Becker VARIAIR DIRECT SCREW 1500 Operating Manual
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Becker VARIAIR DIRECT SCREW 1500 Operating Manual

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DIN EN ISO 9001
DIN EN ISO 9001
001929 QM
001929 QM
Operating Manual
Page: 1

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Summary of Contents for Becker VARIAIR DIRECT SCREW 1500

  • Page 1 DIN EN ISO 9001 DIN EN ISO 9001 001929 QM 001929 QM Operating Manual Page: 1...

  • Page 2: Table Of Contents

    Contents 1 Operating instructions ....................3 2 Operating instructions for unit control ................ 4 2.1 Operating modes of the rotary screw compressor ..........4 2.2 Use of the frequency inverter display ..............5 2.3 Security devices ..................... 6 2.4 Initial operation ....................... 7 2.5 Error messages and troubleshooting ..............

  • Page 3: Operating Instructions

    “Operation”, as well as VBG 4 “Electric machinery Filling in oil and Equipment”. Use the oil brand BECKER LUBE G70 Changes of design or modifications to the pump are (or, alternatively, oil complying with ISO subject to prior permission by the factory.

  • Page 4: Operating Instructions For Unit Control

    Check the oil level regularly: During operation, the oil level may not drop below 2/3 of the view window MI (Fig. 2). VARIAIR DIRECT SCREW 1500 2. Control instructions 2.1 Operating modes of the rotary screw unit With SPS control: •...

  • Page 5: Use Of The Frequency Inverter Display

    2.2 Use of the frequency inverter display display line 1 line 2 line 3 line 4 Quick Main Alarm Status Menu Menu arrow up arrow down Warn. Alarm Auto Hand Reset Display modes of various operational data The following operational data can be visualized on the display: System pressure display “System pressure [mbar]”...

  • Page 6: Security Devices

    Changing parameters According to the parameter overview in section 2.6, only the “adjustable parameters” may be modified cor- responding to the intended use of the unit. These parameters can be accessed as described in III. When the parameter to be changed appears in the display of the frequency inverter, it can be changed using the following combination of keys: a) key: OK The parameter to be modified is highlighted by a flashing line.

  • Page 7: Initial Operation

    Other safeguards • Motor PTC resistor: The driving motor is protected by an integrated PTC resistor. In case of overheating, it will cause a malfunction in the frequency inverter, which, in its turn, will result in a shutdown of the unit. The message “Motor Thermistor”...
  • Page 8 Driving motor: Directly behind the flanged connection to the pump housing, the motor housing has openings for checking the direction of rotation of the motor. The latter has to correspond to the direction of the arrow affixed to the outside of the motor cabinet. Should this not be the case, the direction of rotation can only be changed by exchanging two phases at the outlet of the frequency inverter.
  • Page 9 Trouble-shooting in case of malfunction Error diagnosis: If an error has occurred and resulted in shutdown of the unit, the cause of the error • should be investigated in accordance with the table shown in section 2.5: (Error messages and troubleshooting). Only after doing so the unit should be restarted in accordance with the methods stated below.

  • Page 10: Error Messages And Troubleshooting

    Page: 10...
  • Page 11 Page: 11...
  • Page 12 Other malfunctions Problem Cause Remedial action Unit does not start-up when Parameter 19-43 “SPS Y/N” Change parameter 19-43 to value -1 pressing [START] key was set to the value 1 Unit does not start-up when Previous manual stop Press [START] key running in automatic/SPS mode SPS release signal missing at clamp 18 Check the electric wiring of the release line...

  • Page 13: Parameter Overview

    2.6 Parameter overview Parameters relating to the operational data (The numerical values are continuously updated in display line 4!) parameter text in display line 3 meaning 19-10 working hours [h] FU working hours 19-11 motor hours [h] working hours of the motor/level 19-12 frequency [Hz] current frequency 19-13 mains voltage [V] current mains voltage...
  • Page 14 Adjustable parameters parameter text in display settings in display line 2 line 1 range function 19-29 required series f [Hz] 0-200 default speed of rotation for standard set 19-30 sensortype Default sensor 1 Vakuum sensor 0-1 2 Pressure 1,0-2,6 3 Danfoss 0-4 19-31 operation p/v vacuum operation...

  • Page 15: Construction Diagram

    3. Vacuum principle diagram oil circuit 1. Pressure transmitter 2. Non return valve 4. Vacuum relief valve 5. Suction filter 7. Screw pump 8. Temperature switch for exhaust air 10. Exhaust air silencer 11. Frequency inverter 12. Driving motor 13. Ball valve for oil drain 14.
  • Page 16 3. Pressure principle diagram oil circuit 1. Pressure transmitter 2. Non return valve 3. Silencer 5. Suction filter 7. Screw pump 8. Temperature switch for exhaust air 9. Blast air cooler 10. Exhaust air silencer 11. Frequency inverter 12. Driving motor 13.
  • Page 17 Operating panel Suction side SA Pressure side LA Main switch Figure 1 Page: 17...
  • Page 18 VADS 1500 45 KW compressor oil filter with differential rotation direction pressure switch oil pump relief valve oil pressure manometer oil level gauge glass pressure switch (MI) ball valve pump for oil drain Figure 2 Page: 18...
  • Page 19 VADS 1500 45 KW suction filter oil cooler fan oil filler neck Figure 3 Page: 19...
  • Page 20 exhaust silencer magnetic bypass valve VADS 1500 45 KW pressure pipe Figure 4 Page: 20...

  • Page 21: Technical Specification

    8. Technical specification Vacuum connection Exhaust air Flansch DIN 2565-G6″ Flansch DIN 2565-G6″ 1810 1661 1600 282,5 352,5 1459 Vakuumpumpe / Vacuum Pump Verdichter / Compressor VADS 1500 VADS 1500 Saugvermögen / Suction Capacity 750 – 1415 m³/h Liefermenge / Free Air Flow 750 – 1200 m³/h Betriebsvakuum (Dauerbetrieb) Betriebsdruck (Dauerbetrieb) Operating Vacuum (Continuous Operation )
  • Page 22 VADS 1500 37 KW compressor oil filter with differential rotation direction pressure switch oil pressure manometer oil pump relief valve oil level gauge glass pressure switch ball valve pump for oil drain Figure 5 Page: 22...
  • Page 23 VADS 1500 37 KW suction filter oil cooler fan oil filler neck Figure 6 Page: 23...
  • Page 24 magnetic bypass valve VADS 1500 37 KW exhaust pipe Figure 7 Page: 24...

  • Page 25: Maintenance Of Filter Cartridge

    Maintenance of the filter cartridge The filter cartridge of the suction filter (Part-No.: 709580) must be exchanged when pressure difference values are too high. Otherwise the system will overheat. The soiling of the filter cartridge depends on the individual conditions under which the unit is working. We, as the manufacturer suggest to check the degree of soiling within the filter cartridge on a 14-day-basis.

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