KNF PJ25481-950.50.18 Original Installation Instructions
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KNF PJ25481-950.50.18 Original Installation Instructions

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Pump module
100% ATMO
100% ATMOSAFE.MADE IN GERMANY
www.memmert.com I www.atmosafe.net
MANUAL
Appliance sizes
PM/PMP 29
PM/PMP 49
PM/PMP 101

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Summary of Contents for KNF PJ25481-950.50.18

  • Page 1 Pump module MANUAL Appliance sizes PM/PMP 29 PM/PMP 49 PM/PMP 101 100% ATMOSAFE.MADE IN GERMANY 100% ATMO www.memmert.com I www.atmosafe.net...
  • Page 2 Other documents to be observed as applicable: The operating manual for the MEMMERT vacuum oven VO ► The original maintenance and operating manual for the vacuum pump from KNF ► Storage and resale This operating manual belongs with the appliance and should always be stored where per- sons working on the appliance have access to it.
  • Page 3 Safety regulations WARNING After removing covers, live parts may be exposed. Touching these can lead to an electric shock. Disconnect the mains plug before removing any covers. Work on the electrical system must only be performed by qualifi ed electricians. WARNING Toxic gases or vapours may be produced in certain applications.
  • Page 4 Repairs may only be performed by qualified specialists. The provisions in the operating and installation manual from KNF also need to be observed. Behaviour in case of malfunctions and irregularities The appliance may only be used in a flawless condition. If you as the operator notice irregula- rities, malfunctions or damage, immediately take the appliance out of service and inform your superior.
  • Page 5 Putting into operation When operating the appliance for the first time, do not leave it unattended until it has reached a steady state. Connecting the vacuum pump Connect the vacuum pump's ► 230 V plug with earthing con- tact to the internal socket in the pump module.
  • Page 6 Connecting the vacuum pump to the VO The connection for the signal lead (left) and the connection for the vacuum hose (right) can be found at the rear of the PM. Connect the vacuum oven and the pump module to the signal lead and the vacuum hose as described in the operating manual for the MEMMERT vacuum oven.
  • Page 7 Maintenance and cleaning Depending on the customer process, condensate may accumulate in the collection container of the pump module. No condensate can be sucked in by the pump. Check and empty the container regularly. Emptying the collection container Unscrew and remove the ►...
  • Page 8 41/49 Power [W]* Current consumption [A]* *All other technical data can be found in the operating and installation manual for the KNF pump which follows Spare parts and service In the event of a malfunction or if the pre-installed membrane vacuum pump requires mainte- nance or service work, contact the Customer Service department at Memmert.
  • Page 9 KNF 125530-316634 06/18 PJ25481-950.50.18 TRANSLATION OF ORIGINAL INSTALLATION INSTRUCTIONS ENGLISH DIAPHRAGM PUMP Note! Before operating the pump and the accessories, please read the operating instructions and pay attention to the safety precautions!

  • Page 10: Table Of Contents

    KNF Neuberger GmbH Alter Weg 3 79112 Freiburg Contents Page Germany 1. About this document ..............3 Phone +49-(0)7664-5909-0 2. Use.................... 4 Fax +49-(0)7664-5909-99 3. Safety ..................6 4. Technical Data ................8 E-mail: info@knf.de 5. Design and function ..............10 www.knf.de...

  • Page 11: About This Document

     An activity to be carried out (a step) is specified here. 1. The first step of an activity to be carried out is specified here. Additional, consecutively numbered steps follow. This symbol refers to important information. Original-Installation Instructions, english, KNF 125530-316634 06/18...

  • Page 12: Use

    Accessories Laboratory equipment or additional components connected to a vacuum pump system have to be suitable for use with the pneu- matic capabilities of the pump. (see Chapter 4. Technical Data). Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 13 Pumps designed to create either a vacuum or an overpressure must not be used for these two purposes simultaneously. An overpressure must not be applied to the suction side of the pump. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...

  • Page 14: Safety

    This also applies for unusual operational situations. Note that the temperature of the medium increases when the pump compresses the medium. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 15 The pump is maintenance-free. But KNF recommends, checking repairs the pump regularly with regard to conspicuous changes in noise and vibrations. Only have repairs to the pumps carried out by the KNF Customer Service responsible. Housing with voltage-caring parts may be opened by technical per- sonnel only.

  • Page 16: Technical Data

    If one of these safety functions is triggered, the pump will be shut down and must be manually reset, as follows:  Separate pump from mains.  Remove the cause(s) of the fault before restarting. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 17 See Fig. 3, Chapter 6.1 Maximum permissible ambient 80% for temperatures up to relative humidity 31°C, decreasing linearly to 50% at 40°C. Max. altitude of site: 2000 [m above sea level] Tab. 7 Translation of original Installation Instructions, english, KNF 125530-316634 06/18...

  • Page 18: Design And Function

    (1). The transfer chamber (3) is hermetically separated from the pump drive (7) by the diaphragm. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...

