Lamtec LT1 Quick Reference For End User
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Lamtec LT1 Quick Reference For End User

Lamtec LT1 Quick Reference For End User

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Quick Reference for End Users
LT1 Lambda Transmitter
Sensors and Systems for Combustion Engineering
www.lamtec.de

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Summary of Contents for Lamtec LT1

  • Page 1 Quick Reference for End Users LT1 Lambda Transmitter Sensors and Systems for Combustion Engineering www.lamtec.de...

  • Page 3: Table Of Contents

    Table of Contents Table of Contents Important Information about the Manual ........5 Validity of these Instructions .
  • Page 4 Table of Contents Maintenance Schedule ..........38 7.1.1 Check Measurement .
  • Page 5 Table of Contents Analogue Output Card ..........86 Other Details, Dimensions .

  • Page 6: Important Information About The Manual

    This Operating Manual explains the functioning, mounting, installation, maintenance and op- eration of the Lambda Transmitter LT1. Other booklets, such as Product Information for exam- ple, provide further information but must never be used as a substitute for this Operating Manual.

  • Page 7: Standards, Directives And Approvals

    Important Information about the Manual Standards, Directives and Approvals The Lambda Transmitter LT1 complies with the following standards and rules: European directives: 2014/30/EU EMC - Directive 2014/35/EU Low Voltage Directive 2011/65/EU RoHS Harmonised European standards: DIN EN 61326-1: 2013-07 DIN EN 61010-1: 2011-07...

  • Page 8: General Safety Instructions

    General Safety Instructions General Safety Instructions For Your Safety 2.1.1 Explanation of the Symbols in the Safety Notes The following symbols are used in this document to draw the user's attention to important safe- ty information. They are located at points where the information is required. It is essential that the safety information is observed and followed, and that applies particularly to the warnings.

  • Page 9: Proper Use - Conditions Of Use

    General Safety Instructions 2.1.2 Proper Use - Conditions of Use Application The LT1 Lambda Transmitter is an O measuring instrument for the continuous measurement of O concentration in non-combustible gases in the super-stoichiometric domain, in conjunc- tion with the LS1 Lambda Probe.

  • Page 10: Permissible Users

    User groups It is assumed that the Lambda Transmitter LT1 is handled by two groups of users: Service technicians from LAMTEC or their OEM customers, or qualified customer person- nel: qualified technicians/engineers with very good knowledge of the system.

  • Page 11: Safety Equipment/Safety Measures

    To avoid damage, always observe the respective security notices. Preventive measures for improving operating safety If the LT1 is used in conjunction with control and monitoring technology, the operator must en- sure that any breakdown or failure of the LT1 device does not cause inadmissible damage or dangerous operating states.

  • Page 12: Important Notes On Shutdown/Return To Service

    General Safety Instructions 2.1.6 Important Notes on Shutdown/Return to Service The Lambda Transmitter and the Lambda Probe form a high quality electronic system. Treat them with care at all times, including during shut-down, transport and storage. Shut-down NOTICE Do not switch the Lambda Transmitter off as long as the Lambda Probe is mounted; including when the relevant facility has been shut down.

  • Page 13: General Description

    General Description General Description System Overview The Lambda Transmitter LT1 is a universal, microprocessor-based measuring device for di- rectly measuring the O concentration in the super-stoichiometric range (λ > 1) in combination with the proven Lambda Probe LS1. The Combination Probe KS1 can be connected for measuring combustible Gas constituents...

  • Page 14: Labelling

    General Description Labelling Serial number ID number Voltage (only for special voltages) Performance test no. Device configuration:...

  • Page 15: Technical Description

    Technical Description Technical Description Components On/off switch Processor board PC interface Automatic calibrating device (optional) Pump protection filter with condensate tank Measuring gas pump Display and operating unit (optional)

  • Page 16: Lambda Probe Ls1

    Technical Description 4.1.1 Lambda Probe LS1 Insulating moulding (external) Lambda probe LS1 Probe installation fitting (PIF) Preliminary filter heating system (optional) GED heating system (optional) Preliminary filter PIF Flange gasket LS1/PIF Gas extraction device (GED) Sampling filter...

