KNF N860 Translation Of Original Operating And Installation Instructions
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KNF N860 Translation Of Original Operating And Installation Instructions

Diaphragm vauum pump
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KNF 121252-121519 09/18
OEM
DIAPHRAGM VACUUM
PUMP
Note!
Before operating the pump and the accessories, please read the operating instructions and pay attention to
the safety precautions!
N 860, N 880
TRANSLATION OF ORIGINAL OPERATING AND
INSTALLATION INSTRUCTIONS
ENGLISH

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  • Page 1 KNF 121252-121519 09/18 N 860, N 880 TRANSLATION OF ORIGINAL OPERATING AND INSTALLATION INSTRUCTIONS ENGLISH DIAPHRAGM VACUUM PUMP Note! Before operating the pump and the accessories, please read the operating instructions and pay attention to the safety precautions!

  • Page 2: 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 ..................5 4. Technical Data ................8 E-mail: info@knf.de 5. Design and function ..............10 www.knf.de...

  • Page 3: 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-Operating and Installation Instructions, english, KNF 121252-121519 09/18...

  • Page 4: Use

    The pumps are not suitable for transferring foodstuffs. The pumps are not suitable for use with aggressive media. Other pumps in the KNF product line are designed for use with aggres- sive media. Please contact us for more information. The pumps must not be used to create vacuum and overpressure simultaneously.

  • Page 5: Safety

    Make sure the temperature of the medium is always sufficiently be- low the ignition temperature of the medium, to avoid ignition or ex- plosion. This also applies for unusual operational situations. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 6 The pumps conform to the Directive 2011/65/EU (RoHS2). The following harmonized standards have been used: DIN EN 55014-1/2  DIN EN 61000-3-2/3  DIN EN 50581  DIN EN 60204-1  Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 7 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 8: E-Mail: Info@Knf.de 4. Technical Data

    +/- 10% voltage fluctuations Tab. 6 Thermal switch The pumps are fitted as standard with a thermal-switch to pro- tect against overloading (see operating instructions of the mo- tor). Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 9 Additional equipment (only .22-versions) Pumps with the model code .22 (e.g. N 880.3 AN.22E) are fitted with the patented dynamic mass balancing. This system eradicates the imbalance that results from gas forces. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...

  • Page 10: Www.knf.de 5. Design And Function

    (1). The transfer chamber (3) is hermetically separated from the pump drive (7) by the diaphragm. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...

  • Page 11: Installation And Connection

     See Fig. 3 to Fig. 7 for mounting dimensions. Fig. 3: Mounting dimensions pump series N 860 A_E (All dimensional tol- erances conform to DIN ISO 2768-1, Tolerance Class V) Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 12 DIN ISO 2768-1, Tolerance Class V) Fig. 5: Mounting dimensions pump series N 860.3 A_E (All dimensional tolerances conform to DIN ISO 2768-1, Tolerance Class V) Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 13 Immediate ambient of the hot  When installing, make sure that there are no combustible or pump parts thermally malleable objects placed in the immediate ambient of the hot pump parts (head, motor). Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 14 2. The pump must be supported on rubber mounts, or springs so that the natural frequency of the systems is f > 1.7 Hz. For lower values of f correct operation of the dynamic mass bal- ancing cannot be guaranteed. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 15 2. Open terminal box cover. 3. Connect the earth (ground) wire to the motor. 4. Connect the mains cables according to the operating instruc- tion of the motor. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 16 2. Connect the suction line and pressure line (see Chapter 4, Tab. 8 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 Operating and Installation Instructions, english, KNF 121252-121519 09/18...

  • Page 17: Operation

     If the air or gas quantity in the pressure line is throttled or regulated, make sure that the maxi- mum permissible operating pressure is not ex- ceeded.  Ensure that the pump outlet is not closed or con- stricted. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 18 (see Chapter 8.2.1) to increase the service life of the diaphragm. Switching off the pump /  Restore the system to normal atmospheric pressure (release removing from operation pneumatic pressure in pump). Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...

  • Page 19: Servicing

    The process of replacing diaphragms and valve plates/sealings should be completed separately for each individual head be- fore starting work on the next one. This will prevent from mix- ing up parts. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 20 Removing pump head c.) Changing diaphragm d.) Changing valve plates/sealings e.) Refitting pump head f.) Final steps The position numbers in the following text refer to Fig. 8 and Fig. 9. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 21 2. Undo the four screws (4) in the ribbed plate and lift the ribbed plate with the intermediate plate off the pump housing. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 22 (3) on the housing, in the position indicated by the marking (M). 3. Gently tighten the screws (4), evenly and diagonally. 4. Turn the fan to check that the pump rotates freely. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 23 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 Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 24 (3) and housing (4) with a felt-tip pen. This is to en- sure that the parts will be reassembled correctly at a later stage. 2. Undo the eight screws (5) and lift the pump head off the hous- ing (4). Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 25 5. Lay the new valve plates/sealings (11) in the recesses in the intermediate plate. The valve plates (sealings for suction and pressure sides are identical, as are upper and lower sides of the valve plates/sealings. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 26 2. Refit the fan cover. 3. Reconnect the pump to the electricity supply. If you have any questions about servicing call our technical adviser (contact data: see www.knf.com). Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...

  • Page 27: Troubleshooting

     Remove the jamming parts and particles. Head parts are soiled.  Clean head components. Diaphragm or valve plates/seal-  Replace diaphragm and valve plates/sealings (see Chapter ings are worn. 8.3). Tab. 13 Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 28 3. Clean the pump (see Chapter 8.2.2). 4. Send the pump, together with completed Health and Safety Clearance and Decontamination Form (Chapter 12), to KNF stating the nature of the transferred medium. Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...

  • Page 29: Spare Parts And Accessories

    2x Valve plates/sealings  Spare parts kit Order No. N 860 ANE 047496 N 860 _TE 047497 N 860.3 ANE 047498 N 860.3 _TE 047499 N 880.3 AN.22E 045387 Tab. 14 Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...

  • Page 30: 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 31: Health And Safety Clearance And Decontamination Form

    N 860, N 880 Health and safety clearance and decontamination form 12. Health and safety clearance and decon- tamination form Translation of original Operating and Installation Instructions, english, KNF 121252-121519 09/18...
  • Page 32 KNF worldwide Find your local KNF partner on www.knf.com...

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