Zuwa UNISTAR 2001-A Operating Instructions Manual

Zuwa UNISTAR 2001-A Operating Instructions Manual

Flexible impeller pumps
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-Zumpe GmbH
Pumps and Sprayers

Operating Instructions

Flexible Impeller Pumps
UNISTAR • COMBISTAR • NIROSTAR

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Summary of Contents for Zuwa UNISTAR 2001-A

  • Page 1: Operating Instructions

    -Zumpe GmbH Pumps and Sprayers Operating Instructions Flexible Impeller Pumps UNISTAR • COMBISTAR • NIROSTAR...
  • Page 2 ZUWA Impeller Pumps...
  • Page 3: Table Of Contents

    ZUWA Impeller Pumps Contents Declaration of conformity ...................4 Introduction ......................5 Further applicable documents ................5 Legend ......................5 General safety instructions................6 Construction and functionality................6 Pump types ....................6 Designs ......................6 Technical Data ....................7 Type plate ......................8 Impeller materials...................9 Transportation and unpacking ................9 Installation and connection ................9 Assembly .......................9...
  • Page 4: Declaration Of Conformity

    2000/14/EC (Noise Emissions for Outdoor Equipment) The manufacturer, ZUWA - Zumpe GmbH, 83410 Laufen, Germany, hereby declares that the pump models listed below for the decanting of non-flammable or explosive liquids comply with the provisions of the above-mentioned CE Directives.
  • Page 5: Introduction

    ZUWA Impeller Pumps 2. Introduction These operating instructions apply for the following pump models/series: with motor without motor UNISTAR 2000-A UNISTAR 2001-A UNISTAR 2000-B UNISTAR 2001-B COMBISTAR 2000-A COMBISTAR 2001-A COMBISTAR 2000-B COMBISTAR 2001-B NIROSTAR 2000-A NIROSTAR 2001-A NIROSTAR 2000-B NIROSTAR 2001-B 2.1 Further applicable documents...
  • Page 6: General Safety Instructions

    ZUWA Impeller Pumps 2.3 General safety instructions The manufacturer shall not be held liable for damage resulting from non- adherence to the operating instructions. Store these instructions in such a way that they are accessible at all times for pump operating personnel. Urge employees to read and follow these instructions.
  • Page 7: Technical Data

    ZUWA Impeller Pumps 3.3 Technical Data Max. flow rate in L/min Max. pressure 4 bar Connections In/Out (inches ¾" ¾" 1" 1" ¾" ¾" 1" 1" ¾" ¾" 1" 1" and nominal width in 12 or 24-Volt motors: 3,000 rpm Max.
  • Page 8: Type Plate

    ZUWA Impeller Pumps 3.4 Type plate Type plate, example: Drive: without motor, bare shaft end double bearing with V- belt drive hydraulic drive DC 12 V DC 24 V DC 48 V Impeller Sleeve electr. motor 230 V digit) digit)
  • Page 9: Impeller Materials

    ZUWA Impeller Pumps 3.5 Impeller materials Impeller pumps are equipped with NBR impellers as standard. Material designation Suitable for: Properties Diesel, mineral oils and High impact elasticity and greases good mechanical strength Acrylonitrile butadiene rubber Good for applications (Perbunan®, Buna-N®)
  • Page 10: Connection Of Hoses Or Pipes

    ZUWA Impeller Pumps The pump can be fitted vertically or horizontally. In case of vertical fitting, it is advantageous to direct the pump head downwards, so that in case of a pump defect the motor is protected against escaping liquid.
  • Page 11: Series 2001-A And 2001-B

    ZUWA Impeller Pumps Motor damage can arise due to unsuitable extension cable > For extension cables of length up to 20 metres: Use cables with at least the same cross section as the pump cable. Caution > For extension cables with a length of more than 20 metres: Use cables with a larger cross section than the pump cable.
  • Page 12: Commissioning

    ZUWA Impeller Pumps Operation with hand drill For operation of the pump with a hand drill, a stepped support is necessary (see Fig.). The height of the step must be such that the pump shaft - drill connection is in a horizontal plane.
  • Page 13: Storage

    Caution the impeller material will become attacked. ZUWA impeller pumps are self-priming, thus, in case of a suction depth of up to 3 metres, it is not necessary to fill the pump prior to commissioning. Material damage due to dry running >...
  • Page 14: Maintenance

    ZUWA Impeller Pumps 8. Maintenance Danger of death due to electric shock > Prior to work on the pump, always disconnect the drive from the power Danger supply. 8.1 Routine inspection > Regularly check the line connections for leaktightness (particularly on intake side) 8.2 Disassembling the pump...
  • Page 15: Assembling The Pump

    ZUWA Impeller Pumps Seals Replace O-rings and push firmly into the recesses Replacing shaft gasket: Remove retaining ring with suitable pliers Push out bearing and shaft gasket Push in new shaft gasket and bearing Insert retaining rings 8.4 Assembling the pump 8.4.1...
  • Page 16: Accessories

    ZUWA Impeller Pumps 9. Accessories 9.1 Dry run protection Dry run protection keeps the Impeller from overheating when running dry. In a dry run periode the pump heats up. A thermo sensitive switch stops the motor at approximately 70°C. After cooling to 60°C the pump can be restarted.
  • Page 17: Mechanical Pressure Switch

    IP 65 with plug switch box: stainless steel or brass membrane: FKM as standard pressure switch and connector plug 9.4 Tool for changing the impeller A useful tool to install the impeller easily into the casing. Suitable for all ZUWA impellers.
  • Page 18: Troubleshooting

    ZUWA Impeller Pumps Troubleshooting Fault Possible cause Remedy Pump does not take in Intake line is not leaktight Seal connection or line liquid Impeller worn or damaged Replace impeller Suction line or foot valve is Clean suction line or foot...
  • Page 19: Performance Curves

    ZUWA Impeller Pumps Performance curves...
  • Page 20 ZUWA-Zumpe GmbH Franz-Fuchs-Straße 13 - 17 • D-83410 Laufen Telefon: +49 8682 8934-0 • Fax: +49 8682 8934-34 E-Mail: info@zuwa.de • Internet: www.zuwa.de © 2008 ZUWA...

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