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Disclaimer: Our technical literature is only intended to inform our cus-

tomer. The applicability of general empirical values and results obtained 

under lab conditions to your specific operations depends on a number of 

factors beyond our control. It is, therefore, strictly the users’ responsibil-

ity to very carefully check the application of these data to their specific 

requirements. No claims arising from the information provided in this lit-

erature will, consequently, be entertained.

Alfred-Zippe-Str. 4 · 97877 Wertheim / Germany

T +49  9342 808-0 · F +49 9342 808-5555

[email protected] · www.vacuubrand.com

VACUUBRAND GMBH + CO KG

- Technology for Vacuum Systems -

© 2019 VACUUBRAND GMBH + CO KG Printed in Germany 

Manual-no.: 20901047 / 04/11/2019

Summary of Contents for MD 1

Page 1: ...page 1 of 72 Diaphragm pumps Instructions for use Technology for Vacuum Systems MD 1 VARIO SP MD 1 ...

Page 2: ...aphragm pump before leaving our factory is tested intensively including an endurance run of 14 hours Any faults even those which oc cur rarely are identified and can be eliminated immediately After completion of the endurance run every pump is tested and must achieve specifications before shipment We are committed to providing our customers only pumps that meet this high quality standard While our...

Page 3: ...loi présent ou si une traduction complète et correcte du mode d emploi est sous ses yeux Le dispositif ne doit pas être mis en marche avant que le mode d emploi ait été lu et compris complètement et seulement si le mode d emploi est observé et tous les mesures demandées sont prises Avis de sécurité pour des dispositifs à vide BG Внимание Тези инструкции не са преведени на всички езици от ЕО Потреб...

Page 4: ...ento Notas sobre la seguridad para equipos de vacío FI Huomio Tämä käyttöohje ei ole saatavilla kaikilla EU n kielillä Käyttäjä ei saa käyt tää laitetta jos hän ei ymmärrä tätä ohjekirjaa Tässä tapauksessa on saatavilla ol tava teknisesti oikein tehty ja täydellinen ohjekirjan käännös Ennen laitteen käyttöä on ohjekirja luettava ja ymmärrettävä kokonaan sekä suoritettava kaikki tarvittavat valmist...

Page 5: ...ません もしこの取扱 説明書を理解できないならば ユーザーは装置を操作してはなりません この場 合 技術的に正しい翻訳がなされた完全なマニュアルを用意しなければなりませ ん 装置を作動する前にマニュアルを完全に読み そして理解されなくてはなり ません そして すべての要求される対策を講じなければなりません 真空装置を安全に取り扱うために KR 주의 이 매뉴얼은 모든 언어로 번역되지는 않습니다 만약 이 매뉴얼의 내용을 충분 히 인지하지 못했다면 기기를 작동하지 마십시오 매뉴얼의 내용을 기술적으로 정확 하게 번역한 경우에 이용하십시오 기기를 사용하기 전에 이 매뉴얼을 충분히 읽고 이해하고 모든 요구되는 사항들을 적용해야 합니다 진공 장비에 대한 안전 정보 LT Dėmesio šis vadovas nėra pateikiamas visomis ES ...

Page 6: ...manual não está disponível em todas as línguas da UE O usuário não deve utilizar o dispositivo se não entender este manual Neste caso uma tra dução tecnicamente correta do manual completo tem de estar disponível O manu al deve ser lido e entendido completamente antes da utilização do equipamento e todas as medidas necessárias devem ser aplicadas Informação de Segurança para Equipamento que funcion...

Page 7: ... moraja biti tudi vse potrebne meritve Varnostni nasveti za vakuumske naprave SK Upozornenie Tento manuál nie je k dispozícii vo všetkých jazykoch EÚ Užívateľ nesmie obsluhovať zariadenie pokiaľ nerozumie tomuto manuálu V takomto prípa de musí byť k dispozícii technicky správny preklad celého manuálu Pred obsluhou zariadenia je potrebné si prečítať celý manuál a porozumieť mu a musia byť prijaté v...

Page 8: ...e fuse only MD 1 C US 30 Replacing the fuse on the circuit board only MD 1 VARO SP 31 Use and operation 33 Installation 33 Vacuum connection inlet 33 Connecting the outlet 35 Electrical connection 36 Controlling the MD 1 VARIO SP 38 During operation 43 Shutdown storage 45 Accessories 46 Troubleshooting 47 Replacing diaphragms and valves 49 Checking diaphragms and valves 52 Replacing the diaphragm ...

Page 9: ...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 This manual is only to be used and distributed in its com plete and original form It is strictly the users responsibility to check carefully the validity of this manual with respect to his product Manual no 2090...

