Sick FWE200DH - Water Back Purge WBP Operating instructions


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Sick FWE200DH - Water Back Purge WBP Operating instructions | Manualzz

MMMADDENDUM TO OPERATING INSTRUCTIONS MMMI

FWE200DH

Extractive scattered light dust measuring device Water back purge WBP

Beschriebenes Produkt

Product name: FWE200DH Option: Water back purge WBP

Manufacturer

SICK Engineering GmbH Bergener Ring 27 · 01458 Ottendorf-Okrilla · Deutschland Telefon: +49 35205 524-10 Fax: +49 35205 524-50 E-Mail: [email protected]

Trademarks

Windows is a Microsoft Corporation trademark. Other product names used in this document may also be trademarks and are only used for identification purposes.

Legal information

This work is protected by copyright. Any rights derived from the copyright shall be reser ved for SICK Engineering GmbH. Reproduction of this document or parts of this docu ment is only permissible within the limits of legal determination of Copyright Law.

Any modification, shortening or translation of this document is prohibited without the express written permission of SICK Engineering GmbH.

The trademarks stated in this document are the property of their respective owner.

© SICK Engineering GmbH. All rights reserved.

Original document

This Document is an original document of SICK Engineering GmbH.

2 A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 8024019/AE00/V1-0/2019-02 | SICK Subject to change without notice

CONTENTS Contents Contents 8024019/AE00/V1-0/2019-02 | SICK Subject to change without notice

1

2

3

4

5

6

7

Important information .............................................................................. 4 1.1

1.2

About this document....................................................................................... 4 Main hazards................................................................................................... 4

1.3

1.4

1.5

Symbols and document conventions ............................................................. 5 1.3.1

Warning symbols ............................................................................ 5 1.3.2

1.3.3

Warning levels and signal words.................................................... 5 Information symbols ....................................................................... 5 Intended use ................................................................................................... 5

Responsibility of user...................................................................................... 6 1.5.1

General information........................................................................ 6

Product description ................................................................................... 7 2.1

2.2

Characteristics and function .......................................................................... 7 Device components ........................................................................................ 7

2.2.1

2.2.2

2.2.3

2.2.4

2.2.5

2.2.6

Purge air heater .............................................................................. 8 Pressure regulator .......................................................................... 8

Heated extraction hose .................................................................. 9

Water valves and ball valve..........................................................10

Water connection provided by operator ......................................10

Water connections on WBP swirl chamber cover........................10

Commissioning / configuring ................................................................12

3.1

Temperature setting of the heating bands ..................................................12

3.2

3.3

3.4

Connecting the heated extraction hose (optional) ......................................13

Connecting the purge air heater...................................................................14

Setting parameters .......................................................................................16

3.4.1

Activating temperature control / heated extraction hose...........16

3.4.2

3.4.3

Configuring the purge air heater ..................................................17

Standard configuration flowchart ................................................19

Maintenance.............................................................................................21

4.1

General information ......................................................................................21

4.2

4.3

4.4

Replacing the water filter..............................................................................21

Leak test of the water circuit........................................................................22

Checking the spray pattern...........................................................................23

Malfunction messages............................................................................24

Repair work ..............................................................................................25

6.1

Replacing the WBP control block .................................................................25

6.2

Replacing the WBP ball valve .......................................................................26

Technical data..........................................................................................27

7.1

7.2

Optional components....................................................................................27

Spare parts / consumables ..........................................................................27

A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 3

1 IMPORTANT INFORMATION 1

1.1

1.2

Important information

About this document

This Addendum is only complete in combination with the Operating Instructions of the FWE200DH measuring system. Availability and knowledge of the Operating Instructions of the FWE200DH are assumed.

These Instructions apply to FWE200DH equipped with the water back purge WBP at the factory. The valid Operating Instructions (OI) contain basic information on safety, measuring procedure, design, function and usage of the measuring system and its components and therefore only supplementary information is provided where necessary to understand the function. This Addendum is therefore only be to used in conjunction with the valid Operating Instructions.

NOTE: Always read the Operating Instructions before starting work! Be sure to observe all safety and warning information in the Operating Instructions!

