Teka LFE 101 Manuale utente

Operating instructions

(Translation of the original operating instructions)

LFE 101

LFE 201

LFE 301

TEKA Absaug- und Entsorgungstechnologie GmbH, Millenkamp 9, D-48653 Coesfeld,

Tel.: +49 2541-84841-0, E-Mail: info@teka.eu, www.teka.eu

Table of contents

1. General 4

2. Description of the system elements 5

2.1. Illustration of the system elements 5

2.2. Functionality of the system 6

2.3. Intended use 6

3. Safety instructions 7

3.1. Definition of the hazard symbols 7

3.2. General safety instructions 7

4. Storage, transport and installation of the device 8

5. Commissioning 9

5.1. Connecting the suction line and exhaust air line 9

5.2. Electrical connection 9

5.3. Precoating of the filter cartridges 10

5.4. Connecting the compressed air supply 10

5.4.1. Compressed air supply for the cleaning of the filter cartridges 10

6. Operating the system 11

6.1. Explanation of the operating elements 11

6.2. Connection of an external control 11

7. Maintenance 12

7.1. Reset to maintenance state 13

7.2. Cleaning the filter cartridges 13

7.3. Replacing the filter cartridges 14

7.4. Emptying the dust collecting tank 16

7.5. Draining the condensate 17

7.6. Precoating of new filter cartridges 18

7.7. Replacing the particle filter 19

7.8. Replacing the activated carbon / the activated carbon cassette 20

7.8.1. Replacing the activated carbon 20

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7.8.2. Replacing the activated carbon cassette 22

7.9. Replacing the cooling air filters of the turbines 23

7.10. Replacing the filter mats for the air outlet grille 23

7.11. Cleaning/replacing the particle sensor 24

8. Dismantling / Disposal 25

9. Diagnostics and troubleshooting 25

10. List of spare parts 27

11. Technical data 28

12. EC declaration of conformity 29

13. Training protocol 30

14. Maintenance intervals 31

14.1. Usage-related maintenance 31

14.2. General maintenance 32

14.2.1. Visual inspection of the device 33

14.2.2. Visual inspection of the pipelines for dust deposits 33

14.2.3. Visual inspection of the pneumatic pipes 34

14.2.4. Functional test of the device 34

14.2.5. Electrical test of the electrical lines and earthing connections 35

14.2.6. Test of fixing of the mounted unit elements 35

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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. The operator must ensure that the operating

personnel take note of these instructions.

Please read these instructions before operating the device, and observe the safety

precautions to avoid injury!

Store this manual in a safe place! These instructions are to be regarded as a component

of the product!

Adhere to all product notes!

Modifications or conversions that the operator carries out at the device without the

consent of the manufacturer, can lead to new safety hazards or to the loss of warranty

claims.

Observe the manufacturer’s instructions. Contact the manufacturer in case of any

uncertainty:

Tel: +49 2541-84841-0

E-mail: [email protected]

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2. Description of the system elements

2.1. Illustration of the system elements

Installation example:

Z.Nr. 14261701

Pos.1

Pos.2

Pos.3

Pos.4

Pos.5

Pos.6

Pos.7

Pos.8

Pos.9

Pos.10

Operating panel of the control

Dust collecting housing

Filter housing

Particle filter housing

Cleaning housing

Activated carbon housing

Turbine housing

Particle filter

Intermediate frame

Activated carbon cassette

Pos.11

Pos.12

Pos.13

Pos.14

Pos.15

Pos.16

Pos.17

Pos.18

Pos.19

Suction nozzle

Exhaust grille

Connection for mains cable

Connection for external control unit

Harting connection for the optional

gate valve

Connection for compressed air

Drain valve for compressed air

Swivel castor

Connection for Metering device for

precoat

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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. The activated carbon filter absorbs gases and unpleasant odours. The subsequent

particle filter cleans even fine smokes and dusts. An automatic filter monitoring indicates when a

cleaning or a replacement of the filters is necessary. The purified air is led back into the working room

via an exhaust air grille.

2.3. Intended use

The device is intended for commercial use. If the device is made publicly accessible, it must never be

operated unsupervised by authorized personnel, authorized by the operator.

The intended use of the filter unit is the application combined with laser devices and especially the

extraction and filtration of dusts, fumes and gases.

WARNING

Improper use can damage parts and be a danger to life and limb!

The device must not be used for the extraction of oil-laden welding fume, explosive dust

and gases, hybrid mixtures, glowing or burning substances, gases, water, etc. The

device must not be operated in explosive zones.

Dangers arising from fire.

If the sucked medium is combustible fume or dust, the operator must determine

beforehand which fire protection measures are to be taken.