  • Page 17: Construction And Terminal Assignment

    Technical Description 4.1.2 Construction and Terminal Assignment Fig. 4-1 Mounting principle with integral measuring gas pump and calibration unit into LT1 for installation under roof. Measurement gas temperature > Water as well as acid dew point Max. 400 °C | 752 °F, the Probe Installation Fitting (PIF) must be set back when the measuring gas temperature is high Probe Installation Fitting (PIF) type 655R0083 ...
  • Page 18 Lambda Probe LS1 type 655R0031/0034 Calibrating gas connection Calibration gas pipe Transmitter protection box Lambda Transmitter LT1 type 657R002 design external measuring gas pump, dis- play and operating unit Display and operating unit (Option) Condensate trap/Connection pressure sensor LT Probe connection box with measuring gas pump and calibration unit...

  • Page 19: Designation And Assignment Of The Connections

    Technical Description 4.1.3 Designation and Assignment of the Connections Connection to: Lambda Transmitter LT1 Lambda Probe LS1 / PIF Others 1 PC interface Remote display software 2 Connection for probe connector 13 Connection for LS1 connector 3 Inlet measuring gas pump (connected to 8)

  • Page 20: Shutdown And Waste Disposal

    Technical Description Connection to: Lambda Transmitter LT1 Lambda Probe LS1 / PIF Others 5 Calibrating gas inlet Calibrating gas (air) 6 Pressure sensor 10 Pressure sensor 7 Measuring gas outlet 12 Exhaust gas return path 8 Filter output (connected to 9)

  • Page 21: Operating Control And Displays

    Operating Control and Displays Operating Control and Displays Processor Board Multi-Function Pushbutton All basic functions can be performed using the multi-function pushbutton and maintenance switch. 1 DIP switch (jumper before May 2000) 2 Multifunction pushbutton 3 Maintenace switch 4 LED-Display...

  • Page 22: Led-Display

    Operating Control and Displays 5.1.1 LED-Display Legend: LED is off is flashing is illuminated LED1 Maintenance Normal operation Maintenance mode active LED2 LED3 LED4 Heating system monitoring facility Heating control active Heating with fixed voltage LED5 Operating mode display Calibration Measurement LED6 Status display...

  • Page 23: Multi-Function Pushbutton

    Operating Control and Displays 5.1.2 Multi-function Pushbutton Function: Operate push- button: Switch from the warning / fault displayed briefly Reset the warning / fault displayed 3 s. * Quick-start measuring gas pump, abort cold-start 3 s/6 s** Initiate calibration (in measuring mode) 3 s/6 s** * Some warnings/faults cannot be reset if the fault is still present or the routine continues ** If more than one warning/fault is present, the pushbutton must be pressed for 6 sec-...

  • Page 24: Monitor Output

    Operating Control and Displays Monitor Output The following measurement values can be interrogated via terminals 31 and 32: • measurement value • Probe voltage • Probe current Measurement Conversion DIP switch measurement value 0...2,5 V -> 0...25% O2 Probe voltage 0...1,4 V ->...

  • Page 25: Remote-Display-Software (Option)

    Operating Control and Displays Remote-Display-Software (Option) Instructions are included in the software Display and Operating Unit Brightness and contrast: Contrast +: Contrast -: Brightness Brightness -: Limit values: GW 1 Limit value has not been reached GW 3 Limit value has been exceeded NOTICE The limit values (GW 1 to GW 4) will only be displayed if limit value monitoring has been acti- vated.

  • Page 26: Menu Functions

    Operating Control and Displays 5.5.1 Menu Functions...
  • Page 27 Operating Control and Displays...
  • Page 28 Operating Control and Displays...
  • Page 29 Operating Control and Displays...
  • Page 30 Operating Control and Displays...
  • Page 31 Operating Control and Displays...