Main hazards

Observe the following hazards in addition to those described in the Operating Instructions. WARNING: Health risk due to leaking measuring gas During maintenance work on the sample gas probe there is the possibility of leaking of potentially hazardous measuring gas. ▸ Take suitable protective measures according to the hazard potential evaluated by the operator.

▸ Wear personal protective equipment.

WARNING: Health risk due to formation of new compounds New compounds may be formed during heating in the thermal cyclone due to the pro cess gas composition.

▸ ▸ The respective ignition temperature must be taken into account for each potentially arising substance compound. The heater temperature of the thermal cyclone and the heated extraction hose may have to be limited accordingly.

Example ammonium nitrate: During start-up, the operating temperature of the heating tapes must be set to max. 220 °C; the sample gas temperature (TGas2) should not exceed 140 °C. Set the thermostat safety switch-off to 240 °C.

Other substance mixtures may require different heating band temperatures.

NOTE: The operator must ensure that no leaks occur in the system.

The operator is responsible for assessing possible hazards through leaks.

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IMPORTANT INFORMATION 1

1.3

1.3.1

1.3.2

1.3.3

1.4

Symbols and document conventions

Warning symbols Symbol Description Hazard (general) Hazard by voltage Health hazard (general) Hazard through hot surfaces Explosion hazard Warning levels and signal words

DANGER

Risk or hazardous situation which

will

result in severe personal injury or death.

WARNING

Risk or hazardous situation which

could

result in severe personal injury or death.

CAUTION

Hazard or unsafe practice which could result in personal injury or property damage.

NOTICE

Hazard which

could

result in property damage.

Information symbols Symbol Description Important technical information for this product Important information on electric or electronic functions

Intended use

Purpose of device components The FWE200DH measuring system is used exclusively for continuous measurement of dust concentrations in wet gases. In some applications in this area of application, deposits can occur which can constrict or clog the lines and components carrying the sample gas (e.g. in the production of fertilizers or glass wool). The equipment variant of the FWE200DH has a water back purge unit. This ensures that recurring water purging of the lines and compo nents carrying the sample gas dissolves water-soluble deposits and flushes these back into the sample gas duct.

NOTE: Wear personal protective equipment Appropriate protective devices and personal protective equipment must be available in sufficient quantity and must be used by the personnel in accordance with the respective hazard potential.

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1 IMPORTANT INFORMATION

1.5

1.5.1

Correct use ● ● ● Use the device only as described in this Addendum. The manufacturer bears no responsibility for any other use.

Observe all measures necessary for conservation of value, e.g., for maintenance and inspection and/or transport and storage.

Do not remove, add or modify any components to or on the device unless described and specified in the official manufacturer information. Otherwise – the device could become dangerous.

– the manufacturer’s warranty becomes void.

Restrictions of use ● The use of the FWE200DH measuring system is not allowed in areas with fire hazards or potentially explosive atmospheres.

Responsibility of user

General information NOTE: Responsibility for system safety The person setting the system up is responsible for the safety of the system in which the device is integrated.

Designated users The FWE200DH measuring system may only be installed and operated by skilled technicians who, based on their technical training and knowledge as well as knowledge of the relevant regulations, can assess the tasks given and recognize the hazards involved.

Special local requirements Observe the local laws, regulations and company internal operating instructions applicable at the installation location.

Retention of documents Keep the Operating Instructions belonging to the measuring system as well as equipment documentation onsite for reference at all times. Pass the respective documentation on to any new owner when selling the measuring system. 6 A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 8024019/AE00/V1-0/2019-02| SICK Subject to change without notice

PRODUCT DESCRIPTION 2 2

2.1

2.2

Product description

Characteristics and function

The water back purge WBP is an option of the FWE200DH measuring system.

Water purging is carried out regularly during the control cycle. This runs every 8 hours according to the factory settings. The cycle time can be changed using SOPAS ET (see FWE200DH Operating Instructions). The water flow dissolves deposits mechanically, salt deposits dissolve in the water and are flushed into the flue gas duct.

