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AUTOFLAME MK8 EGA EVO Setup Manual

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Combustion Management Systems
MK8 EGA EVO
MM82004/E
Setup Guide
04.12.2019
Technical Manual

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Summary of Contents for AUTOFLAME MK8 EGA EVO

  • Page 1 Combustion Management Systems MK8 EGA EVO MM82004/E Setup Guide 04.12.2019 Technical Manual...
  • Page 2 Part No. MM82004/E 4 December 2019 This manual and all the information contained herein is copyright of Autoflame Engineering Ltd. It may not be copied in the whole or part without the consent of the Managing Director. Autoflame Engineering Ltd’s policy is one of continuous improvement in both design and manufacture. We therefore reserve the right to amend specifications and/or data without prior notice.
  • Page 3 The sale of Autoflame’s systems and equipment referred to in this Manual assume that the dealer, purchaser and installer has the necessary skills at his disposal. i.e. A high degree of combustion engineering experience, and a thorough understanding of the local electrical codes of practice concerning boilers, burners and their ancillary systems and equipment.

  • Page 4: Table Of Contents

    CONTENTS INSTALLATION AND WIRING ........................1 Mk8 EGA............................. 1 1.1.1 Inside View ..........................2 Fixing Holes and Dimensions ......................3 Technical Specifications ........................4 Standards............................4 Flying Lead Wiring ..........................5 1.5.1 EGA Connections ........................5 1.5.2 Flying Leads..........................6 Installing Sampling Probe and EGA ....................
  • Page 5 Set Clock............................55 Online Changes ..........................56 3.3.1 Settings ............................. 56 3.3.2 Fuel Setup ..........................56 3.3.3 Calibration Schedule ......................... 56 Run Times............................57 Diagnostics ............................58 System Log ............................59 Manual .............................. 60 Cell Information ..........................61 3.8.1 Cell Characteristics ......................62 3.8.2 CO, NO, NO and SO...
  • Page 6 Direct Modbus Settings ........................88 Modbus Addresses ........................... 88 SERVICING AND TROUBLESHOOTING ....................90 Servicing ............................90 6.1.1 Sampling Probe Maintenance ....................90 6.1.2 Servicing EGA Sampling Probe ....................91 Shipping ............................92 Fault Codes............................93 6.3.1 General Troubleshooting ......................95 6.3.2 Faults on MM ..........................

  • Page 7: Installation And Wiring

    Installation and Wiring INSTALLATION AND WIRING Mk8 EGA Mk8 EGA EVO Setup Guide Page | 1...

  • Page 8: Inside View

    3. Pinch valve 4. Drain solenoid 5. NO cell (optional) 6. SO cell (optional) 7. NO cell 8. O cell 9. CO cell 10. CO cell 11. Battery 12. Pump 13. Fan Mk8 EGA EVO Setup Guide Page | 2...

  • Page 9: Fixing Holes And Dimensions

    Installation and Wiring Fixing Holes and Dimensions Drawing No. 7976 Mk8 EGA EVO Setup Guide Page | 3...

  • Page 10: Technical Specifications

    • • US Low Water Level Limit Controls for Boilers: FM 7710 2003 The Mk8 EGA EVO is Manufactured and calibrated in compliance with the requirements of ISO 9001:2015 Quality Management System. Mk8 EGA EVO Setup Guide Page | 4...

  • Page 11: Flying Lead Wiring

    1.5.1 EGA Connections 1. Pre-heated air sensor connection 2. Exhaust temperature thermocouple connection 3. Sampling line connection 4. Mains flying leading connection 5. Data flying leading connection 6. Auxiliary flying lead connection Mk8 EGA EVO Setup Guide Page | 5...

  • Page 12: Flying Leads

    External Drain (24V) Unused *Note: If an external particulate filter is fitted, then the 24V DC power supply required for the external drain, comes from the EGA. Figure 1.5.2.iii Auxiliary (Insert Pin Mating View) Mk8 EGA EVO Setup Guide Page | 6...