  • Page 32: Variable Parameters At Operating And Customer Level

    Operating Control and Displays 5.5.2 Variable parameters at operating and customer level Operating level Measurement values P 0001 – 0016 Operating data P 0046 – 0056 Meters and times P 0070 – 0072 -measurement value configuration P 0360 Measurement value configuration P 0713 –...
  • Page 33 Operating Control and Displays Measurement values P 0001 – 0016 Measurement value configuration P 0713 – 0813 Operating data P 0040 – 0056 Fuel configuration P 0835 Meters and times P 0070 – 0072 Limit values P 0910 – 0917 Commands P 0104 –...

  • Page 34: Operation

    LS1 must be removed together with the PIF! Decommissioning CAUTION! Do not switch off the LT1 while the LS1 is still installed, not even when the system is shut- down. Residual gases lead to corrosion and can cause damages to system parts. During disassembly: ...

  • Page 35: Practical Information

    Operation Practical Information 6.5.1 Damping for Jumping Display Values If values are found to be jumping, the display can be damped. Damping is specified via: • Parameter 360 for O measurement (release level for operation) • Parameter 441 for pressure measurement (release level for customer) NOTICE ...

  • Page 36: Measurement In Wet And Very Contaminated Exhaust Gas

    Operation 6.5.2 Measurement in Wet and Very Contaminated Exhaust Gas NOTICE Never draw exhaust gas through cold probe. This can lead to a blockage of the “critical nozzle”. Observe heating-up time! • Observe heating up time: – for gas and fuel oil EL 1 hour –...

  • Page 37: Wet/Dry Measurement Deviations, Conversion Table

    Wet/Dry Measurement Deviations, Conversion Table NOTICE The LT1 carries out measurements directly in the humid flue gases (wet measurement). When extractive devices are used, flue gases are removed and prepared. "Dry Measurements" are normally used here, since the humidity has been extracted from the flue gas.

  • Page 38: Measurement Value Deviations Due To Changes In Pressure

    Operation 6.5.4 Measurement Value Deviations due to Changes in Pressure The measurement value is controlled by pressure. The error influence is 1.3 % of the meas- urement value for each 10 mbar by which the pressure changes. Example: Meas. value 21 Vol.

  • Page 39: Maintenance

    Maintenance Maintenance Maintenance Schedule 7.1.1 Check Measurement Checking of the measurement is carried out according to the application in each case: • weekly • monthly • quarterly 7.1.2 Replace Wear Parts Average service life Lambda Probe LS1 2 - 4 years measuring gas pump 2 - 3 years Diaphragm (pump)
  • Page 40 Maintenance Maintenance II (half-yearly) Maintenance I In addition, check pump: Negative pressure: more or equal to 0.6 bar less or equal to 0.4 bar absolute Pressure switch operating 0.45 … 0.58 bar negative pressure point Maintenance III (yearly) Maintenance I and II In addition Clean pump head;...

  • Page 41: Draining Off The Condensate

    Maintenance 7.1.4 Draining off the Condensate  See chapter 7.1.10 Determining the Pump Operating Time.

  • Page 42: Replacing The Pump Protection Filter

    Maintenance 7.1.5 Replacing the Pump Protection Filter...
  • Page 43 Maintenance  See chapter 7.1.10 Determining the Pump Operating Time.

  • Page 44: Removing The Measuring Gas Pump

    Maintenance 7.1.6 Removing the Measuring Gas Pump...

  • Page 45: Installing The Measuring Gas Pump

    Maintenance 7.1.7 Installing the Measuring Gas Pump  See chapter 7.1.10 Determining the Pump Operating Time. NOTICE The operating time and the number of cycles for the measuring gas pump can be integrated via parameters 78 and 80. Recommendation: After changing the pump, reset the operating time and the number of cycles via parameter 105.

  • Page 46: Dismantling The Pump Head

    Maintenance 7.1.8 Dismantling the Pump Head CAUTION! None of the valves can be changed in the pumps designed for use with aggressive measuring gases. The whole pump chamber will have to be changed. When converting to moulded diaphragms, the connecting rod must also be replaced.