Device components

● ● ● ● ● ● ● ● ● The following components are additionally installed or prepared at the factory for the FWE200DH with water back purge WBP: Pressure regulator with manometer and water filter Water connection, customer interface G¼ inch inside thread Valve 1 Valve 2 Ball valve Connecting hoses Purge air heater (optional, must be ordered separately) Heated extraction hose (optional, must be ordered separately) WBP swirl chamber cover for water back purging

Fig. 1: Auxiliary components FWE200DH

         Pressure regulator Water connection Valve 1 Valve 2 Ball valve Connection hoses Purge air heater (optional) Heated extraction hose (optional) WBP swirl chamber cover for water back purging          8024019/AE00/V1-0/2019-02| SICK Subject to change without notice A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 7

2 PRODUCT DESCRIPTION 2.2.1

NOTE: Optional extension with heated extraction hose and purge air heater are already provided for in the FWE200DH with water back purge WBP, the electrical connections required for this are prepared. However, the heated extraction hose and/or the purge air heater itself must be ordered separately if required (

see “Optional components”, page 27 ).

NOTICE: The measuring system must be mounted decoupled from the duct in order to prevent damage caused by mechanical vibrations.

Purge air heater The purge air heater installed on the SLV7 blower unit serves to preheat the purge air required to operate the ejector and for water back purging.

When mixing the cool purge air with the hot process gases, increased crystallization of salts may occur in the measuring nozzle, resulting in constriction or blockage because the water content condenses during rapid cooling of the process gas.

To prevent condensate failure, the purge air can be heated with a purge air heater to such an extent that this effect is suppressed.

Fig. 2: Purge air heater

2.2.2

NOTE: The use of the purge air heater is not allowed in areas with fire hazards or potentially explosive atmospheres!

NOTE: Please observe the operating instructions of the purge air heater on the product-CD.

Pressure regulator The recommended water pressure for the purging is 3 barg. The water temperature must not exceed 60 °C. A minimum pressure of 2 barg should be maintained. The system pressure must not exceed 6 barg otherwise the leak tightness of the solenoid valves cannot be guaranteed.

To adjust the pressure, pull the control knob on the pressure reducer upwards out of the lock. Set the desired purging pressure. The integrated water filter serves to filter coarse res idues and/or limescale deposits from the supplied water.

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Fig. 3: Pressure regulator

PRODUCT DESCRIPTION 2     Control valve for setting the purging pressure Pressure indicator for purging pressure Water connection G¼ inch Water filter with drain nozzle     2.2.3

Heated extraction hose The heated extraction hose serves to preheat the sample gas when, for example, the heater temperature or surface temperature in the thermal cyclone has to be reduced due to the application. Furthermore, this prevents the sample gas cooling down between the sam ple gas probe and measuring system.

Fig. 4: Heated extraction hose

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2 PRODUCT DESCRIPTION 2.2.4

Water valves and ball valve The water valves and the ball valve can be operated in the corresponding SOPAS ET menu to check that they are functioning correctly.

Fig. 5: Ball valve

  Lock for manual operation Rotary grip for manual operation 2.2.5

2.2.6

Water connection provided by operator The operator is responsible for providing the purging water up to the water connection of the FWE200DH WBP. A water connection with ¼ inch thread on the 90° bend of the pressure reducer serves as interface between the purging water connection provided by the operator and the device. Observe local regulations when connecting to the drinking water network. Prescribed non-return devices or similar must be provided by the operator on site. It is recommended to lay a flexible connecting line to the system so that vibrations do not cause damage. Observe requirements for frost protection of the connection line.

NOTE: Observe relevant national regulations for handling drinking water. Take suitable measures to prevent a return feed into the drinking water network.

NOTE: The operator must take suitable measures to avoid freezing of the flushing water provided up to the defined interface. The water temperature must be kept above freezing point up to the feed point.

NOTE: The purging water provided must have a temperature below 60 °C and be free from limescale and suspended particles, and the water pre-filtered when necessary.

CAUTION: Observe the prescribed water pressure of the water supply of 3…10 barg. The water pressure after the pressure regulator should be 2…6 barg , otherwise the device could be damaged.

