Beko DRYPOINT RA CT NA Series Instructions For Installation And Operation Manual
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Beko DRYPOINT RA CT NA Series Instructions For Installation And Operation Manual

Compressed air refrigeration dryer
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Instructions for installation and operation
Compressed air refrigeration dryer
®
DRYPOINT
RA CT 20-500 NA
1

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Elisabetta
July 6, 2025

With my beko bdp010 I have hotel air. Why?

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July 6, 2025

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Summary of Contents for Beko DRYPOINT RA CT NA Series

  • Page 1 EN - english Instructions for installation and operation Compressed air refrigeration dryer ® DRYPOINT RA CT 20-500 NA...

  • Page 2: Electric Diagram Drypoint Ra Ct 200-500 Na 3Phase

    Dear customer, Thank you for deciding in favour of the DRYPOINT® RA CT 20-500 NA compressed-air refrigeration dryer. Please read these installation and operating instructions carefully before mounting and starting up the DRYPOINT® RA CT 20- 500 NA and follow our directions. Perfect functioning of the DRYPOINT® RA CT 20-500 NA and thus reliable compressed-air drying can only be guaranteed when the provisions and notes stipulated here are strictly adhered to.

  • Page 3: Table Of Contents

    Contents     Type plate     Safety instructions     Safety pictograms in accordance with DIN 4844     Signal words in accordance with ANSI     Overview of the safety instructions     Proper use     Exclusion from a field of application  ...
  • Page 4 Electric diagram DRYPOINT RA CT 200-500 NA 3phase 1/3     13.3.8 Electric diagram DRYPOINT RA CT 200-500 NA 3phase 2/3     13.3.9 Electric diagram DRYPOINT RA CT 200-500 NA 3phase 3/3 Pos: 1 /Beko Technische Dokumentation/Überschriften/1/Sicherheitshinweise @ 0\mod_1183637609261_6.doc @ 5365 DRYPOINT® RA CT 20-500 NA...

  • Page 5: Type Plate

    This manual must be available at all times for future reference and is a constituent part of the dryer. If you have any queries regarding these installation and operating instructions, please contact BEKO TECHNOLOGIES GMBH.

  • Page 6: Safety Pictograms In Accordance With Din 4844

    Do not operate with open cover (housing) Maintenance works or controlling measures must only be carried out by qualified personnel Do not smoke Note Pos: 4 /Beko Technische Dokumentation/Sicherheit/Gefahr Druckluft @ 0\mod_1184148143854_6.doc @ 577 ARIA Connection point compressed-air inlet LUFT...
  • Page 7 Safety instructions Works can be carried out by the operator of the plant, provided that they are skilled accordingly NOTE: Text that contains important specifications to be considered – does not refer to safety precautions. The device was carefully designed with particular attention paid to environmental protection: ...

  • Page 8: Signal Words In Accordance With Ansi

    Make sure that the power supply is switched off and that the device is off and marked for maintenance measures. Please also ensure that the power supply cannot be re-established during the works. Pos: 7 /Beko Technische Dokumentation/Sicherheit/Maßnahmen Netzspannung BM 31/32/33 @ 0\mod_1216898430699_6.doc @ 11319 Caution! Refrigerant! The compressed-air refrigeration dryer uses HFC-containing refrigerants as a coolant.
  • Page 9 Safety instructions Warning! Refrigerant leak! A refrigerant leak involves the danger of serious injury and damage to the environment. The DRYPOINT® RA CT 20-500 NA compressed-air refrigeration dryer contains fluorinated greenhouse gas/refrigerant. Installation, repair and maintenance works at the refrigeration system must only be carried out by certified skilled personnel (specialists).
  • Page 10 Operators of the devices must observe the local and national pressure equipment regulations in the country of installation. Pos: 8 /Beko Technische Dokumentation/Sicherheit/Sicherheitshinweise, weitere BM (nicht Ex) @ 0\mod_1183616103770_6.doc @ 4009os: 9 /Beko Technische Dokumentation/Sicherheit/Zusatz Sicherheitshinweise BM33 @ 0\mod_1231926887620_6.doc @ 12829s: 10 /Beko Technische Dokumentation/Sicherheit/Vorsicht Fehlfunktion @ 0\mod_1214378096290_6.doc @ 9359 Note!

