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Technology for Vacuum Systems
Original instructions EN
page 1 of 80
Instructions for use
MZ 2C NT + AK Synchro + EK
MD 4C NT + AK Synchro + EK
Chemistry diaphragm pumps
ME 4C NT + 2 AK
ME 8C NT + 2 AK
MZ 2C NT + 2 AK
MZ 2C NT + AK + M + D
MZ 2C NT + AK + EK
MD 4C NT + 2 AK
MD 4C NT + AK + EK
Chemistry vacuum systems
Chemistry pumping units
ME 2C NT
ME 4C NT
ME 8C NT
MZ 2C NT
MD 4C NT
PC 101 NT
PC 201 NT
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Summary of Contents for vacuubrand MZ 2C NT+2AK
- Page 1 page 1 of 80 Technology for Vacuum Systems Instructions for use ME 2C NT ME 4C NT ME 4C NT + 2 AK ME 8C NT ME 8C NT + 2 AK MZ 2C NT MZ 2C NT + 2 AK MZ 2C NT + AK + M + D MZ 2C NT + AK + EK MZ 2C NT + AK Synchro + EK...
- Page 2 2 of 80 Dear customer, Your VACUUBRAND diaphragm pumps are designed to provide you with many years of trouble-free service with optimal performance. Our many years of practical experience allow us to provide a wealth of application and safety information. Please read these instructions for use before the initial operation of your pump.
- Page 3 page 3 of 80 Achtung: Die vorliegende Betriebsanleitung ist nicht in allen EU-Sprachen verfügbar. Der Anwender darf die beschriebenen Geräte nur dann in Betrieb nehmen, wenn er die vorliegende Anleitung versteht oder eine fachlich korrekte Übersetzung der voll- ständigen Anleitung vorliegen hat. Die Betriebsanleitung muss vor Inbetriebnahme der Geräte vollständig gelesen und verstanden werden, und alle geforderten Maß- nahmen müssen eingehalten werden.
- Page 4 page 4 of 80 Bemærk: Denne manual foreligger ikke på alle EU sprog. Brugeren må ikke be- tjene apparatet hvis manualen ikke er forstået. I det tilfælde skal en teknisk korrekt oversættelse af hele manual stilles til rådighed. Manual skal være gennemlæst og forstået før apparatet betjenes og alle nødvendige forholdsregler skal tages.
- Page 5 page 5 of 80 Figyelem! Ez a kezelési utasítás nem áll rendelkezésre az EU összes nyelvén. Ha a felhasználó nem érti jelen használati utasítás szövegét, nem üzemeltetheti a készüléket. Ez esetben a teljes gépkönyv fordításáról gondoskodni kell. Üzembe helyezés előtt a kezelőnek végig kell olvasnia, meg kell értenie azt, továbbá az üzemeltetéshez szükséges összes mérést el kell végeznie.
- Page 6 page 6 of 80 Attentie: Deze gebruiksaanwijzing is niet in alle talen van de EU verkrijgbaar. De gebruiker moet niet met dit apparaat gaan werken als voor hem/haar de gebruiks- aanwijzing niet voldoende duidelijk is. Bij gebruik van deze apparatuur is het nood- zakelijk een technisch correcte vertaling van de complete gebruiksaanwijzing te hebben.
- Page 7 page 7 of 80 Varning: Denna instruktion är inte tillgänglig på alla språk inom EU. Användaren får inte starta utrustningen om hon/han inte förstår denna instruktion. Om så är fallet måste en tekniskt korrekt instruktion göras tillgänglig. Instruktionen måste läsas och förstås helt före utrustningen tas i drift och nödvändiga åtgärder göres.
