vacuubrand ME 4 NT Instructions For Use Manual
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Technology for Vacuum Systems
Instructions for use
ME 4 NT - MZ 2 NT - MZ 2D NT - MZ 2S NT
ME 8 NT - ME 8S NT - MD 4 NT - MV 2 NT
ME 4R NT
Diaphragm pumps
Documents are only to be used and distributed completely and unchanged. It is strictly the users' responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009
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Table of Contents
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Summary of Contents for vacuubrand ME 4 NT
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Page 1: Instructions For Use
Technology for Vacuum Systems Instructions for use ME 4 NT - MZ 2 NT - MZ 2D NT - MZ 2S NT ME 8 NT - ME 8S NT - MD 4 NT - MV 2 NT ME 4R NT Diaphragm pumps Documents are only to be used and distributed completely and unchanged. - Page 2 VACUUBRAND diaphragm pumps are the result of many years of experience in design and construction and practical operation of these pumps combined with the latest developments in material and manu- facturing technology.
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Page 3: Table Of Contents
page 3 of 36 Contents Safety information! .....................4 General information ..........................4 Intended use ............................4 Setting up and installing the equipment .....................4 Ambient conditions ..........................5 Operating conditions ..........................5 Safety during operation ........................6 Maintenance and repair ........................7 Additional safety information for diaphragm pump ME 4R NT ......8 Intended use ............................8 Setting up and installing the equipment .....................8 Technical data ......................9... -
Page 4: Safety Information
page 4 of 36 Safety information! General information ☞ Read and comply with this manual before installing or operating the equipment. NOTICE ☞ Transport the pump at the provided handle. Remove all packing material, remove the product from its packing-box, remove the protective covers from the inlet and outlet ports and keep, inspect the equipment. -
Page 5: Ambient Conditions
page 5 of 36 • Check that mains voltage and current conform with the equipment (see rating plate). • Change the setting of the voltage changeover switch (pump with dual-voltage motor) only if the pump is separated from mains. Check that the voltage changeo- ver switch is set correctly. -
Page 6: Safety During Operation
page 6 of 36 - self inflammable substances, substances which are inflammable without air and explosive substances. • The pumps are not suitable for pumping substances which may form deposits inside the pump. Deposits and condensate in the pump may lead to increased temperatures even to the point of excessing the maximum permitted tempera- tures! •... -
Page 7: Maintenance And Repair
page 7 of 36 Prevent the backpressure of gases and the backflow of condensates. Never suck liquids or dust into the pump. Provide appropriate protective measures (i.e precautions which allow for the require- ments of the respective application) even for the case of failure and malfunction. Failure of the pump (e.g. -
Page 8: Additional Safety Information For Diaphragm Pump Me 4R Nt
page 8 of 36 • Before starting maintenance vent the pump, isolate the pump and other compo- nents from the vacuum system. Allow sufficient cooling of the pump. Drain con- densate, if applicable. Ensure that maintenance is done only by suitably trained and supervised techni- cians. -
Page 9: Technical Data
9 of 36 Technical data Type ME 4 NT MZ 2 NT MZ 2S NT MZ 2D NT Maximum pumping speed 50/60 Hz 4.0 / 4.4 2.2 / 2.4 2.0 / 2.3 2.3 / 2.5 (ISO 21360) Ultimate vacuum (absolute) - Page 10 page 10 of 36 Type ME 8 NT ME 8S NT MD 4 NT MV 2 NT Maximum pumping speed 50/60 Hz 7.3 / 8.1 7.1 / 7.8 3.8 / 4.3 2.2 / 2.4 (ISO 21360) Ultimate vacuum (absolute) mbar Maximum permissible outlet pres- sure (absolute) Maximum pressure difference be-...
- Page 11 page 11 of 36 Type ME 4R NT Maximum pumping speed 50/60 Hz (ISO 21360) 3.8 / 4.2 Ultimate vacuum (absolute) mbar Maximum permissible outlet pressure (absolute) Maximum permissible outlet pressure (reading of manometer) Maximum pressure difference between inlet and outlet Permissible ambient temperature °C -10 to +60 / +10 to +40...
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Page 12: Gas Inlet Temperatures
Connection piece (MV 2 NT) aluminium alloy Small flange stainless steel Hose nozzle Hose nozzle (ME 4 NT) stainless steel PA / PE / aluminium or Silencer aluminium alloy / silicone Fittings (ME 4(R) NT / MZ 2 NT / MZ 2D NT) -
Page 13: Pump Parts
Vacuummeter Overpressure safety relief device ME 4 NT Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009... - Page 14 page 14 of 36 ME 4R NT MZ 2 NT / MZ 2S NT (fig.: MZ 2 NT) Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009...
- Page 15 page 15 of 36 MZ 2D NT ME 8 NT / ME 8S NT Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009...
- Page 16 page 16 of 36 MD 4 NT / MV 2 NT (fig.: MD 4 NT) Mains connection (all pump designs) Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product.