  • Page 11: Proper Use

    This dryer is not suitable for the treatment of contaminated air or of air containing solids. Pos: 16 /Beko Technische Dokumentation/Bestimmungsgemäße Verwendung/BEKOMAT/Ausschluß Anwendung BM 31/32/33 @ 0\mod_1236003837511_6.doc @ 13736 Operating instructions in accordance with the 97/23/EC Pressure Equipment Directive The DRYPOINT®...

  • Page 12: Transport

    Transport Transport Check the packaging for visible loss or damage. If no visible damage can be ascertained, place the unit in close proximity to the place of installation and unpack the device. During this procedure, the dryer must always remain in an upright position. The components may be damaged when the unit is tilted or turned upside down.

  • Page 13: Technical Description

    Technical description Technical description Control panel The control panel explained below is the only dryer user interface. RA CT 20 –100 1 Main switch Electronic control unit DMC 51 reset Air and refrigerant gas flow chart RA CT 125 – 500 1 Main switch Electronic control unit DMC 51 reset...

  • Page 14: Functional Description

    Technical description Functional description Operating principle – All dryer models described in this manual function according to the same principle. The hot and moisture-loaded air is led into an air/air heat exchanger. Afterwards, the air flows through an evaporator, which is also known as an air/refrigerant heat exchanger.

  • Page 15: Flow Chart

    Technical description Flow chart 12.2 P< P> 12.1 Aluminium heat exchanger module Filter dryer a – Air/air heat exchanger Capillary tube b – Air/refrigerant heat exchanger 12.1 T1 temperature sensor (dew point) T2 temperature sensor (compressor discharge) c – Condensate separator 12.2 (RA CT 125-500) Refrigerant pressure switch LPS (P<)

  • Page 16: Refrigerating Compressor

    Technical description Refrigerating compressor The employed refrigerating compressors are constructed by leading manufacturers. The hermetically sealed construction is absolutely gastight. The integrated safeguard protects the compressor against overheating and excess current. The protection is automatically reset as soon as the nominal conditions are reached again. Condenser The condenser is the component in which the gas coming from the compressor is cooled down, condensed and liquefied.

  • Page 17: Hot-Gas Bypass Valve

    Technical description Hot-gas bypass valve At partial load, the valve directly returns a part of the hot gas to the suction line of the refrigerating compressor. The evaporation temperature and the evaporation pressure remain constant. ADJUSTMENT The hot gas by-pass valve is adjusted during the manufacturing testing phase. As a rule no adjustment is required;...

  • Page 18: Dmc 51 Electronics (Control Unit Compressed-Air Dryer)

    Technical description 8.12 DMC 51 electronics (control unit compressed-air dryer) Led - temperature in °C Led - temperature in °F Led - compressor ON Led – Alarm reset Led - service warning Button – access configuration menu / Discharge temp. Button –...

  • Page 19: Indication Of A Service Warning

    Technical description 8.12.4 Indication of a Service Warning A service warning is an exceptional event and requires the attention of the operator/service technician. The dryer will not be stopped. When a service warning is active, the Led flashes. When a service warning is no longer active but not reset yet (so it has been stored) Led is continuously on.

  • Page 20: Operation Of The Service Warning / Alarm Signal

    Technical description 8.12.6 Operation of the Service Warning / Alarm signal The DMC 51 is equipped with a 12Vdc signal (max 15 mA) to indicate service warning or alarm conditions. Dryer is switched on, no service warning and no alarm (active and not yet reset) are indicated.

  • Page 21: Installation

    Installation Installation Place of installation Note! Ambient conditions! In the event that the dryer is not installed under suitable ambient conditions, the ability of the device to condense refrigerant gas is impaired. This can result in a higher load of the refrigerating compressor, and in a loss of efficiency and performance of the dryer.

  • Page 22: Installation Plan

    Installation Installation plan - A - Air compressor Aftercooler Condensate separator Prefilter Bypass group Dryer Compressed-air tank - B - Final filter Bekomat condensate drain Installation type A is recommended when the total consumption corresponds to the throughput rate of the compressor. Installation type B is recommended when the air consumption constantly varies, with peak values which considerably exceed the throughput rate of the compressor.

  • Page 23: Correction Factors

    Installation Correction factors Correction factor for operating pressure modifications: Inlet air pressure psig barg Factor (F1) 0.79 0.91 1.00 1.07 1.13 1.18 1.23 1.27 Correction factor for ambient temperature modifications: Ambient temperature ºF ºC Factor (F2) 1.11 1.09 1.06 1.00 0.94 0.87 0.78...