  • Page 13: Installing Sampling Probe And Ega

    The sampling probe must be purchased separately to the EGA and is supplied with the sampling tube for the exhaust gases and the thermocouple. The sampling tube and thermocouple is available in the below standard lengths, however if a different length is required, please contact Autoflame. Sampling Probe...
  • Page 14 Installation and Wiring Drawing No. 7978 Figure 1.6.1.ii Sampling Probe Dimensions Mk8 EGA EVO Setup Guide Page | 8...

  • Page 15: Sampling Probe - Internal Layout

    Installation and Wiring 1.6.2 Sampling Probe – Internal Layout Figure 1.6.2.i Sampling Probe Internal Layout Mk8 EGA EVO Setup Guide Page | 9...

  • Page 16: Assembly Of Dry Filter

    The filter should always be dry, if any carryover of liquid or moisture is sent in the filter, please isolate the EGA and contact Autoflame Technical Support. Mk8 EGA EVO Setup Guide Page | 10...

  • Page 17: Sampling Probe Installation

    1. Install a 1.5” BSP socket on the flue where the sampling probe is to be positioned. a. If using the Autoflame draft control system, the sampling probe should be positioned after the stack damper and air pressure sensor.
  • Page 18 Figure 1.6.4.iii Correct installation of the sampling probe: the sample can flow down the sampling line with no restriction. Mk8 EGA EVO Setup Guide Page | 12...

  • Page 19: Ega Installation

    This EGA will come with the CO cell only (patent no: MM72004/NC) as this can only be fitted at Autoflame office. We recommend that the cells are replaced 12-18months for gas firing from manufacturing date and 6-12 months for heavy oil firing applications.

  • Page 20: Cable Specification

    Belden 9501 for 2-core shielded cable (1 twisted pair) Belden 9502 for 4-core shielded cable (2 twisted pairs) STC OS1P24 Samples are available upon request. Low voltage and data cable can be ordered directly from Autoflame Engineering, please contact Autoflame Sales. Mk8 EGA EVO Setup Guide...

  • Page 21: Wiring Schematics

    The data cable should be screened at the MM end and connected all the way to the EGA plug; the screen from the flying lead provided should be connected to the data cables that connect to the MM. Drawing No. 7980 Mk8 EGA EVO Setup Guide Page | 15...

  • Page 22: Connection Between Ega, Mm And Dti

    The data cable should be screened at the MM and DTI end and connected all the way to the EGA plug; the screen from the flying lead provided should be connected to the data cables that connect to the MM and DTI. Mk8 EGA EVO Setup Guide Page | 16...

  • Page 23: Connection Between Ega And Dti

    The data cable should be screened at the DTI end and connected all the way to the EGA plug; the screen from the flying lead provided should be connected to the data cables that connect to the DTI. Drawing No. 7979 Mk8 EGA EVO Setup Guide Page | 17...

  • Page 24: Ancillary Parts

    HFO is the secondary fuel, the EGA should not be monitoring the HFO exhaust. This can be achieved by simply isolating the EGA when the HFO fuel is selected to be fired. Mk8 EGA EVO Setup Guide Page | 18...

  • Page 25: External Particulate Filter

    We recommend that this external particulate filter be used for any heavy oil applications. Due to the nature of this product it can only be installed by Autoflame and cannot be fitted on site. The external particulate filter can be ordered with a new EGA or it can be ordered separately and fitted on site onto an existing Mk8 EGA Evo.

  • Page 26: Chilled Environmental Enclosure

    The temperature is user adjustable by means of a thermostat counted on the unit but is nominally set for 35°C (95°F), which ensures ideal operating conditions for the EGA. Autoflame also manufacture a heated enclosure for low temperature and for anti-condensing sites.
  • Page 27 Installation and Wiring Figure 1.8.3.ii EGA Chilled Environmental Enclosure Mk8 EGA EVO Setup Guide Page | 21...

  • Page 28: Pre-Heated Air Sensor

    – 752°F). The pre-heated air sensor will need to be enabled in Commission Mode setting 41, see section 2.2.1. Figure 1.8.4.ii Temperature Screen with Pre-Heated Air Sensor Enabled The EGA will separate the ambient temperature from the pre-heated air (inlet) temperature. Mk8 EGA EVO Setup Guide Page | 22...

