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KNF LABOPORT N820.18 Translation Of Original Operating Instructions
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KNF LABOPORT N820.18 Translation Of Original Operating Instructions

Chemically resistant laboratory pump
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KNF 317428-317425 02/23
Labor
CHEMICALLY-
RESISTANT
LABORATORY PUMP
Notice!
Before operating the pump and accessories, read and observe the operat-
ing and installation instructions as well as the safety information!
N820.18 / N840.18
TRANSLATION OF ORIGINAL
OPERATING INSTRUCTION
ENGLISH
DE
EN
FR
ES
IT

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Summary of Contents for KNF LABOPORT N820.18

  • Page 1 KNF 317428-317425 02/23 N820.18 / N840.18 Labor TRANSLATION OF ORIGINAL OPERATING INSTRUCTION ENGLISH CHEMICALLY- RESISTANT LABORATORY PUMP Notice! Before operating the pump and accessories, read and observe the operat- ing and installation instructions as well as the safety information!
  • Page 2 Index 1 Scope of delivery...................  4 2 About this document ................ 5 2.1 Using the operating instructions............  5 2.2 Exclusion of liability...............  5 2.3 Symbols and markings.............. 6 2.4 List of abbreviations .............. 8 3 Safety .................... 9 3.1 Personnel and target group ............ 9 3.2 Responsibility of the operator .............

