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- Page 1 Operating instructions (Translation of the original operating instructions) LFE 101 ST1 LFE 201 ST1 LFE 301 ST1 TEKA Absaug- und Entsorgungstechnologie GmbH, Millenkamp 9, D-48653 Coesfeld, Tel.: +49 2541-84841-0, E-Mail: info@teka.eu, www.teka.eu...
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Page 2: Table Of Contents
Table of contents 1. General 2. Description of the system elements 2.1. Illustration of the system elements 2.2. Functionality of the system 2.3. Intended use 2.4. Residual risk 3. Safety instructions 3.1. Definition of the hazard symbols 3.2. General safety instructions 4. - Page 3 11. List of spare parts 12. Technical data 13. EC declaration of conformity 14. ATEX Annex to the EC declaration of conformity 14.1. ATEX devices 14.2. ATEX components 15. Training protocol 16. Maintenance intervals 16.1. Usage-related maintenance 16.2. General maintenance 16.2.1.
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Page 4: General
1. General Congratulations on purchasing the product from TEKA. Our engineers ensure that our devices reflect the state of the art through continuous development. Nevertheless, misuse or misconduct can endanger your safety. Please observe the following for a successful use of the device: Only authorised and instructed personnel can carry out transport, operation, maintenance and repair of the device. -
Page 5: Description Of The System Elements
2. Description of the system elements 2.1. Illustration of the system elements Installation example: Z.Nr. 14261701 Pos.1 Operating panel of the control Pos.11 Suction nozzle Pos.2 Dust collecting housing Pos.12 Exhaust grille Pos.3 Filter housing Pos.13 Connection for mains cable Pos.4 Particle filter housing Pos.14... -
Page 6: Functionality Of The System
2.2. Functionality of the system The filter unit serves to suck off and filter polluted air (according to the intended use). The air is purified on the surface of the filter cartridge in the filter section of the unit. The separated dust is collected in a dust collecting tank. -
Page 7: Safety Instructions
3. Safety instructions 3.1. Definition of the hazard symbols The device is constructed according to the state of the art and the recognised safety regulations. Nevertheless, during use threats to life and limb of the user or other persons may arise. The impairment of the machine or other property are also possible. -
Page 8: Storage, Transport And Installation Of The Device
WARNING Dangers arising from electricity. The operator must ensure that electrical plants and equipment are only built, modified and maintained by a qualified electrician or under the direction and supervision of a qualified electrician. Do not work on components if you are not sure that these are disconnected. If necessary, disconnect the device from the electric power supply and secure it against unauthorized restarting. -
Page 9: Commissioning
The lines must be kept as short as possible and must be laid to the extraction point in a way that optimizes the flow in order to prevent any deposits from forming in the lines. TEKA Absaug und Entsorgungstechnologie GmbH expressly draws your attention to the fact that extraction lines that have not demonstrably been configured by TEKA are not covered by the filter unit’s explosion protection documentation. -
Page 10: Electrical Connection
5.2. Electrical connection WARNING Explosion hazard! The conductivity of lines and system parts must be checked in order to prevent static charges from building up. Leakage resistances < 10^6 Ohm must be ensured. The Operator must ensure the equipotential bonding of the unit. To do this, use the earthing point on the back of the unit. -
Page 11: Connecting The Compressed Air Supply
5.4. Connecting the compressed air supply NOTICE The compressed air must be dry and oil-free. According to ISO 8573-1:2010 the compressed air quality must at least meet: [7:4:4] ➔ Partikle size: <40µm ➔ Pressure dew point: <= +3°C ➔ Oil content: <=5mg/m³ 5.4.1. -
Page 12: Operating The System
6. Operating the system WARNING Increased risk of explosion when filter unit switched off. If the filter unit is left switched off while work is performed at the extraction points then dust may collect at the extraction points. If the dusts in question are potentially explosive then this increases the risk of explosion. -
Page 13: Connection Of An External Control
