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EKOM DK50 4VR/50 Installation, Operation And Maintenance Manual

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Summary of Contents for EKOM DK50 4VR/50

  • Page 2: Table Of Contents

    DK50 4VR/50 CONTENTS IMPORTANT INFORMATION ......................... 3   CE MARKING ..........................3     WARNINGS ..........................3     ALERT NOTICES AND SYMBOLS .................... 4     STORAGE AND TRANSPORT ....................4     TECHNICAL DATA ........................5    ...

  • Page 3: Important Information

    DK50 4VR/50 IMPORTANT INFORMATION CE MARKING Products labeled with the CE mark of compliance meet the safety guidelines (93/42/EEC) of the European Union. WARNINGS 2.1. General warnings  This Installation, Operation and Maintenance Manual is a part of the appliance and must be kept with the compressor.

  • Page 4: Alert Notices And Symbols

    DK50 4VR/50 ALERT NOTICES AND SYMBOLS In the Installation, Operation and Maintenance Manual and on packaging and product, the following labels or symbols are used for important information: Attention, see instructions for use Caution, risk of electric shock Consult instructions for use...

  • Page 5: Technical Data

    DK50 4VR/50 TECHNICAL DATA DK50 4VR/50 DK50 4VR/50S Rated voltage / V / Hz frequency 3x400/50 3x400/50 Compressor output L.min at pressure of 6 bar Compressor output at 6 bar with dryer L.min Peak compressor current Maximum compressor current with dryer...

  • Page 6: Product Description

    Compressors models are designed for the following uses: Dental compressors DK50 4VR/50 - are designed for independent installation in a suitable environment. Dental compressors DK50 4VR/50/M - are designed for independent installation in a suitable environment and are equipped with an air dryer. (MD, NDM )
  • Page 7 DK50 4VR/50 6.2. Optional accessories Products may be equipped with optional accessories that are not included with the basic product and must be ordered separately: Filter regulator / set 603022106-000 / The filter regulator filters out impurities in the compressed air down to a size of 5 m.

  • Page 8: Function

    DK50 4VR/50 FUNCTION Compressor (Fig.1) The compressor (1) draws in air through a filter (8) and compresses it through a check valve (3) into an air tank (2). The connected apparatus draws the compressed air from the air tank until the pressure drops to a default preset level on the air-pressure switch (4) switching the compressor on.
  • Page 9 DK50 4VR/50 Fig. 1 - Compressor Compressor Air tank Check valve Pressure switch Safety valve Pressure gauge Condensate drain valve Inlet filter Compressor fan 10. Compressor wheel 11. Hour meter 12. Dryer cooler 13. Plug 14. Membrane dryer (MD) 15. Micro-filter 16.
  • Page 10 DK50 4VR/50 Fig. 3 - Compressor with adsorption dryer (NDM ) NP-DK50 4VR50-11_04-2018 - 10 - 04/2018...
  • Page 11 DK50 4VR/50 Fig. 4 - Cabinet 04/2018 - 11 - NP-DK50 4VR50-11_04-2018...

  • Page 12: Installation

    DK50 4VR/50 INSTALLATION  The appliance must be installed and operated in a dry, well ventilated and dust-free area where ambient temperature is within the range of +5°C to +40°C and relative air humidity does not exceed 70%. Otherwise, failure-free operation of the compressor cannot be guaranteed. The compressor must be installed so that it is accessible at all times for operation and maintenance.
  • Page 13 DK50 4VR/50 Dental compressor DK50 4VR/50 (Fig. 5) After unpacking the equipment, position it on the floor and free it from all packing materials and remove the fixation components (X and Y) - see Detail A. Connect the outlet pressure hose to the connector on the device.
  • Page 14  remove jumper Z to eliminate the connection to terminal strip X1 (Fig. a-d)  connect the cord to socket X2 (Fig.e) / X2, X3 - DK50 4VR/50/M(NDM) (Fig.f). once the compressor is installed in the enclosure NP-DK50 4VR50-11_04-2018 - 14 -...
  • Page 15 Z (Art. 033190119-000) – to make the connection to terminal strip X1 (Fig. 1-4)  connect the cord to socket X2 (Fig.5) / X2, X3 - DK50 4VR/50/M(NDM) (Fig.6) once the compressor is installed in the enclosure 04/2018...