  • Page 24: Connection To The Compressed-Air System

    Installation Connection to the compressed-air system Danger! Compressed air! All works must only be carried out by qualified skilled personnel. Never work on compressed-air systems which are under pressure. The operator or the user must ensure that the dryer is never operated with a pressure exceeding the maximum pressure value indicated on the type plate.

  • Page 25: Electrical Connections

    Installation Electrical connections Danger! Supply voltage! The connection to the electric mains should only be carried out by qualified skilled personnel and must correspond to the legal provisions in force in your region. Prior to connecting the device, please check the type plate to avoid exceeding the indicated values. The voltage tolerance is +/- 10%.

  • Page 26: Start-Up

    Start-up 10 Start-up 10.1 Preliminary stages Note! Exceeding of the operating parameters! Ensure that the operating parameters comply with the nominal values indicated on the type plate of the dryer (voltage, frequency, air pressure, air temperature, ambient temperature etc.). Prior to delivery, this dryer was thoroughly tested, checked and packed. Please verify the reliability of the dryer during the initial start-up and check the perfect functioning during the first operating hours.

  • Page 27: Shut Down And Restart

    Start-up In the cycling operating mode (Energy Saving, ESS=YES – see section 8.12.7), the refigerating compressor is switched ON and OFF by the DMC51 electronic control unit, according to thermal load applied to the dryer. The dryer needs to be switched on during the entire compressed-air usage time, even if the compressed-air compressor works periodically.

  • Page 28: Technical Data

    Technical data 11 Technical data 11.1 Technical data DRYPOINT RA CT 20-200 NA 1/115/60 DRYPOINT® RA CT 20-500 NA...

  • Page 29: Technical Data Drypoint Ra Ct 20-500 Na 1/230/60

    Technical data 11.2 Technical data DRYPOINT RA CT 20-500 NA 1/230/60 DRYPOINT® RA CT 20-500 NA...

  • Page 30: Technical Data Drypoint Ra Ct 200-500 Na 3Phase 3/460/50

    Technical data 11.3 Technical data DRYPOINT RA CT 200-500 NA 3phase 3/460/50 DRYPOINT® RA CT 20-500 NA...

  • Page 31: Technical Data Drypoint Ract 200-500 Na 3Phase 3/380/60

    Technical data 11.4 Technical data DRYPOINT RACT 200-500 NA 3phase 3/380/60 DRYPOINT® RA CT 20-500 NA...

  • Page 32: Maintenance, Troubleshooting, Spare Parts And Dismantling

    Maintenance, troubleshooting, spare parts and dismantling 12 Maintenance, troubleshooting, spare parts and dismantling 12.1 Checks and maintenance Certified skilled personnel Installation works must exclusively be carried out by authorised and qualified skilled personnel. Prior to undertaking any measures on the DRYPOINT® RA CT 20-500 NA compressed-air refrigeration dryer, the certified skilled personnel shall read up on the device by carefully studying the operating instructions.

  • Page 33: Troubleshooting

    Maintenance, troubleshooting, spare parts and dismantling DAILY: • Check whether the dew point indicated on the electronics is correct. • Ensure that the condensate drain system functions properly. • Make sure that the condenser is clean. EVERY 200 HOURS OR MONTHLY •...
  • Page 34 3. The ambient temperature is too high or the room aeration is insufficient - provide proper ventilation. 4. The solenoid valve EVL is not operating correctly - see specific point. 5. If installed - The check valve CHV is jammed (open) - contact a BEKO service technician to replace it. ...
  • Page 35  The ambient temperature is too low – restore nominal conditions. ESS=NO  The hot gas bypass valve is out of setting – contact a BEKO service technician to restore (see section 8.12.7) nominal setting.   Dew point too low...
  • Page 36 BEKO service technician to restore nominal setting. 7. The solenoid valve EVL is not operating correctly - see specific point. 8. There is a leak in the refrigerant circuit – please contact a BEKO service technician.  wait 30 minutes and then retry.
  • Page 37 1. The inlet air is too cold – restore the nominal conditions. 2. The ambient temperature is too low - restore the nominal conditions. 3. The hot gas bypass valve is out of setting – contact a BEKO service technician to restore nominal setting.