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Page 8: Table Of Contents
page 8 of 80 Contents Safety information! ............. 9 Important information! ................. 9 General information ................11 Intended use..................11 Improper use ..................12 Setting up and installing the equipment ..........14 Ambient conditions ................16 Operating conditions ................. 17 Safety during operation ..............18 Maintenance and repair.............. -
Page 9: Safety Information
Make operating personnel aware of dangers arising from the pump and the pumped substances. VACUUBRAND disclaims any liability for inappropri- ate use of these pumps and for damage from failure to follow instructions contained in this manual. - Page 10 page 10 of 80 ➨ DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. + WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. • CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
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Page 11: General Information
page 11 of 80 General information Remove all packing material from the packing box. Re- NOTICE move the product from its packing-box and retain all pack- aging until the equipment is inspected and tested. Re- move the protective caps from the inlet and outlet ports and retain for future use. -
Page 12: Improper Use
12 of 80 + Using only original VACUUBRAND parts and original accessories / approved accessories or spare parts. Any other use is considered improper use. Improper use Incorrect use or any application which does not corre- spond to the technical data may result in injury or damage to property. - Page 13 page 13 of 80 only original manufacturer’s spare parts and ac- cessories. Otherwise the safety and performance of the equipment, as well as the electromagnetic compat- ibility of the equipment might be reduced. The CE mark or the cTÜVus mark may be voided if not using original manufacturer’s spare parts.
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Page 14: Setting Up And Installing The Equipment
page 14 of 80 Setting up and installing the equipment ➨ Equipment must be connected only to a suitable elec- trical supply and a suitable ground point. As such, the plug must be plugged into an outlet that is properly grounded. - Page 15 page 15 of 80 • Note: Flexible elements will shrink when evacuated. • Connect hoses gas tight at inlet and outlet of the pump and secure against loosening, for example, with a hose clamp. • Ensure that no foreign objects can be drawn into the pump.
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Page 16: Ambient Conditions
page 16 of 80 Allow the equipment to equilibrate to ambient temperature if you bring it from cold environment into a room prior to operation. Notice if there is water condensation on cold surfaces. Secure coolant hoses at the hose nozzles (e.g., with hose clamp) to prevent their accidental slipping. -
Page 17: Operating Conditions
page 17 of 80 Operating conditions ➨ These pumps are not approved for operation in po- tentially explosive atmospheres. Do not operate the pumps in potentially explosive atmospheres. ➨ Pumps without the mark on the rating plate are ” ” not approved for the pumping of potentially explo- sive atmospheres. -
Page 18: Safety During Operation
page 18 of 80 • Check the inlet and outlet of the pump, if there is a danger of forming deposits inside the pump, e.g., in the pump chambers (the pump chamber is the part between diaphragm and head cover. See section ”Re- placing diaphragms and valves”, pg. - Page 19 page 19 of 80 + If the pump is not working properly, has been dropped or has fallen into water, contact your pump service pro- vider. + Prevent any part of the human body from coming into contact with vacuum. + Make sure that the exhaust pipeline cannot become blocked.
- Page 20 page 20 of 80 • Pumping at high inlet pressure may lead to overpres- sure at the gas ballast valve. Pumped gases or con- densate might be expelled if the valve is open. If an in- ert gas supply is connected to the gas ballast, ensure that its inlet pipeline is not contaminated.
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Page 21: Maintenance And Repair
For details and for the online ”Instructions for repair” man- ual see www.vacuubrand.com. In normal use, the lifetime of the diaphragms and valves is typically 15,000 operating hours. Bearings have a typi- cal durability of 40000 h. - Page 22 page 22 of 80 ➨ Note: The pump may be contaminated with process chemicals, which have been pumped during operation. Ensure that the pump is completely decontaminated before maintenance commences. + Take adequate precautions to protect people from the effects of dangerous substances if contamination has occurred.
- Page 23 page 23 of 80 Ensure that the maintenance technician is familiar with the safety procedures which relate to the products processed by the pumping system. Only dismantle the pump as far as necessary.