  • Page 47: Cleaning The Pump Head

    Maintenance 7.1.9 Cleaning the Pump Head Do not use hard objects to clean the valve blocks. Do not use solvent. Replace hardened rubber parts. 7.1.10 Determining the Pump Operating Time It is necessary to determine the pump operating time after: •...

  • Page 48: Replacing The Probe

    Maintenance Replacing the Probe With automatic calibrating device: Remove defective probe from PIF, see chapter 7.2 Replacing the Probe. Install GED in new probe, see chapter 7.2.4 Installing the GED. Install new probe in PIF, see chapter 7.2.2 Installing the Probe. Reset probe heating controller to basic value, see chapter 7.2.6 Resetting the Probe Heat- ing Controller to the Basic Value.

  • Page 49: Removing The Probe

    Maintenance 7.2.1 Removing the Probe...

  • Page 50: Installing The Probe

    Maintenance 7.2.2 Installing the Probe Only use once!

  • Page 51: Removing The Ged

    Maintenance 7.2.3 Removing the GED...

  • Page 52: Installing The Ged

    Maintenance 7.2.4 Installing the GED...

  • Page 53: Checking And Calibrating The Probe

    Maintenance 7.2.5 Checking and Calibrating the Probe...

  • Page 54: Resetting The Probe Heating Controller To The Basic Value

    Maintenance Digital input (factory setting: input 2) 7.2.6 Resetting the Probe Heating Controller to the Basic Value Command executed Parameter 104 (change probe)

  • Page 55: Completion Of Probe Record Card

    Maintenance 7.2.7 Completion of Probe Record Card Probe Record Card, back Checks Datum -Wert Sondenstrom Heizleistung Abgeglichen Bemerkungen Date value Probe current LS1/heat output Recalibrated Remarks bei Umgebungsluft (Parameter 54) nein in ambient air 14.1.98 20,5 20,9 7.2.8 Activating Service Warnings Parameter 1260, 1261...

  • Page 56: Faults/Warnings

    Faults/Warnings Faults/Warnings Messages appear in clear text Display via Processor Board Call up faults and warnings Display the next fault/warning: Warnings Legend: LED is off is flash- is illuminated Warnings No warning Defect in probe heating controller Sintered metal preliminary filter dirty Flow rate too low, probe <...
  • Page 57 Faults/Warnings Warnings Temperature measurement LS1 incorrect Not assigned Not assigned Probe current restriction LS1 active Mains voltage too high/too low Determination of operating time for measuring gas pump active Probe current not constant during calibration Analogue input 1: input value too high/low Analogue input 2: input value too high/low Analogue input 3: input value too high/low Analogue input 4: input value too high/low...

  • Page 58: Faults

    Faults/Warnings Faults Legend: LED is off is flashing is illuminated Fault No fault Probe defective Flow rate too low probe < 200 mA Partial vacuum (measuring gas pump) Probe heating system defective Broken wire in probe or CO peak Calibrating/measuring gas pump (excessive drawing of current) Probe current not constant (test gas) Test gas/to purge...
  • Page 59 Faults/Warnings > 3 s/fault Digital input (factory setting: input 5)

  • Page 60: Cause Of Fault

    Fuse F 206 and F 207 Check fuses Probe heater defective Check probe heater If defective, replace probe Fault in electronics Change LT1 Probe wire breakage CO peak > 10.000 ppm Probe not connected Connect probe Fuses F 208 defective...
  • Page 61 Internal faults in the electronics Defect on processor board Replace processor board Heating control system defective Fuse F206 Check fuse, if necessary send LT1 to be repaired Switch-over to a fixed voltage of 29 VAC as an emergency power supply Preliminary filter dirty...
  • Page 62 Probe current greater than1000 mA Electrical connection of the probe Check connection Electronics (probe voltage control Send LT1 to be repaired system defective) Mains voltage too high or too low With mains voltage fluctuations < Send LT1 to be repaired 15%: defect in the mains voltage...