  • Page 3: Table Of Contents

    11 Spare parts and accessories...............  52 11.1 Spare parts .................  52 11.2 Accessories.................  53 12 Troubleshooting ..................  54 13 Returns.................... 58 14 Index .................... 59...
  • Page 4 2. If the packaging is damaged, inform the responsible for- warding agent so that a damage report can be prepared. For further information, read Chapter 7 Transport [} 31]. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 5 à In the event of uncertainties with regard to the content of the operating instructions, please contact the manufac- turer (contact data: see www.knf.com). Please have the type and serial number of the pump ready. à Read the operating instructions before you commission the pump.
  • Page 6 An activity to be carried out is specified here (a step). 1. The first step of an activity to be carried out is specified here. Other sequentially numbered steps follow. This symbol indicates important information. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 7 Symbol for separate tracking of electrical and electronic devices. The use of this sym- bol means that this product must be dis- posed of with normal household waste. Recycling Tab.2: Explanation of pictograms Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 8 Perfluoro rubber PVDF Polyvinylidene fluoride Polypropylene Fluororubber Fluoroethylene propylene Tab. Table Fig. Figure a/o. And/or e.g. For example Perm. Permissible et al. And the like opt. If necessary Max. Maximum Min. Minimum Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 9 Tab.3: Target group Who-does-what Lifecycle phase User Specialized per- matrix sonnel Transport Setup Preparing for com- missioning Commissioning Operation Servicing Troubleshooting Disposal Tab.4: Who-does-what matrix Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 10 Avoid the release of hazardous, toxic, explosive, corrosive, harmful or environmentally hazardous gases or vapors, e.g. by using suitable laboratory equipment with fume cupboard and ventilation control. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 11 Note that the pump is only suitable for pumping explosive at- combustible me- mosphere within the limits of its designation (see type plate), dia and explo- and must not be set up in potentially explosive areas. sive atmosphere Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 12 Where applicable, also take into account external energy sources (such as radiated heat sources) that might heat the medium further. In case of doubt, contact KNF Customer Service. 3.6 Use 3.6.1 Proper use The pumps are intended exclusively for delivering gases and vapors.
  • Page 13 § UK Regulation S.I. 2012/3032 Restriction of the Use of Certain Hazardous Substances in Electrical and Elec- tronic Equipment The following harmonized/listed standards are met: § EN 1012-2 § EN ISO 12100 Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 14 Have repairs to the pumps carried out solely by the KNF cus- tomer service personnel responsible for such tasks. Housings with electrically live components may only be opened by specialist personnel.
  • Page 15 Alternatively, KNF products (old de- vices) may also be returned to KNF for a fee (see chapter Re- turns). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 16 An ignition hazard assessment in accordance with standards DIN EN ISO 80079-36 and DIN EN ISO 80079-37 was per- formed for the pumps. The explosion protection designation can also be found at the following location: § Pump type plate Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 17 Chemically-resistant Laboratory pump N820.18 / N840.18 4.2 Information on the Ex-designation This KNF pump is designated with the following device desig- nation in accordance with the latest explosion protection di- rective. The designation is only valid for the pumping chamber (area that comes into contact with the medium) of the pump: Fig.1: Ex-designation of the pumps...
  • Page 18 Device group II Device group II applies for devices that are used in other ar- eas that could be endangered by an explosive atmosphere. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 19 Devices of this category are designed for uses in areas in which it is to be expected that an explosive atmosphere resulting from stirred-up dust occurs, though in all likelihood occurs only seldom and for a very short length of time. Tab.6: Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 20 The device must only be used to transfer gases and vapors medium that belong to the respective explosion group and the corre- sponding temperature class (or lower), (see designation on the type plate) or which are not explosive and not com- bustible. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 21 An ignition hazard evaluation according to the standards DIN EN ISO 80079-36 and DIN EN ISO 80079-37 was carried out for the devices. The protective goals were reached by apply- ing the ignition protection type of constructional safety "c". Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 22 § Do not set up the device in potentially explosive atmos- pheres. It is only suitable for the transfer of explosive at- mosphere corresponding to its designation (see type plate). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 23 Set the device up in such a way that it cannot be dam- aged from outside. § Set the device up in such a way that it is not exposed to UV radiation. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 24 10 ± 10% At max. speed: 20 ± 10% Tab.12: Pneumatic data N820G *Bar rel related to 1013 hPa **Liters in the standard state based on ISO 8778 and ISO 21360-1/2 (1013 hPa, 20°C) Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 25 N840G Voltage [V] 100 – 240 Frequency [Hz] 50/60 Power consumption [W] Max. current draw [A] 0.66 – 0.35 1.0 – 0.6 Max. permissible line voltage ± 10% fluctuation Tab.15: Electrical data Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 26 259 x 220 x 163 Dimensions L x H x W [mm] N840G 289 x 240 x 177 § Equipment protection Overcurrent protection § Overtemperature protec- tion (drive) § Blocking protection (drive) Tab.17: Other parameters Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 27 KNF accessories. à Upon request, you will be given an exact description of the interface. à Only ever use accessories that are authorized by KNF (see the chapter entitled 11.2 Accessories [} 53]). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 28 (2). In the upwards stroke, the diaphragm presses the medium out of the pump head via the outlet valve (1). The transfer chamber (3) is separated from the pump drive by the di- aphragm. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 29 à If inert gas is necessary, contact KNF Service. If vaporous media are transferred, the formation of condensate in the pump heads can be minimized by opening the gas ballast valve. NOTICE Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 30 Product description Chemically-resistant Laboratory pump N820.18 / N840.18 The ultimate vacuum that can be achieved is worse when the gas ballast valve is open (see the Chapter 5 Tech- nical data [} 24]). NOTICE Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 31 Transport the pump in the original packaging to the instal- lation location. à Keep the original packaging of the pump (e.g. for later storage). à Inspect the pump for transport damage after receiving it. à Document any transport damage in writing. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 32 Permissible humidity (non- 30 to 85 condensing) [%] Tab.18: Transport parameters and storage parameters Prior to commissioning, make sure that the pump has reached the ambient temperature (5 Technical data [} 24]). NOTICE Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 33 Select a secure location (flat surface) for the pump. à Protect the pump from dust. à Protect the pump from vibration, impact and external dam- age. à Make sure that it is easy to operate the power switch. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 34 - Pump outlet not closed or restricted. - When operating with gas ballast: When vent- ing the pump through the air inlet, no explosive or poisonous mixtures can occur. Tab.19: Operating requirements for commissioning Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 35 Ensure the proper use of the pump (See Chapter 3.6.1 Proper use [} 12]). à Eliminate the possibility of improper use of the pump (see Chapter 3.6.2 Foreseeable misuse [} 12]). à Observe the safety instructions (see Chapter 3 Safety [} 9]). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 36 à Ensure that the pump outlet is not closed or restricted. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 37 3. Connect the line to the pneumatic inlet. When using a silencer, KNF recom- mends operating the pump in a safe environment, e.g., fume cupboard, to avoid dangers posed by harmful NOTICE gases. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 38 Replace the detachable power cables with power cables that are adequately dimensioned. Use a C14 power cable for device plugs conforming to IEC/EN 60320-1,UL 498, CSA C22.2 no. 42, with protec- tion class 1. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 39 (drive) and switching off the pump. Fig.6: Switching the pump on and off with rotary/push knob à Ensure that no pressure is present in the lines when switching on. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 40 Establish normal atmospheric pressure in the lines (re- lieve pump pneumatically). à Pull out power plug of the pump. Status display (see Fig. 2/6) à Illuminates green if the pump was switched on via the power switch. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 41 100% ON (continuous light) Drive blocked 50% ON; 50% OFF Temperature too high (drive) 90% ON, 10% OFF Other fault Tab.20: Fault signal via status display For further information, see Chapter 12 Troubleshooting 54]. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 42 Ensure that diaphragms and valve plates/seals are installed undam- aged, cleanly and correctly. à Check the pneumatic connections of the pump for leaks. à Work with care during service work. à Replace defective parts immedi- ately. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 43 à Periodically check for no- ticeable changes to noises and vibrations. à Diaphragms and valves At the latest, replace when the performance de- creases. Tab.21: Servicing schedule Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 44 (if necessary for safety reasons: with an inert gas). 10.2.2 Cleaning the pump à Only clean the pump with a damp cloth and non- flammable cleaning agents. à If compressed air is present, blow out the parts. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 45 Always replace diaphragms, valve plates/seals, and O- the procedure rings together to maintain the performance of the pump. à Replace the diaphragms and valve plates/seals of the in- dividual pump heads one after the other. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 46 4 Head screw Fig.8: Dismount cover 1. Set the handle (1/Fig. 8) to a vertical position. 2. Loosen the screws (2/Fig. 8) on the cover (3/Fig. 8). 3. Remove the cover (3/Fig. 8). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 47 (6) with a continuous pencil stroke. This prevents the parts from being incorrectly mounted later on. 2. Loosen the external screws (4/Fig. 8) of the pump heads. 3. Carefully remove the pump heads. Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 48 9 Gas ballast valve 10 Connection tube 11 Hose connections Fig.10: Changing O-rings 1. Pull the two pump heads apart. 2. Pull the connection tube (10/Fig. 10) out of the head plate (3). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 49 5. Perform steps 1 – 4 for the second pump head. 6. Dispose of the old diaphragm (7) and valve plates/seals (4) properly. 7. Insert the connection tube (10/Fig. 10) into the head plate (3). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 50 (2)) together with the connection tube on the pump housing according to the pencil line. 10. Mount the handle cover (3/Fig. 8). 11. Tighten the screws (2/Fig. 8) of the handle cover (3/Fig. 8) (tightening torque: 2 Nm). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 51 Again disconnect the pump electrically and pneumati- cally. 2. Pump integrated in application à Connect the suction and pressure sides on the pump. à Electrically connect the pump. à Test the functionality of the pump. Translation of Original Operating Instruction, KNF 317428-317425 02/23...

