environnement Duplication prohibited − Connect analyzer sample inlet to manifold dilution system. − Adjust the dilution system in order to generate a total zero air flow higher than the analyzer sample flow rate by 20%. − Generate zero air. Wait for measurement to stabilize (recommended duration: 600 sec). Note Z value, as a percentage of selected full scale, named ECH.

  • Page 81: Figure 4-2 - Internal Zero Filter Replacement

    SAFETY INSTRUCTIONS 4–3 MAINTENANCE CALENDAR 4–4 MAINTENANCE OPERATION SHEETS 4–4 KITS AND SPARE PARTS SET FOR AF22e MAINTENANCE 4–17 Figure 4–1 – Sample inlet dust filter replacement 4–5 Figure 4–2 – Internal zero filter replacement 4–8 Figure 4–3 – KNF pump head dismantling 4–10...
  • Page 82 Environnement AF22e Duplication prohibited Page intentionally left blank APRIL 2016 4–2...
  • Page 83 Use of components or accessories not manufactured by Environnement failure to use S.A, recommended parts may reduce the safety features. • Use of this equipment in a manner not approved by Environnement as it can cause harm to S.A, the equipment or operating personnel. •...
  • Page 84 Duplication prohibited MAINTENANCE CALENDAR By design, the AF22e requires very limited maintenance. However, the unit must be regularly serviced to ensure proper performance over time. The routine maintenance schedule shown below is an example, and this schedule can vary according to operating conditions.

  • Page 85: Figure 4-1 - Sample Inlet Dust Filter Replacement

    AF22e Environnement Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.1 Scope: Sample inlet dust filter replacement PAGE: 1/1 Frequency: 2 to 4 weeks according to dust amount Proceed in the following order: Date − Turn off the analyzer power switch and disconnect the sample inlet.
  • Page 86 Periodicity : 1 month Date Flow rate check : • Connect a flow meter on the AF22e sample inlet. Flow meter Sample inlet • Make sure the flow rate value indicated on the flow meter is 20 ± 5 Nl/h.
  • Page 87 AF22e Environnement Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET : 4.3.2 Scope : Optical, electric and fluid parameter check PAGE : 2/2 Periodicity : 1 month Date MUX signals check:  Switch the analyzer to zero air. ...
  • Page 88 Environnement AF22e Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.3 Scope: Internal zero filter replacement PAGE: 1/1 Frequency: 6 months Dates Proceed in the following order:  Turn off the analyzer and unplug the power cable.  Remove the cover screw located on the analyzer rear panel. Remove the protective cover.
  • Page 89 AF22e Environnement Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.4 Scope: KNF pump maintenance PAGE: 1/5 Frequency: 1 year Date WARNING: Before any intervention, unplug the power cable and make sure the pump is turned off. The diaphragm and valves are the only pump parts that need replacement. Maintenance operation consists of cleaning and/or replacing them.
  • Page 90 Environnement AF22e Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.4 Scope: KNF pump maintenance PAGE: 2/5 Frequency: 1 year Date Dismantling the pump head: − Draw a line with a pen (7) to mark the cover (8), the cylinder head (9), and the pump body (10).
  • Page 91 AF22e Environnement Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.4 Scope: KNF pump maintenance PAGE: 3/5 Frequency: 1 year Date Diaphragm replacement: − Turn the eccentric wheel (13) to position the diaphragm (15) to the upper position, so the diaphragm can be easily grasped by its circumference (17), to unscrew turn counter clockwise.
  • Page 92 Environnement AF22e Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.4 Scope: KNF pump maintenance PAGE: 4/5 Frequency: 1 year Date Valves (22) and O-rings (23) replacement: The valves are located in the cylinder head. Replace the valves (22) and the O-rings (23), taking care to correctly fit together the O-rings in their housings.

  • Page 93: Figure 4-6 - Pump Reassembly

    AF22e Environnement Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.4 Scope: KNF pump maintenance PAGE: 5/5 Frequency: 1 year Date Pump reassembly: Reassembly is carried out in the reverse order from dismantling. − Reassemble the cover (8) and the cylinder head (9) on the pump body (10) according to the line drawn to mark the various parts (7).
  • Page 94 Environnement AF22e Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.5 Scope: UV lamp replacement PAGE: 1/3 Frequency: 2 years WARNING: DO NOT put your fingers on the lamp glass. Dismantling the UV source assembly:  Turn off the analyzer and unplug the power cable.

  • Page 95: Figure 4-8 - Uv Lamp Change

    AF22e Environnement Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.5 Scope: UV lamp replacement PAGE: 2/3 Frequency: 2 years WARNING: DO NOT put your fingers on the lamp glass. UV lamp replacement: − Unscrew the three flange (9) screws (10) and pull off, as arrow indicates, to remove the UV lamp (11) from its protection tube (12).
  • Page 96 Environnement AF22e Duplication prohibited MAINTENANCE SHEET MONITOR Serial No.: OPERATION SHEET: 4.3.5 Scope: UV lamp replacement PAGE: 3/3 Frequency: 2 years WARNING: DO NOT put your fingers on the lamp glass. UV source reassembly: Reassembly is carried out in the reverse order from dismantling ...
  • Page 97 AF22e Environnement Duplication prohibited KITS AND SPARE PARTS SET FOR AF22e MAINTENANCE Maintenance kit for 1 year - Ref.: AF22e-K Line Nb Designation Reference zero filter F05-0128-C-SAV Teflon filter (porosity 5µm - ∅ 47 mm) F05-11-842 Kit for KNF pump...
  • Page 98 Environnement AF22e Duplication prohibited Page intentionally left blank APRIL 2016 4–18...