6.2. Connection of an external control There is the possibility to control the unit from extern. For this purpose, a connection is provided on the unit (see chapter 2.1). Connection plug type: Industrial connector Number of pins: Pin-Nr. Designation Explanation 1, 2 Start contact In order to switch on the filter unit, a contact has to be connected... -
Page 14: Maintenance
7. Maintenance In accordance with national regulations, the operator is obliged to carry out repeat and functional tests. Unless otherwise specified by national regulations, we recommend regular visual inspections and functional tests of the device as described in the chapter “Maintenance intervals”. You find the chapter “Maintenance intervals”... -
Page 15: Reset To Maintenance State
7.1. Reset to maintenance state ● Switch off the unit. Unplug the mains plug. Secure the unit against unauthorized restarting during maintenance. ● Disconnect the compressed air hose of the external compressed air supply from the insert sleeve (see chapter 2.1). ●... -
Page 16: Replacing The Filter Cartridges
7.3. Replacing the filter cartridges Replacing the filter cartridges becomes necessary when the filter cartridges are saturated with dirt in a manner that despite of the cleaning the filter alarm is triggered again at very short intervals or permanently. (The filter alarm is described in chapter “Cleaning the filter cartridges”.) CAUTION Whirling up dust is possible due to the polluted filter cartridges. - Page 17 ● Insert the new filter cartridge into the screw fastening and turn it anticlockwise to the hilt. Only use TEKA spare filters. Otherwise the proper functioning of the unit is not guaranteed. ●...
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Page 18: Emptying The Dust Collecting Tank
7.4. Emptying the dust collecting tank The dust collection container must be cleaned after a certain number of operating hours. This range depends on the amount of dust. The dust collecting tank may only be filled up to a maximum of 25%. The filling level has to be proofed at least once a week. - Page 19 ● Open the service door of the dust collecting housing (see chapter 2.1). ● Release the two earth connections. ● Resolve the clamping lever (B) of the dust collecting tank (A). ● Carefully pull the dust collecting tank out of the housing. ●...
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Page 20: Draining The Condensate
7.5. Draining the condensate Operation with compressed air can result in condensation water being gradually deposited in the compressed air tank. The condensed water must be emptied regularly. The maintenance interval depends heavily on the quality of the compressed air and cannot, therefore, be determined in advance. CAUTION When opening the drain valve a blast of compressed air is possible. -
Page 21: Precoating Of New Filter Cartridges
● Provide sufficient filter aid. We recommend using 30 grams for each square metre of the filter surface. The filter aid is available at TEKA (see list of spare parts). ● Choose the capture point in the suction pipe that is the closest to the filter cartridges. E.g. an inspection flap can be used as a capture point. -
Page 22: Replacing The Particle Filter
● Replace the particle filter. Only use TEKA spare filters. Otherwise the proper functioning of the unit is not guaranteed. ● Push the filter pack back into the filter housing as far as it will go. Make sure that the filter elements are inserted in the correct order. - Page 23 ● Re-establish the two earth connections. There is a risk of explosion during operation if an earth connection is not attached. ● Close the service door. BA_LFE-101-201-301_ST1_20230808_EN 08.08.2023...
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Page 24: Replacing The Activated Carbon / The Activated Carbon Cassette
7.8. Replacing the activated carbon / the activated carbon cassette The activated carbon absorbs gases and unpleasant odours. The activated carbon has to be replaced as soon as gases appear on the clean air side. Therefore, replace the activated carbon in the activated carbon cassette. Alternatively, you can replace the entire activated carbon cassette. - Page 25 Gradually fill with a number of smaller quantities of activated carbon, spreading it out evenly and gently pressing down on it as you do so. Only use TEKA spare filters. Otherwise the proper functioning of the unit is not guaranteed. ●...
- Page 26 ● Screw the cover back on again. When you do this, the cover must press the top filter fleece mat against the support surface of the activated carbon cassette all the way round. ● Push the filter pack back into the filter housing.