Water connections on WBP swirl chamber cover Check the proper water flow into the swirl chamber after maintenance work (cleaning). Feed the water so that no splash residues are distributed in the swirl chamber and all the water always flows into the respective purging branch.

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PRODUCT DESCRIPTION 2

Fig. 6: Side view, swirl chamber

   Control opening to check water dosage in the swirl chamber Water connections, valves 1 and 2 Purge air connection for direct feed into the swirl chamber    WARNING: Risk of scalding Hot liquid can escape from the swirl chamber (thermal cyclone) when opened. ▸ Allow the device to cool down.

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3 COMMISSIONING / CONFIGURING 3

3.1

Commissioning / configuring WARNING: Hot gases may escape Risk of burns from escaping hot gases.

▸ Open inlets of gas-carrying parts must be closed during device installation, assembly and commissioning to prevent leakage. ▸ ▸ Suitable protective measures against any escaping sample gas must be taken.

Personal protective equipment must be worn.

Temperature setting of the heating bands

The heating band settings ( see “Main hazards”, page 4 ) must first be made in the software

settings. The application-related settings must then be made in the control unit. For this purpose, it is necessary to locate the heating band setting in the control unit and make the setting with a slotted screwdriver.

Fig. 7: Heating band settings, SOPAS ET (Parameters / System Parameters) Fig. 8: Heating band settings on control unit

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3.2

COMMISSIONING / CONFIGURING 3

Connecting the heated extraction hose (optional)

The option of connecting a heated extraction hose is prepared at the factory for the FWE200DH with water back purge WBP. The electrical connection is made using the plug connector on the control unit. The power voltage supply and temperature sensor must be connected.

Fig. 9: Power voltage and temperature sensor connection

The heated extraction hose is controlled and regulated using the electronics in the FWE200DH. Temperatures can be configured using SOPAS ET. The power supply line to the plug connector is connected to the terminal for “Heater3” in the control unit.

The temperature sensor of the heated extraction hose is displayed as THeizer3 and is connected to T_Heat3 on the printed circuit board.

Electronic protection is provided by the “CB4” circuit breaker in the control unit.

Fig. 10: CB4 fuse for the heated extraction hose (Heater3)

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3 COMMISSIONING / CONFIGURING

3.3

Connecting the purge air heater

NOTE: Observe the warnings in the Operating Instructions of the purge air heater.

WARNING: Fire and explosion hazard through purge air heater Risk of life during use of air heaters.

▸ Fire and explosion hazard due to improper installation and use of air heaters, espe cially in the vicinity of flammable materials and explosive gases.

WARNING: Risk of burns through purge air heater Heating element and nozzle will become hot during operation. ▸ Allow the device to cool down.

▸ Do not direct hot air jet at people or animals.

NOTICE: Observe nominal voltage The nominal voltage indicated on the device must correspond to the power voltage, otherwise the device can be damaged.

IEC/EN 61000-3-11; Z max =0.065

Ω + j 0.040

Ω NOTICE: Atmospheric conditions Protect the device from moisture and humidity.

The option of connecting a heated extraction hose is prepared at the factory for the FWE200DH with water back purge WBP. The purge air heater is controlled using the MCU control unit of the FWE200DH. The power supply line to the purge air heater must be con nected to the terminals for “Heater4” in the control unit.

Fig. 11: Purge air heater with accessories for mounting on SLV7

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COMMISSIONING / CONFIGURING 3

Fig. 12: Power cable for purge air heater connection in the control unit Fig. 13: SLV7 with purge air heater installed on the base plate

Electrical protection is provided by the “CB5” circuit breaker in the control unit.

Fig. 14: CB5 fuse for the purge air heater

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3 COMMISSIONING / CONFIGURING

3.4

3.4.1

NOTE: The control unit of the FWE200DH only serves to control the power supply of the purge air heater and emergency shutdown in case of a fault.

NOTE: Operation of the purge air heater without air flow is not permitted.

For this reason, the power supply is only released when the following conditions are fulfilled: ● ● The purge air supply runs without faults Flow present in the measuring system ● No malfunctions present in the measuring system The purge air heater is switched off automatically when a malfunction occurs.