  • Page 99: Figure 5-1 - Interconnection Board Diagram

    AF22e Environnement Duplication prohibited CHAPTER 5 CORRECTIVE MAINTENANCE     Figure 5–1 – Interconnection board diagram 5–11   Figure 5–2 – Controller board diagram (above view) 5–12   Figure 5–3 – Power supply board diagram 5–13   Figure 5–4 – Measurement board diagram 5–15...
  • Page 100 AF22e Environnement Duplication prohibited Page intentionally left blank APRIL 2016 5–2...
  • Page 101 AF22e Environnement Duplication prohibited CORRECTIVE MAINTENANCE Analyzer corrective maintenance must be carried out only by qualified people using the information provided in this document. The monitor automatically and continuously performs self-tests of its main components. When any malfunction is detected: the alarm icon is displayed and blinks on the home page and in the menu bar of all software screens, next to the date and analyzer name.
  • Page 102 AF22e Environnement Duplication prohibited Table 5–1 – List of faults and corrective actions Alarm message Possible cause(s) Possible corrective action(s) (Min./Max. values) DAC out of range – Current measurements exceed the – Set a DAC range complying with the set DAC range.
  • Page 103 AF22e Environnement Duplication prohibited Alarm message Possible cause(s) Possible corrective action(s) (Min./Max. values) No gas pressure – Gas pressure sensor cable is – Connect gas pressure sensor cable. disconnected. Min. value: not present Max. value: present Gas pressure – If gas pressure is abnormally low: •...
  • Page 104 AF22e Environnement Duplication prohibited Alarm message Possible cause(s) Possible corrective action(s) (Min./Max. values) – If pump pressure is abnormally high: • • Pressure sensor is faulty. Replace pressure sensor. • • Check the fluid tubes. A fluid tube is unplugged.
  • Page 105 AF22e Environnement Duplication prohibited Alarm message Possible cause(s) Possible corrective action(s) (Min./Max. values) Internal temperature – Ambient temperature is not within – Install the analyzer in a 5-45°C the recommended range. thermo-controlled room. Min. value: 5°C Max. value: 50°C I UV lamp –...
  • Page 106 AF22e Environnement Duplication prohibited Alarm message Possible cause(s) Possible corrective action(s) (Min./Max. values) Supply fault – Supply board is faulty. – Replace supply board. Min. value: N.A. – Measurement board microcontroller – Replace measurement board. Max. value: N.A. is faulty.
  • Page 107 AF22e Environnement Duplication prohibited Page intentionally left blank APRIL 2016 5–9...
  • Page 108 AF22e Environnement Duplication prohibited Table 5–2 – Interconnection board configuration and LEDs description Jumpers Connections Controller board Power supply board Arm20 board (with ribbon cable) 24 V general power supply from 230 V/24 V supply box Gas pressure sensor board...
  • Page 109 AF22e Environnement Duplication prohibited Figure 5–1 – Interconnection board diagram JUNE 2016 5–11...
  • Page 110 AF22e Environnement Duplication prohibited Table 5–3 – Controller board configuration Jumpers Connections Main connector Tests points Signals 0 V (GND) 0 V (GND) Power supply +24 V Power supply +12 V Power supply +5 V Power supply +3,3 V Figure 5–2 – Controller board diagram (above view) JUNE 2016 5–12...
  • Page 111 AF22e Environnement Duplication prohibited Table 5–4 – Power supply board Jumpers CONNECTION Main connector Test point Signal 0 V (GND) Figure 5–3 – Power supply board diagram JUNE 2016 5–13...
  • Page 112 AF22e Environnement Duplication prohibited Table 5–5 – Measurement board test points, LEDs description and connections Jumpers Connections Ribbon cable towards Interconnection board Gas pressure sensor Measurement chamber temperature sensor Measurement chamber heating PM preamplifier board connector Photodiode board connector Test points...
  • Page 113 AF22e Environnement Duplication prohibited Figure 5–4 – Measurement board diagram JUNE 2016 5–15...
  • Page 114 AF22e Environnement Duplication prohibited Table 5–6 – Photodiode board configuration Jumpers Connections Main connector Tests points Signals 0 V (GND) Photodiode signal Figure 5–5 – Photodiode board diagram (above view) JUNE 2016 5–16...
  • Page 115 AF22e Environnement Duplication prohibited Table 5–7 – PM preamplifier board test points, LEDs description, connections and adjustments Jumpers Connections Measurement board link Potentiometer* Nature of adjustment PM signal amplification (high gain) PM signal offset (high gain) PM signal amplification (low gain)
  • Page 116 AF22e Environnement Duplication prohibited Table 5–8 – UV lamp power board test points, LEDs description and connections Jumpers Connections Ribbon cable to Interconnection board UV lamp connector Test points Signal 12 V supply 5 V supply PM setting I lamp LED N°...
  • Page 117 AF22e Environnement Duplication prohibited Table 5–9 – ARM20 board description Identification Functions LCD screen Interconnection board link Touchscreen Push button link Figure 5–8 – ARM20 board JUNE 2016 5–19...
  • Page 118 AF22e Environnement Duplication prohibited Page intentionally left blank JUNE 2016 5–20...

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