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Page 27: Replacing The Activated Carbon Cassette
● Replace the activated carbon cassette. Only use TEKA spare filters. Otherwise the proper functioning of the unit is not guaranteed. ● Push the filter pack back into the filter housing. Make sure that the filter elements are inserted in the correct order. -
Page 28: Replacing The Cooling Air Filters Of The Turbines
7.9. Replacing the cooling air filters of the turbines The cooling air filters of the turbines must be checked regularly for pollution and they must be replaced when necessary (see list of spare parts). ● Open the service door of the turbine housing. This is only possible by means of a special electrical spanner. -
Page 29: Cleaning/Replacing The Particle Sensor
If the controller now still reports a “particle sensor” error message then the detector head must be replaced. Replacement parts are available from TEKA, see the spare parts list. In this case, it is not necessary to replace the assembly base which is screwed to the unit. -
Page 30: Check/Replace The Dust Filters For Underpressure Measurement Lines
7.12. Check/replace the dust filters for underpressure measurement lines Due to the accumulation of dust inside the filter housing, it is possible that dust may enter into any measurement lines. Each of the measurement lines is equipped with a dust filter to protect the measurement sensors against contact with dust. -
Page 31: Atex Operation
8. ATEX operation The following ATEX zoning and ignition source analysis is applied to the filter unit. 8.1. ATEX zoning Area Ex zone Reason/Cause Dusts Installation location No zone Installation not permitted in areas at risk of (environment) explosion, see: Intended use Suction line - Zone 20 Entry of dust via the extraction points / varying... - Page 32 Dusts No zone Zone 20 Zone 21 Zone 22 BA_LFE-101-201-301_ST1_20230808_EN 08.08.2023...
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Page 33: Sources Of Ignition
8.2. Sources of ignition The operator of the filter unit must ensure that no effective sources of ignition enter the filter unit, such a) Flames and hot gases, b) Mechanically generated sparks. WARNING Explosion hazard! Externally entered effective sources of ignition can cause explosions. 8.2.1. -
Page 34: Diagnostics And Troubleshooting
A recommissioning of the device must only occur if it is ensured that the system is functionally equivalent to the original state. Repairs may only be carried out by TEKA personnel or, after consultation with TEKA GmbH, by the personnel authorised by the operator. -
Page 35: List Of Spare Parts
Fault Cause Removal Damage at the extraction elements. Replace the extraction elements. Suction line contracted. Check and fix. Exhaust line contracted. Check and fix. Maybe throttle valves are used in the Adjust throttle valves. suction line. 11. List of spare parts Filter element Article no. -
Page 36: Technical Data
12. Technical data Version LFE 101 LFE 201 LFE 301 LFE 301 Supply voltage 115 / 230 115 / 230 Frequency 50 / 60 50 / 60 50 / 60 50 / 60 Type of current Engine power 1x 0,6 1x 1,2 2x 0,6 2x 1,2... -
Page 37: Ec Declaration Of Conformity
Internet: www.teka.eu Designation of the device: LFE 101 ST1 / LFE 201 ST1 / LFE 301 ST1 We hereby declare under our sole responsibility that the product mentioned above, from the serial number A22600010011001 resp. P57300010011001 on, conforms to the following directives:... -
Page 38: Atex Annex To The Ec Declaration Of Conformity
German Law on Product Safety (ProdSG) concerning equipment and protective systems intended for use in potentially explosive atmospheres. Filter unit type / Designation LFE 101 ST1 / LFE 201 ST1 / LFE 301 ST1 II 1D/3D/- X 14.1. ATEX devices... - Page 39 This declaration will become void if the device is exposed to modifications that are not approved by the manufacturer in written form. Authorized representative for the technical documentation: TEKA Absaug- und Entsorgungstechnologie GmbH, Millenkamp 9, D-48653 Coesfeld (Jürgen Kemper, managing director) Coesfeld, 3rd january 2023 BA_LFE-101-201-301_ST1_20230808_EN 08.08.2023...