Setting parameters

The SOPAS ET operating program is necessary to configure the water back purge function. Installation and operation are described in the FWE200DH Operating Instructions.

Activating temperature control / heated extraction hose To activate the temperature control for the heated extraction hose, activate heater 3 (in the SOPAS ET menu: FWE200DH/Configuration/System parameter) and set as function: “Control with Temp. Sensor” (

see “Activating temperature control”, page 16 ).

Fig. 15: Activating temperature control

The desired default temperature for the heated extraction hose can be set in the temperature settings in the menu for heating circuit. The default value set at the factory setting is 80 °C, the maximum temperature 120 °C. NOTE: The internal heating hose self-fuse triggers at 205 °C and operation is switched off automatically.

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COMMISSIONING / CONFIGURING 3 3.4.2

Configuring the purge air heater The operating behavior can be configured in SOPAS ET. It is only possible to switch between “Deactive”, continuous operation (fixed value during blower on) and operation only during the control cycle (fixed value during purging).

Selection is made using the “Heater settings” menu in SOPAS ET. The default setting is con tinuous operation and connection to Heater4.

Fig. 16: Heater settings in SOPAS ET

The purge air temperature is controlled directly on the purge air heater. The factory setting of the purge air temperature is configured to 90 °C. The red regulator is locked in this position with a seal sticker. The purge air temperature can therefore only be modified by destroying the seal sticker, but this should only be done with great care. Protection against unintentional adjustment of the regulator must then be replaced.

CAUTION: The maximum temperature should not exceed 120 °C, otherwise damage to the system and purge air hoses is to be expected.

NOTE: The purge air temperature should only be changed under compliance with all relevant safety instructions and knowledge of potential dangers. If the purge air temperature on the purge air heater is changed, protection against unintentional adjustment of the controller must be provided again.

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3 COMMISSIONING / CONFIGURING

Fig. 17: Purge air heater

   Purge air actual temperature indicator Default temperature set indicator Controller for setting the default temperature    Further setting options and error messages are explained in the Operating Instructions of the purge air heater.

NOTE: The Operating Instructions for the purge air heater can be found on the supplied product CD.

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COMMISSIONING / CONFIGURING 3 3.4.3

Standard configuration flowchart The water back purge sequence can be configured in the SOPAS ET operating program using the SOPAS ET menu: FWE200DH/Configuration/Probe purge. ● ● ● ● Standard sequence set at the factory Start control cycle.

Function check DHSP200.

Output of control values DHSP200 on analog output.

Water purging cycle starts automatically.

1 2 3 4 5 6 7 8 DHSP200 moves to protected position.

Blower output set to 100%.

Valve 2 for purging the measuring cell and feedback line opens (approx. 30 s).

Valve 2 closes.

Ball valve opens and directs purge air flow directly into the swirl chamber.

Valve 1 for purging the sample line opens (approx. 30 s).

Valve 1 closes.

Blower dries the system.

9 Ball valve closes (normal measuring operation).

10 Wait until Tgas2 (sample gas) has reached the default temperature.

11 End of water purging, system returns to measuring operation.

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3 COMMISSIONING / CONFIGURING

Fig. 18: SOPAS ET Menu Water Purge Configuration

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4

4.1

4.2

MAINTENANCE 4 Maintenance

General information

This chapter only describes additional maintenance work to be carried out.

Maintenance work on the FWE200DH remains identical with the water back purge function fitted and must continue to be carried out at the specified intervals. Details can be found in the regular device Operating Instructions.

Before carrying out maintenance work, set the measuring system to “Maintenance” mode (see FWE200DH Operating Instructions).

In addition, the on-site water supply must be switched off.

Additional maintenance work for systems with water back purging Interval 1 week 6 months Work to be performed Visual inspection for leaks Replacing the water filter Checking the spray pattern Check the connection piece for the extraction hose on the swirl chamber for deposits. NOTE:

Observe the relevant safety regulations as well as safety notices ( see ”Responsibility of user”, page 6 ) during all work.