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Page 24: Important Information: Equipment Marking (Atex)
Important information: Equipment marking (ATEX) Only valid for products with ATEX marking. If the ATEX marking is shown on the rating plate of the respective product, VACUUBRAND GMBH + CO KG assures, that the device complies with the provi- sions of the directive 2014/34/EU. The applied harmonized stand- ards are indicated in the EC Declaration of Conformity of the Ma- chinery (see instructions for use). - Page 25 page 25 of 80 • The equipment is designated for a low degree of mechanical stress and has to be installed in a way so that it cannot be damaged from outside. Pumping units have to be installed so that they are protected against shocks from the outside and against glass splinters in the event of breakage (implosion).
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Page 26: Technical Data
page 26 of 80 Technical data General technical data valid for all pumps/pumping units ATEX approval if the ATEX marking II 3/- G Ex h IIC T3 Gc X is shown on the rating plate Internal Atm. only Inner part (pumped gases) Tech.File: VAC-EX02 Maximum permissible inlet pressure (absolute) -
Page 27: Gas Inlet Temperatures
page 27 of 80 Gas inlet temperatures Permitted range of gas Operating condition Inlet pressure temperatures at inlet > 75 Torr (100 mbar) ➨ 50 °F to 104 °F Continuous operation (high gas load) (+10°C to +40°C) < 75 Torr (100 mbar) ➨... - Page 28 page 28 of 80 MZ 2C NT MZ 2C NT + 2 AK MZ 2C NT + AK + EK Type MZ 2C NT + AK SYNCHRO + EK MZ 2C NT + AK + M + D PC 101 NT Maximum pumping speed* 1.2 / 1.4 50/60 Hz (ISO 21360)
- Page 29 page 29 of 80 MD 4C NT ME 8C NT MD 4C NT + 2 AK MD 4C NT + AK + EK Type ME 8C NT MD 4C NT + + 2 AK AK SYNCHRO + EK PC 201 NT Maximum pumping 4.0 / 4.6 2.0 / 2.2...
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Page 30: Wetted Parts
page 30 of 80 MD 4C NT ME 8C NT MD 4C NT + 2 AK MD 4C NT + AK + EK Type ME 8C NT MD 4C NT + + 2 AK AK SYNCHRO + EK PC 201 NT Weight approx. -
Page 31: Abbreviations
page 31 of 80 Abbreviations ETFE: Ethylene/Tetrafluoroethylene PTFE: Polytetrafluoroethylene FFKM: Perfluoro elastomer FPM: Fluoroelastomer ECTFE: Ethylene/Chlorotrifluoroethylene Polypropylene PBT: Polybutylene terephthalate PET: Polyethylene terephthalate PPS: Polyphenylene sulfide separator for condensates, catchpot at inlet or outlet exhaust vapor condenser Pump parts Position Component Position Component... - Page 32 page 32 of 80 ME 2C NT ME 4C NT...
- Page 33 page 33 of 80 ME 4C NT + 2 AK Power connection: see ME 4C NT MZ 2C NT MZ 2C NT KF 16...
- Page 34 page 34 of 80 ME 8C NT MD 4C NT...
- Page 35 page 35 of 80 MZ 2C NT + 2 AK Power connection and ON/OFF switch: see MZ 2C NT MZ 2C NT + AK + EK Power connection alternately: and ON/OFF switch: small flange KF DN 16 at the inlet see MZ 2C NT...
- Page 36 page 36 of 80 MZ 2C NT + AK SYNCHRO + EK Power connection and ON/OFF switch: see MZ 2C NT MZ 2C NT + AK + M + D Power connection and ON/OFF switch: see MZ 2C NT...
- Page 37 page 37 of 80 PC 101 NT Power connection and ON/OFF switch: see MZ 2C NT ME 8C NT + 2 AK Power connection and ON/OFF switch: see ME 8C NT...
- Page 38 page 38 of 80 MD 4C NT + 2 AK Power connection and ON/OFF switch: see MD 4C NT MD 4C NT + AK + EK Power connection and ON/OFF switch: see MD 4C NT...