Page 10: ...r moderate injury NOTICE is used to address practices not related to personal injury Caution Hot surface Disconnect equipment from power NOTICE Formatting used in this manual Note The signal word panels in all sections of this manual always refer to all paragraphs of the same format plain text following each signal word panel The document Safety information for vacuum equipment is part of this man...

Page 11: ...and all warranty claims for those deficiencies Replace the protective caps if the equipment is not used immediately Store the equipment in dry and non corrosive conditions see also Technical data pg 24 Do not use any damaged equipment Use the mounted handle or the recessed grips when moving the pump Intended use Do not use the pump or any system parts on humans or animals Ensure that the individua...

Page 12: ...several parameters like inlet pressure and ambient tempera ture see Technical data pg 24 Particles and dust must not enter the pump Do not pump liquids Ensure that the pump is chemically resistant to the pumped substances prior to operation Use the equipment only as intended that is for genera tion of vacuum in vessels designed for that purpose Any other use will automatically invalidate all warra...

Page 13: ...f there is an exhaust isolation valve make sure that you cannot operate the equipment with the valve closed to avoid a risk of bursting Keep the electrical power cord away from heated sur faces Provide a firm level platform for the equipment Check that the system which you are going to evacuate is mechanically stable Check that all fittings are secure Ensure a stable position of the pump without a...

Page 14: ...ling or disassembling vacuum lines at the pump Risk of corrosion and or short circuit Make sure ventilation is adequate to maintain recommend ed operating temperature Keep a minimum distance of 2 in 5 cm between the cooling fan and surrounding items e g housing walls etc or else install an external au tomatic ventilation system Clean fan guard grill if neces sary to avoid a reduction of ventilatio...

Page 15: ...he best of our knowledge the equipment is in com pliance with the requirements of the applicable EC direc tives and harmonized standards see Declaration of Con formity with regard to design type and model Directive EN 61010 1 gives in detail the conditions under which the equipment can be operated safely see also IP degree of protection Technical data pg 24 Operating conditions These pumps are not...

Page 16: ...ir explosive substances The pumps are not approved for operation below ground Do not operate the pump below ground Do not pump substances which may form depos its inside the pump 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 exceeding the maximum permitted tempera...

Page 17: ...al system and take protective action for pump and environment You must take suitable precautions to prevent any for mation of explosive mixtures in the pump chamber or at the outlet of the pump In case e g of a diaphragm failure mechanically generated sparks hot surfaces or static electricity may ignite these mixtures Use inert gas for venting if necessary Drain appropriately or otherwise remove a...

Page 18: ...h all notes regarding proper use of the pumps as well as operation and maintenance guid ance The residual leak rate of the equipment might render possible an exchange of gas albeit extremely slight between the environment and the vacuum system Adopt suitable measures to prevent contamination of the pumped substances or the environment Ensure that no parts of your clothing hair or fingers can be ca...

Page 19: ...precautions if an automatic restart of the pump may lead to a dangerous situation e g switch off the pump and disconnect from the power source Pumps with DC motor A temperature sensor at the circuit board protects the mo tor of pumps with 24V DC motor In case of excess tem perature the pump is switched off Note Only manual reset is possible Disconnect the pump from the power source Identify and el...

Page 20: ...he capacitors to discharge 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 Use appropriate protective clothing safety goggles and protective gloves Wear part...

Page 21: ...ient cooling of the pump Drain condensate if applicable Ensure that maintenance is done only by suitably trained and supervised technicians Ensure that the maintenance technician is familiar with the safety procedures which re late to the products processed by the pumping system Only dismantle the pump as far as necessary NOTICE ...

Page 22: ... explosive atmo spheres caused by gases vapors or mists normally don t occur or if they do occur are likely to do so only infrequently and for a short period only Equipment in this category ensures the requisite level of protection dur ing normal operation The use of gas ballast or the operation of venting valves is only permit ted if thereby explosive atmospheres normally don t occur in the inter...

Page 23: ...ump achieves its specified ultimate vacuum is the pump s leak rate low enough to en sure that no explosive atmospheres will occur in the interior of the equip ment After any intervention at the vacuum sensor the leak rate of the equip ment has to be checked Attention This manual is not available in all languages of the EU The user must not op erate the device if he does not understand this manual ...