  • Page 19: Installation And Connection

     See Fig. 3 for mounting dimensions. Mounting dimensions Fig. 3: Mounting dimensions PJ25481-950.50.18 (All dimensional toler- ances conform to DIN ISO 2768-1, Tolerance Class V)  Install the pump so that the motor fan can intake sufficient Cooling air supply cooling air.
  • Page 20  Make sure that vibrations of the pump do not re- sult in hazards associated with adjacent compo- nents.  Protect the pump against contact and intrusion of foreign mat- Foreign matter protection ter. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 21 (see Chapter 4, Technical Data).  If the pump s used as a vacuum pump, safely discharge the Pump exhaust pump exhaust at the pump’s pneumatic outlet. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 22 2. Connect the suction line and pressure line (see Chapter 4, Tab. 7 for mounting dimensions). 3. Lay the suction and pressure line at a downward angle to pre- vent condensate from running into the pump. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...

  • Page 23: Operation

     Make sure the pumps are used properly (see Chapter 2.1).  Make sure the pumps are not used improperly (see Chapter 2.2).  Observe the safety precautions (see Chapter 3). Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 24  Pumpe am Netzschalter einschalten (siehe Fig. 1/3 in Kapitel Depending on the applied electrical voltage, initialization of the electronics may take up to one second before the pump starts. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 25 5V Ausgangsspannung U / 5V Power supply U Ausgangsspannung DC 5 ± 0.2 Output voltage range DC Max. Ausgangsstrom [mA] Max. current output Tab. 9 (part 1): Connection plan motor electronics Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 26 Duty cycle description min.  pump min. flow max.  pump max. flow Eingangsimpedanz @ 1kHz ≥ 12 [kΩ] Input impedance @ 1kHz Tab. 9 (part 2): Connection plan motor electronics Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 27 The flow rate can be varied by an external actuation (Sub-D-plug, see Tab. 9). The speed of the pump is controlled by a control voltage. Please contact our KNF customer service for further information. Remote ON/OFF Remote ON/OFF is through an 9-pin controller connection (Pin 8, see Tab.

  • Page 28: Servicing

     Allow the pump to cool off after operation.  Solvent should be used for cleaning only if the head materials are not corroded (ensure compatibility of the material).  If compressed air is available, blow out the parts. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 29 Danger of burns from hot pump parts The pump head or motor may be hot even after the pump has been shut off. CAUTION  Allow the pump to cool off after operation. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 30 2. Undo the connection cover’s (8) attachment screws (Fig. 5/9) and remove the connection cover. 3. Remove the head connection’s (11) and (14) screws (10) and (15) and remove the head connections. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 31 Use a felt-tip pen to apply two marks (M) to the head plate, in- termediate plate, and compressor housing. 7. Head 3 (Fig. 6/III): Use a felt-tip pen to apply three marks (M) to the head plate, intermediate plate, and compressor housing. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 32 (IIII) and remove O-rings (19). Fig. 7: Removing the o-rings 11. On all four heads, undo the head screw (Fig. 8/2) in the head plate (4) and remove head plate from the intermediate plate (6). Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 33 The diaphragm and the connecting rod from falling into the housing. The diaphragm spacers (21) must be installed in the same quantity as before in order to ensure the pump’s pneumatic performance. Fig. 9: Replacing diaphragm Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 34 (9). 9. Reinstall the head covers (Fig. 4/20): To do this, manually tighten the eight attachment screws (1). 10. Properly dispose of the old diaphragms, valve plates, and O- rings. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 35 1. Reconnect suction and pressure line on the pump. 2. Reconnect the pump to the mains. If you have any questions about servicing, call your KNF technical adviser (contact data: see www.knf.com). Translation of original Installation Instructions, english, KNF 125530-316634 06/18...

  • Page 36: Troubleshooting

     Make sure the hoses and connections. Leaks in connections, hoses or  Remove any parts or particles causing blockages. pump head.  Clean head components. Pump head components are soiled. Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 37 Fault cannot be rectified If you are unable to identify the cause of the problem, please send the pump to KNF customer services (contact data: see www.knf.com). 1. Flush the pump (see Chapter 8.2.1). 2. Clean the pump (see Chapter 8.2.2).

  • Page 38: 10. Returns

    For optimal processing of a return, a copy of this declaration should be sent in advance via e-mail, regular mail, or fax to KNF Customer Service (contact data: see www.knf.com). In order to avoid endangering employees who open the shipment’s packag-...

  • Page 39: Health And Safety Clearance And Decontamination Form

    Diaphragm pump PJ25481-950.50.18 Health and safety clearance and decontamination form 11. Health and safety clearance and decon- tamination form Translation of original Installation Instructions, english, KNF 125530-316634 06/18...
  • Page 40 KNF worldwide Find your local KNF partner on www.knf.com...
  • Page 41 Experts in Thermostatics Pump module – PM D39489 Last updated 09/2018 English Memmert GmbH+ Co.KG Willi-Memmert-Straße 90-96 I 91186 Büchenbach Phone +49 9122 925-0 | Fax +49 9122 14585 E-mail: sales@memmert.com facebook.com/memmert.family The expert platform: www.atmosafe.net...

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