NOTE: ▸ Do not damage any device parts during maintenance work.

Switch off water supply during maintenance work Do not interrupt the purge gas supply.

Replacing the water filter

The water filter must be checked for contamination during regular maintenance of the FWE200DH. Replace the filter when there is visible contamination (

see “Spare parts / con sumables”, page 27 ).

Fig. 19: Water filter dismantled

 Water filter element 8024019/AE00/V1-0/2019-02| SICK Subject to change without notice A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 21

4 MAINTENANCE

4.3

Leak test of the water circuit

Leak tightness must be checked regularly because leaks in the area of the solenoid valves influence measuring accuracy.

For this purpose, leak tightness must be checked with a visual inspection during weekly maintenance. Check the pipework for traces of escaping water.

Leak tightness of the solenoid valves must be checked during half-yearly maintenance.

4 5 6 Proceed as follows: 1 2 3 Set the FWE200DH to “Maintenance” mode (see FWE200DH Operating Instructions).

Login as “Authorized Operator” (see FWE200DH Operating Instructions).

Close solenoid valves ( see “SOPAS ET-Menu Diagnosis/Probe purge”, page 22

). Start manual operation (open/close valves manually).

Remove solenoid valve hoses directly from the plug connector.

Check whether water escapes at the solenoid valves.

Reset “Maintenance” mode. Put the measuring system back into operation.

Fig. 20: SOPAS ET-Menu Diagnosis/Probe purge

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4.4

MAINTENANCE 4

Checking the spray pattern

The effect of water back purging can be reduced by contamination or damage in the area of the swirl chamber. For this reason the spray pattern must be checked regularly.

Proceed as follows: 1 2 3 4 5 Set device to Maintenance mode.

Remove the plug of the WBP swirl chamber cover (

ber cover”, page 23

).

Illuminate swirl chamber with suitable light source.

see “Sealing plug on WBP swirl cham Trigger the control cycle and check the water back purge function ( see “Water purging function test”, page 23 ).

Put the device back into operation.

If the spray pattern is not correct or does not hit the correct points, clean and check the pipes of the WBP swirl chamber cover and readjust when necessary. If this does not solve

the problem, replace the WBP swirl chamber cover ( see “Spare parts / consumables”, page 27 ).

Fig. 21: Sealing plug on WBP swirl chamber cover Fig. 22: Water purging function test

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5 MALFUNCTION MESSAGES 5 Malfunction messages Malfunctions NOTICE: Malfunctions can cause damage to the device.

The following malfunction messages are displayed on the control unit, the message is displayed with further information as full text in the SOPAS ET operating program.

CB4 CB5 Message ● ● Significance Fuse CB4 of the heated extraction hose has triggered or has been manually deactivated.

Fuse CB5 of the purge air heater has triggered or has been manually deactivated.

Water purging configura tion ● Water purging not activated.

THeiz3 control THeiz4 control Tmax Heiz3 Tmax Heiz4 ● Heater 3 control deviation.

● Heater 4 control deviation.

● Maximum temperature set reached.

● Maximum temperature set reached.

● Possible cause Current too high or manually deactivated.

● Current too high or manually deactivated.

● ● ● ● ● ● ● Measure Check power circuit for short circuit. Check power consumption.

Switch fuse back on.

Check power circuit for short circuit. Check current consumption.

Switch fuse back on.

Enter software key or contact SICK Service.

● ● ● ● ● ● ● ● Hardware activation not com pleted or software key not entered.

Temperature or other control value not reached.

● Temperature or other control value not reached.

Temperature reached.

Limit value set too low.

Flow rate too low.

Temperature reached.

Limit value set too low.

Flow rate too low.

● ● ● ● ● ● ● ● ● ● Check fuse.

Check nominal temperature.

Check settings.

Check fuse.

Check nominal temperature.

Check settings.

Temperature reached.

Limit set too low.

Flow rate too low.

Adapt limit value.

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6

6.1

REPAIR WORK 6 Repair work NOTE: Repair work may only be carried out by trained personnel. Put on personal protective equipment according to the potential danger.