  • Page 38: Recommended Spare Parts

    Maintenance, troubleshooting, spare parts and dismantling 12.3 Recommended spare parts NOTE: To order the recommended spare parts or other elements, the data on the type plate must be indicated. DRYPOINT® RA CT 20-500 NA...
  • Page 39 Maintenance, troubleshooting, spare parts and dismantling DRYPOINT® RA CT 20-500 NA...
  • Page 40 Maintenance, troubleshooting, spare parts and dismantling DRYPOINT® RA CT 20-500 NA...

  • Page 41: Maintenance Works At The Refrigeration Cycle

    When delivered, the dryer is ready to operate and filled with a refrigerant of the R134a or R407C type. Should you detect a refrigerant leak, please contact a BEKO service technician. Prior to any intervention, the room needs to be ventilated.

  • Page 42: Appendices

    Appendices 13 Appendices 13.1 Dryer dimensions 13.1.1 Dryer dimensions DRYPOINT RA CT 20-50 NA DRYPOINT® RA CT 20-500 NA...

  • Page 43: Dryer Dimensions Drypoint Ra Ct 75 Na

    Appendices 13.1.2 Dryer dimensions DRYPOINT RA CT 75 NA DRYPOINT® RA CT 20-500 NA...

  • Page 44: Dryer Dimensions Drypoint Ra Ct 100-150 Na

    Appendices 13.1.3 Dryer dimensions DRYPOINT RA CT 100-150 NA DRYPOINT® RA CT 20-500 NA...

  • Page 45: Dryer Dimensions Drypoint Ra Ct 200-250 Na

    Appendices 13.1.4 Dryer dimensions DRYPOINT RA CT 200-250 NA DRYPOINT® RA CT 20-500 NA...

  • Page 46: Dryer Dimensions Drypoint Ra Ct 300-350 Na

    Appendices 13.1.5 Dryer dimensions DRYPOINT RA CT 300-350 NA DRYPOINT® RA CT 20-500 NA...

  • Page 47: Dryer Dimensions Drypoint Ra Ct 400-500 Na

    Appendices 13.1.6 Dryer dimensions DRYPOINT RA CT 400-500 NA DRYPOINT® RA CT 20-500 NA...

  • Page 48: Dryer Dimensions Drypoint Ra Ct 200-250 Na 3Phase

    Appendices 13.1.7 Dryer dimensions DRYPOINT RA CT 200-250 NA 3phase DRYPOINT® RA CT 20-500 NA...

  • Page 49: Dryer Dimensions Drypoint Ra Ct 300-350 Na 3Phase

    Appendices 13.1.8 Dryer dimensions DRYPOINT RA CT 300-350 NA 3phase DRYPOINT® RA CT 20-500 NA...

  • Page 50: Dryer Dimensions Drypoint Ra Ct 400-500 Na 3Phase

    Appendices 13.1.9 Dryer dimensions DRYPOINT RA CT 400-500 NA 3phase DRYPOINT® RA CT 20-500 NA...

  • Page 51: Exploded Diagrams

    Appendices 13.2 Exploded diagrams 13.2.1 Components of the exploded diagrams Al drying module Front panel Insulation material Back plate Refrigerant pressure switch LPS Right sidewall Refrigerant pressure switch HPS Left sidewall Refrigerant fan pressure switch PV Cover Compressor Base plate Hot-gas bypass valve Upper plate Condenser...

  • Page 52: Exploded Diagram Drypoint Ra Ct 20-30 Na

    Appendices 13.2.2 Exploded diagram DRYPOINT RA CT 20-30 NA DRYPOINT® RA CT 20-500 NA...

  • Page 53: Exploded Diagram Drypoint Ra Ct 50 Na

    Appendices 13.2.3 Exploded diagram DRYPOINT RA CT 50 NA DRYPOINT® RA CT 20-500 NA...

  • Page 54: Exploded Diagram Drypoint Ra Ct 75 Na

    Appendices 13.2.4 Exploded diagram DRYPOINT RA CT 75 NA DRYPOINT® RA CT 20-500 NA...

  • Page 55: Exploded Diagram Drypoint Ra Ct 100 Na

    Appendices 13.2.5 Exploded diagram DRYPOINT RA CT 100 NA DRYPOINT® RA CT 20-500 NA...

  • Page 56: Exploded Diagram Drypoint Ra Ct 125-150 Na

    Appendices 13.2.6 Exploded diagram DRYPOINT RA CT 125-150 NA DRYPOINT® RA CT 20-500 NA...