- Page 39 page 39 of 80 MD 4C NT + AK SYNCHRO + EK Power connection and ON/OFF switch: see MD 4C NT PC 201 NT Power connection and ON/OFF switch: see MD 4C NT...
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Page 40: Use And Operation
page 40 of 80 Use and operation Installing a pump in a vacuum system ➨ If dangerous or polluting fluids could be released at the outlet, install an appropriate system to catch and dispose of those fluids. + Connect a gas-tight exhaust line at the pump outlet nozzle and secure against loosening, for example, with a hose clamp. - Page 41 page 41 of 80 • Check the power source and the pump’s rating plate to be sure that the power source and the equipment match in voltage, phase, and frequency. • Pump with dual-voltage motor: Check that the volt- age selection switch at the terminal box is positioned correctly.
- Page 42 page 42 of 80 Use a suitable valve to isolate the pump from the vacuum application. This is to allow the pump to warm up before pumping condensable vapors and to clean the pump after use before it is switched off. When assembling, ensure vacuum-tightness.
- Page 43 page 43 of 80 Exhaust waste vapor condenser: outlet (gas!) (2) ➨ Assemble the hose nozzles for coolant inlet (12) and coolant outlet (13) tubing at the ex- haust waste vapor condenser. (13) The exhaust waste vapor condenser en- (12) ables an efficient condensation of the pumped vapors at the outlet.
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Page 44: During Operation
page 44 of 80 • Ensure that the coolant outlet tubing is always unob- structed and that it cannot get blocked. • Maximum permissible coolant pressure at the exhaust waste vapor condenser: 87 psi (6 bar) absolute. Outlet flow must always be unhindered. •... - Page 45 page 45 of 80 Do not start the pump if the pressure difference between NOTICE inlet and outlet ports exceeds max. 16.0 psi (1.1 bar). Attempts to start the pump at higher pressure difference may cause stalling and damage of the motor. If pumping condensable vapors (water vapor, solvents, etc.), let the pump run with gas ballast to help purge any condensation in the pump.
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Page 46: Important Notes Regarding The Use Of Gas Ballast
page 46 of 80 Pumps with flow control diaphragm valve: Use the flow control diaphragm valve (14) at the pump inlet to control the pumping speed. Open flow control dia- phragm to pump down. ➨ Opening the flow control diaphragm: Turn counter- clockwise. -
Page 47: Important Notes Concerning The Operation Of The Exhaust Waste Vapor Condenser
page 47 of 80 For condensable vapors (water vapor, sol- vents, etc.): - The gas ballast valve is open if the arrow on gas ballast the gas ballast cap is pointing towards the (open) labelling ”GB”. - With gas ballast valve open, the ultimate vacuum will be reduced. - Page 48 Do not allow the catchpots to overfill. Drain catchpots in time to avoid overflow. Install a level sensor (see ”Accessories”, pg. 50) for monitoring, if necessary (VACUUBRAND controller CVC 3000 or VNC 2 is required). The maximum liquid level is at approximately 80% of the total filling level to avoid problems when removing the catchpots.
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Page 49: Shutdown & Storage
page 49 of 80 Removing the catchpots: Catchpot at outlet: Remove joint clip. Remove catchpot and drain conden- sate. Catchpot at inlet: Admit air or inert gas (via the pump inlet) to restore at- mospheric pressure in the catchpot before attempting removal. -
Page 50: Accessories
page 50 of 80 Accessories Vacuum gauge DVR 2pro ......20682906 Level sensor for catchpots.................20699908 Vacuum hose (caoutchouc) I.D. 3/8” (10 mm ID) ........20686002 Silencer for hose nozzle 3/8” (DN 10 mm) ..........20636588 Attention: Dust-laden gases, deposits and condensed solvent vapor can restrict air flow out the silencer. - Page 51 Spare parts: Catchpot 0.52 qt (500 ml), coated .............20638497 O-ring 28 x 2.5 mm at the spherical ground joint of the catchpot .....20635628 For additional accessories such as vacuum valves, small-flange components, vac- uum gauges or vacuum controllers refer to www.vacuubrand.com...