  • Page 29: Commissioning Ega

    Exhaust Temperature Absolute Limit Please refer to the MM Installation and Commissioning Guides for full description of these settings. Please refer to section 4.3 for the 3-parameter trim function and section 4.5 for combustion limits. Mk8 EGA EVO Setup Guide Page | 23...
  • Page 30 Commissioning EGA When setting up a Mk8 EGA EVO with an MM, it must be ensured that both EGA and MM are setup with the same type of communication via Setting 40 on the EGA and Parameter 10 on the MM.

  • Page 31: Standalone Ega

    When adding boilers on the DTI, they should be set up to ‘MM not fitted’ and ‘EGA fitted’ on the DTI. Please refer to the DTI Setup Guide for more information on adding EGAs to the DTI. Mk8 EGA EVO Setup Guide Page | 25...

  • Page 32: Ega Settings

    Commissioning EGA EGA Settings Figure 2.2.i Sampling Screen When the EGA is first powered up and has loaded the data, the Sampling screen will appear. Press on to access the System Configuration screen. Mk8 EGA EVO Setup Guide Page | 26...
  • Page 33 EGA ID number (set in Commission Mode setting 2) • Date of last service • Date of next service • Bootloader software version • • EB software version Display software version • Mk8 EGA EVO Setup Guide Page | 27...
  • Page 34 Upload EGA settings to the unit • • Calibration schedule Reset cells to factory calibration • Reset fuel run times, pump history, service interval period, calibration drift • Reset system log and fault log • Mk8 EGA EVO Setup Guide Page | 28...

  • Page 35: Commission Mode Settings

    Commission Menu to access the Commission Mode settings. The settings are grouped together in tabs: Base, Cells, Calibration, Back Box, System and Vendor. Once settings have been changed, press to return to the Commission Menu screen. Mk8 EGA EVO Setup Guide Page | 29...
  • Page 36 If a custom logo is stored on the data SD card in the EGA, then after this timer elapses in idle mode, the custom logo will appear on the screen. Disabled 1 – 3600 Seconds Mk8 EGA EVO Setup Guide Page | 30...
  • Page 37 50 – 100 50 – 100 % Minimum NO Fraction of NO (if NO cell fitted) Please contact Autoflame Engineering Ltd for more information. 0 – 10 0 – 10 % Reference O Concentration The NO can be displayed normalised to a specific O value on the EGA sampling screen.
  • Page 38 If a single cell calibration reaches 4 times the calibration limit or if it reaches 2 times the limit for 5 consecutive days, an excess drift fault will occur. Disabled 1 – 1000 Mk8 EGA EVO Setup Guide Page | 32...
  • Page 39 Mk8 Protocol (RS485). If the EGA is connected to a Mk7 MM or Mini Mk7 MM, then this setting should be set to Legacy, and parameter 10 on the MMs should be set to Mk8 rev 3. Mk8 Protocol (RS485) Mk8 Protocol (Legacy) Mk8 EGA EVO Setup Guide Page | 33...
  • Page 40 If an EGA is to be installed prior to the MM, then this setting allows the EGA to run without a fuel flow meter input for CEMS logging. Fuel Flow Threshold (3%) Mk8 EGA EVO Setup Guide Page | 34...
  • Page 41 Modbus communication program. No parity Odd parity Even parity Vendor Details Line 1 Enter Vendor Name Vendor Details Line 2 Enter Address Details (Street) Vendor Details Line 3 Enter Address Details (Town /City /Zip) Mk8 EGA EVO Setup Guide Page | 35...
  • Page 42 Range Description Vendor Details Line 4 Enter Contact Details (Phone /Email Address) Unused Unused Unused Unused Unused Unused Factory Restore 0 – 100 Setting 5 will reset all settings to factory default. Mk8 EGA EVO Setup Guide Page | 36...