  • Page 63: Information On The Faults

    Faults/Warnings Fault/warning message Possible cause Troubleshooting information Service warning 1/ Service warning 2 The service warnings serve to indi- cate regular services. The service warnings are deactivated at the fac- tory. Dynamic test initiated See probe dynamics No activity required The dynamic test is deactivated at the factory 8.3.4...

  • Page 64: Troubleshooting

    Faults/Warnings Troubleshooting 8.4.1 Replace the Processor Board...

  • Page 65: Checking The Tightness Of Seal Of The Lambda Probe Ls1

    Faults/Warnings 8.4.2 Checking the Tightness of Seal of the Lambda Probe LS1 1. Remove the probe (see chapter 7.2 Replacing the Probe) 2. Connect the probe 3. Select operating mode 4. Remove GED (see chapter 7.2.3 Removing the GED) 5. Connect the pressure gauge Partial vacuum gauge Order no.: type 652R0230 Probe is leakproof...

  • Page 66: Check The Measuring Gas Hose For Leaks

    Faults/Warnings 8.4.3 Check the Measuring Gas Hose for Leaks 1. Check: 2. Determine pump operating time (see chapter 7.1.10 Determining the Pump Operating Time) 8.4.4 Change the Quantity of Calibrating Gas Recommended increase in pressure: 1 ... 5 mbar...

  • Page 67: Change Pt100

    Faults/Warnings 8.4.5 Change PT100...

  • Page 68: Replacing The "Critical Nozzle

    Faults/Warnings 8.4.6 Replacing the "Critical Nozzle"...

  • Page 69: Cleaning The Sampling Attachment With The Sintered Metal Filter

    Faults/Warnings 8.4.7 Cleaning the Sampling Attachment with the Sintered Metal Filter Spare filters available (pack of 10)

  • Page 70: Check Sample Gas Extraction Device (Ged) For Permeability

    Faults/Warnings 8.4.8 Check sample gas extraction device (GED) for permeability Connect the probe Select the operating mode: Measurement Different problem GED is leaking Capillary tube is blocked Replace the capillary tube. If the capillary tube is blocked near to the probe, this is due to the dew point not being reached at this point.

  • Page 71: Clean The Pif Preliminary Filter

    Faults/Warnings 8.4.9 Clean the PIF Preliminary Filter If the warning "Sintered metal preliminary filter dirty" appears: Check quantity of calibrating gas (see chapter 8.4.4 Change the Quantity of Calibrating Gas) Recommended setting: • Flowmeter 300 to 500 Nl/h • Restrictor 1 to 5 mbar Reduce the quantity of calibrating gas gradually Reset warning...

  • Page 72: Checking The Probe Heating System

    Faults/Warnings 8.4.10 Checking the Probe Heating System 8.4.11 Checking the GED Heating System...

  • Page 73: Checking The Preliminary Filter Heating System

    Faults/Warnings 8.4.12 Checking the Preliminary Filter Heating System...

  • Page 74: Removing The Ged Heating System

    Faults/Warnings 8.4.13 Removing the GED Heating System...

  • Page 75: Installing The Ged Heating System

    Faults/Warnings 8.4.14 Installing the GED Heating System...

  • Page 76: Removing The Preliminary Filter Heating System

    Faults/Warnings 8.4.15 Removing the Preliminary Filter Heating System...

  • Page 77: Installing The Preliminary Filter Heating System

    Faults/Warnings 8.4.16 Installing the Preliminary Filter Heating System...

  • Page 78: Appendix

    Appendix Appendix Connection Diagrams Fig. 9-1 Connecting diagram Lambda TransmitterLT1 NOTICE Fuse replacement F1/F3 when changeover 230/115 VAC necessary !
  • Page 79 Appendix Fig. 9-2 Connecting diagram of the digital outputs, valid since March 2001 Fig. 9-3 Connecting diagram digital outputs...
  • Page 80 Appendix Fig. 9-4 Connection example: analogue inputs and outputs...
  • Page 81 Appendix Fig. 9-5 Connecting diagram LT1 in conjunction with a probe connection box (PCB) 657R0013 NOTICE The wiring diagram suitable for your application can be found on the inside of the SAK. If you need the wiring diagram in advance, you can request it by e-mail with reference to the...
  • Page 82 Appendix Fig. 9-6 Connecting diagram LT1 in conjunction with a probe connection box (PCB) 657R0011-DS, rep- resent the connection of further options used in the PCB NOTICE The wiring diagram suitable for your application can be found on the inside of the SAK.