  • Page 52: Spare Parts And Accessories

    Spare parts and accessories Chemically-resistant Laboratory pump N820.18 / N840.18 11 Spare parts and accessories To order spare parts and accessories, please contact your KNF sales partner or KNF Customer Service (con- tact data: see www.knf.com). 11.1 Spare parts Spare part set...

  • Page 53: Accessories

    Wrench for hose connector 316279 Interface cable (for combina- 323829 tion with VC900) 2 m Interface cable (for combina- 323830 tion with VC900) 5 m Small flange DN16 with O- 342031 ring Tab.26: Accessories Translation of Original Operating Instruction, KNF 317428-317425 02/23...

  • Page 54: Troubleshooting

    (if necessary for safety reasons: with an inert gas). à Diaphragm or valves Replace the diaphragms and the valve plates/seals are worn. (see Chapter 10 Servicing [} 42]). Tab.27: Troubleshooting: Pump not delivering Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 55 Remove any parts or particles that are causing tially clogged. blockages. à Head parts are soiled. Clean the head components. à Diaphragm or valves Replace the diaphragms and the valve plates/seals are worn. (see Chapter 10 Servicing [} 42]). Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 56 Allow the pump to cool. tection has tripped. à Determine the cause of the overheating and rectify. Tab.30: Troubleshooting: Pump is switched on but not running; sta- tus display is flashing red Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 57 Fault cannot be rectified If you are unable to identify any of the specified causes, send the pump to KNF Customer Service (contact data: see www.knf.com). 1. Flush the pump with air for a few minutes (if necessary for...

  • Page 58: Returns

    If necessary, request original packaging for a fee. Returns KNF shall undertake to repair the pump only under the condi- tion that the customer presents a certificate regarding the medium that is pumped and the cleaning of the pump. In this case too, old devices can be returned.

  • Page 59: Index

    Electrical data .......  25 Ordinances ........ 13 Environmental protection.... 14 Outlet valve........ 28 Equipment protection .... 26 Equipment protection level ...  22 Explosion groups ...... 20 explosive atmosphere .... 11 packaging ........ 4 Parameter Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 60 Silencer ........ 4, 37 Spare part........ 52 Spare part set...... 52 Specialist personnel .....  14 Standards ........ 13 Status display ...... 27, 40 Surroundings of the pump ....  21 Target group ........ 9 Temperature Translation of Original Operating Instruction, KNF 317428-317425 02/23...
  • Page 64 KNF Neuberger GmbH Alter Weg 3 79112 Freiburg Germany Tel. +49 (0)7664/5909-0 E-mail: info.de@knf.com www.knf.com KNF worldwide You can find our local KNF partners at: www.knf.com...

This manual is also suitable for:

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