Page 24: ...tion no condensation 30 to 85 Maximum permissible installation altitude above mean sea level ft m 6500 2000 Rated motor power hp kW 0 11 0 08 0 09 0 064 No load speed rpm 1500 1800 a 0 2400 b Maximum permissible range of supply voltage 10 Attention Observe specifications of rating plate 100 120 V 50 60 Hz 200 230 V 50 60 Hz 120V 60 Hz 24 V DC safe extra low voltage SELV c Maximum rated current at ...

Page 25: ...nning smoothly only at motor speeds higher than 200 rpm c The pump is designed for operation with safe extra low voltage Accordingly only safe extra low voltage SELV may be connected to the voltage supply connections d In case of supply voltage below 100V the lock of the cutout might be restricted e Pumps with voltage changeover switch IP 40 f Measurement according to EN ISO 2151 2004 and EN ISO 3...

Page 26: ... 9 Handle removable recessed grip 10 Control line Pump parts Gas inlet temperatures if pumping potentially explosive atmospheres 50 F to 104 F 10 C to 40 C Operating condition Inlet pressure Permitted range of gas temperatures at inlet Continuous operation 75 Torr 100 mbar high gas load 50 F to 104 F 10 C to 40 C Continuous operation 75 Torr 100 mbar low gas load 32 F to 140 F 0 C to 60 C Short ti...

Page 27: ...page 27 of 72 MD 1 MD 1 C US pump with dual voltage motor 4 9 8 7 5 6 3 2 1 2 1 2 1 ...

Page 28: ...page 28 of 72 MD 1 VARIO SP Ensure sufficient venting of the pump 9 5 6 7 10 ...

Page 29: ...20 corresponds to 100 120 V and 230 240 corresponds to 200 230 V Check that the voltage selection switch is posi tioned correctly Note If the pump is switched on with wrong volt age selection the motor may be damaged Check every time before starting the pump Change the selection at the voltage selection switch only if the pump is unplugged from the power source Only pumps with dual voltage motor ...

Page 30: ... slotted screw driver Replace the defective fuse by a fuse of the same type see Tech nical data pg 24 Reassemble holder with fuse to the pump Switch off the pump Disconnect the electrical power cord before un screwing the fuse holder Identify and eliminate the cause of failure before switch ing on the pump again ...

Page 31: ...re discharged Identify and eliminate the cause of failure prior to re start Attention Electrostatic sensitive device All work related to the circuit board must be carried out in a ESD protected area or under ESD protective measures NOTICE Slide the cover aside carefully and only as far as necessary Unscrew screw at the cover ...

Page 32: ...page 32 of 72 Layout circuit board Fuse F 7 AF 125 V 2 x 7 mm Remove the defective fuse with a tweezer and replace by a new one of the same type Assemble cover after replac ing the fuse Screw cover ...

Page 33: ... voor vacuümapparaten Wskazówki bezpieczeństwa do urządzeń próżniowych Informação de Segurança para Equipamento que funciona a Vácuo Instrucţiuni de siguranţă pentru aparatele de vidare Указания по технике безопасности при работе с вакуумными устройствами Säkerhetsinformation för vakuumutrustning Varnostni nasveti za vakuumske naprave Bezpečnostné pokyny pre vákuové zariadenia Vakumlu cihazlar içi...

Page 34: ...46 inlet Use connecting hoses with large diameter and keep them as short as possible to avoid flow losses Locate the pump as closely as possi ble to the application Secure hose connections at the pump ap propriately e g with hose clamps to protect against accidental detachment NOTICE NOTICE Particles and dust must not be aspirated If necessary you must install appropriate filters You must ensure t...

Page 35: ...e silencer and install a hose noz zle DN 6 mm or a hose nozzle DN 10 6 mm thread G1 8 If dangerous or polluting fluids could be released at the outlet install an appropriate system to catch and dispose of those fluids NOTICE outlet Connect a gas tight exhaust line at the pump outlet see above if necessary Always vent exhaust gases appropriately e g into a fume hood Never block the gas outlet The e...

Page 36: ...e pump s rating plate to be sure that the power source and the equipment match in voltage phase and frequency Switch the pump on Electrical connection O I Pump with dual voltage motor 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 Check that the voltage selection switch is positioned correctly Check every t...

Page 37: ...age se lection switch to the supply voltage 115 120 corresponds to 100 120 V and 230 240 corresponds to 200 230 V MD 1 VARIO SP DC motor 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 Connect the supply voltage and the control signal to the pump s control line see Control ling the MD 1 VARIO SP pg 38 Switch...

Page 38: ...ase of the motor speed 0 rpm at 0 PWM to 2400 rpm at 100 PWM Pump will run smoothly only at motor speeds higher than 200 rpm Example Pulse width at a frame frequency of 1 kHz and at 700 rpm motor speed 0 3 ms Selecting the control signal input PWM voltage internal setting To select a control signal input other than the factory set one PWM the control line at the terminal board has to be reconnecte...