  • Page 43: Fuel Setup Settings

    Commission Menu screen to access the Fuel Setup settings. The settings are grouped together in tabs by fuel 1, fuel 2, fuel 3 and fuel 4. Once settings have been changed, press to return to the Commission Menu screen. Mk8 EGA EVO Setup Guide Page | 37...
  • Page 44 0.00 – 655.35 fuel flow meter units set in setting 5 Fuel 1: Fuel Flow Meter Max at 20mA 0 – 65535 0.00 – 655.35 fuel flow meter units set in setting 5 Unused Unused Unused Mk8 EGA EVO Setup Guide Page | 38...
  • Page 45 0.00 – 655.35 fuel flow meter units set in setting 15 Fuel 2: Fuel Flow Meter Max at 20mA 0 – 65535 0.00 – 655.35 fuel flow meter units set in setting 15 Unused Unused Unused Mk8 EGA EVO Setup Guide Page | 39...
  • Page 46 0.00 – 655.35 fuel flow meter units set in setting 25 Fuel 3: Fuel Flow Meter Max at 20mA 0 – 65535 0.00 – 655.35 fuel flow meter units set in setting 25 Unused Unused Unused Mk8 EGA EVO Setup Guide Page | 40...
  • Page 47 0.00 – 655.35 fuel flow meter units set in setting 35 Fuel 4: Fuel Flow Meter Max at 20mA 0 – 65535 0.00 – 655.35 fuel flow meter units set in setting 35 Unused Unused Unused Mk8 EGA EVO Setup Guide Page | 41...
  • Page 48 0.00 Digester Gas 19.09 0.80 60.41 13.40 0.00 Heavy Fuel Oil #6 42.23 0.96 88.30 9.30 0.85 Light Fuel Oil #2 44.25 0.83 87.30 12.50 0.20 Propane 50.27 1.52 81.60 18.40 0.00 Mk8 EGA EVO Setup Guide Page | 42...

  • Page 49: Analogue Setup Settings

    The Analogue Setup settings are grouped together in tabs as Output 1, Output 2, Output 3, Output 4, Output 5 and Output 6. Once settings have been changed, press to return to the Commission Menu screen. Mk8 EGA EVO Setup Guide Page | 43...
  • Page 50 C Temperature 0 – 10000 0.0 – 1000.0 F Temperature 0 – 1000 0.0 – 100.0 % Efficiency 0 – 1 0 = Off – 1 = On EGA Status Unused Unused Mk8 EGA EVO Setup Guide Page | 44...
  • Page 51 C Temperature 0 – 10000 0.0 – 1000.0 F Temperature 0 – 1000 0.0 – 100.0 % Efficiency 0 – 1 0 = Off – 1 = On EGA Status Unused Unused Mk8 EGA EVO Setup Guide Page | 45...
  • Page 52 C Temperature 0 – 10000 0.0 – 1000.0 F Temperature 0 – 1000 0.0 – 100.0 % Efficiency 0 – 1 0 = Off – 1 = On EGA Status Unused Unused Mk8 EGA EVO Setup Guide Page | 46...
  • Page 53 C Temperature 0 – 10000 0.0 – 1000.0 F Temperature 0 – 1000 0.0 – 100.0 % Efficiency 0 – 1 0 = Off – 1 = On EGA Status Unused Unused Mk8 EGA EVO Setup Guide Page | 47...
  • Page 54 C Temperature 0 – 10000 0.0 – 1000.0 F Temperature 0 – 1000 0.0 – 100.0 % Efficiency 0 – 1 0 = Off – 1 = On EGA Status Unused Unused Mk8 EGA EVO Setup Guide Page | 48...
  • Page 55 C Temperature 0 – 10000 0.0 – 1000.0 F Temperature 0 – 1000 0.0 – 100.0 % Efficiency 0 – 1 0 = Off – 1 = On EGA Status Unused Unused Mk8 EGA EVO Setup Guide Page | 49...

  • Page 56: Commissioning Mm With Ega

    Change. Ensure that option 12 is now set to trim. Once in single point change you will then be able to activate the trim by pressing the ‘trim’ button when on a particular point. Mk8 EGA EVO Setup Guide Page | 50...

  • Page 57: Calibration Schedule

    Figure 2.4.i Calibration Schedule (clear) Press in the Commission Menu screen shown in Figure 2.2.iii to access the Calibration Schedule screen. Alternatively, press in the System Configuration screen and enter the Online Changes password. Mk8 EGA EVO Setup Guide Page | 51...
  • Page 58 To force an air calibration, either trigger this on the MM, or in the System Configuration screen, see section 3.9. Note: An air calibration schedule must be set for the health life % to display in the Cell Information screen, see section 3.8. Mk8 EGA EVO Setup Guide Page | 52...