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Page 40: Training Protocol
15. Training protocol Designation of the device: LFE 101 ST1 / LFE 201 ST1 / LFE 301 ST1 (This form can be used by the operator to document the training of the employees. Training should be performed by authorized personnel only. Refer to the instructions in Chapter "Safety Instructions") -
Page 41: Maintenance Intervals
The approach of the maintenance measures is described in chapter "Maintenance". Maintenance interval Maintenance work Chapter recommended by TEKA determined by the operator The cleaning of the filter cartridges is automatically carried out Cleaning the filter cartridges by the filter unit and thus is not subject to a maintenance interval. -
Page 42: General Maintenance
16.2. General maintenance The described maintenances are independent from the demands of the system operations. The operator is obliged to carry out repeated inspections and functional tests according to national regulations. If not otherwise covered by national regulations, the described maintenance intervals must be respected. -
Page 43: Visual Inspection Of The Pipelines For Dust Deposits
16.2.2. Visual inspection of the pipelines for dust deposits Visual inspection: Observation that there are no visible safety-related defects. WARNING Danger arising from the ready to operate condition of the device. Follow the procedure as described in the chapter “Set to maintenance state”. The following steps must be carried out in the course of the visual inspection: ●... -
Page 44: Electrical Test Of The Electrical Lines And Earthing Connections
● A functional test should always be carried out with a connected / producing machine tool. Check if the collection of the fume or dust is sufficient. (Visual inspection). 16.2.5. Electrical test of the electrical lines and earthing connections WARNING Danger arising from electricity. -
Page 45: Annex A: Atex Conductivity Measurement Protocol
17. Annex A: ATEX conductivity measurement protocol based on DIN EN 60079 -32 - 2 Measurement performed Machine No.: _____________________ by: _________________________________ Contact person: _____________________ Signature: _________________________ Date: _____________________ Measurement instrument: Environmental variables: _______________ Type: Temperature: __________________________ last calibration: _____________________ Test number: _____________________ Humidity:... - Page 46 Measurement points: LFE 101 ST1 / LFE 201 ST1 / LFE 301 ST1 Z.Nr. 16142703 BA_LFE-101-201-301_ST1_20230808_EN 08.08.2023...
- Page 47 measuring Measuring area / Reference Measurement Resistance point measurement points point voltage [V] [Ohm] Point of equipotential bonding: Door of cleaning housing (Point of equipotential bonding) Door of filter housing Door of dust collecting housing Door of turbine housing Door of particle filter housing Cover Wing nut 1 Wing nut 2...
- Page 48 External control unit (screw) Industrial plug connector Connection point for suction housing (thread) Measurement points: pipeline The suction line must have continuous electrostatic conductivity from the individual extraction points to the filter device. This must be documented and confirmed using a measurement protocol. The following table can be used for this purpose.
- Page 49 Evaluation of the risk of ignition based on DIN EN ISO 80079-36:2016-12 PROCEDURE NUMBER --- (cross-project) TEKA Absaug- und Entsorgungstechnologie GmbH MANUFACTURER Millenkamp 9 D-48653 Coesfeld DEVICE TYPE LFE, version ST1 DEVICE GROUP DEVICE DESCRIPTION The construction and intended use of the device are described in separate documentation (see Operating Instructions)
- Page 50 Evaluation of the risk of ignition based on DIN EN ISO 80079-36:2016-12 PROCEDURE NUMBER --- (cross-project) TEKA Absaug- und Entsorgungstechnologie GmbH MANUFACTURER Millenkamp 9 D-48653 Coesfeld DEVICE TYPE LFE, version ST1 DEVICE GROUP DEVICE DESCRIPTION The construction and intended use of the device are described in separate documentation (see Operating Instructions)
- Page 51 Evaluation of the risk of ignition based on DIN EN ISO 80079-36:2016-12 PROCEDURE NUMBER --- (cross-project) TEKA Absaug- und Entsorgungstechnologie GmbH MANUFACTURER Millenkamp 9 D-48653 Coesfeld DEVICE TYPE LFE, version ST1 DEVICE GROUP DEVICE DESCRIPTION The construction and intended use of the device are described in separate documentation (see Operating Instructions)
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