Replacing the WBP control block

If there is a defect in the components of the WBP control block, it must be completely replaced. ▸ WBP control block, Part No.: 2106005

Fig. 23: WBP control block

    Pressure reducer Solenoid valves Solenoid valve connectors Separator bolts        ● ● ● ● ● ● ● Worksteps to replace the WBP control block: Turn the water off.

Disconnect water hose on pressure reducer  .

Disconnect water hoses from solenoid valves  .

Disconnect solenoid valve plugs  .

Loosen two separator nuts  . Remove the complete WBP control block.

Fit the new WBP control block in reverse sequence.

Make sure the plugs of the solenoid valves and water hoses are connected in the correct connections. The connections are color coded to simplify this.

8024019/AE00/V1-0/2019-02| SICK Subject to change without notice A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 25

6 REPAIR WORK

6.2

Replacing the WBP ball valve

Replace the WBP ball valve when it is leaking or otherwise defective.

▸ WBP ball valve Part No.: 2106071

Fig. 24: WBP ball valve

  Hose fitting Base plate mounting     3 4 5 6 7 Worksteps to replace the WBP ball valve: 1 2 8 Loosen both screw fittings 1 (2×) on the WBP ball valve. Remove hose connections.

Loosen the solenoid valve plugs on the WBP control block (

see “WBP control block”, page 25

).

Disconnect the plug in the control cabinet. Disconnect the individual lines.

Loosen the two screws of base plate 2 (2×). Remove the WBP ball valve.

Screw the new WBP ball valve with base plate to the two fixing points.

Connect the solenoid valves. Pay attention to the color coding.

Lead the connecting line into the control cabinet. Connect the plug to the connecting ter minal according to the wiring diagram (see FWDE200DH Operating Instructions).

Check the function of the WBP ball valve by checking the spray pattern (

see “Checking the spray pattern”, page 23 ).

26 A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 8024019/AE00/V1-0/2019-02| SICK Subject to change without notice

TECHNICAL DATA 7 7 Technical data Water back purge requirements Water quality Drinking water or purified process water (without limescale and solid residues) Provide a pre-filter if necessary.

Water pressure Water temperature Feed with 3…10 barg Max. 60 °C Purging pressure Water flow rate Water requirement Purging duration 3 barg (min. 2 barg, max. 6 barg) Flow rate during purging 5 liters/min Approx. 5...20 liters per purge process (depending on configuration) Approx. 3…4 minutes Purging processes Power input Purge air heater Heated extraction hose Standard 3 purges per day (configurable using a control cycle interval) Max. 1 kW Max. 0.3 kW

7.1

Optional components 7.2

Designation Heated extraction hose 230 V, hose 1400 mm, heat sheath 1100 mm Heated extraction hose 115 V, hose 1400 mm, heat sheath 1100 mm Purge air heater 230 V with accessories for assembly on SLV7 base plate Purge air heater 115 V with accessories for assembly on SLV7 base plate

Spare parts / consumables

Part No.

2082195 2094377 2105688 2106812 Designation WBP control block WBP: 2× solenoid valves incl. hose connection and pressure reducer with filter and base plate Hose set: 2 m blue hose WBP swirl chamber cover incl. baffle plate WBP ball valve connection set; connection for purge air hose at top and bottom of WBP ball valve (material: PTFE) WBP ball valve WBP: Incl. line for control cabinet and 2× solenoid valve plugs Water filter Part No.

2106005 2106006 2106007 2106008 2106071 5340636 8024019/AE00/V1-0/2019-02| SICK Subject to change without notice A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 27

7 TECHNICAL DATA

Fig. 25: Spare part WBP control block 2106005.

Fig. 26: Spare part hose set 2106006 Fig. 27: Spare part WBP swirl chamber cover 2106007

28 A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 8024019/AE00/V1-0/2019-02| SICK Subject to change without notice

Fig. 28: Spare part WBP ball valve connection set 2106008

TECHNICAL DATA 7

Fig. 29: Spare part WBP ball valve 2106071

8024019/AE00/V1-0/2019-02| SICK Subject to change without notice A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH 29

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