  • Page 59: Resetting Data

    Press and hold for 3 seconds to reset the calibration drift data. Press and hold for 3 seconds to reset the system log. Press and hold for 3 seconds to reset the fault log. Mk8 EGA EVO Setup Guide Page | 53...

  • Page 60: System Configuration

    Selection screen. Select the desired language and then press to save the selection and return to the System Configuration screen. If the language required is not displayed, please contact your local Autoflame representative or Autoflame Sales. Mk8 EGA EVO Setup Guide...

  • Page 61: Set Clock

    Note: Changing the time and date will affect the logged exhaust and fuel flow data, so it is recommended to set the clock when the EGA is installed and then leave it at that time and date setting. Mk8 EGA EVO Setup Guide Page | 55...

  • Page 62: Online Changes

    System Configuration screen. 3.3.3 Calibration Schedule Press in the System Configuration screen. Enter the Online Changes password to access the Calibraiton Schedule screen, see section 2.4. Mk8 EGA EVO Setup Guide Page | 56...

  • Page 63: Run Times

    • Fuel run times Power on time • • Fitted cell run times EGA pump run time • Press to go back to the System Configuration screen. Mk8 EGA EVO Setup Guide Page | 57...

  • Page 64: Diagnostics

    CO cell raw reading NO cell raw reading • • cell raw reading cell raw reading • cell temperature • • Messages sent to MM per minute Messages sent to DTI per minute • Mk8 EGA EVO Setup Guide Page | 58...

  • Page 65: System Log

    System Configuration screen to access the System Log. The System stores 1000 entries of changes or any faults that have occurred, including: • Errors and warnings Settings which have been changed • • Service intervals Fuel selection • • EGA turned on/off Mk8 EGA EVO Setup Guide Page | 59...

  • Page 66: Manual

    System Configuration Manual Figure 3.7.i Manual Press in the System Configuration screen to access the Manual screen. Mk8 EGA EVO Setup Guide Page | 60...

  • Page 67: Cell Information

    Last span calibration date, source, concentration, raw reading, temperature and total number of span • calibrations (and pressure of span calibration for CO cell) Note: The health % of the cell will only show in the air calibration has been set, see section 2.4. Mk8 EGA EVO Setup Guide Page | 61...

  • Page 68: O 2 Cell Characteristics

    Cells will need to be changed every 9 to 12 months firing on gas, and 6 to 9 months firing on oil. Please see section 2.5.2 on resetting previous cell run times after changing the cell. Mk8 EGA EVO Setup Guide Page | 62...

  • Page 69: Co, No, No And So Cell Characteristics

    Please see section 2.5.2 on resetting previous cell run times after changing the cell. Note: The NO and SO values will display on the EGA sampling screen as calculated values if the NO cells are not fitted. Mk8 EGA EVO Setup Guide Page | 63...

  • Page 70: Co2 Sensor

    3.8.3 CO2 Sensor The CO sensor is manufactured in-house at Autoflame; the technology used is non-dispersive Infra-red. This sensor has no moving parts and is not an electrochemical cell. The accuracy of the reading is ±0.3% of the reading. The cross-sensitivity is virtually zero to other gases due to the method of calibration within the EGA unit.

  • Page 71: Ega Operation

    , and they must be fitted at the factory. If the SO and NO cells are not fitted, then the EGA will calculate these values based on the exhaust gases and fuel composition. Mk8 EGA EVO Setup Guide Page | 65...

  • Page 72: Temperature

    This data can be downloaded from the EGA and exporting into an Excel spreadsheet, please refer to the PC Software Guide for more information. Mk8 EGA EVO Setup Guide Page | 66...

  • Page 73: Emissions

    This data can be downloaded from the EGA and exporting into an Excel spreadsheet, please refer to the PC Software Guide for more information. Mk8 EGA EVO Setup Guide Page | 67...

  • Page 74: Pressure

    This data can be downloaded from the EGA and exporting into an Excel spreadsheet, please refer to the PC Software Guide for more information. Mk8 EGA EVO Setup Guide Page | 68...

  • Page 75: Fuel Flow

    This data can be downloaded from the EGA and exporting into an Excel spreadsheet, please refer to the PC Software Guide for more information. Mk8 EGA EVO Setup Guide Page | 69...