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Page 52: Troubleshooting
page 52 of 80 Troubleshooting Fault Possible cause Remedy ❑ Pump does not ➨ Electrical power cord ✔ Plug in power cord. start or stops im- not plugged in, electri- Check fuse. mediately. cal supply failure? ➨ Device fuse blown? ✔... - Page 53 page 53 of 80 Fault Possible cause Remedy ❑ Pump too noisy. ➨ Atmospheric or high ✔ Connect hose or silencer pressure at the pump to pump outlet. Be careful inlet? not to cause outlet over- pressure, especially with condensable vapors. ➨...
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Page 54: Replacing Diaphragms And Valves
page 54 of 80 Replacing diaphragms and valves + Please read section ”Replacing diaphragms and valves” com- pletely before starting maintenance. The pictures may show other versions of pumps. This does not change the method of replacing diaphragms and valves. ➨... - Page 55 page 55 of 80 Ensure that maintenance is done only by suitably NOTICE trained and supervised technicians. The valves and diaphragms as well as the motor capac- itors are wear parts. If the rated ultimate vacuum is no longer achieved or in case of increased noise level, the pump interior, the diaphragms and the valves must be cleaned and the diaphragms and valves must be checked for cracks or other damage.
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Page 56: Cleaning And Inspecting The Pump Heads
page 56 of 80 Cleaning and inspecting the pump heads The replacement of the diaphragm and the replacement of the valves can be carried out separately. + To replace the valves, remove the head covers of one side of the pump along with the assembled valve heads and fittings. - Page 57 page 57 of 80 Fittings and tubing of the different pump models: ME 4C NT MZ 2C NT ME 8C NT MD 4C NT...
- Page 58 page 58 of 80 MZ 2C NT 2AK MZ 2C NT AK + EK MZ 2C NT AK SYNCHRO + EK PC 101 NT MD 4C NT 2AK MD 4C NT AK + EK MD 4C NT AK SYNCHRO + EK PC 201 NT ME 8C NT + 2 AK...
- Page 59 page 59 of 80 View of the disassembled pump head parts (fig.: MD 4C NT) A: Head alignment pin / mark L: Fillister head screw B: Connecting rod M: O-ring C: Housing N: Valve D: Washer O: Valve head E: Diaphragm support disc P: Hose nozzle F: Diaphragm Q: Connection fastener...
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Page 60: Replacing The Diaphragm
page 60 of 80 Detach the coupling of the connection tube (V) to the other side of the pump at the valve head (O). Pump at pump support: Detach the coupling of the connection tube (V) to the other side of the pump as well as the hose connection to the inlet/outlet of the vacu- um system at the valve head (O). - Page 61 page 61 of 80 + Check diaphragm (F) for damage and re- place if necessary. ➨ Lift diaphragm carefully sidewise. + Never use a pointed or sharp-edged tool to lift the diaphragm. ➨ Use the diaphragm key to grip the diaphragm support disc (E) below the diaphragm.
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Page 62: Replacing The Valves
page 62 of 80 + Assemble the original number of washers (D) between diaphragm support disc (E) and connecting rod (B). ➨ Screw diaphragm clamping disc (G), dia- phragm (F), diaphragm support disc (E), and washers (D) to connecting rod (B). ➨... - Page 63 page 63 of 80 ➨ Remove valve heads (O) along with the disc springs (R), connection tube if applicable, hose nozzles (P) and connection fasten- ers (Q) or move the valve heads carefully aside. Note position and orientation of the valve heads.