  • Page 57: Exploded Diagram Drypoint Ra Ct 200-250 Na

    Appendices 13.2.7 Exploded diagram DRYPOINT RA CT 200-250 NA DRYPOINT® RA CT 20-500 NA...

  • Page 58: Exploded Diagram Drypoint Ra Ct 300-350 Na

    Appendices 13.2.8 Exploded diagram DRYPOINT RA CT 300-350 NA DRYPOINT® RA CT 20-500 NA...

  • Page 59: Exploded Diagram Drypoint Ra Ct 400-500 Na

    Appendices 13.2.9 Exploded diagram DRYPOINT RA CT 400-500 NA DRYPOINT® RA CT 20-500 NA...

  • Page 60: Exploded Diagram Drypoint Ra Ct 200-250 Na 3Phase

    Appendices 13.2.10 Exploded diagram DRYPOINT RA CT 200-250 NA 3phase DRYPOINT® RA CT 20-500 NA...

  • Page 61: Exploded Diagram Drypoint Ra Ct 300-350 Na 3Phase

    Appendices 13.2.11 Exploded diagram DRYPOINT RA CT 300-350 NA 3phase DRYPOINT® RA CT 20-500 NA...

  • Page 62: Exploded Diagram Drypoint Ra Ct 400-500 Na 3Phase

    Appendices 13.2.12 Exploded diagram DRYPOINT RA CT 400-500 NA 3phase DRYPOINT® RA CT 20-500 NA...

  • Page 63: Electric Diagrams

    Appendices 13.3 Electric diagrams 13.3.1 Electric diagrams – list of components Compressor Compressor thermal protection Compressor starting relay Compressor starting capacitor Compressor operating capacitor Condenser fan Fan starting capacitor (if installed) DMC51 DMC51 electronic instrument – air dryer control – main module DMC51 electronic instrument –...

  • Page 64: Electric Diagram Drypoint Ra Ct 20-100 Na

    Appendices 13.3.2 Electric diagram DRYPOINT RA CT 20-100 NA DRYPOINT® RA CT 20-500 NA...

  • Page 65: Electric Diagram Drypoint Ra Ct 125-150 Na

    Appendices 13.3.3 Electric diagram DRYPOINT RA CT 125-150 NA DRYPOINT® RA CT 20-500 NA...

  • Page 66: Electric Diagram Drypoint Ra Ct 200-250 Na

    Appendices 13.3.4 Electric diagram DRYPOINT RA CT 200-250 NA DRYPOINT® RA CT 20-500 NA...

  • Page 67: Electric Diagram Drypoint Ra Ct 300-350 Na

    Appendices 13.3.5 Electric diagram DRYPOINT RA CT 300-350 NA DRYPOINT® RA CT 20-500 NA...

  • Page 68: Electric Diagram Drypoint Ra Ct 400-500 Na

    Appendices 13.3.6 Electric diagram DRYPOINT RA CT 400-500 NA DRYPOINT® RA CT 20-500 NA...

  • Page 69: Electric Diagram Drypoint Ra Ct 200-500 Na 3Phase

    Appendices 13.3.7 Electric diagram DRYPOINT RA CT 200-500 NA 3phase 1/3 DRYPOINT® RA CT 20-500 NA...
  • Page 70 Appendices 13.3.8 Electric diagram DRYPOINT RA CT 200-500 NA 3phase 2/3 DRYPOINT® RA CT 20-500 NA...

  • Page 71: Electric Diagram Drypoint Ra Ct 200-500 Na 3Phase

    Appendices 13.3.9 Electric diagram DRYPOINT RA CT 200-500 NA 3phase 3/3 DRYPOINT® RA CT 20-500 NA...
  • Page 72 Appendices DRYPOINT® RA CT 20-500 NA...
  • Page 73 Appendices DRYPOINT® RA CT 20-500 NA...
  • Page 74 Appendices DRYPOINT® RA CT 20-500 NA...
  • Page 75 Hot-gas bypass valve ......... 17 A  I  Advice, safety instructions ........5 Appendices ............42 Initial start-up ............26 Installation ............21 B  Installation plan ........... 22 BEKOMAT ............20 M  C  Maintenance ............32 Capillary tube ............16 Maintenance works at the refrigeration cycle ..41 Certified skilled personnel ......
  • Page 76 Original operating instructions in English. Subject to technical changes / errors excepted. DRYPOINT_RACT_20-500_NA_manual_en_2014_09 7425MUM281_EN_2014-09...

This manual is also suitable for:

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