  • Page 76: Faults

    Sampling screen to access the fault log. Errors will display on the EGA and stop the EGA from sampling, whereas Warnings display on the EGA but do not stop the EGA from sampling. Please see section 5 for more information on faults and troubleshooting. Mk8 EGA EVO Setup Guide Page | 70...

  • Page 77: Ega Overview

    Note: The EGA needs to vent to atmosphere via the drain solenoid on the bottom; this is also where the EGA performs its air calibrations. Care should be taken to ensure the outlet is not restricted nor that contamination from exhaust gas occurs. Mk8 EGA EVO Setup Guide Page | 71...

  • Page 78: Overview Of 3-Parameter Trim

    ‘quick commission.’ This trim data is translated into a combustion map, which shows how the burner reacts when air is added or removed from the combustion process during commissioning. The Autoflame system continually monitors 3-parameters O , CO and CO to create the safest and most efficient way of trimming the combustion process.

  • Page 79: Ega Trim Function

    The residence time is typically longer at low fire than at high fire due to the volume of the gases passing through the boiler. Mk8 EGA EVO Setup Guide Page | 73...

  • Page 80: Importance Of Measuring 3-Parameters

    CO. The Autoflame analyser measures the increasing CO value and ensures that the air damper does not continue to close.

  • Page 81: Trim Correction Calculation

    CO (x1). This combined correction is then added to the running total correction and applied to the air channel. The total correction is limited by an option value set by default to ±10% for safety. Mk8 EGA EVO Setup Guide Page | 75...
  • Page 82 Using linear interpolation the adjustments that would give rise to these concentrations are calculated: 3.5% O 3.4% 2.8% 6.3% Trim 10.2% 9.7% CO 9.7% 3.3% Trim CO ppm 8ppm 5ppm 0ppm 2ppm CO 3.0% Trim Mk8 EGA EVO Setup Guide Page | 76...

  • Page 83: Trim Timing Operation

    52.0° a correction of -2.1° would be applied resulting in an air servo angle of 49.9°. 4.3.4 Trim Timing Operation Figure 4.3.4.i Trim Timing Operation If a calibration is due during the trim cycle, the MM will delay the calibration until the cycle has ended. Mk8 EGA EVO Setup Guide Page | 77...

  • Page 84: Channel 5 Trim (Mk8 Mm Only)

    160 seconds. The total time before trim is applied is 200 seconds (option 32 + parameter 8); this will also depend on the boilers residence time. Mk8 EGA EVO Setup Guide Page | 78...

  • Page 85: Combustion Efficiency Calculations

    %�������������������������������� ���� ���� ���������������� ���� ���� ���� ������������ = 100 − � ( �������� − �������� ) × � + ������ 20.9% − ���� ���� = 0.66 ���� = 0.68 Natural Gas (F1/4) Fuel Oil (F2/F3) ���� = 0.009 ���� = 0.007 Natural Gas (F1/F4) Fuel Oil (F2/F3) Mk8 EGA EVO Setup Guide Page | 79...

  • Page 86: Combustion Limits

    MM module, the system will remain in a lockout condition. The following figures give a graphical presentation of how the standard limits of combustion works. Mk8 EGA EVO Setup Guide Page | 80...

  • Page 87: O Combustion Limits

    (depending on the terminal 79 operation) when the actual O value dropped below 2% offset from the commissioned value. If the absolute lower limit was set to 3%, the burner would alarm when the actual O value dropped below 3%. Mk8 EGA EVO Setup Guide Page | 81...

  • Page 88: Combustion Limits

    (depending on the terminal 79 operation) when the actual NO value rose above 20ppm offset from the commissioned value. If the absolute higher limit was set to 40ppm, the burner would alarm when the actual NO value rose above 40ppm. Mk8 EGA EVO Setup Guide Page | 82...

  • Page 89: Co Combustion Limits

    (depending on the terminal 79 operation) when the actual CO value rose above 20ppm offset from the commissioned value. If the absolute higher limit was set to 20ppm, the burner would alarm when the actual CO value rose above 20ppm. Mk8 EGA EVO Setup Guide Page | 83...

