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Summary of Contents for KNF N87.9
- Page 1 KNF 121538-121541 11/22 N87.9 TRANSLATION OF ORIGINAL OPERATING AND INSTALLATION INSTRUCTION ENGLISH DIAPHRAGM PUMP Notice! Before operating the pump and accessories, read and observe the operating and installation instructions as well as the safety information!
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Page 2: Table Of Contents
Index KNF Neuberger GmbH Alter Weg 3 1 About this document ............ 3 79112 Freiburg 1.1 Using the operating and installation instructions.. 3 Germany 1.2 Exclusion of liability........... 3 Tel. +49 (0)7664/5909-0 1.3 Symbols and markings.......... 4 Fax. +49 (0)7664/5909-99 2 Safety ................ 6 2.1 Personnel and target group ........ 6 2.2 Responsibility of the operator ........ 6... -
Page 3: About This Document
à In the event of uncertainties with regard to the content of the operating and installation instructions, please contact the manufacturer (contact data: see www.knf.com). Please have the type and serial number of the pump ready. à Read the operating and installation instructions before you commission the pump. -
Page 4: Symbols And Markings
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. Follow other sequentially numbered steps. This symbol indicates important information. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... - Page 5 General warning symbol Warning of electrical voltage Warning of poisonous substances Warning of hand injuries through crushing Observe the operating instructions General mandatory sign Wear hearing protection Tab.2 Explanations of pictograms Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22...
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Page 6: Safety
Operating Only operate and install the pump under the operating parameters and op- parameters erating conditions described in Chapters 2.4 Operating conditions and 3 Technical data. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 7: Working In A Safety Conscious Manner
Make certain that the temperature of the medium is always sufficiently be- low the ignition temperature of the medium so as to prevent ignition or ex- plosion. This also applies for abnormal operating situations. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 8: Use
This function can be made possible on a project basis following consulta- tion with KNF Customer Service. Pumps with capacitor motor are not intended for operation with a fre- quency converter. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 9: Directives And Standards
The end user is responsible for disposing of old devices in accordance with national and international regulations.Alternatively, KNF products (old devices) may also be returned to KNF for a fee (see Chapter 11 Returns). Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 10: Technical Data
50/60 Power P Max. permissible line voltage fluctu- ± 10% ations Drive protection class IP54 Rated current consumption [A] 0,45 Tab.8 Weight Pump type Value [kg] N87TTE Tab.9 Weight Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... - Page 11 * The gas tightness of the pump head is no longer ensured after the pump head is opened or after replacing diaphragms and valve plates. A leak test can be used to determine whether the original gas tightness is achieved again. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22...
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Page 12: Product Description And Function
Product description and function Diaphragm pump N87.9 4 Product description and function Design 1 Pump outlet 2 Pump inlet 3 Pump head 4 Electrical terminal box 5 Motor Fig.1 Design N87 Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... - Page 13 (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 diaphragm. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22...
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Page 14: Transport
30 to 85 ing) [%] Tab.11 Transport parameter and storage parameter Prior to commissioning, make sure that the pump has reached the ambient temperature (3 Techni- cal data). NOTICE Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 15: Installation And Connection
Store the pump at the installation site to allow it to adapt to the ambient temperature before installation (condensation must not be allowed to form). à Mounting dimensions For mounting dimensions, see the following figures: Fig.3 Mounting dimensions N87 Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 16: Electrical Connection
– the cables cannot be worn or damaged on sharp corners or edges – no tensile and pressure forces are exerted on the connection point of the cables (strain relief) Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 17: Pneumatic Connection
3. Lay the suction line and pressure line with a descent so that no con- densate can run into the pump. Pneumatic noises can be reduced or dissipated by using a silencer (see Chapter 10.2 Accessories). Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 18: Operation
The pumps are built-in devices. Before they are commissioned, it must be ensured that the machines or systems into which the pumps are in- stalled comply with the relevant provisions. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... - Page 19 à KNF recommends: When pumping corrosive media, flush the pump before switching off (see Chapter 8.2.1 Flushing the pump) to extend the service life of the diaphragm. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22...
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Page 20: Information On Switching The Pump On And Off
Recommissioning Before recommissioning, observe the applicable standards, guidelines, regulations and technical standards at the electrical connection. à Inspecting the pump Inspect the pump periodically for external damage or leakage. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 21: Servicing
(if necessary for safety reasons: with an inert gas) to extend the service life of the diaphragm. à Discharge the media safely. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 22: Replacing The Structured Diaphragm And Valve Plates/ Seals (Tt Design)
Tab.13 *According to spare parts list, Chapter 10.1 Spare parts Tool and material Quantity Tool/material TORX® screwdriver T10 TORX® screwdriver T20 Phillips screwdriver Thread locker (Loctite 222 or comparable product) Felt-tip pen Tab.14 Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... - Page 23 2. Check the valve seats, intermediate plate (6) and head plate (5) for soiling and damage. Clean the parts if necessary. 3. Contact KNF in the event of unevenness, scratches or corrosion. Order and replace damaged parts. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22...
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Page 24: Changing The Structured Diaphragm And Valve Plates
Spare parts Spare part* Item designation** Number per pump head Structured diaphragm (7) in Fig. 7 Valve plates/seals (12) in Fig. 7 Tab.15 *According to spare parts list, Chapter 10.1 Spare parts Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... - Page 25 8. Screw the structured diaphragm with the diaphagm support and shim ring(s) clockwise onto the connecting rod, and hand-tighten. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22...
- Page 26 3. Check the valve seats, intermediate plate (1) and head plate (4) for soiling and damage. Clean the parts if necessary. 4. Contact KNF in the event of unevenness, scratches or corrosion. Order and replace damaged parts. The valve plates/seals are identical for the pressure and suction side.
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Page 27: Troubleshooting
Install the pump at the highest location in the sys- tem. à Diaphragm or reed valves are worn Change the diaphragm and valve springs (see or defective. Chapter Changing diaphragm and reed valves). Tab.17 Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... - Page 28 2. Clean the pump (see Chapter 8.2.2 Cleaning the pump). 3. Send the pump together with completed Health and Safety Clearance and Decontamination Form to KNF, specifying the pumped medium. Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22...
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Page 29: Spare Parts And Accessories
044973 Tab.20 N87TTE spare parts 10.2 Accessories Description Order number Hose connector for hose 014052 ID 6 (PVDF, G 1/8) Male connection 014049 OD 6 (PVDF, G 1/8) Tab.21 Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22... -
Page 30: Returns
Returns KNF shall undertake to repair the pump only under the condition 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 32 KNF worldwide You can find our local KNF partners at: www.knf.com...
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