Lamtec LT3 Manuale utente

www.lamtec.de

Sensors and Systems for Combustion Engineering

User Manual

Lambda Transmitter LT3

Lambda Probe LS2

Table of Contents

1 Important Information about the Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1 Validity of these Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Information on Using this Operating Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2 General Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1 Classification of the Safety Instructions and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 Proper Use - Conditions of Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3 Permissible Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.4 Safety Equipment/Safety Measures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Product Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1 Design and Accessory LS2 Lambda Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4 Display and Operational Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2 Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2.1 Password Entry Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2.2 Information Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2.3 Calibration Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2.4 Settings Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.3 Status Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.4 Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.4.1 Main Menu - Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.4.2 Main Menu - Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.4.3 Main Menu - Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.1 Probe Testing and Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.1.1 Checking/Calibrating the Air Voltage (Offset) . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.1.2 Checking/Calibrating the O2 Electrode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.1.3 Reading the Measured Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.1.4 Enter the Password for the Access Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.1.5 Activate/deactivate Maintenance Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.1.6 Response of the Internal Resistance Regulation. . . . . . . . . . . . . . . . . . . . . . . . 24

5.1.7 Premature Cold Start Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.1.8 Calibrating the Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.1.8.1 Offset Calibration perform to 21 % O2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5.1.8.2 O2 Calibrating in the Operating Point with Reference Measurement. . . . . . . . . 29

5.1.9 Checking/Calibrating with Test Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.1.10 Checking/Calibrating with Reference Measurement . . . . . . . . . . . . . . . . . . . . . 33

5.1.11 Consumables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.1.12 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.1.12.1 Maintenance Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.1.12.2 Filter Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.1.12.3 Analogue Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.1.12.4 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.1.12.5 Limit Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6 Correcting Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.1 Faults and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Table of Contents

6.1.1 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.1.2 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.1.3 Call of the Fault History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

7 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

7.1 Protection Against Emissions from Gas Carrying Channels . . . . . . . . . . . . . . . . . . . . . 42

8 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

8.1 Analogue Outputs via LSB Module Current, alternative Voltage, LSB address 19 . . . . 43

8.1.1 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

8.1.2 Factory Setting of Analogue Outputs via LSB Module. . . . . . . . . . . . . . . . . . . . 44

8.1.3 Conversion of the Output Range via the User Interface . . . . . . . . . . . . . . . . . . 45

8.2 Digital Outputs via LSB Module, LSB Address 03 and 51 . . . . . . . . . . . . . . . . . . . . . . . 46

8.2.1 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

8.2.2 Factory Setting of the Digital Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

8.2.3 Diagnosis of the Digital Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

8.3 Digital Inputs via the LSB Module, LSB Address 11 and 55 . . . . . . . . . . . . . . . . . . . . . 48

8.3.1 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

8.3.2 Factory Settings of the Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

8.3.3 Diagnosis of the Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

8.4 LSB Module for Calculating Combustion Efficiency. . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

8.4.1 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

9 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

9.1 Storage Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

10 Disposal Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

10.1 Environmental Protection, Waste Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

11 Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

11.1 Wet/Dry Measurement Deviations, Conversion Table . . . . . . . . . . . . . . . . . . . . . . . . . . 54

11.2 EU Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

1 Important Information about the Manual

1.1 Validity of these Instructions

This manual describe the Lambda Transmitter LT3 with all required components. The informa-

tion in this document applies to the software version V1.09.0.0. If you utilise a different version,

this can lead to other effects to your device than those described in this manual.

NOTICE

LT3 Lambda Transmitter cannot be used for LAMTEC CO/O2 Control.

1.2 Information on Using this Operating Manual

NOTICE

Before starting work, you absolutely must read these instructions!

Carefully observe all warning notes!

They contain important data and information, the compliance with which will ensure the func-

tion of the device and, in turn, reliable measurement results.

The device described here corresponds with the standard configuration.

Particular attention must be paid to information and warnings. These are indicated by re-

spective pictograms. They serve to safeguard your personal safety and help you to avoid op-

erating errors.

This manual for end users contains the information required to operate and maintain the sys-

tem.

2 General Safety Instructions

2.1 Classification of the Safety Instructions and Warnings

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.

DANGER!

This draws the user's attention to imminent danger. If it is not avoided, it will result in death or

very serious injury. The plant including its surroundings could be damaged.

WARNING!

This draws the user's attention to the possibility of imminent danger. If it is not avoided, it may

result in death or very serious injury. The plant including its surroundings could be damaged.

CAUTION!

This draws the user's attention to the possibility of imminent danger. If it is not avoided, it may

result in minor injuries. The plant including its surroundings could be damaged.

NOTICE

This draws the user's attention to important additional information about the system or system

components and offers further tips.

The safety information described above is incorporated into the instructions.

Thus, the operator is requested to:

1 Comply with the accident prevention regulations whenever work is being carried out.

2 Do everything possible within his control to prevent personal injury and damage to prop-

erty.

2 General Safety Instructions

2.2 Proper Use - Conditions of Use

Operation

The LT3 Lambda Transmitter is an all-purpose O2 measuring device based on microprocessor

for direct measurement of the O2 concentration under super-stoichiometric range (λ > 1) used

together with Lambda Probe LS2

Operation

The Lambda Transmitter is an electronic data interpreting device which is used in conjunction

with the Lambda Probe LS2for the continuous measurement of the O2 concentration in non-

combustible gases in the superstoichiometric area.