  • Page 90: Temperature Limits

    100 F offset from the commissioned value. If the absolute higher limit was set to 500 F, the burner would alarm when the actual exhaust temperature value rose above 500 Mk8 EGA EVO Setup Guide Page | 84...

  • Page 91: Emission Gases Data Logging Units

    The EGA stores emissions and other data internally for a period of up to 3 years, these data can be downloaded from the EGA and exported into an Excel spreadsheet via IR lead using Autoflame Download Manager software. Please refer to the Autoflame PC Software Guide for full details.
  • Page 92 EGA Operation Figure 4.7 ii: selecting and downloading long term data from the EGA Mk8 EGA EVO Setup Guide Page | 86...

  • Page 93: Remote Monitoring

    Direct Modbus feature available on the Mk8 EGA Evo. There are limited number of Modbus addresses available on the Mk8 EGA Evo which can be accessed directly without the need for a DTI. Direct Modbus can be used if the EGA is set to Standalone (Setting 1 option 0). It is not possible to use Direct Modbus if the EGA is controlled by an MM (Setting 1 option 1).

  • Page 94: Direct Modbus Settings

    0 to 65534 and do not contain decimal points i.e. channel 1position 4x Read/Write analogue outputs – variable adjustments Modbus value is 900 which is equivalent to 90.0 Mk8 EGA EVO Setup Guide Page | 88...
  • Page 95 CO CONCENTRATION 30605 NO CONCENTRATION 30606 SO2 CONCENTRATION 30607 EXHAUST TEMPERATURE 30608 EFFICIENCY 30609 ERROR NUMBER 30611 DELTA TEMPERATURE 30612 AMBIENT TEMPERATURE 30613 PRE HEAT TEMPERATURE 30615 NO2 CONCENTRATION 30616 AMBIENT PRESSURE Mk8 EGA EVO Setup Guide Page | 89...

  • Page 96: Servicing And Troubleshooting

    Due to the technology used within the Autoflame E.G.A, to ensure accurate and reliable operation the EGA requires annual servicing. Servicing the EGA and sampling probe is crucial to maintain the correct operation of the EGA and must be done regularly.

  • Page 97: Servicing Ega Sampling Probe

    12. Use a small rod to pack the material down a little at a time. 13. Reassemble by sliding the assembly into the casing and screw together. After reassembly connect the probe to the EGA and check the pump pressure and flow. Mk8 EGA EVO Setup Guide Page | 91...

  • Page 98: Shipping

    Ensure that couriers treat the package appropriately and label it as containing a delicate scientific instrument. If the EGA is damaged in transit, repair costs will be incurred. Please contact Autoflame or your local Tech Centre to obtain new Autoflame EGA packaging. Mk8 EGA EVO Setup Guide...

  • Page 99: Fault Codes

    Check the pressure regulator for the gas supply. • HSL Out of Range Warning Heated Sample (HSL) temperature is out range. • Check the HSL supply fuse and check the connections • Mk8 EGA EVO Setup Guide Page | 93...
  • Page 100 Check the connections on the thermocouple and the pre-heated air sensor Pressure Sensor Error • The displayed pressure sensor is faulty. Please contact Autoflame or local approved Autoflame tech centre. • Chemical Sensor Error The displayed chemical cell is faulty, check the connections.

  • Page 101: General Troubleshooting

    When first going into commissioning mode, the MM invokes an EGA calibration. If an error occurs at this stage it will be necessary to investigate and resolve the error before restarting the commissioning procedure. Mk8 EGA EVO Setup Guide Page | 95...
  • Page 102 A combustion limit error will occur if the current exhaust value has crossed the combustion limit for the number of trim cycles set in parameter 17 (the default value is 3 cycles). Mk8 EGA EVO Setup Guide Page | 96...
  • Page 103 Technical Manual Mk8 EGA EVO Part#. MM82004/E 4 December 2019 AUTOFLAME ENGINEERING LTD Unit 1-2, Concorde Business Centre Airport Industrial Estate, Wireless Road Biggin Hill, Kent TN16 3YN United Kingdom Tel: +44 (0)1959 578 820 Email: technicalsupport@autoflame.com Website: www.autoflame.com Combustion Management Systems...

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