Page 39: ... Electrostatic sensitive device All work related to the circuit board must be carried out in a ESD protected area or under ESD protective measures NOTICE Slide the cover aside carefully and only as far as necessary size 2 1x ...

Page 40: ...ee print on the circuit board Layout of circuit board Terminal ST1A UB GND Supply voltage red blue Terminal board Connection of the control line on the circuit board Voltage supply Terminal ST1B V V PWM A B PWM black white Voltage 0 10V DC white black Internal setting of the motor speed Control signal setting the motor speed ...

Page 41: ...motor speed via trimming potentiometer Ensure that no control signal is applied e g by removing the white and the black wires from the terminal board ST1B Supply the pump with the required supply voltage of 24V DC Adjusting the motor speed with the trimming potentiometer Turning the trimming potentiometer to the right increases the motor speed maximum 2400 rpm Turning the trimming potentiometer to...

Page 42: ... speed of the pump Ensure sufficient cooling of the pump Pumping at low motor speed increases the lifetime of diaphragms and valves The pump attains the best ultimate vacuum in the low speed range be tween approx 600 and 1000 rpm Reassemble the cover af ter having completed the changes size 2 1x ...

Page 43: ...pecial ly if the ambient temperature is elevated max 104 F 40 C Operation with silencer at the outlet Oper ating the pump at a high inlet pressure or pumping dusty gases for a long time may cause clogging of the silencer Check the silencer regularly and replace if necessary or install a hose nozzle instead If the pump is installed at an altitude of more than 6500 ft 2000 m above mean sea lev el ch...

Page 44: ...e dust IN Avoid overheating e g due to hot process gases Maximum permissible temperature range see Gas inlet temperatures pg 26 NOTICE Pumps with AC motor In case of overload the motor is shut down by a self hold thermal cutout in the winding Note Only manual reset is possible Switch off the pump and disconnect from the power source Identify and eliminate the cause of fail ure Allow the pump to co...

Page 45: ...uum Condensate O I 5 10min atm Short term Has the pump been exposed to condensate Allow the pump to continue to run at atmo spheric pressure for a few minutes Has the pump been exposed to media which may damage the pump materials or form deposits Check and clean pump heads if necessary Long term Take measures as described above regard ing short term shutdown Separate the pump from the application ...

Page 46: ...s small flange components vac uum gauges or vacuum controllers refer to www vacuubrand com Vacuum hose rubber I D 1 4 6 mm ID 20686000 Small flange KF DN 16 G 1 8 20637425 Hose nozzle DN 6 mm G 1 8 20637745 Hose nozzle DN 10 6 mm G 1 8 20636062 Vacuum gauge DVR 2pro 20682906 ...

Page 47: ...t small flange connection not correctly positioned or leak in the pipeline or vacuum system Check pump directly connect vacuum gauge directly at pump inlet then check connection pipeline and vacuum system if necessary Long narrow vacuum line Use lines with larger di ameter length as short as possible Pump has been ex posed to condensate Allow pump to run for some minutes with atmo spheric pressure...

Page 48: ...essure especially with condensable vapors Diaphragm crack or diaphragm clamping disc loose Perform maintenance Other than above men tioned causes Contact local distributor Pump seized Contact local distributor A service manual with exploded view drawings spare parts list and directions for repair is available on request The service manual is intended for trained service people only ...

Page 49: ...ontaminated with the pro cess chemicals that have been pumped during opera tion Ensure that the pump is decontaminated before maintenance Avoid the release of pollutants Never operate a defective or damaged pump Check every motor capacitor regularly by measuring its capacity and estimating its service life Replace old capacitors early enough to prevent a failure The ca pacitors must be replaced by...

Page 50: ...mal operating conditions the drive system is maintenance free In demanding circumstances it may be efficient to check and clean the pump heads on a regular basis In normal use the lifetime of the diaphragms and valves is typically 15 000 operating hours Prevent internal condensation transfer of liquids or dust The diaphragms and valves will be damaged if liquid is pumped in significant amount Carr...

Page 51: ...page 51 of 72 Tools required metric Diaphragm key width 46 mm Open end wrench width 15 16 mm 4 mm wide Allen key Phillips screwdriver size 2 ...

Page 52: ...ng diaphragms and valves 2 4 7 8 1 3 5 6 9 Position Component 1 Housing cover 2 Valves 3 Head cover 4 Diaphragm clamping disc with square head screw 5 Diaphragm 6 Diaphragm support disc 7 Washers 8 Connecting rod 9 Housing ...