- Page 64 page 64 of 80 Valve head with gas ballast or hose nozzle connection: ➨ Insert square nut (K) in the groove of the head cover (J) or position square nut in the groove and then screw on connection fastener. + Loosely fasten fillister head screw (L). ➨...
- Page 65 page 65 of 80 Affix the connection tube (V) to the other side of the pump at the valve head (O). Pump on pump support: Affix the connection tube (V) to the other side of the pump, as well as the hose connection to the inlet or outlet of the vacuum system at the valve head (O).
- Page 66 page 66 of 80 Checking the ultimate vacuum ➨ A fter any intervention at the equipment (e.g., repair / maintenance) the ultimate vacuum of the pump has to be checked. Only if the pump achieves its specified ultimate vacuum, the pump’s leak rate is low enough to ensure that no explosive atmospheres will occur in the inte- rior of the equipment.
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Page 67: Replacing The Overpressure Safety Relief Device
page 67 of 80 Replacing the overpressure safety relief device Overpressure safety relief device ........20638821 (at exhaust waste vapor condenser) ➨ Remove catchpot (9) at outlet (see ”Use and operation”, pg. 40). ➨ Loosen the union nut at the inlet of the ex- haust vapor condenser. -
Page 68: Replacing The Fuse
page 68 of 80 Replacing the fuse ➨ Danger due to electrical voltage. ➨ Switch off the pump. ➨ Disconnect the electrical power cord before open- ing the terminal box. After disconnecting from power, wait five seconds to allow the capacitors to discharge. + The replacing of the fuse has to be carried out by a trained electrician. - Page 69 page 69 of 80 20636542 + The pigtail fuses are integrated into wires ((1), black and blue) inside the terminal box. To replace the fuses it is neces- sary to replace both wires completely (fixed with flat pin bushings (2)). ➨...
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Page 70: Repair - Maintenance - Return - Calibration
3 or 4. These devices cannot be checked, maintained or re- paired. Also decontaminated devices must not returned to VACUUBRAND due to a residual risk. The same conditions apply to on-site work. No repair, maintenance, return or calibration is possi- ble unless the correctly completed health and safety clearance form is returned. - Page 71 page 71 of 80 If you do not wish a repair on the basis of our quotation, the device may be returned to you disassembled and at your expense. In many cases, the components must be cleaned in the factory prior to repair. For cleaning we use an environmentally friendly water based process.
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Page 72: Warranty
72 of 80 Warranty VACUUBRAND shall be liable for insuring that this prod- uct, including any agreed installation, has been free of de- fects at the time of the transfer of risk. VACUUBRAND shall not be liable for the consequences... -
Page 73: Declarations And Certificates
page 73 of 80 Declarations and certificates... - Page 74 page 74 of 80...
- Page 75 page 75 of 80 This certificate is only valid for pumps with the respec- tive mark (Licensed Test mark) on the pump rating plate.
- Page 76 76 of 80 DECLARATION OF CONFORMITY – China RoHS 2 VACUUBRAND GMBH + CO KG has made reasonable efforts to ensure that hazardous materials and substances may not be used in its products. In order to determine the concentration of hazardous substances in all homogeneous materials of the subassemblies, a “Product Conformity Assessment”...
- Page 77 (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (Cr+VI), polybrominated biphenyls (PBB), and polybrominated diphenyl ethers (PBDE). Products manufactured by VACUUBRAND may enter into further devices (e.g., rotary evaporator) or can be used together with other appliances (e.g., usage as booster pumps).
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- Page 80 Seitenzahl Technology for Vacuum Systems VACUUBRAND > Support > Manuals Manufacturer: VACUUBRAND GMBH + CO KG VACUUBRAND GMBH + CO KG Alfred-Zippe-Str. 4 Alfred-Zippe-Str. 4 97877 Wertheim 97877 Wertheim GERMANY GERMANY Phone: Head office +49 9342 808-0 Sales +49 9342 808-5550...
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