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DIAPHRAGM LIQUID PUMP
NF 1.5
NF 1.5 KP DC-M 12V
DC-M / DCB / DCB-4
KP / KT / TT [Ch. 4]
1.5
NF
- / PMLxxxx / PLxxxx [Ch. 1. ]
Operating and
Installation
Instructions
Read and observe these Oper-
ating and Installation Instruc-
tions!
An additional letter prefixing
the NF model code is a coun-
try-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_NF1.5_EN_07_159618.docx
Translated from the 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 ................................................................................. 15
9. Troubleshooting ...................................................................... 17
10. Accessories ............................................................................ 19
11. Return of the pump ................................................................. 20
Page
Keep for future reference!
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Related Manuals for KNF NF 1.5 Series
Summary of Contents for KNF NF 1.5 Series
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Page 1: Table Of Contents
7. Operation ................12 info.flodos@knf.com 8. Servicing ................. 15 9. Troubleshooting ..............17 10. Accessories ................19 11. Return of the pump ..............20 KNF Flodos AG BA_NF1.5_EN_07_159618.docx Keep for future reference! Translated from the Original Operating and Installation Instructions... -
Page 2: About This Document
Other information and symbols ➔ This indicates a required activity (step). This indicates the first step of a required activity. Additional consecutively numbered steps follow. This symbol indicates important information. KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions... -
Page 3: Use
The pumps must not be operated in an explosive atmosphere. DANGER Please contact your local KNF partner for special designs that are not included in the technical specification (www.knf.com). KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions... -
Page 4: Safety
The packaging materials are recyclable. Dispose of end-of-life equipment in an environmentally friendly manner. Use appropriate waste collection systems for the disposal of end-of-life equipment. Used pumps contain valuable recyclable materials. KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions... - Page 5 ▪ EN 61000-6-3 (incl. EN 55022 / EN 55011) Customer service and repairs All repairs to the pump(s) must be carried out by the relevant KNF customer service team. Only use genuine parts from KNF for servicing work. KNF Flodos AG BA_NF1.5_EN_07_159618.docx...
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Page 6: Technical Data
1) Measured with water at 20°C / at atmospheric pressure 2) Flow rates may vary from the values shown, depending on fluid viscosi- ty, pump head material and the hoses / hose connectors used. KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions... - Page 7 + 5 to + 40 ambient temperature range (°C) Permissible media temperature range (°C) + 5 to + 80 ≤ 150 Permissible kinematic viscosity of medium [cSt] Tab. 9 KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions...
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Page 8: Assembly And Function
(2). In the upward stroke the diaphragm pushes the medium out of the pump head via the outlet valve (1). The diaphragm hermetically seals off the working chamber (3) from the pump drive (7). KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions... -
Page 9: Installation And Connection
➔ Mounting dimensions (see Fig. 3 to Fig. ) Mounting dimensions Fig. 3: Mounting dimensions NF 1.5 DC-M Fig. 4: Mounting Dimensions NF 1.5 DCB KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions... - Page 10 Installation position For maximum accuracy and rapid venting of one-headed pumps, please install as shown in the illustration (Fig. ). Fig. 6: Optimum installation position for one-headed pumps: horizontal KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions...
- Page 11 Check that the hoses and transition joints are fitted correctly and securely. Check that the system is leak-tight. KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions...
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Page 12: Operation
Excessive pressure and the inherent dangers thereof can be prevented by placing a bypass line with a pressure relief valve between the pressure and suction side of the pump. Please contact your local KNF partner for further information (www.knf.com). Risk of burns when transferring hot media ➔... - Page 13 CAUTION start-up. This should also be done during operation after a brief power cut. Please contact your local KNF partner for further in- formation (www.knf.com). Switching off the pump ➔ KNF recommends: If transferring aggressive liquids, the pump should be flushed thoroughly prior to switch off (see Chapter 8.2.1), as this will help to lengthen the service life of the dia-...
- Page 14 Fig. 8: Flow rate of pump NF 1.5 DCB and NF 1.5 DCB-4 Fig. 9: Flow rate of pump an NF 1.5 DCB and NF 1.5 DCB-4 depending on control voltage KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions...
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Page 15: Servicing
➔ Flush the pump with a neutral liquid and pump empty. 8.2.1. Flushing the pump ➔ If transferring 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 16 CAUTION ➔ Run pump for several minutes with a harmless liquid at maximum operating pressure. ➔ Check that pump is leak-tight. KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions...
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Page 17: Troubleshooting
➔ Remove pressure and suction lines and reconnect correctly Incorrect interchange of pres- sure and suction line connec- tions Tab. 13 KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions... - Page 18 Fault cannot be rectified If you are unable to identify any of the above causes, please send the pump to KNF customer service (see address on first page). Flush the pump to clear the pump head of any hazardous or aggressive liquids (see Chapter 8.2.1).
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Page 19: Accessories
FS 25 X PEEK 35 µm 250 ml/ min 165213 ID 3.2 / 4 mm Tab. 15 Please contact your local KNF partner for further information (www.knf.com). KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions... -
Page 20: Return Of The Pump
Return of the pump 11. 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 21 Diaphragm liquid pump NF 1.5 For your notes KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions...
- Page 22 Diaphragm liquid pump NF 1.5 For your notes KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions...
- Page 23 Diaphragm liquid pump NF 1.5 For your notes KNF Flodos AG BA_NF1.5_EN_07_159618.docx Translated from the Original Operating and Installation Instructions...
- Page 24 KNF worldwide Please find your local KNF partners at: www.knf.com...
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