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Summary of Contents for KNF N 024
- Page 1 KNF 349071-349079 04/24 N024 TRANSLATION OF ORIGINAL OPERATING AND INSTALLATION INSTRUCTION ENGLISH DIAPHRAGM PUMP Notice! Before operating the pump and accessories, read and observe the operat- ing and installation instructions as well as the safety information!
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Page 2: Table Of Contents
Contents 1 About this document ................ 3 1.1 Using the operating and installation instructions...... 3 1.2 Exclusion of liability............... 3 1.3 Symbols and markings.............. 4 2 Safety .................... 6 2.1 Personnel and target group ............ 6 2.2 Responsibility of the operator ............ 7 2.3 Working in a safety conscious manner ......... -
Page 3: About This Document
The manufacturer assumes no liability for damages and mal- functions resulting from impermissible spare parts and acces- sories. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 4: Symbols And Markings
CAUTION warns of a possibly Minor injury or dangerous situation damage is possi- ble. NOTICE Warns of possible Damage is possi- damage ble. Tab.1: Danger levels Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 5 General warning symbol Warning of hot surface Warning of electrical voltage Warning of poisonous substances Warning of hand injuries through crushing Observe the operating instructions General mandatory sign Tab.2: Explanation of pictograms Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 6: Safety
Tab.3: Target group Who-does-what Lifecycle phase User Specialized per- matrix sonnel Transport Mounting Connection Commissioning Operation Servicing Troubleshooting Disposal Tab.4: Who-does-what matrix Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 7: Responsibility Of The Operator
Ensure that the pump installation is EMC compliant such that no hazardous situations can occur. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 8: Operating Conditions
Make sure that a dangerous situation cannot arise as a result. When pumping hazardous media, observe the safety regula- tions for the handling of said media. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 9: Use
2.6.2 Foreseeable misuse The pumps must not be operated in explosive atmospheres. The pumps are not suitable for transferring the following: § Dusts § Liquids § Aerosols § Biological and microbiological substances Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 10: Directives And Standards
1.5.2. / 1.5.8. / 1.5.9. / 1.7.4. / 1.7.4.1. / 1.7.4.3. Standards The following standards apply: § EN IEC 61326-1 – Class A § EN IEC 61000-3-2 § EN 61000-3-3 § EN 60204-1 § EN IEC 63000 Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 11: Customer Service And Repair
Alternatively, KNF products (old devices) may also be returned to KNF for a fee (see chapter 11 Re- turns [} 47]). Translation of Original Operating and Installation Instruction, KNF 349071-349079... -
Page 12: Technical Data
*bar rel relative to 1013 hPa **Liters in the standard state (based on ISO 8778 and ISO 21360-1/2) (1013 hPa, 20°C) Pneumatic connections Pump type Value N024 Thread size G1/8‘ Tab.7: Pneumatic connections Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 13 Highest permissible relative 80% for temperatures up to air humidity of the environ- 31°C, decreasing linearly to ment 50% at 40°C. Maximum installation altitude 2000 [m above sea level] Tab.10: Other parameters Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 14 Equipment variants § .16 versions have temperature-resistant pump heads for media temperatures up to 240°C. § .11 versions have two heating cartridges that heat the pump head to 240°C (thermostatically controlled). Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 15: Product Description
Product description Diaphragm pump N024 4 Product description Design 1 Inlet 2 Outlet 3 Pump head insulation 4 Terminal box cover 5 Motor Fig.1: Design N024.11 Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 16 Product description Diaphragm pump N024 1 Inlet 2 Outlet 3 Pump head insulation 4 Terminal box cover 5 Motor Fig.2: Design N024.16 Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 17 (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 and Installation Instruction, KNF 349071-349079 04/24...