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Page 17: Use And Operation
page 17 of 36 Use and operation Installing in a vacuum system • Connection lines at the pump inlet have to be gas tight. Particles and dust must not be aspirated, the user has to provide appropriate filters if necessary. The user must ensure their suitability concerning gas flow, chemical resistance and safe- ness against clogging prior to use. -
Page 18: During Operation
page 18 of 36 Use of a suitable valve to isolate the pump from the vacuum system is recommended to allow the pump to warm up before pumping condensable vapours or to clean the pump before it is switched off. When assembling, ensure vacuum-tightness. -
Page 19: Shutdown
page 19 of 36 Prevent internal condensation, transfer of liquids or dust. The diaphragm and valves will be damaged, if liquids are pumped in significant amounts. Check the pump regularly for external soiling and deposits, clean if necessary to avoid an increase of the pump‘s operating temperature. In case of excess temperature, the motor is shut down by a thermal cutout in the winding. -
Page 20: Accessories
> 500 mbar.) For additional accessories such as vacuum valves, small-flange components, vacuum gauges or vacuum controllers refer to www.vacuubrand.com Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully... -
Page 21: Troubleshooting
page 21 of 36 Troubleshooting Fault Possible cause Remedy ❑ Pump does not start or ➨ ✔ Mains not plugged in, electri- Plug in mains. Check fuse. stops immediately. cal supply failure? ➨ ✔ Device fuse blown? Identify cause of failure. Re- place device fuse. -
Page 22: Replacing Diaphragms And Valves
Before starting maintenance vent the pump and isolate it from the vacuum sys- tem. Set of seals for ME 4 NT, MZ 2 NT ....................696860 Set of seals for MD 4 NT, MV 2 NT .....................696861 Set of seals for ME 8 NT ......................696862 Set of seals for MZ 2D NT ......................696863... -
Page 23: Cleaning And Inspecting The Pump Heads
page 23 of 36 Cleaning and inspecting the pump heads ME 4R NT: ➨ Use open-end wrench (w/f 17) to remove the screw-in fitting from the pump head (steady fitting with a second open-end wrench w/f 20) and remove together with con- necting hose. - Page 24 page 24 of 36 View of the disassembled pump head parts MZ 2 NT (fig.: MZ 2 NT, MZ 2D NT and MD 4 NT) MZ 2D NT MD 4 NT Pump head parts: 1: Housing cover 6: Countersunk head screw 2: O-rings (not ME 8 NT) 7: Diaphragm 3: Valves...
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Page 25: Replacing The Diaphragm
Henkel Technologies ® ® Replacing the diaphragms of pumps ME 4 NT, MZ 2(S) NT, ME 8 NT, MD 4 NT, MV 2 NT: ☞ Check the diaphragm for damage and replace if neces- sary. -
Page 26: Assembling Pump Heads
page 26 of 36 ➨ Position the new diaphragm between the diaphragm clamping disc with square head screw and the diaphragm support disc. ☞ Attention: Double diaphragm! Put the two diaphragms to- gether with the printed sides outwards (not MZ 2S NT). ☞... -
Page 27: Assembling Fittings (Me 4(R) Nt, Mz 2(D, S) Nt)
page 27 of 36 ➨ Put housing cover in place. ☞ If it is not possible to position the housing cover, check the head cover for correct orientation. The nib at the head cover has to lock into the notch of the housing cover. ➨... -
Page 28: Replacing The Device Fuse
page 28 of 36 ➨ Position the diaphragm pump carefully on the other side, support pump appropriately. Perform main- tenance of the remaining pump heads according to the description above. If the pump does not achieve the ultimate vacuum: ☞ In case the diaphragms and valves have been replaced, a run-in period of several hours is required before the pump achieves its ultimate vacuum. -
Page 29: Notes On Return To The Factory
page 29 of 36 Notes on return to the factory Repair - return - DKD calibration NOTICE Safety and health of our staff, laws and regulations regarding the handling of dan- gerous goods, occupational health and safety regulations and regulations regarding safe disposal of waste require that for all pumps and other products the “Health and safety clearance form“... -
Page 30: Health And Safety Clearance Form
-Technology for Vacuum Systems- Tel.: +49 9342 808-0 - Fax: +49 9342 808-450 © 2008 VACUUBRAND GMBH + CO KG Printed in Germany E-Mail: info@vacuubrand.de - Web: www.vacuubrand.com Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully... -
Page 31: Documents Are Only To Be Used And Distributed Completely And Unchanged. It Is Strictly The Users' Responsibility To Check Carefully
31 of 36 Konformitätserklärung / Declaration of conformity / Déclaration de conformité Membranpumpe / Diaphragm pump / Pompe à membrane ME 4 NT (230V; 731000, 731001, 731002) ME 4R NT (230V; 731100, 731102) MZ 2 NT (230V; 732000, 732001, 732002) -
Page 32: Documents Are Only To Be Used And Distributed Completely And Unchanged. It Is Strictly The Users' Responsibility To Check Carefully
page 32 of 36 This certificate is only valid for pumps with the respective mark (Licensed Test mark) on the pump rating plate. Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product. -
Page 33: Documents Are Only To Be Used And Distributed Completely And Unchanged. It Is Strictly The Users' Responsibility To Check Carefully
page 33 of 36 Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009... -
Page 34: Documents Are Only To Be Used And Distributed Completely And Unchanged. It Is Strictly The Users' Responsibility To Check Carefully
page 34 of 36 Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009... -
Page 35: Documents Are Only To Be Used And Distributed Completely And Unchanged. It Is Strictly The Users' Responsibility To Check Carefully
page 35 of 36 Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009... - Page 36 E-Mail: info@vacuubrand.de Web: www.vacuubrand.com © 2009 VACUUBRAND GMBH + CO KG Printed in Germany Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009...
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