Prerequisites

It is assumed that plant planning, mounting, installation, commissioning, maintenance, and

service work will be carried out by sufficiently trained personnel and that this work will be

checked by responsible skilled personnel. It must be particularly noted that

• the operation complies with the technical data and specifications regarding permissible

use, mounting, connection, and environment and operating conditions (refer to the con-

tract documents, the device user information, rating plates, etc.).

• work will be carried out in accordance with the local, plant-specific circumstances and with

regard to the operational risks and directives.

• all the measures required to preserve the value, e.g. for transportation and storage as well

as maintenance and service, are maintained.

Intended use

The product described here has left the factory in a flawless, safe and checked condition and

it must be maintained exclusively in the manner that is described by the manufacturer. Equally,

the proper transportation, correct storage and setup as well as the careful operation and main-

tenance, are critical for the flawless and safe operation of the device. Sufficiently qualified per-

sonnel must be used to install and operate this product. They must be familiar with the security

advice and warnings specified here and ensure they can be implemented flawlessly. Unqual-

ified persons working on the device or the warning information provided here or on the device

not being observed could result in serious personal injury and / or damage to property. The

device is being used as intended if the device is being used solely for the application specified

in the technical description. Auxiliary devices or those from other manufacturers must be rec-

ommended or authorised by LAMTEC. Provided the safety information and operating direc-

tives specified in this manual are observed, this device should not present any risks in terms

of damage to property or the health of personnel.

2 General Safety Instructions

2.3 Permissible Users

Qualified personnel

The person responsible for safety absolutely must guarantee that

• only qualified personnel perform work on the system parts.

Due to their training, education, experience, or instruction and due to their knowledge of

pertinent standards, provisions, accident prevention regulations, and system conditions,

qualified personnel are authorized to perform these tasks by the person responsible for

the safety of people and the system. It is decisive that this personnel must be able to rec-

ognise and prevent risks on time.

Experts are considered to be people according to DIN VDE 0105 or IEC 364 or directly

comparable standards like DIN 0832.

• These persons must have access to the provided operating manual and any pertinent or-

der-related documentation during all work and observe these documents within the scope

of preventing risks and damage.

User groups

For the handling of the Lambda Transmitter LT3, three user groups are required:

• Service technicians of LAMTEC or its OEM customers and/or trained customer personnel:

– Qualified technicians/engineers  have very good knowledge of the device.

– SERVICE access level - password-protected

• Operators, customer fitters, technicians for instrumentation and control technology, elec-

tricians, and electronic engineers  have introductory knowledge of the device.

– CUSTOMER access level - password-protected

• Operating personnel with basic knowledge

– OPERATION access level - no password

2 General Safety Instructions

2.4 Safety Equipment/Safety Measures

Hazards from electrical equipment

The LT3 Lambda Transmitter and the Lambda Probe LS2 is equipment for use in industrial

electrical power installations. Always switch off the power when working on mains connections

or mains voltage. If shrouding (for electrical safety) has been removed, reattach it before

switching on the power supply again. Damage to health or equipment may result from improp-

er use or improper handling.

NOTICE

To avoid damage, always observe the respective security notices.

Preventive measures for improving operating safety

If the LT3 is used in conjunction with control and monitoring technology, the operator must en-

sure that any breakdown or failure of the LT3 device does not cause inadmissible damage or

dangerous operating states. To avoid faults which could cause direct or indirect personal or

material damage, the operator must ensure that:

• the responsible maintenance personnel can be reached at any time and as quickly as pos-

sible

• the maintenance personnel are trained to correctly respond to faults with the LT3 Lambda

Transmitter and the associated malfunctions

• in the case of doubt, the faulty equipment can be switched off immediately

• A switch-off does not lead to direct follow-up problems.

Avoiding consequential damages

To avoid consequential damages in the event of failure, which could cause direct or indirect

personal or material damage, the owner must ensure that qualified personnel can assess the

faults and initiate appropriate measures to tackle them.

Protect against gas leakage from the gas-bearing channel

The Lambda Probe LS2 is fitted directly to the gas-bearing channel via the probe installation

fitting (PIF). If the Lambda Probe LS2 or the installation fitting (PIF) are removed there is a

chance that hot and/or noxious gases, which could be hazardous to health, could egress

through the open orifice in the flue - this is particularly like where the gases in the flue are at

positive pressure. A risk assessment should be carried out and precautions taken to eliminate

any hazardous situation occurring. For prevention, suitable protective measures must be tak-

en in advance.

WARNING!

Discharge of hot, corrosive gases !

In the event of high pressure and temperatures higher than 200 °C (392 °F) in the gas duct,

gas escapes when the LS2 Lambda Probe or the probe installation fitting (PIF) is removed.

Switch OFF the application before opening.

Wear protective clothing and a protective mask.

Affix appropriate warnings near by.

Close aperture immediately after finishing work.

Decommissioning/recommissioning

The Lambda Transmitter LT3 Lambda Probe LS2 are a high-quality,

electronic measuring system. It therefore requires careful handling in all situations - decom-

missioning, transport, and storage.

2 General Safety Instructions

NOTICE

Do not switch off the Lambda Transmitter LT3 as long as the LS2 Lambda Probe is mounted.

Not even if the associated plant has been brought to a standstill. Residual gases will cause

corrosion and could damage the probe.

Do not store the device outside without any protection!

Always store in a dry location and, if possible, keep in the original packaging.

When uninstalling, protect the ends of cables and the connectors from corrosion and soil-

ing. Corroded connectors can cause malfunctions.

If possible, always transport in the original packaging.

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