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Page 18: Transport
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 that has occurred. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 19 Permissible humidity (non- 30 to 85 condensing) [%] Tab.11: Transport parameters and storage parameters Prior to commissioning, make sure that the pump has reached the ambient temperature (3 Technical data [} 12]). NOTICE Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 20: Installation And Connection
Store the pump at the installation location to allow it to adapt to the ambient temperature before installation (con- densation must not be allowed to form). à Mounting dimen- For mounting dimensions, see the following illustrations: sions Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 21 Installation and connection Diaphragm pump N024 Fig.4: Mounting dimensions N024.11 Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 22 (head, motor). à Installation loca- Make sure that the installation location is dry and that the tion pump is protected from rain, spray water, splash water, dripping water and other contaminants. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 23: Electrical Connection
KNF Cus- tomer Service. à Install a device for separating the pump motor from the electrical grid in the electrical installation (e.g. in accor- dance with EN 60335-1). Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 24 Refer to the pump type plate for the rated current draw. The supply voltage may deviate by maximum +10% or – 10% from the values on the type plate. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 25 3. Connect the protective earth conductor to the earthing ter- minal. 4. Connect the power cable to the L 1 and N connections of the terminal blocks (see Fig. 6). Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 26 5. Replace the terminal box cover of the motor and screw it tight. Ensure that the cover seal is properly seated! Electrical connection of .11 versions (pumps with heated heads, thermostatically controlled) Fig.7: Electrical connection of .11 version Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 27: Pneumatic Connection
In this way it is possible to prevent the transfer of possible pump vibrations and noises to the sys- tem. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 28 3. Lay the suction line and pressure line with a descent so that no condensate can run into the pump. Pneumatic noises can be reduced or dissipated by using a silencer. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 29: Operation
Do not look into the pump inlet/ outlet during operation. à Only operate the pumps under the operating parameters and operating conditions as described in Chapter 3 Tech- nical data [} 12]. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 30 à Ensure that the pump outlet is not closed or restricted. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 31 If pump operation is interrupted by the thermal switch due to overheating, the WARNING pumps start automatically after they have cooled. à Ensure that no dangerous situa- tions can arise as a result. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 32 à KNF recommends: When pumping corrosive media, flush the pump before switching off (see Chapter 8.2.1 Flushing the pump [} 35]) to extend the service life of the di- aphragm. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 33: Information On Switching The Pump On And Off
Before recommissioning, observe the applicable stan- dards, guidelines, regulations and technical standards at the electrical connection. à Inspecting the Inspect the pump periodically for external damage or leak- pump age. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 34: Servicing
Servicing may only be performed according to the legal regulations (e.g. work safety, environmental protection) and provisions. à Servicing may only be performed by specialized personnel or trained and instructed personnel. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 35: Servicing Schedule
8.2.1 Flushing the pump When transferring dangerous and environmentally hazardous media, KNF recommends flushing the pump with air at atmo- spheric pressure for a few minutes prior to switch-off (if nec- essary for safety reasons: with an inert gas) to extend the ser- vice life of the diaphragm. - Page 36 à Only use solvents during cleaning if head materials are not corroded (ensure resistance of the material). à If compressed air is available, blow out the components. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 37: Replacing Diaphragm And Valves
Quan- Tool/material tity Size 1 Phillips screwdriver Adjustable face spanner wrench for nuts with two holes or KNF wrench for retainer plate (see Acces- sories) Felt-tip pen Sharp knife Phillips screwdriver (only .11 versions) Open-end or socket wrench, 8 mm Tab.14:... - Page 38 Perform diaphragm and valve replacement in the following or- der: a.) Initial steps b.) Removing the pump head c.) Changing the diaphragm d.) Changing valves and sealing rings e.) Mounting the pump head f.) Final steps Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 39 5 Disk springs 6 Cap nut 7 Retainer plate 8 Conrod plate 9 Connection rod exten- sion 10 O-ring 11 Valve Fig.8: Pump head (symbolic) Fig.9: Location of disk springs Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 40 3. Remove the diaphragm (2). 4. Check the intermediate plate and head plate for cleanli- ness and clean if necessary. Replace these parts in the event of unevenness, scratches or corrosion. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 41 Tighten the strain relief on the underside of the head insu- lation. 3. Check the pump head and pneumatic connections for leaks. 4. Re-connect the pump to the power supply. Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
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Page 42: Spare Parts
Diaphragm Valve (11) O-ring (10) Disk spring Tab.15: Spare parts *see 8.3 Replacing diaphragm and valves [ 37] Spare part set Order number N024 032524 Tab.16: Spare part set Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... -
Page 43: Troubleshooting
à Check and ensure that no voltage is present. à Allow the pump to cool before troubleshooting. à Check the pump (see following tables). Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24... - Page 44 Determine the cause of the overheating and elimi- nate the cause. à Diaphragm and valves Replace diaphragm and valves (see Chapter 8 Ser- are worn or defective. vicing [} 34]). Tab.17: Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 45 Stop the pump immediately. broken à Change the diaphragm (see 8 Servicing [} 34]). à Diaphragm and valves Replace diaphragm and valves (see Chapter 8 Ser- are worn or defective. vicing [} 34]). Tab.18: Translation of Original Operating and Installation Instruction, KNF 349071-349079 04/24...
- Page 46 Change the temperature switch** defective Tab.20: *Only .11 versions **If you have any questions, contact KNF Customer Service. 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).
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Page 47: 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 48 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...
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