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DIAPHRAGM LIQUID PUMP
NF 1.60
NF 1.60 KP DC 24V
DC / DCB-B / DCB-4B
KP / KT [Ch. 4]
1.60
NF / UNF
- / PMLxxxx / PLxxxx [Ch. 1]
Operating and
Installation
Instructions
Read and observe these
operating and installation
instructions!
An additional letter prefixing
the NF model code is a
country-specific designation,
with no technical relevance.
KNF Flodos AG
Wassermatte 2
6210 Sursee, Switzerland
Tel. +41 (0)41 925 00 25
Fax +41 (0)41 925 00 35
www.knf.com
info.flodos@knf.com
KNF Flodos AG BA_NF1.60_EN_05_161566.docx
Translation of Original Operating and Installation Instructions
Supply voltage [Ch. 4]
Contents
1. About this document ................................................................. 2
2. Use ........................................................................................... 3
3. Safety ....................................................................................... 4
4. Technical data .......................................................................... 6
5. Assembly and function ............................................................. 8
6. Installation and connection ....................................................... 9
7. Operation ................................................................................ 12
8. Servicing ................................................................................. 14
9. Troubleshooting ...................................................................... 17
10. Return of the pump ................................................................. 19
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Summary of Contents for KNF NF 1.60
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Page 1: Table Of Contents
DIAPHRAGM LIQUID PUMP NF 1.60 NF 1.60 KP DC 24V Supply voltage [Ch. 4] DC / DCB-B / DCB-4B KP / KT [Ch. 4] 1.60 NF / UNF - / PMLxxxx / PLxxxx [Ch. 1] Operating and Installation Instructions Read and observe these... -
Page 2: About This Document
Diaphragm-liquid pump NF 1.60 About this document About this document 1.1. Use of the operating and installation instructions The operating and installation instructions are part of the pump. Pass on the operating and installation instructions to the next owner. -
Page 3: Use
2.2. Improper use The pumps must not be operated in an explosive atmosphere. For special modifications outside the standard technical specifications please contact a KNF pump specialist. KNF Flodos AG BA_NF1.60_EN_05_161566.docx Translation of Original Operating and Installation Instructions... -
Page 4: Safety
Diaphragm-liquid pump NF 1.60 Safety Safety Note the safety precautions in Chapters 6. Installation and connection, and 7. Operation. The pumps are built according to the generally recognized rules of technology and in accordance with the pertinent occupational safety and accident prevention regulations. Nevertheless, dangers can result during their use which lead to injuries to the user or others, or to damage to the pump or other property. - Page 5 IEC/EN 61000-6-3 NF 1.60 DC EN 55011 Customer service and All repairs to the pump(s) must be carried out by the relevant KNF repairs Customer Service team. Only use KNF original parts for all maintenance work. KNF Flodos AG BA_NF1.60_EN_05_161566.docx...
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Page 6: Technical Data
Flow rates may vary from the values shown, depending on fluid viscosity, pump head material and the hoses / hose connectors used. For special modifications outside the standard technical specifications please contact a KNF pump specialist. Hydraulic connections Parameter Value... - Page 7 Diaphragm-liquid pump NF 1.60 Technical data Specifications NF 1.60 DCB-B / DCB-4B Motor variant DCB-B DCB-B DCB-4B Supply voltage [V] 10..26.4 Power consumption [W] 10.2 10.6 10.9 Max. I load [A] 0.85 0.44 1.1..0.39 Protection class [-] IP50 Weight Tab. 6 Specifications NF 1.60 DC...
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Page 8: Assembly And Function
Assembly and function Assembly and function Assembly Outlet Inlet Head plate Connecting plate Intermediate plate Motor Fig. 1: Diaphragm liquid pump NF 1.60 Exhaust valve Inlet valve Working chamber Diaphragm Eccentric Connecting rod Pump drive Fig. 2: Operating principle Diaphragm liquid pumps are based on reciprocating displacement pump technology. -
Page 9: Installation And Connection
Mounting dimensions Mounting dimensions (see Fig. 3 to 5) Fig. 3: Mounting dimensions NF 1.60 DCB-B Fig. 4: Mounting dimensions NF 1.60 DCB-4B Fig. 5: Mounting dimensions NF 1.60 DC KNF Flodos AG BA_NF1.60_EN_05_161566.docx... - Page 10 For maximum precision and rapid venting, install pump as shown in the illustration (Fig. 6). Decoupling KNF recommends mechanically decoupling the pump from the pipework system, e.g. by using flexible hoses or pipes. This prevents any oscillations of the pump being transferred to the system.
- Page 11 Diaphragm-liquid pump NF 1.60 Installation and connection 6.3. Hydraulic connection Connected Only connect components to the pump that are designed to components handle the hydraulic data of the pump (see Chapter 4, Technical data). Hoses Only use hoses that are suitable for the maximum operating pressure of the pump (see Chapter 4).
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Page 12: Operation
Excessive pressures and the dangers thus caused can be prevented by using a bypass system with a pressure relief valve between the pressure and suction side of the pump. Further information is available from your KNF specialist (Telephone number: see first page). Pump standstill ... - Page 13 Restore the system to normal atmospheric pressure (release hydraulic pressure in pump). Flow rate NF 1.60 Fig. 7: Flow rate of pumps NF 1.60 DCB-B / DCB-4B and NF 1.60 DC KNF Flodos AG BA_NF1.60_EN_05_161566.docx Translation of Original Operating and Installation Instructions...
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Page 14: Servicing
Rinse the pump with a neutral liquid and pump empty. 8.2.1. Flushing the pump If pumping aggressive media, KNF recommends flushing the pump with a neutral fluid under atmospheric conditions for a few minutes before switching off, to extend the service life of valves and diaphragm. - Page 15 Diaphragm-liquid pump NF 1.60 Servicing Dismantling the pump head 1. Undo the 4 head screws (1) using a Torx T10 screwdriver. 2. Undo the union nut (5) and remove hose. Leave clamp ring (6) on hose. 3. Remove seal (3) and resonating diaphragm (4) from the connecting plate (7).
- Page 16 Diaphragm-liquid pump NF 1.60 Servicing Mounting the pump head 13. Insert intermediate plate (10) CAUTION: Make sure that the orientation is correct so that the connections point in the right direction. A pin and hole system prevents incorrect assembly. 14. Place the connecting plate (7) on top of the intermediate plate (10).
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Page 17: Troubleshooting
Diaphragm-liquid pump NF 1.60 Troubleshooting Troubleshooting Pump does not work Cause Fault remedy Pump not connected to mains Connect pump to mains supply power supply Power supply is not switched on Switch on power supply Thermal switch or pump ... - Page 18 Fault cannot be rectified If you are unable to identify any of the above causes, please send the pump to KNF customer services (see address on last page). 1. Flush the pump to clear the pump head of any hazardous or aggressive fluids (see Chapter 8.2.1).
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Page 19: 10. Return Of The Pump
Return of the pump 10. Return of the pump KNF undertakes to repair the pump only under the condition that the customer provides a certificate of the pumped medium and cleaning of the pump. For this purpose, please follow the instructions on www.knf.com/repairs. - Page 20 KNF worldwide Please find your local KNF partners at: www.knf.com...
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