  • Page 16: Wiring Diagrams

    DK50 4VR/50 9.2. Compressed air outlet (Fig.7) At the compressed air outlet (1) of the compressor, connect the pressure hose. Connect the hose to the appliance. Fig.7 9.3. Electrical connection Plug the electrical cord into the mains. The appliance is equipped with a grounded plug. Make sure this connection complies with local electrical codes.
  • Page 17 DK50 4VR/50 3/N/PE ~ 400 V 50 Hz MAINS TN-S [TN-C-S] Pressure switch ELECTRIC OBJECT 1ST CAT. E1, E2 Compressor fan TYPE B Thermo switch Compressor motor Breaker Bridge =ON => compressor without box Contactor Bridge =OFF => compressor with box...

  • Page 18: Pneumatic Diagram

    DK50 4VR/50 3/N/PE ~ 400 V 50 Hz MAINS TN-S [TN-C-S] ELECTRIC OBJECT 1ST CAT. TYPE B Pressure switch E1, E2 Compressor fan Bridge =ON => compressor without box Dryer fan Bridge =OFF => compressor with box Temperature switch Compressor motor...

  • Page 19: First Operation

    DK50 4VR/50 DK50 4VR/50/M (NDM) DK50 4VR/50/M (MD) FIRST OPERATION Make sure that all stabilizers used during transport were removed.  Check that all pressurized air line connections are secure.  Connect to the mains.  Start compressor at pressure switch (2) by turning switch (3) to position “I.“(Fig.9) ...

  • Page 20: Operation

    DK50 4VR/50 OPERATION In case of emergency, disconnect the compressor from the mains (pull out the mains  plug). The compressor has hot surfaces. Burns or fire may result if contact is made.  During prolonged operation of the compressor, the temperature in the box may increase to over 40°C.
  • Page 21 DK50 4VR/50 CONTROL PANEL SCREENS FOR THE NDM DRYER -Supplier -Supplier contact -Operating hours -Chamber A (B) in operation Status messages Low pressure a) From compressor start-up until pressure reaches 5.5 bar b) During operation if pressure drops below 5.1 bar...

  • Page 22: Maintenance

    DK50 4VR/50 MAINTENANCE 14. MAINTENANCE SCHEDULE Notice! The operating entity is obliged to ensure that all tests of the equipment are carried out repeatedly at least once within every 24 months (EN 62353) or in intervals as specified by the applicable national legal regulations.
  • Page 23 DK50 4VR/50 15.2. Condensation drain valve Compressors (Fig.10) Switch off the compressor at the mains. Reduce air pressure in the appliance to max. 1 bar by releasing air via a connected device. Place the vessel under release valve (1) and open it. Wait until condensation is fully drained from the pressure tank.
  • Page 24 DK50 4VR/50 15.6. Replace the filter element (Fig.12) 1. Release the catch (1) on the filter by pulling down, rotate the vessel (2) and pull out. 2. Pull out the holder with filter (3),rotate and take out from the vessel.

  • Page 25: Storage

    DK50 4VR/50 15.9. Clean the cooler ribs and the fan For permanently high efficiency, it is necessary to maintain the whole equipment and especially the cooler´s fan and the cooler itself clean – 1x year suck or blow settled dust out with compressed air from the surface of the cooling ribs and the fan.
  • Page 26 DK50 4VR/50 Troubleshooting can be performed only by qualified personnel. FAILURE POSSIBLE CAUSE REMEDY Compressor does not start No voltage in pressure switch Check voltage in socket Check fuse – replace faulty one Loosen terminal – tighten it Check power cord – replace faulty one...
  • Page 27 DK50 4VR/50 NP-DK50 4VR50-11_04-2018 - 130 - 04/2018 NP-DK50 4VR50-11_04-2018 112000123-000...

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