  • Page 83: Basic Printed Circuit Board

    Appendix Basic Printed Circuit Board Fig. 9-7 Fuses till serial no.: 0599, X - Analogue output module Fuse rat- Main fuse, power supply input ings: 6,3 A delayed-action for 230 V power supply voltage 10 A delayed-action for 115 V power supply voltage Transformer, GED and pre-filter heat- 2,5 A delayed-action...
  • Page 84 F201 6,3Atr Terminals 71 - 75 configured for the LED 2 green monitoring supply voltage +12 VDC solenoid valves F202 1,5Atr LAMTEC SYS- (1,6Atr) TEM BUS have LED 3 green monitoring supply voltage +12 VAC measuring gas pump F203 3,15Atr...
  • Page 85 Appendix without LED probe heater (fixed voltage) F207 4Atr LED 8 green monitoring supply voltage +6 VDC Voltage F208 1,5Atr(1,6Atr) LED 9 green monitoring supply voltage +5 VDC LSB or RS422 F209 0,375Atr LED 10 status of pump pressure switch green (on = switch on = low pressure available) Fuse rating...
  • Page 86 BR231A and Both jumpers in position 2-3 (above). Digital inputs are floating, for external GND BR231B BR302-BR306 Position 1-2 (left). Configuration for LAMTEC-SYSTEM-BUS (CAN) Position 2-3 (right). Configuration for RS 422-Interface (SICK) BR301 Position 1-2 (left). Without termination, no end device Position 2-3 (right).

  • Page 87: Analogue Output Card

    Analogue Output Card 0/4 ... 20 mA, 0/2 ... 10 V (optional Type 657R0005 - non-floating (1 channel) (Not possible with OEM design) Can be retrofitted on LT1 processor board (max. 4 cards). Jumper volt- output 0/2 ... 10 V...

  • Page 88: Other Details, Dimensions

    Other Details, Dimensions Ambient temperature: • LT1 with measuring gas pump +5 °C … +45 °C | +41 °F ... 113 °F, short-term up to +60 °C | +140 °F • LT1 without measuring and calibrating gas pump -20 °C … +60 °C | -4 °F ...

  • Page 89: Spare Parts

    Appendix Spare Parts A list of relevant replacement parts is given below. It is advisable to keep a stock of those parts marked with an asterisk (*). Stocking of replacement parts marked is a matter of discretion. Stocking of replacement parts marked is appropriate only if the measurement system is quipped with the relevant option.
  • Page 90 1 Calibrating gas pump 12 VDC, incl. vibration damper 657R0837 1 Absolute pressure sensor, standard 657P0416 1 Mounting paste (anti-burn-in paste), pack of 5 650R1090 1 Box of assorted small parts for LT1 657R0305 1 Replacement display and operating unit 657R0829 1 Replacement power electronics (full version) 657R0884...

  • Page 91: Eu Declaration Of Conformity

    Appendix EU Declaration of Conformity...
  • Page 92 Appendix...

  • Page 93: Sil Manufacturer Declaration

    Appendix SIL Manufacturer Declaration...
  • Page 94 Appendix...
  • Page 95 Appendix...
  • Page 96 The information in this publication is subject to technical changes. LAMTEC Meß- und Regeltechnik für Feuerungen GmbH & Co. KG Josef-Reiert-Straße 26 D-69190 Walldorf Telefon: +49 (0) 6227 6052-0 info@lamtec.de Telefax: +49 (0) 6227 6052-57 www.lamtec.de Printed in Germany | Copyright  2024...

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