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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. In these instructions we warn by using corresponding

indications.

WARNING

These instructions are made in case of risks that can lead to injury or death.

CAUTION

These instructions are made in case of risks that can lead to injury.

NOTICE

These instructions are made in case of risks that can lead to material damages.

Information notes are no hazard warnings; they call attention to useful information.

3.2. General safety instructions

WARNING

Dangers arising from improper use / unauthorised operations.

The operator must ensure that their authorised personnel are familiar with all the safety

indications in this manual in advance. The operator is responsible for ensuring that all work

is carried out by authorised and qualified personnel. We therefore recommend using the

training protocol on the last page for that purpose (see chapter “Training protocol”).

Laymen are allowed to operate the device after having received the necessary instructions.

But they are not allowed to carry out any installation, repair or maintenance work.

Dangers arising from fire.

In case of fire, if possible, switch the unit immediately off or disconnect it from the power

supply. Fire extinguishing measures which the operator is obliged to determine beforehand

must be initiated immediately.

The device is additionally equipped with a particle sensor, which can detect an increase of

the particles (eg due to fire, filter break, ...) within the device. The particle sensor thus

provides a monitoring of the particulate matter, but does not provide 100% protection for the

detection of a fire. When the particle sensor is triggered, the device switches off.

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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.

4. Storage, transport and installation of the device

WARNING

Risk of injury from tilting or unmounted components when stored or transported.

The device must be secured against tilting and slipping when it is stored or transported. Do

not stand under or next to the floating load. Lift trucks, forklift trucks and transport cranes

must have a sufficient minimum load bearing capacity. Pay attention to uneven grounds

during the transport. Avoid jerky pushing.

Dangers arising from titling or functional impairments at its destination.

The unit may only be set up on a suitable surface. The surface must be vibration-free and

horizontal. The operator must check the bearing capacity of the surface. As soon as the unit

has reached its intended destination, the brakes of the castors must be activated.

NOTICE

Damage or functional impairment of the unit due to climatic influences.

The unit must be stored in a dry place and protected against moisture during transport. As a

matter of principle, the filter unit is not designed to be installed outside.

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5. Commissioning

WARNING

Dangers arising from a defective condition of the unit.

Make sure that the measures described in this chapter are completed before the

commissioning of the unit. All doors of the unit must be closed and all necessary connections

must be attached before turning the unit on. Do not operate the unit if any components are

defective, missing or damaged. Check the orderly condition of the unit before switching it on.

The unit must not be operated without a filter element.

NOTICE

Damaged supply lines.

Make sure that the supply lines are protected against damage by forklift trucks and similar

events. Protect all supply lines from heat, moisture, oil and sharp edges.

5.1. Connecting the suction line and exhaust air line

For extracting the contaminated air, a suction line must be connected to the suction nozzle (see chapter

2.1).

If the air shall be directly sucked off by an upstream machine, the suction line must be connected to the

capture opening of the upstream machine.

The purified air is led back into the working environment via the exhaust air grille (see chapter 2.1)

(recirculation mode). If it is desired to lead the purified air out of the working environment, an exhaust air

pipe must be attached at the discharge grille.

5.2. Electrical connection

CAUTION

Health hazard arising from unintentional cleaning processes.

Switch on the control only if the unit is in operational condition.

NOTICE

Electric malfunction possible in cause of an incorrect power supply.

Pay attention to the admissible supply voltage. Please observe the specifications on the type

plate.

● Connect the mains cable (see chapter 2.1) to the power supply.

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5.3. Precoating of the filter cartridges

For a longer service life of the filter cartridges, the new filter cartridges can be pretreated with filter aid

(e.g. precoat). However, this is not necessary when using nano filter cartridges.

Please read and refer to "Precoating new filter cartridges" in the chapter "Maintenance". There

you can also find a description of the operating method of the precoat.

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. Compressed air supply for the cleaning of the filter cartridges

The filter cartridges of the system are automatically cleaned. Cleaning is carried out pneumatically via a

built-in compressed air tank.

Without compressed air supply the filter cartridges will become dirty very quickly.

● The external compressed air supply must be assured with an approved compressed air hose.

For the connection to the device, the compressed air hose must be equipped with a quick

coupling for an insert sleeve DN 7.2.

The compressed air must be dry and oil-free.

● The operating pressure of the compressed air supply must be a minimum of 3 bars and

maximum of 4 bars.

In case of the pressure being too low, the compressed air tank does not reach

quickly enough the operating pressure for the following cleaning. There is a risk of

material damage when the pressure is too high.

● Connect the compressed air hose to the insert sleeve (see chapter 2.1).

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