Page 53: ...page 53 of 72 1 2 1 2 3 15 mm 4 6x size 2 2x 1 ...

Page 54: ...page 54 of 72 4 5 6 20696264 Clean ...

Page 55: ...page 55 of 72 Replacing the diaphragm 7 8 9 1 2 ...

Page 56: ...page 56 of 72 3 10 11 12 Pay attention to number of washers ...

Page 57: ...page 57 of 72 13 14 15 1 2 Pay attention to number of washers ...

Page 58: ...page 58 of 72 Replacing the valves and assembling the pump heads 16 17 18 4x ...

Page 59: ...page 59 of 72 19 21 20 4 6x 4 4 ft lbf 6 Nm Screw in diagonally at first slightly then tighten ...

Page 60: ...page 60 of 72 22 23 16 15 24 1 2 Maintain all pump heads in the same way 15 16 mm size 2 2x ...

Page 61: ...pecified ultimate vacuum is not achieved and if this does not change after the break in period Check hose connectors at pump heads for leaks If necessary recheck valve seats and pump chambers Checking the ultimate vacuum After 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...

Page 62: ...red 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 Devices sent are rejected if applicable Send a completed copy of the health and safety clearance form to us in advance The declaration mus...

Page 63: ...ce parts for cosmetic reasons at your request and at your expense Before returning the device Pack the device properly if necessary please order origi nal packaging materials at your costs Mark the package completely Enclose the completed health and safety clearance form Notify the carrier of any possible contamination if required Scrapping and waste disposal Dispose of the equipment and any compo...

Page 64: ...ormal wear and tear of wearing parts such as diaphragms seals valves vanes condensers oil and the breakage of glass or ceramic parts for the consequences of chemical electrochemical or electrical influences or the failure to follow the instruc tions in this manual Claims for defects against VACUUBRAND shall be limited to one year from delivery The same shall apply to claims for damages irrespectiv...

Page 65: ... for reason of appearance repaint and replacement at customer s expense yes no 12 Legally binding declaration We assure for the returned device that all substances which have been in contact with the device are listed in section 5 and that the information is complete and that we have not withheld any information We declare that all measures where applicable have been taken listed in section Repair...

Page 66: ...ue Angewandte harmonisierte Normen Harmonized standards applied Normes harmonisées utilisées DIN EN ISO 12100 2011 DIN EN 61010 1 2011 IEC 61010 1 2010 Ed 3 DIN EN 1012 2 2011 DIN EN 1127 1 2011 DIN EN 13463 1 2009 DIN EN 50581 2013 Bevollmächtigter für die Zusammenstellung der technischen Unterlagen Person authorised to compile the technical file Personne autorisée à constituer le dossier techniq...

Page 67: ...ierte Normen Harmonized standards applied Normes harmonisées utilisées DIN EN ISO 12100 2011 DIN EN 61010 1 2011 IEC 61010 1 2010 Ed 3 DIN EN 1012 2 2011 DIN EN 61326 1 2013 DIN EN 1127 1 2011 DIN EN 13463 1 2009 DIN EN 50581 2013 Bevollmächtigter für die Zusammenstellung der technischen Unterlagen Person authorised to compile the technical file Personne autorisée à constituer le dossier technique...

Page 68: ...page 68 of 72 This certificate is only valid for pumps with the respec tive mark Licensed Test mark on the pump rating plate ...

Page 69: ...page 69 of 72 This certificate is only valid for pumps with the respec tive mark Licensed Test mark on the pump rating plate ...

Page 70: ...in years during which the hazardous substances contained in electrical and electronic products will not leak or mutate under normal operating conditions During normal use by the user such electrical and electronic products will not result in serious environmental pollution cause serious bodily injury or damage to the user s assets The environmental Protection Use Period for VACUUBRAND products is ...

Page 71: ...些部件并非是有意用铅 Pb 汞 Hg 铬 Cd 六价铬 Cr VI 多溴联苯 PBB 或多溴二苯醚 PBDE 来制造的 Apart from the disclosures in the above table the subassemblies are not intentionally manufactured or formulated with lead 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 b...

Page 72: ...fore strictly the users responsibil ity to very carefully check the application of these data to their specific requirements No claims arising from the information provided in this lit erature will consequently be entertained Alfred Zippe Str 4 97877 Wertheim Germany T 49 9342 808 0 F 49 9342 808 5555 info vacuubrand com www vacuubrand com VACUUBRAND GMBH CO KG Technology for Vacuum Systems 2019 V...

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